Using proportions, it is found that they must win 19 of their next 30 games.
What is a proportion?A proportion is a fraction of a total amount, and the measures are related using a rule of three.
We want a win-to-loss proportion of 2:1, which is equivalent to a win-to-total proportion of 2:3. We have that:
The team will have won 5 + x games.The team will have played 36 games.Hence:
[tex]\frac{5 + x}{36} = \frac{2}{3}[/tex]
3(5 + x) = 72
15 + 3x = 72
3x = 57
x = 19.
The Rangers must win 19 of their next 30 games.
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Write the equation of the line shown.
Answer:
y = -2x
Step-by-step explanation:
The equation is y = mx +b
m = the slope
b = y-intercept
The slope = rise/run
Let's pick 2 points (0,0) (2,-4); we see the y decrease by 4 and the x increase by 2, so our slope is
m = -4/2 = -2
Y-intercept is when x = 0, y-intercept is located at (0,0)
So our equation is
y = -2x
PLEASE HELLPPPPPPPP!!!!!!
Considering the graph of the curve shown if f(x) = 0 then the value of x is
(-1.4 0) and (1.4, 0)How to find the value of xThe x-intercepts of the function's graph, or the zero of a function, is the location on a graph where the function's graph crosses the x-axis.
This is the solution of the graph. it also called the x intercept or the zero
Examining the graph, the points are in exact spot in both the negative and positive part of the x axis
This spot is between 1 and 2 and not up to half way while moving from 1 to 2.
The point can be estimated to be 1.4 hence the values are
(-1.4 0), (1.4, 0)
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Write the solution of the inequality in set-builder notation:
NEED HELP ASAP
The solution of the inequality in set-builder notation is {p I p ≥ 1}.
The correct option is A.
What is an inequality?In mathematics, "inequality" refers to a relationship between two expressions or values that are not equal to each other. To solve the inequality, you may multiply or divide each side by the same positive number, add the same amount to each side, take the same amount away from each side, and more. You must flip the inequality sign if you multiply or divide either side by a negative number.
Given:
An inequality,
2(3p-11) ≥ -16
Solving the parenthesis,
6p-22 ≥ -16
6p ≥ -16 + 22
6p ≥ 6
p ≥ 1
Therefore, the solution is {p I p ≥ 1}.
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Marcel is performing the first test on his company's new electric car. During the test, the electric car reaches a maximum speed of 81 mph.
The performance test results of the electric car can be modeled by the following graph, where x represents time, in seconds at the start of the test, and y represents the speed, in miles per hour.
At 0 seconds and 12 seconds, the electric vehicle is not moving.
What is speed?The most crucial scientific notion is measurement.
Base or physical fundamental units are used to quantify a wide range of quantifiable quantities.
One such measurable metric is speed, which calculates the ratio between the distance an object travels and the time needed to cover that distance.
The distance traveled in relation to the time it took to travel that distance is how speed is defined.
Since speed simply has a direction and no magnitude, it is a scalar quantity.
When an object travels the same distance in the same amount of time, it is said to be moving at a uniform speed.
Average speed is the constant speed determined by the ratio of the total distance traveled by an object to the total amount of time it took to travel that distance.
According to our question-
At the start of the test, x: represents the time in seconds.
Y: stands for the speed, expressed in miles per hour.
Then, we have this:
x = 0 —-> y = 0
x = 12 —-> y = 0
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A professional basketball player is 76 inches tall. A model of this player is 6
inches tall. Determine the simplified scale factor of the model to the real-life
player. Use colon notation. Then explain what the scale factor means.
The scale factor of the model to the real-life player is 6:76. This can be read as 6/76 or 0.0789 or 0.079(approximately)
The scale factor is a ratio that compares the size of the model to the size of the real-life object. In this case, the scale factor of 6:76 tells us that for every 76 inches of the real-life player, the model is only 6 inches. In other words, the model is 6/76 or approximately 0.0789 times smaller than the real-life player.
