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3 years ago

What do the word each me in math

Mathematics

1 answer:

Elodia [21]3 years ago

4 0

Each means to multiply I dont know if thats the word you are asking to us to define

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PLZ HELP SCALE FACTOR TRIANGLE<br><br> A. 10.5 cm<br> B. 31.5 cm<br> C. 63 cm<br> D. 189 cm

Anarel [89]

If two similar triangles have sides in the ratio a : b, then their areas are in the ratio a² : b².

We have the ratio:

$54:18=\dfrac{54}{18}=3:1$

Area of the smaler triangle = x

Area of the larger triangle = 567 cm²

Therefore we have the equation:

$567:x=3^2:1^2\\\\\dfrac{567}{x}=\dfrac{9}{1}\qquad|\text{cross multiply}\\\\9x=567\qquad|\text{divide both sides by 9}\\\\x=63$

<h3>Answer: C. 63 cm²</h3>

3 0

3 years ago

How do i turn standard form into slope intercept?

Jlenok [28]

Write it in y= mx+b form. Subtract 5x from both sides to get 4y = -5x + 100. Divide by 4 so the answer would be y= -5/4x + 25.

8 0

3 years ago

One country has 12 stone bridges and 20 steel bridges. What is the ratio of ? A. Stone bridges to steel bridges. B. Steel bridge

Gemiola [76]

Answer:

A. Stone bridges to steel bridges=

12 : 20

6 : 10

3 : 5

answer = 3 : 5

B. Steel bridges to Stone bridges

20 : 12

10 : 6

5 : 3

answer = 5 : 3

Total bridges = 20+12=32

C. Total bridges to steel bridges

32 : 20

16 : 10

8 : 5

answer = 8 : 5

3 0

3 years ago

Alison wants to find the total cost of buying 4 adult admission tickets to an amusement park.identify the input and output

Keith_Richards [23]

If you are talking about a graph:

The input would be the number of adult tickets.

The output would be the amount of money.

If you talking about it normally:

The input would be the amount of money.

The output would be the number of adult tickets.

8 0

3 years ago

He cost, in millions of dollars, of building a three-story high school in new york state was estimated to be c(x) = 2.1 + 0.12x

ratelena [41]

Given cost function is

c(x) = $2.1 + 0.12x - 0.0001x^2$ (20 ≤ x ≤ 400)

where x is the number of thousands of square feet

total revenue will be $0.2 million dollars per thousand square feet

Revenue is 0.2 millions per thousand square feet. we know x is the number of thousand of square feet

So R(x) = 0.2x

We know Profit = Revenue - Cost

P(x) = R(x) - C(x)

$P(x) = 0.2x - (2.1 + 0.12x - 0.0001x^2)$

$P(x) = 0.2x - 2.1 - 0.12x + 0.0001x^2)$

combine like terms

$P(x) =-2.1 + 0.08x + 0.0001x^2$

Profit function is

$P(x) =0.0001x^2 + 0.08x - 2.1$

5 0

3 years ago