Answer:
$267.50
Step-by-step explanation:
This is the answer for 18.25 each and 2.50 each
If you mean 10 pizza for 18.25 combined and 20 drink for 2.50 combined then $55.75
Meredith model a division problem on the number line what division problem did she model? find the quotient
Meredith model of the division problem can be represented as a quotient
The division problem of the number line is y = 8x or y/8
How to determine the model?From the complete question, we have the following parameters:
A number line8 equal partitionsRepresent the length of the number line with y, and the quotient with x.
So, the equation of the division problem is:
x = y/8
Rewrite as:
y = 8x
Hence, the division problem of the number line is y = 8x or x = y/8
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sin2A+sin2B+sin2C÷4cosA/2.cosB/2.cosC/2
On Tuesday, the temperature was 14°F. The next day it was 7° warmer. However, the wind chill temperature was 25° colder than the actual temperature. Victor says the windchill temperature is -18°F. Is he correct? Explain your reasoning.
Carlos builds a robot that moves on small wheels. Each wheel has six 5-inch-long metal spokes that meet in the center. What the length of an arc between two consecutive spokes?
Express your answer as a simplified fraction in terms of \piπ.
The length of an arc between two consecutive spokes is 5π/8 in.
Length of an arc
The length of an arc L = rФ where
r = radius of circle = 5 in/2 = 2.5 in and Ф = angle subtended by arc in radians = 2π/n where n = number of sectors in circle = 8So, L = rФ
L = r × 2π/n
L = 2πr/n
Substituting the values of the variables into the equation, we have
L = 2πr/n
L = 2π × 2.5 in/8
L = 5π/8 in
So, the length of an arc between two consecutive spokes is 5π/8 in.
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The common factors of 8xy, IOx2y and 12xy2
Step-by-step explanation:
Factors of 8xy: 2 2 2 x y
Factors of 10x2y: 5 2 2 x y
Factors of 12xy2: 2 2 2 3 x y
Find the numbers or variables they all have in common.
Tell how many solutions each equation would have: one solution, no solutions, or infinitely many solutions. Give a justification for your answer.
5(-2x+7)+3=-10x+38
Answer:
Infinitely many solutions
Step-by-step explanation:
Infinitely many solutions because no matter what you put in for x the equations will always be true
23. Which point has a horizontal distance of 4 units and a vertical distance of 5 units from (6, - 4)?
O (11, -9)
O (1,0)
O (2, 1)
O (-2,3)
Answer:
(2,1)
Step-by-step explanation:
The point with a horizontal distance of 4 units and a vertical distance of 5 units from (6, -4) is (2, 1).
What is Graph?Graph is a mathematical representation of a network and it describes the relationship between lines and points.
To determine the point with a horizontal distance of 4 units and a vertical distance of 5 units from (6, -4), we can use the given coordinates as a reference.
Starting from (6, -4), a horizontal distance of 4 units means we will move 4 units to the right or left on the x-axis.
we move to the left.
This brings us to the x-coordinate of 6 - 4 = 2.
Next, a vertical distance of 5 units means we will move 5 units up or down on the y-axis. Since we want a positive vertical distance, we move up.
This brings us to the y-coordinate of -4 + 5 = 1.
Therefore, the point with a horizontal distance of 4 units and a vertical distance of 5 units from (6, -4) is (2, 1).
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can anyone help me please
Answer:
reflection in the line y = 2
Step-by-step explanation:
the line y = 2 is a horizontal line passing through all points with a y- coordinate of 2
shape A is 1 unit above this line
shape B is 1 unit below this line
then triangle A will map to triangle B under a reflection in this line
write 402 base five in words
Answer:
three thousand one hundred and two
Step-by-step explanation:
Step-by-step explanation:
three point seven two five eight
brainiest please
f(t)=6+30t-16t^2 How do you think the squared term -16t^2 affects the value of the function f? What does this term reveal about the situation?
Answer:
F(t)=6t+15t^2−16/3 t^3 + C
Step-by-step explanation:
hope this helps
Need help asap pleaseeeee
Answer: C
Step-by-step explanation:
In order for an investment, which is increasing in value exponentially, to increase by a factor of 5 in 20 years, about what percent does it need to grow each year?
The investment that increase by a factor of 5 in 20 years, has a growth of 8.38% per year.