In general, a scale factor is a number used to multiply all the dimensions of an object to get a corresponding model or representation of that object, where the ratio of the corresponding dimensions between the real-life object and the model is represented by the scale factor.
It should be noted that the scale factor can also be represented in fraction or decimal form, but the colon notation gives a more meaningful representation of the comparison of the size between the model and the real-life object.
Answer: The scale factor for the basketball player to the model is 16 inches to 1 inch
Step-by-step explanation:
13. Translate to an algebraic expression.
The result of subtracting j from 13
The algebraic expression for "the result of subtracting j from 13" can be written as 13 - j.
How do you construct an algebraic expression for subtraction?The signs of all the terms in the algebraic expression that is to be subtracted from another must be changed from "+" to "-" or from "-" to "+" before the two expressions are added.In algebra, subtraction is an operation that can be used to determine the difference between two numbers. Subtraction is represented by the minus sign (-).When subtracting, the number being subtracted from is called the minuend, and the number being subtracted is called the subtrahend. To subtract j from 13, the minuend is 13, and the subtrahend is j.Therefore, the algebraic expression for "the result of subtracting j from 13" can be written as 13 - j.Subtraction is a fundamental operation in algebra which can be used to solve many types of problems.It can be used to determine the difference between two numbers, as well as to solve equations.For example, if the equation 5x - j = 13 is given, we can use subtraction to solve for x.To do this, we would subtract j from both sides of the equation, resulting in the equation 5x = 13 - j.We can then divide both sides by 5 to get x = (13 - j) / 5. Therefore, the result of subtracting j from 13 is (13 - j).
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Write a doubles fact you can use to find the sum. Write the sum.
2 + 3 =5
Answer:
Step-by-step explanation:
I think doubles facts are when you use a different equation to get the same sum, right?
In that case here are some doubles.
1+4=5
2+3=5
3+2=5
4+1=5
5+0=5
It takes you 0.8 of a minute to read each page of your health book. It takes you 5.5 minutes to take the test at the end. How long will it take you to read 6.25 pages and also take the test?
The number of minutes to read is 6.25 pages and taking the test will be 5 minutes and 0.50 minutes, respectively.
What is the rate?The rate is the ratio of the amount of something to the unit. For example - If the speed of the car is 20 km/h it means the car travels 20 km in one hour.
It takes you 0.8 of a minute to read each page of your health book. It takes you 5.5 minutes to take the test at the end.
The number of minutes to read 6.25 pages will be given as,
⇒ 6.25 x 0.8
⇒ 5 minutes
The number of minutes to take the test will be given as,
⇒ 5.5 - 5
⇒ 0.50 minute
⇒ 0.50 x 60
⇒ 30 seconds
The number of minutes to read is 6.25 pages and taking the test will be 5 minutes and 0.50 minutes, respectively.
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The graph of function f is shown. The graph of an exponential function passes through (minus 10, minus 1), (2, 8) also intercepts the x-axis at minus 2 units and y-axis at 2 units Function g is represented by the table. x -2 -1 0 1 2 g(x) 0 2 8 26 Which statement correctly compares the two functions? A. They have the same x-intercept and the same end behavior as x approaches ∞. B. They have different x- and y-intercepts but the same end behavior as x approaches ∞. C. They have the same y-intercept and the same end behavior as x approaches ∞. D. They have the same x- and y-intercepts.
Since the graph of an exponential function passes through (minus 10, minus 1), (2, 8) also intercepts the x-axis at minus 2 units and y-axis at 2 units, a statement which correctly compares the two functions include the following: A. They have the same x-intercept and the same end behavior as x approaches ∞.
What is y-intercept?In Mathematics, the y-intercept of any graph such as an exponential function, generally occur at the point where the value of "x" is equal to zero (x = 0).
What is the x-intercept?In Mathematics, the x-intercept can be defined as the point at which the graph of an exponential function crosses the x-coordinate and the value of "y" is equal to zero (0).
Based on the information provided about the graph of function f, the x-intercept and y-intercept include the following:
x-intercept = (-2, 0).
y-intercept = (0, 2).
