The Weight of mini horse is 465 lbs.
What is Ratio?A ratio is a comparison between two amounts that is calculated by dividing one amount by the other. The quotient a/b is referred to as the ratio between a and b if a and b are two values of the same kind and with the same units, such that b is not equal to 0. Ratios are represented by the colon symbol (:). As a result, the ratio a/b has no units and is represented by the notation a: b.
Given:
A calf and a mini-horse weigh 705 lbs combined.
The ratio of their weights is 16:31 respectively.
let the Common ratio be x.
So, weight of calf = 16x and Weight of mini horse = 31x
Thus, 16x + 31x = 705
47x = 705
x= 705/ 47
x= 15
Then, the Weight of mini horse = 31x = 31(15)= 465 lbs.
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The table shows some information about the dress sizes of 100 women.
Dress size Number of women
a) Find the median dress size.
16
38
27
19
(1)
10
12
14
16
10 of the 100 women have a shoe size of 6
Sue says that if you choose at random one of the 100 women, the probability
that she has either a shoe size of 6 or a dress size of 16 is 0.29 because
0.1 +0.19 = 0.29
b) Is Sue correct?
State the answer, Yes or No and give a reason for your answer.
(
The solution is the median dress size = 12.
What is median?In statistics and probability theory, the median is the value separating the higher half from the lower half of a data sample, a population, or a probability distribution. For a data set, it may be thought of as "the middle" value.
here, we have,
given that,
from the given data we get,
dress sizes are, 10, 12 , 14, 16
no. of dresses, 16, 38, 27, 19
Hence, using the formula we get, the median dress size = 12.
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What do you call a nine sided polygon?
Answer:
a nonagon
Step-by-step explanation:
Solve the following inequality.
-8 < 3x+1 <7
Answer:
move all terms not containing x from the center section of the inequality -3<x<2
interval notation
(-3,2)
Step-by-step explanation:
What time is 2330 in military time?
The first two digits represent hours, and the last two digits represent minutes. 00:00 is midnight and 12:00 is noon. 0001 to 1159 defaults to "A.M." hour.
11:30 PM in regular time on a 12-hour clock.
1. 23:30 represents afternoon time, so we add 12 hours to the given time.
2. 11 + 12 hours = 23 hours
3. minutes is always the same no matter which time format is used.
4. Remove PM and colon.
5. conversion 11:30 23:30 war time
Step 1
First divide the given time into hours and minutes. For wartime 2330, this is 23 hours and 30 minutes.
Step 2
Then check if the set time is greater than 1300. Since 2330 is greater than 1300, we use the hour subtraction rule (23 - 12 = 11 hours).
Step 3
Military time minutes are the same as standard time, so 30 minutes is still 30 minutes.
Step 4
Add a colon between the calculated hours and minutes, and the result is 11:30.
Step 5
2330 is greater than 1200, so according to the mentioned rules, adding the PM after the expected time gives 23:30 regular time.
The correct answer is 23:30 standard time.
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Allergy Sufferer #1 must take one capsule every 6 hours. Allergy Sufferer #2 must take one capsule every 12 hours. Together, how many hours will it take them to consume 45 capsules?
180 hours will it take them to consume 45 capsules.
What is least common multiple ?
The least common multiple (LCM) of two or more numbers is the smallest number that is a multiple of all the given numbers. In other words, it is the smallest number that is divisible by all the given numbers without leaving a remainder.
To find the LCM of two or more numbers, you can list their multiples and look for the smallest number that appears in all the lists. However, this can become time-consuming for large numbers. There are various methods and algorithms to find the LCM efficiently, such as using prime factorization or the Euclidean algorithm.
According to the question:
Allergy Sufferer #1 takes 1 capsule every 6 hours, so in 45 capsules, they will need to take 45 * 6 = 270 hours.
Allergy Sufferer #2 takes 1 capsule every 12 hours, so in 45 capsules, they will need to take 45 * 12 = 540 hours.
To find the total time it will take them together to consume 45 capsules, we need to find the least common multiple (LCM) of 6 and 12.
The prime factors of 6 are 2 and 3.
The prime factors of 12 are 2, 2, and 3.
To find the LCM, we take the highest power of each prime factor that appears in either factorization. In this case, that's 2^2 * 3 = 12.
So, the LCM of 6 and 12 is 12.
This means that every 12 hours, Allergy Sufferer #1 will have taken 2 capsules (since 12/6=2), and Allergy Sufferer #2 will have taken 1 capsule.