What is an exponential function?An exponential function is in the form:
y = abˣ
Where y,x are variables, a is the initial value of y and b is the multiplication factor.
Given that an investment increasing in value exponentially, to increase by a factor of 5 in 20 years. Hence:
Factor per year = [tex]5 ^\frac{`1}{20}=1.0838[/tex]
Growth per year = 1.0838 - 1 = 0.0838 = 8.38%
The investment that increase by a factor of 5 in 20 years, has a growth of 8.38% per year.
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Fill in the blanks below in order to justify whether or not the mapping shown represents a function
(Will mark brainliest)
Answer:
Step-by-step explanation:
Rosa has 14 meters of string . She uses 8 .25 meters for a kite . How much string does Rosa have left?
Answer:
5.75
Step-by-step explanation:
14 - 8.25 = 5.75
Question 3 of 10
Which of the following represents the set of possible rational roots for the
polynomial shown below?
2x^3+ 5x^2 – 8x – 20 = 0
Answer:
2x^3-8x+5x^2-20
2x(x^2-4)+5(x^2-4)
(2x+5)(x^2-4)
(2x+5)(x+2)(x-2)
I NEED HELP PLEASE ITS DUE AT 1:00am
Answer:
c
Step-by-step explanation:
When it says 5(4+8)
It means
5 x 4 + 5 x 8
But you could also say that as
5(4) + 5(8)
Since
5 x 4 and 5(4) are the same
Hope this helped you
:-)
7) Choose the inequality that represents the statement.
The water level will be 10 feet or lower by tomorrow.
The water level will be 10 feet or lower by tomorrow, the correct inequality for this is x [tex]\leq \\[/tex] 10. Hence, the first option is the correct one.
What is inequality?A connection in mathematics that compares two numbers or other mathematical expressions in an unequal way is known as an inequality. It is most frequently used to compare the sizes of two numbers on the number line. To indicate various sorts of inequalities, a variety of notations are used:
A less than symbol (a < b) indicates that an is less than b.A bigger value than b is indicated by the notation a > b.These relationships are referred to be stringent inequalities since an is either strictly less than or strictly greater than b in these cases.
According to the question,
water will be equal to 10 feet or lower than 10 feet it cannot be greater than 10 feet.
Assume water is represented by x.
For water equal to 10 feet: x = 10 feet and,
For water lower than 10 feet: x < 10 feet.
So, we can write both like this: x [tex]\leq[/tex] 10
This concludes that the first option is correct.
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-7.79+9.55 what does this equal?
Answer:
1.76
Step-by-step explanation:
solve for x – 3 + 2 < 10
x-3 + 2 < 10
x - 1 < 10 .... combine like terms
x-1+1 < 10+1 ... add 1 to both sides
x < 11 is the answer
If you need to graph it, then place an open circle at 11 on the number line. Shade to the left.
if x - 3 + 2 is less than 10 then you would solve this question like this,
x - 3 + 2 < 10
x -(3+3) + 2 < 10 + 3
x + 2 < 13
x +(2-2) < 13 - 2
x < 11
Sales records at an automobile dealership show that they sold 40 red cars one month. Of
those cars, 25 were new cars and 15 were used cars. James bought a red car from the
dealership that month. What is the probability he bought a used car? Express your
answer as a decimal rounded to the nearest thousandth.
Answer:
the boy can touch the ceiling (passive voice)
Nikki had a $50 gift card for her favorite store. She used the gift card to buy 4 DVDs and still had money available on the
card after the purchase. If the DVDs were all the same price, which inequality best represents the possible price of each
DVD?
Answer:
C (third answer choice)
Step-by-step explanation:
This is because there is money left over after she buys 4 DVDs, so each DVD must be less than $12.50 each, otherwise she would have spent at least $50 on them which is not what is being said.
Answer:
C
Step-by-step explanation:
I took test on edge :)
The profit P (in hundreds of dollars) that a company makes depends on the amount x (in hundreds of dollars) the company spends on advertising according to the model
P = 180 + 80x − 0.5x^2.
What expenditure for advertising yields a maximum profit?
Answer:
20 hundreds of dollars or 2,000 dollars
Step-by-step explanation:
idrk i think this is right but corect be if im wrong
is 7 10 12 a right triangle
Answer:
no
Step-by-step explanation:
using the converse of Pythagoras' identity
If the square of the longest side is equal to the sum of the squares of the other 2 sides then the triangle is right.
longest side = 12 , then 12² = 144
7² + 10² = 49 + 100 = 149
since 149 ≠ 144 then the triangle is not right
you owe your sister $5.35, and she lends you another $4.50, how much do you owe her now
An expression is shown 3/5 divided by 5/8
Hey there!