Furthermore, the x-intercept and y-intercept of function g include the following:
x-intercept = (-2, 0).
y-intercept = (0, 8).
Therefore, we can logically conclude that both functions have the same x-intercept of -2.
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2 1/4 divided by 1 1/2
Answer: 3/2
Step-by-step explanation:
Answer:
3/2 or 1 1/2
Step-by-step explanation:
[tex]2\frac{1}{4}/1\frac{1}{2} \\\frac{9}{4}/\frac{3}{2} \\(\frac{9}{4})(\frac{2}{3})\\\frac{18}{12} \\\frac{3}{2} or 1\frac{1}{2}[/tex]
Question 8(Multiple Choice Worth 2 points) (Laws of Exponents with Whole Number Exponents LC) Which is an equivalent expression for (52 • 34)3?
Answer:
An equivalent expression for (52 • 34)3 would be (52 • 34) • (52 • 34) • (52 • 34)
Another way to express this is (52)3 • (34)3
So it can also be written as (5^32^3) * (3^44^3)
It can be also expressed as 125 * (81*64)
This expression is the result of multiplying three times the product of 5^2 and 3^4
For every 3 green marbles James has, he has 2 yellow marbles. What is the ratio of green to yellow marbles? If James has 12 green marbles and 8 yellow marbles, draw a visual model to represent the total marbles.
The ratio of green to yellow marbles is 3/2.
What is ratio?
A ratio in mathematics demonstrates how many times one number is present in another. For instance, if a bowl of fruit contains eight oranges and six lemons, the ratio of oranges to lemons is eight to six. The ratio of oranges to the total amount of fruit is 8:14, and the ratio of lemons to oranges is 6:8.
Given:
For every 3 green marbles James has, he has 2 yellow marbles.
We have to find the ratio of green to yellow marbles.
As for every 3 green marbles James has, he has 2 yellow marbles.
So, the the ratio of green to yellow marbles is 3/2.
Hence, the ratio of green to yellow marbles is 3/2.
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Question 5
SE
Which of these scales is equivalent to the scale 1 cm to 5 km? Select all that apply. (Lesson 1-11)
A) 3 cm to 15 km
B) 1 mm to 150 km
C) 5 cm to 1 km
D) 5 mm to 2.5 km
E) 1 mm to 500 m
©2023 McGraw Hill. All Rights Reserved. Privacy Center Terms of Use Minimum Requirements Platform
Answer:3 cm to 15 km
Step-by-step explanation:
Question content area top Part 1 Tell which set or sets the number below belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, or real numbers. 427
The 427 is in the sets of the whole number, real number, rational number, natural number, and integers.
What is set?
A set is a collection of clearly - defined +ique items. The term "well-defined" applies to a property that makes it simple to establish whether an entity actually belongs to a set. The term 'unique' denotes that all the objects in a set must be different.
As we know, a number is a mathematical entity that can be used to count, measure, or name things. For example, 1, 2, 56, etc. are the numbers.
It is given that:
The number is 427
The number 427 is in the set of whole numbers
The number 427 is in the set of real numbers
The number 427 is in the set of rational numbers because it can be written as in the form of p/q.
The number 427 is in the set of natural numbers
The number 427 is in the set of integer numbers
Hence, the 427 is in the sets of the whole number, real number, rational number, natural number, and integers.
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Herman invests
$
6
,
400
at
5.5
% interest for
7
years compounded quarterly. Find the amount of money in the account after
7
years.
Answer:
2000 dollar and 6% impound will be your answer
Step-by-step explanation:
Ellen can jog 3,000 feet in 5 minutes. If she jogs at the same rate, how many feet can she jog in 15 minutes?
Answer:
9,000
Step-by-step explanation:
5(3)=15
3000(3)=9000
5 cards are picked from a deck of cards: the cards are cards with numbers . Each card has a different number. Every suit is represented. The sum of the numbers on the even-numbered cards is equal to the sum of the numbers on the odd numbered cards . The sum of the numbers on the black card is 22. The sum of the numbers on the red cards is 10. The sum of the spades is 16. The lowest numbered card is a heart. What are the cards ?