Therefore, in 12 hours, they will have taken a total of 2+1=3 capsules.
So, to consume 45 capsules, it will take them 45/3 = 15 lots of 12 hours, which is 180 hours in total.
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55/135 in simplest form
Answer:
11/27
Step-by-step explanation:
55/135 (divide by 5)
11/27
Factor f(x) into linear factors given that k is a zero of f(x).
11) f(x) = 2x3 - 3x2 - 5x + 6; k = 1
A) f(x) = (x − 1)(x + 1)(2x − 6)
B) f(x) = (x - 1)(x + 2)(2x - 3)
C) f(x) = (x + 1)(x + 2)(2x - 3)
D) f(x) = (x − 1)(x − 2)(2x + 3)
Answer:
Step-by-step explanation:
If k=1 is a zero of f(x), then (x-1) is a factor of f(x) by the factor theorem. We can use polynomial long division or synthetic division to find the quotient when f(x) is divided by (x-1):
2 -3 -5 6
1| 2 -1 -6
2 -3 0
The quotient is 2x^2 - 3x, so we can write f(x) as:
f(x) = (x-1)(2x^2 - 3x) = (x-1)x(2x-3)
Therefore, the correct answer is B) f(x) = (x-1)(x+2)(2x-3).
Find the area of a circle with diameter 27.2m, both in terms of r and to the nearest tenth. Use 3.14 for r
We have to find the area of a circle which has a diameter of 27.2 m
We know that the area of the circle is:
A = πr², where A = area of the circle and r = radius
Given Diameter = 27.2 m
We know that Radius = Diameter/2,
So, Radius = [tex]\frac{27.2}{2}[/tex]
Radius = 13.6 m
Now, area of circle = 3.14 * 13.6 * 13.6
Area = 580.77
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What is the equation of the new line when the parent equation:y = x , is transformed by reflecting over the y - axis and is translated down 8 units?
A. y = -x - 8
B. y = -x + 8
C. y = -8x
D. y = x - 8
The solution is Option A.
The transformed equation is y = -x - 8
How does the transformation of a function happen?The transformation of a function may involve any change.
Usually, these can be shifted horizontally (by transforming inputs) or vertically (by transforming output), stretched (multiplying outputs or inputs), etc.
If the original function is y = f(x), assuming the horizontal axis is the input axis and the vertical is for outputs, then:
Horizontal shift (also called phase shift):
Left shift by c units: y=f(x+c) (same output, but c units earlier)
Right shift by c units: y=f(x-c)(same output, but c units late)
Vertical shift:
Up by d units: y = f(x) + d
Down by d units: y = f(x) - d
Stretching:
Vertical stretch by a factor k: y = k × f(x)
Horizontal stretch by a factor k: y = f(x/k)
Given data ,
Let the parent function be represented as A
Now , the value of A is
f ( x ) = x or y = x
Now , when the function is reflected over the y-axis , the x coordinate of the function is changed to its additive inverse
So , reflected function is g ( x ) = -x
Now , when the function is translated down 8 units ,
It is a vertical shift of down by d units: y = f(x) - d
The new transformed function is h ( x ) = -x - 8
Hence , the transformed function is y = -x - 8
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Find two consecutive whole numbers that \sqrt(139) lies between.
Answer:
11 and 12
Step-by-step explanation:
11^2<139
but
12^2>139
therefore
it lies between 11 and 12
I need help with this please and thank you.
The standard form of the Polynomial would be [tex]x^{4}[/tex] -x³ /2 -8
What is polynomial?The term "polynomial" refers to a mathematical statement of one or more algebraic terms in which the variables are all of non-negative integer powers. Variables, fixed values, and exponents are all present in the terms. The degree 'n' standard form polynomial is Standard form is one method of expressing a polynomial.
We must consider each term's degree in order to write any polynomial in standard form.
Given the polynomial -8 -x³ /2 -xx³ with the highest degree comes first, followed by x raise to power 4, and then the constant, -8, comes last.
Thus, we would have:
[tex]x^{4}[/tex] -x³ /2 -8
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A standard volleyball court is in the shape of a rectangle. It has an area of 2100 square feet. If the length of the court is 22.4 feet, then what will be the height?
Answer: The height of the court is 93.75 feet.
Step-by-step explanation:
We know that the area of a rectangle is given by :-
Area = length x width/height (1)
Given : A standard-size volleyball court has an area of 2,100 square feet.
