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AVprozaik [17]
3 years ago
12

It will cost $14,000 to build a greenhouse for the school. The school district will pay for 70%of the cost of the greenhouse. Th

e school mist raise the remaining amount . The goal is for each of the 32 classes in the school to raise the same amount of money. How much money does each class need to raise?
Mathematics
1 answer:
zzz [600]3 years ago
3 0
14000*.70=9800 provided by the district
14000-9800=4200 for the school to raise
4200/32=$131.25 per class
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4 years ago
The diagram shows a scale drawing of a rectangular banner with a scale of 1:30. Calculate
AlexFokin [52]

Answer:

Part 1) The actual length of the banner is 1.2\ m

Part 2) The area of the banner is 3.24\ m^{2}

Step-by-step explanation:

we know that

The scale of the drawing is \frac{1}{30}

That means ----> 1 cm on the drawing represent 30 cm in the actual

Using proportion

<em>Find out the actual dimensions of the banner</em>

Let

L  the actual length of the banner

W the actual width of the banner

<u>For a length of 4 cm in the drawing</u>

\frac{1}{30}=\frac{4}{L}\\ \\ L=30*4\\ \\L=120\ cm

Convert the actual length to meters

L=120/100=1.2\ m

<u>For a width of 9 cm in the drawing</u>

\frac{1}{30}=\frac{9}{W}\\ \\ W=30*9\\ \\W=270\ cm

Convert the actual width to meters

W=270/100=2.7\ m

<em>Find the area of the banner</em>

A=1.2*2.7=3.24\ m^{2}

5 0
3 years ago
Given f(x) = x3 + 8, find the value of x when f(x) = 0.
77julia77 [94]

The value of x is -2 when f(x) = 0

Step-by-step explanation:

In any function f(x) = y

  • x is the input
  • y is the output
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∵ f(x) = x³ + 8

To find value of x when f(x) = 0, substitute f(x) in the equation by

0 and solve the equation to find the value of x

∵ f(x) = 0

∴ 0 = x³ + 8

- Subtract 8 from both sides

∴ -8 = x³

- Take ∛ for both sides

∵ \sqrt[3]{x}=x

∵ \sqrt[3]{-8}=-2

∴ x = -2

The value of x is -2 when f(x) = 0

Learn more:

You can learn more about the functions in brainly.com/question/10879401

#LearnwithBrainly

7 0
3 years ago
Every summand of an expression is called a???
cricket20 [7]

Answer:

I think it's called a term.

Hope this helps :)

4 0
2 years ago
Classify ( 3 − 1 3 ) as rational or irrational, and explain your reasoning.
Jet001 [13]

Answer:

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Step-by-step explanation:

the equation above would be -10 making it an integer

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