Probability is the possibility that something will occur. The probability is computed by dividing the total number of outcomes by the number of possible ways the event could occur.
How do I calculate probability?
Adding the aforementioned figures in the third column yields a total of 2,598,960, which is the total number of potential hands.
The likelihood that something will happen is known as probability. The number of possible outcomes is divided by the total number of possible outcomes to determine probability.
The 36 numbered cards go from 2 through 10, and there are 12 face cards (Kings, queens, and jacks). There will be 51 total cards left when the first face card is pulled, leaving 11 face cards.
Each of the four suits—Spades, Hearts, Diamonds, and Clubs—has 52 cards in a "normal" deck of playing cards. The 13 cards in each suit are Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, and King.
Here's one possible solution:
Let's start by assigning the numbers to the 5 cards:
Heart: 1
Spade: 2
Club: 7
Diamond: 8
Spade: 9
The sum of the numbers on the even-numbered cards (2, 8) is 10, which is equal to the sum of the numbers on the odd numbered cards (1, 7, 9). The sum of the black cards (7, 9) is 16, which is equal to the sum of the spades (2, 9). The sum of the red cards (1, 8) is 9, which is equal to 10.
So, the 5 cards are:
1 of Heart
2 of Spade
7 of Club
8 of Diamond
9 of Spade
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400 divide by 15=_ divide by 1/2
Answer:
53.333
Step-by-step explanation:
400/15 x 2 = 53.333
(1,-9) and (-3,-9) in slope intrcept form
what is the unit form of 5 divided by 4?
Answer:
Should be Ones: 1, Tenths: 2, Hundredths: 5
Step-by-step explanation:
Situation #1
The ratio of the interior angles of a hexagon is 5:5:6:7:8:9.
1a. What is the measurement of the 10 points
second-largest interior angle in this
hexagon?
Your answer:
1b. What is the measurement of the 10 points
interior angle that appears twice in
this hexagon?
Your answer:
Answer:
a) 144°
b) 90°
Step-by-step explanation:
You want the measures of the 2nd largest, and the smallest, of the angles in a hexagon whose ratios are 5:5:6:7:8:9.
HexagonThe interior angles of a hexagon will have a sum of ...
180°×(n -2) = 180°×(6 -2) = 720°
RatioThe sum of the numbers in the given ratio is ...
5+5+6+7+8+9 = 40
This tells us that multiplying the ratio values by 720/40 = 18 will give the angle values:
90:90:108:126:144:162
Second largestThe second largest angle is 144°.
RepeatedThe smallest angle, 90°, is the one that is repeated.
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The number of people that drink Root Beer instead of Coca-Cola in Outback, Kentuck has been declining at the rate of 6.5% per year. As of Sept. 1983, the number of people who still drink Root Beer was 5480. (NOT MULTIPLE CHOICE)
a. Write an exponential equation that will represent the number of Root Beer loyalists in Outback for any year.
b. How many Root Beer loyalists should there be as of September 2023? Show or explain how you know.
=========================================================
Explanation:
Part A
x = number of years after 1983
Example: x = 2 is the year 1985 since 1985-1983 = 2.
The number of people who drink this beverage declines by 6.5% each year. The multiplier is 1+r = 1+(-0.065) = 0.935
Meaning that if 6.5% of the people leave, then 93.5% remain. The two percentages add to 100%.
This value 0.935 is the base of the exponent portion. We have 0.935^x as the exponent portion.
Out front is the value 5480 which is the starting amount of people.
This leads to the exponential equation y = 5480*0.935^x
It is of the form y = ab^x
a = 5480 = starting population
b = 0.935 = decay factor
---------------------------------------
Part B
The timespan from 1983 to 2023 is 40 years (because 2023-1983 = 40).
Which means we plug x = 40 into the equation we found in part A.
y = 5480*0.935^x
y = 5480*0.935^40
y = 5480*0.06799303620922
y = 372.601838426526
y = 373
Be sure to round to the nearest whole number.
We expect or predict there will be approximately 373 people who remain loyalists to this root beer as of September 2023.
Answer:
Part (a)
[tex]y=5480(0.935)^x[/tex]
where:
x is the number of years after 1983.y is the total number of Root Beer loyalists.Part (b)
373
Step-by-step explanation:
[tex]\boxed{\begin{minipage}{9 cm}\underline{General form of an Exponential Function}\\\\$y=ab^x$\\\\where:\\\phantom{ww}$\bullet$ $a$ is the initial value ($y$-intercept). \\ \phantom{ww}$\bullet$ $b$ is the base (growth/decay factor) in decimal form.\\\end{minipage}}[/tex]
The initial number of people who drink Root Beer (in September 1983):
a = 5480If the number of people that drink Root Beer instead of Coca-Cola has been declining at the rate of 6.5% per year, then:
b = 100% - 6.5% = 93.5% = 0.935Therefore, an exponential equation that represents the number of Root Beer loyalists in Outback for any year is:
[tex]y=5480(0.935)^x[/tex]
where:
x is the number of years after 1983.y is the total number of Root Beer loyalists.The number of years between September 1983 and September 2023 is:
2023 - 1984 = 40 yearsTo calculate how many Root Beer loyalists should there be as of September 2023, substitute x = 40 into the equation found in part (a):
[tex]\implies y=5480(0.935)^{40}[/tex]
[tex]\implies y=5480(0.0679930362...)[/tex]
[tex]\implies y=372.601838...[/tex]
[tex]\implies y=373[/tex]
Therefore, there should be approximately 373 Root Beer loyalists as of September 2023.
The table lists recommended amounts of food to order for 23 party guests. Nathan and Amanda are hosting a graduation party for 40 guests. They know there will also be guests stopping by who may have come from other parties. For ordering purposes, they will count each of these "drop-in" guests as half a guest. How much of each food item should Nathan and Amanda order for a graduation party with 35 drop-in guests?
The number of people at the graduation party would be 57.5, so the quantity of food required for them is Food item A = 65 piece, Food item B = 14(1/6) pounds and Food item C = 4(3/8) pounds.
What is fraction?
In mathematics, a fraction is represented by a number that identifies a portion of a whole. A fraction is a component or section taken from a whole, which can be any number, a certain amount, or an object.
Number of guests in the graduation party, a = 40
Number of drop in guests at the graduation party, b = 35
Now, drop-in guests are counted as half a guest, so the number becomes b = 35/2.
Total number of guests = a + b
Total number of guests = 40 + 35/2
Total number of guests = (80+35)/2
Total number of guests = 115/2
Total number of guests = 57(1/2)...
The table shows amount of food -
Food item A 26 piece, Food item B 5(2/3) pounds and Food item C 1(3/4) pounds.
Also, it recommends amount of food to order for 23 party guests.
So, number of groups having 23 people -
= 2(23) + 11.5 group
= 2(23) + 1(1/2) group...
Therefore, there should be 2(1/2) times quantity of food mentioned in the table.
For Food item A - 26 × 2(1/2)
= 26 × 5/2
= 65 piece
For Food item B - 5(2/3) × 2(1/2)
= 17/3 × 5/2
= 85/6
= 14(1/6) pounds...
For Food item C - 1(3/4) × 2(1/2)
= 7/4 × 5/2
= 35/8
= 4(3/8) pounds...
Therefore, the quantity of food for party should be Food item A = 65 piece, Food item B = 14(1/6) pounds and Food item C = 4(3/8) pounds.
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Need answer quick 100 points! and brainliest
Graph using this picture
y+4=2/5(x−3)
Answer:
See attached graph.
Step-by-step explanation:
Given equation:
[tex]y+4=\dfrac{2}{5}(x-3)[/tex]
Expand the right side of the equation:
[tex]\implies y+4=\dfrac{2}{5}x-\dfrac{6}{5}[/tex]
Subtract 4 from both sides of the equation:
[tex]\implies y=\dfrac{2}{5}x-\dfrac{26}{5}[/tex]
Substitute x = 3 into the equation:
[tex]\implies y=\dfrac{2}{5}(3)-\dfrac{26}{5}[/tex]
[tex]\implies y=\dfrac{6}{5}-\dfrac{26}{5}[/tex]
[tex]\implies y=-\dfrac{20}{5}[/tex]
[tex]\implies y=-4[/tex]
Substitute x = -2 into the equation:
[tex]\implies y=\dfrac{2}{5}(-2)-\dfrac{26}{5}[/tex]
[tex]\implies y=-\dfrac{4}{5}-\dfrac{26}{5}[/tex]
[tex]\implies y=-\dfrac{30}{5}[/tex]
[tex]\implies y=-6[/tex]
To graph the given equation, plot the two found points on the given coordinate plane:
(3, -4)(-2, -6)Draw a straight line through the points.
(See attachment).
log9 (8-2x) = log9(-3x+2)
Answer: X=-6
Step-by-step explanation: Since both logarithms have a base of 9, we can simply get rid of them. We could also do 9^(log9(8-2x))=9^(log9(-3x+2)). This would eliminate the logarithms.
Now we are just left with a simple algebraic equation: 8-2x=-3x+2.
We add 3x on both sides to get 8+x=2. We subtract 8 on both sides to get x=-6. There is no need to create a domain for the values of x since this is not an inequality problem.
use any method to find the greatest common factor of each pair of numbers, 12,30
Answer: 6
Step-by-step explanation:
12 ÷ 6 = 2
30 ÷ 6 = 5
Help me solve the problem of this
In the given word problem amount does Teresa spends is $16.50.
What is word problem?A math word problem is a question that is written as one or more sentences and asks students to use their mathematical understanding to solve an issue from "real world." In order to understand the word problem, they must be familiar with the terminology that goes along with the mathematical symbols that they are used to.
Here,
The amount does Jayson Spends = $3.75
According to the question,
Myra spends 3times as much as Jayson . then
Amount does Myra spends = 3× 3.75 = $11.25.
Now Teresa spends $5.25 more than Myra then,
Amount does Teresa spends = 11.25+5.25 = $ 16.50.
Hence In the given word problem amount does Teresa spends is $16.50.
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find the centroid of the region in the first quadrant bounded by the given curves. y = x9, x = y9
The centroid of the region in the first quadrant bounded by the curves [tex]\(y = x^9\)[/tex] and [tex]\(x = y^9\)[/tex] is [tex]\(\left(\dfrac{10}{11}, \dfrac{10}{11}\right)\)[/tex].
The centroid is given by the following formulas:
[tex]\[\bar{x} = \dfrac{\int_{a}^{b} x \cdot f(x) \, dx}{\int_{a}^{b} f(x) \, dx}\][/tex]
[tex]\[\bar{y} = \dfrac{\int_{c}^{d} y \cdot g(y) \, dy}{\int_{c}^{d} g(y) \, dy}\][/tex]
Where f(x) and g(y) are the functions that define the curves bounding the region.
Since we want to find the centroid of the region in the first quadrant, the intersection points of the two curves in the first quadrant.
The curves intersect at (1, 1).
Now, let's find the centroid of the region in the first quadrant.
First, find the limits of integration:
1. For x:
The curve [tex]\(y = x^9\)[/tex] is the upper curve, and it intersects the x-axis at x = 0 and the y-axis at x=1.
So, the limits of integration for x are [tex]\(0 \leq x \leq 1\)[/tex].
2. For y: The curve [tex]\(x = y^9\)[/tex] is the right curve, and it intersects the y-axis at y=0 and the x-axis at y=1.
So, the limits of integration for y are [tex]\(0 \leq y \leq 1\)[/tex].
Now, set up the integrals:
[tex]\[\bar{x} = \frac{\int_{0}^{1} x \cdot x^9 \, dx}{\int_{0}^{1} x^9 \, dx}\][/tex]
[tex]\[\bar{y} = \dfrac{\int_{0}^{1} y \cdot y^9 \, dy}{\int_{0}^{1} y^9 \, dy}\][/tex]
1. [tex]\(\int_{0}^{1} x \cdot x^9 \, dx\):[/tex]
[tex]\[\int_{0}^{1} x \cdot x^9 \, dx = \int_{0}^{1} x^{10} \, dx[/tex]
[tex]= \left[\dfrac{x^{11}}{11}\right]_{0}^{1} = \dfrac{1}{11}\][/tex]
2. [tex]\(\int_{0}^{1} x^9 \, dx\):[/tex]
[tex]\[\int_{0}^{1} x^9 \, dx = \left[\dfrac{x^{10}}{10}\right]_{0}^{1}[/tex]
[tex]= \dfrac{1}{10}\][/tex]
3.[tex]\(\int_{0}^{1} y \cdot y^9 \, dy\):[/tex]
[tex]\[\int_{0}^{1} y \cdot y^9 \, dy = \int_{0}^{1} y^{10} \,[/tex] dy
[tex]= \left[\dfrac{y^{11}}{11}\right]_{0}^{1} = \dfrac{1}{11}\][/tex]
4. [tex]\(\int_{0}^{1} y^9 \, dy\):[/tex]
[tex]\[\int_{0}^{1} y^9 \, dy = \left[\frac{y^{10}}{10}\right]_{0}^{1}[/tex]
[tex]= \dfrac{1}{10}\][/tex]
Now, the centroid coordinates:
[tex]\[\bar{x} = \dfrac{\frac{1}{11}}{\dfrac{1}{10}} = \dfrac{10}{11}\][/tex]
[tex]\[\bar{y} = \dfrac{\frac{1}{11}}{\dfrac{1}{10}} = \dfrac{10}{11}\][/tex]
So, the centroid of the region is [tex]\(\left(\dfrac{10}{11}, \dfrac{10}{11}\right)\)[/tex].
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Mariela bought 15 pounds of birdseed for $10.00. Mark bought 12 pounds of birdseed for $8.00. Daryl bought 18 pounds of birdseed for $12.00. The graph below shows these purchases.
The cost for one pound of birdseed should be $0.67. The solution has been obtained using the unitary method.
What is a unitary method?
In the unitary method, the value of a single unit is first calculated, and only then is the value of the necessary number of units calculated. The unitary technique, to put it simply, is used to calculate the value of a single unit from a given multiple.
We know that cost per pound = Total pounds/cost
So, for Mariela
15 pounds = $10.00
1 pound = $0.67
For Mark,
12 pounds = $8.00
1 pound = $0.67
For Daryl,
18 pounds = $12.00
1 pound = $0.67
Hence, the cost for one pound of birdseed should be $0.67.
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Since, the question is incomplete, the complete question has been attached below
Sam is renting one of two cars to go on a 300 mile trip. The first car can travel 75 miles on 5 gallons of gas. The second car can travel 240 miles on a 20 gallons of gas. Each car costs the same to rent. And Sam wants to rent the car with better gas mileage. Sam estimate that he will pay 49.42 for every 14 gallons of gas he has to buy. Which car should Sam rent, and how much money should Sam bring for gas?
The better car is car A and Sam would pay $70.
Which car is better?We can see that we can only be able to judge the better car by the way that the gas is able to consume fuel. We can now see that the cars are two and we have the gas consumption of each as;
For car A = 75 miles / 5 gallons = 15 miles/gallon
For car B = 240 miles/ 20 gallons = 12 miles/gallon
As such car A is the better car.
Miles to be covered = 300 miles
If 1 gallon takes 15 miles
x galloons takes 300 miles
x = 20 gallons
If 14 gallons cost $49.42
1 gallon costs 49.42/14
=$3.5
Sam would pay; $3.5 * 20
= $70
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