The length of the court is 22.4 feet.
To find : The width of the court.
According to (1) , we have
[tex]2100=22.4*height[/tex]
Then,
[tex]Height=\frac{2100}{22.4} =93.75[/tex]
Hence, the height of the court is 93.75 feet.
find the unit rate!
it would end up by costing $0.55 cents a cup
Which statements are true about the median? Check all that apply.
1. Put the values in numerical order before trying to find the median.
2. Median is a number that is much lower or much higher than the rest of the numbers.
3. The median is always greatly impacted by outliers.
4. The median is the number in the middle of an ordered set of values.
5. The median must be calculated by finding the mean of the two middle points when
there is an even number of data points.
Please help me I’ll give you the best rating nO lie Trust
The distance the cyclist travelled during the time are as follows;
4 meters, 18 m and 45 etc.
What is speed?Speed can be calculated as the ratio of distance traveled to the time taken
Distance = speed x time
Distance = 5 x 0.8
= 4 meters
Distance = 10 x 1.8
= 18 meters
Distance = 15 x 3
= 45 meters.
Here Segment shows as time is increasing, distance is also increasing. Which means the cyclist is moving forward at a speed.
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Write a statement that increases numpeople by 5. Ex: if numpeople is initially 10, the output is: there are 15 people.
A statement that increases numpeople by 5 is
numpeople = numpeople + 5
Here's a statement that increases the value of numpeople by 5:
numpeople = numpeople + 5
After executing this statement, the value of numpeople will be increased by 5. For example, if numpeople was initially 10, the value of numpeople would be 15 after executing this statement.
Here's a complete program that demonstrates the statement:
numpeople = 10
print("There are", numpeople, "people.")
numpeople = numpeople + 5
print("There are", numpeople, "people.")
This program would output the following:
There are 10 people.
There are 15 people.
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What is Residual sum of square?
Residual sum of squares (RSS) is a measure of the total amount of variance in a given data set that is not explained by a model.
It is equal to the sum of squared differences between the observed data values and the predicted values from the model. This measure is commonly used in regression analysis to evaluate the performance of a model. The formula for RSS is RSS = Σ(y_i - ȳ)², where y_i is the observed value and ȳ is the predicted value.For example, let's say we have a data set of 10 observations (y_1, y_2, ...,y_10). We fit a linear regression model to the data set which predicts a value ȳ_i for each observation. The RSS for this model is calculated by summing the squared differences between the observed values (y_i) and the predicted values (ȳ_i) for each of the 10 observations. This yields the RSS, which is a measure of how much of the variance of the data set is not explained by the model.
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Learn what an identity matrix is and about its role in matrix multiplication. ... How do you find the multiplicative inverse of a given matrix?
Answer:
See below
Step-by-step explanation:
[tex]I_1=[1],\, I_2=\left[\begin{array}{ccc}1&0\\0&1\\\end{array}\right],\,I_3=\left[\begin{array}{ccc}1&0&0\\0&1&0\\0&0&1\end{array}\right],\,...[/tex] and so on are examples of identity matrices.
The multiplicative inverse of a 2x2 matrix is [tex]\displaystyle A^{-1}=\frac{1}{ad-bc}\left[\begin{array}{ccc}d&-b\\-c&a\\\end{array}\right][/tex] where ad-bc represents the determinant. Multiplying this with the original matrix will produce the identity matrix as described previously. Usually, you'll mostly deal with 2x2 matrices when it comes to this topic, but don't worry too much.
From 1995 to 2005, the tuition at a college increases by about 7% per year. If this trend continues......
a. Write an exponential growth function that models the tuition over time.
b. What will the tuition be in 2020?
c. What was the tuition be in 1995?
d. What was the tuition in 2011?
a) An exponential growth function that models the tuition which increased from 1995 to 2005 by 7% annually, is y = 8,000 (1.07)^t.
b) If the trend of annual increase in tuition continues, the tuition in 2020 will be $43,419.20.
c) The tuition in 1995 was $8,000.
d) If the trend of annual increase in tuition continues, the tuition in 2011 will be $23,617.28.
What is an exponential growth function?An exponential growth function is one of the two types of exponential functions.
The exponential growth function is marked by an increasing constant rate and modeled as f(x ) = a (1 + r)^x , where r is the growth rate.
The other exponential function is known as an exponential decay function because it shows a constant rate of decrease.
The tuition in 1995, y = $8,000
Annual increase = 7% = 0.07
Time from 1995 = t
Time from 1995 to 2020 = 25 years
Time from 1995 to 2011 = 16 years
Exponential function:y = 8,000 x (1 + 7%)^t
y = 8,000(1.07)^t
When t = 25 years, y = 8,000 x (1.07)^25 = 8,000 x 5.4274 = $43,419.20
When t = 16 years, y = 8,000 x (1.07)^16 = 8,000 x 2.95216 = $23,617.28
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Question Completion:Tuition in 1995 = $8,000
A customer purchases a pair of jeans and a few shirts. Each shirt costs the same amount. The expression 60 + 20x represents the cost before tax.
What do the different parts of the expression model?
Drag the parts of the expression into the boxes to match each description.
cost of jeans | Total cost of the shirts
60, 20x, 20, x
Answer:
Cost of Jeans: $60
Total cost of shirts: 20x
Number of shirts purchased: x
Total cost of all combined: 20x + 60
Step-by-step explanation:
The expression given is 60 + 20x.
Note that it is stated that the customer purchases only ONE pair of Jeans, which implies that the constant 60 is the price of the said jeans.
"A few [shirts]" implies an unknown amount of the product (shirts). The unknown amount can be denoted as a variable, which in case the question implies as x. Based on the given expression, it is implied that the cost per shirt is $20, as you will multiply the amount of shirt with the base amount for shirts.
In this case:
Cost of Jeans: $60
Total cost of shirts: 20x
Total cost of all combined: 20x + 60
Number of shirts purchased: x
~
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What is the value of x in the triangle?
45° + 45 + 90
12 squared 2 + 12 squared 2 + x
The value of x is 24.
What is Pythagoras Theorem?Pythagoras theorem states that for a right angled triangle, the square of the hypotenuse is the sum of the squares of base and altitude.
Given is a right angled triangle since one of the angle is 90 degrees.
Length of leg 1 = 12√2
Length of leg 2 = 12√2
Length of hypotenuse = x
By Pythagoras theorem,
Hypotenuse² = (leg 1)² + (leg 2)²
x² = (12√2)² + (12√2)²
x² = 2 × (12√2)²
= 576
x = √576
x = 24
Hence the value of x is 24.
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Your question seems incomplete. Probably, the complete question is as follows.
What is the value of x in the triangle?
a 45-45-90 triangle with a leg of length 12 times the square root of 2 and hypotenuse of length x
Similar shapes and scale drawings worksheet
Answer:
Step-by-step explanation:
wheres the worksheet...
what is 3/4+1/2 answer
[tex]\huge\text{Hey there!}[/tex]
[tex]\mathsf{\dfrac{3}{4} + \dfrac{1}{2}}[/tex]
[tex]\mathsf{= \dfrac{3}{4} + \dfrac{1\times2}{2\times2}}[/tex]
[tex]\mathsf{= \dfrac{3}{4} + \dfrac{2}{4}}[/tex]
[tex]\mathsf{= \dfrac{3 + 2}{4 + 0}}[/tex]
[tex]\mathsf{= \dfrac{5}{4}}[/tex]
[tex]\mathsf{= 1 \dfrac{1}{4}}[/tex]
[tex]\huge\text{Therefore your answer should be:}[/tex]
[tex]\huge\boxed{\mathsf{\dfrac{5}{4}\ or \ 1 \dfrac{1}{4}}}\huge\checkmark[/tex]
[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]
can you help me with this question
Answer:
No, Tony should have rounded up to 38.
Step-by-step explanation:
Tony solved the inequality correctly; however, he rounded incorrectly.
8c+200≥500
Subtract 200 from both sides
8c≥300
Divide each side by 8
c≥37.5
Tony cannot wash 37.5 cars, because in the context it is impossible to wash half of a car. We round the answer up because rounding down would give us a value less than $500 (the inequality is greater than or equal to).
Therefore, the answer is 38. Tony is incorrect.
Flap Pole A and C are both casting a shadow question
Based on the proportionate ratio, the height of flagpole c is 7.5ft.
From the case, we know that both flagpoles positions created a similar triangle, where:
a = 16.5 ft
x = 12 ft
y = 10 ft
c ?
To find the height of flagpole c, we can use the proportionate ratio as:
a = (x + y)
c y
16.5 = (12 + 10)
c 10
16.5 / c = 22 / 10
22c = 16.5 (10)
22c = 165
c = 7.5
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A swimming pool whose volume is 10,000 gal contains water that is 0.01% chlorine. Starting at t= 0, city water containing 0.003% chlorine is pumped into the pool at a rate of 6 gal/min. The pool water flows out at the same rate. What is the percentage of chlorine in the pool after 1 hour? When will the pool water be 0.006% chlorine? What is the percentage of chlorine in the pool after 1 hour? After 1 hour the pool will be % chlorine. (Round to four decimal places as needed.)
The pool water will be 0.006% chlorine after approximately 236.5 minutes, and the percentage of chlorine in the pool after 1 hour (60 minutes) is approximately 0.674%.
Let C(t) be the amount of chlorine in the pool at time t in minutes, measured in gallons of chlorine. Since the volume of the pool is 10,000 gal and the initial concentration of chlorine is 0.01%, we have:
C(0) = 10,000 gal x 0.01% = 1 gal
As city water containing 0.003% chlorine is pumped into the pool at a rate of 6 gal/min and the pool water flows out at the same rate, the differential equation for C(t) is:
dC/dt = (0.003 - C(t)/10,000) x 6 - C(t)/10,000 x 6
Simplifying the right-hand side and solving the differential equation using separation of variables, we get:
C(t) = 30,000(1 - e^(-t/166.7)) - 180,000e^(-t/166.7)
After 1 hour (60 minutes), we have:
C(60) = 30,000(1 - e^(-60/166.7)) - 180,000e^(-60/166.7) ≈ 0.0674 gal
The percentage of chlorine in the pool after 1 hour is:
0.0674 gal / 10,000 gal x 100% ≈ 0.674%
To find when the pool water is 0.006% chlorine, we set C(t) = 10,000 gal x 0.006% = 0.6 gal and solve for t:
30,000(1 - e^(-t/166.7)) - 180,000e^(-t/166.7) = 0.6
Using numerical methods, we find that t ≈ 236.5 minutes.
After roughly 236.5 minutes, the chlorine content of the pool will be 0.006%, and after an hour (60 minutes), it will be approximately 0.674%.
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please help
question 10!
The note Micah made for the test on right triangles is correct by the Pythagoras rule.
What is the Pythagoras rule?The Pythagoras rule states that in a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.
so by Pythagoras rule we can write:
For the first right triangle;
(x/√2)² + (x/√2)² = x²...(1)
from the left hand side of equation (1): (x/√2)² + (x/√2)²
x²/2 + x²/2
2(x²)/2 = x² {the right hand side of equation (1)}
and for the second right triangle;
(x√3/2)² + (x/2)² = x²...(2)
from the left hand side of equation (2): (x√3/2)² + (x/2)²
x²(3)/4 + x²/4
3x²/4 + x²/4
(3x² + x²)/4
4x²/4 = x² {the right hand side of equation (2)}
Therefore by Pythagoras rule the note Micah made for the test on right triangles is correct
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Question Progress
Homework Progress
19/48 Marks
The circle shown has a radius of 4 cm.
Not drawn
to scale
What is the length of the diameter of the circle?
The length of the diameter of the circle is 8 cm.
What is Diameter?The diameter of a circle is the distance measured through its centre. The radius of a circle is the distance from the center to any point on the edge. The diameter is divided by the radius.
Given:
Radius = 4 cm
As, the radius is the point which starts from center and reach to point on the surface of the Circle.
and, the Diamter is the two times of the radius.
So, Diameter = 2 x radius
D= 2 x 4
diameter = 8 cm
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Graph the angle -4pi/3 in standard position :)
The point (-0.5, 0.866) represents the angle -4pi/3 graphed on the unit circle.
What is the unit circle?For an angle [tex]\theta[/tex] the unit circle is a circle with radius 1 containing the following set of points: [tex](\cos{\theta}, \sin{\theta})[/tex].
The angle for this problem is given as follows:
-4pi/3.
Hence the sine and the cosine are given as follows:
sin(-4pi/3) = 0.866.cos(-4pi/3) = -0.5.Hence the point (-0.5, 0.866) represents the angle -4pi/3 graphed on the unit circle.
(the equation of the unit circle is x² + y² = 1).
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Custom Castings, Inc. pays its employees on a piece-rate basis of $1.28 for each acceptable piece produced. What gross pay was earned by an employee whose production of 483 pieces included 9 pieces
that did not pass inspection?