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2 years ago

8

Amata mixes 2 parts black paint with 3 parts white paint to make 90 mL of gray paint. How much white paint does Amata use to mak

e the gray paint?
A 18 mL

B 30 mL

C 45 mL

D 54 mL

José chose A as the correct answer. How might he have gotten that answer?

1 answer:

Orlov [11]2 years ago

6 0

Answer:

is 18 because 6x3 is 18 ok

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Two similar pyramids have base areas of 12.2 cm2 and 16 cm2. The surface area of the larger pyramid is 56 cm2. What is the surfa

docker41 [41]

Given =

Two similar pyramid have base area of 12.2 cm² and 16 cm².

surface area of the larger pyramid = 56 cm²

find out the surface area of the smaller pyramid

To proof =

Let us assume that the surface area of the smaller pyramid be x.

as surface area of the larger pyramid is 56 cm²

Two similar pyramid have base area of 12.2 cm² and 16 cm².

by using ratio and proportion

we have

ratio of the base area of the pyramids : ratio of the surface area of the pyramids

$\frac{12.2}{16} : \frac{x}{56}$

x = 12.2 ×56× $\frac{1}{16}$

by solvingthe above terms

we get

x =42.7cm²

Hence the surface area of the smaller pyramid be 42.7cm²

Hence proved

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3 years ago

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Mrs. Lobo earns a salary of $50,000 per year plus a 4% commission on her sales. The average price of a share

dem82 [27]

Answer:

a) 50,000 + 2x > 70,000

Step-by-step explanation:

Mrs. Lobo has an annual salary of $50000 per year plus 4% commission on her sales.

If she makes $y commission from sales, Mrs Lobo total income per year is:

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She makes 4% commission on her sales of share with the average price of a share = $50

Average commission from sales = 4% × $50 = 0.04 × 50 = $2

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The amount of shares Mrs Lobbo must sell to make an annual income of at

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3 years ago

1/3 cubed = ???? what

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Answer:

1/27

plz mark brainest

Step-by-step explanation:

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${303}^{9} \times {303}^{9} \\ = {303}^{9 + 9} \\ = {303}^{18}$

<u>Answer</u><u>:</u>

<u> ${303}^{18}$ </u>

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2 years ago

Andrew writes the algebraic expression 2s + 2.79 to represent the cost of his lunch. He bought 2 sandwiches and a large drink. I

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Variables=S
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