In order to divide fractions, we should multiply the first fraction by the reciprocal of the second one.
let me clarify:
[tex]\bold{\displaystyle\frac{3}{5} :\frac{5}{8}}[/tex]
flop 5/8 over:
[tex]\bold{\displaystyle\frac{3}{5} :\frac{8}{5}}[/tex]
and now multiply
[tex]\bold{\displaystyle\frac{3}{5} *\frac{8}{5}}[/tex]
[tex]\bold{\displaystyle\frac{24}{25}}[/tex] (Answer)
Hope everything is clear.
Let me know if you have any questions!
#LearningDoesn'tEnd
:-)
Give two examples as to how pi is used in every day life
Answer:
In basic mathematics, Pi is used to find area and circumference of a circle. You might not use it yourself every day, but Pi is used in most calculations for building and construction, quantum physics, communications, music theory, medical procedures, air travel, and space flight, to name a few
Step-by-step explanation:
Write a quadratic function.
Answer:
[tex]\displaystyle y = x^2 + 6x + 12[/tex]
Step-by-step explanation:
To begin with, to define the stretch factour [tex]\displaystyle [A],[/tex]from the standard quadratic equation of [tex]\displaystyle y = Ax^2 + Bx + C,[/tex]find the rate of change between the vertex of [tex]\displaystyle [-3, 3][/tex] and either [tex]\displaystyle [-4, 4][/tex]or [tex]\displaystyle [-2, 4].[/tex]It really does not matter which ordered pair you choose to pair with the vertex because one result will be negative, and the other result will be positive, so it is as though you are taking the absolute value of the rate of change, but not entirely. Anyhow, let us get to wourk:
[tex]\displaystyle \frac{-y_1 + y_2}{-x_1 + x_2} = m \\ \\ \frac{-4 + 3}{2 - 3} \hookrightarrow \frac{-1}{-1} \\ \\ 1 = m[/tex]
OR
[tex]\displaystyle \frac{-y_1 + y_2}{-x_1 + x_2} = m \\ \\ \frac{-4 + 3}{4 - 3} \hookrightarrow \frac{-1}{1} \\ \\ -1 = m[/tex]
So, both oppocite rate of changes tell you that the stretch factour of this quadratic function is [tex]\displaystyle 1,[/tex]ESPECIALLY sinse the graph opens upward.
Now, to determine the quadratic equation for this graph, you need to write this in vertex form first. Remember to base the equation off the vertex:
[tex]\displaystyle y = A[x - h]^2 + k \\ \\ y = [x + 3]^2 + 3[/tex]
So, −C gives you the OPPOCITE TERMS OF WHAT THEY REALLY ARE, and sinse the vertex [tex]\displaystyle [(h, k)][/tex]is at [tex]\displaystyle [-3, 3],[/tex]there MUST BE a plus sign inside those brackets. Anyway, let us continue:
[tex]\displaystyle y = [x + 3]^2 + 3 \hookrightarrow y = x^2 + 6x + 9 + 3 \\ \\ \boxed{y = x^2 + 6x + 12}[/tex]
You now have your quadratic equation.
I am delighted to assist you at any time.
Stamps can be brought in a book of 20. how many books will a customer need to mail 50 invitations
Answer:
2.5
Step-by-step explanation:
All you have to do to figure this out is divide your 50 invitations by twenty stamps because there is 20 stamps in one booklet. 50 divided by 20=2.5
Answer:
3 books
Step-by-step explanation:
Assuming that you cannot buy a partial book of stamps, you would have to buy a surplus in order to obtain (at least) 50 stamps. That is because 50 is not a multiple of 20.
In theory you would need 2.5 books of stamps, but that half-book should be counted and rounded up to three. You wouldn't have sufficient stamps if you buy only 2 books.
A television station shows 3 commercials every 12 minutes. At that rate, how many commercials will the station show in 60 minutes?
Answer:
zqxwsecdvrfr
Step-by-step explanation:
Find the distance between the points (8, 2) and (0, 8)
Answer:
10
Step-by-step explanation: