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igor_vitrenko [27]

2 years ago

13

The ratio of the surface areas is . If the surface area of the windows of the model is 100 square inches, the surface area of th

e windows of the building is square yards.

1 answer:

Lorico [155]2 years ago

4 0

Answer:

2025 yd²

Step-by-step explanation:

(Ratio of sides)² = Ratio of areas

(2/9)² = 4/81

Ratio of Surface areas:

4 in² represents 81 yd²

4/81 = 100/SA

SA = 100 × 81/4

SA = 2025

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Evaluate 2 ∙ (8 + 4) using the steps of order of operations.

Natalka [10]

Step-by-step explanation:

Follow PEMDAS

$2 ∙ (8 + 4)$

P: Parentheses

E : Exponents

M: Multiplication

D: Division

A: Addition

S: Subtraction

$2 \cdot \: (12) \\ = 2 \times 12 \\ 24$

Question 2

$15 + 6 \times 3 \\ 15 + (6 \times 3) \\ 15 + 18 \\ = 33$

7 0

2 years ago

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Which equation represents a line that passes through (4, 1/3) and has a slope of 3/4

andrew-mc [135]

Answer:

y = 3/4x - 8/3

Step-by-step explanation:

y = 3/4x + b

1/3 = 3/4(4) + b

1/3 = 3 + b

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y = 3/4x - 8/3

8 0

2 years ago

SHAYNA FREEL PLANS TO BUY $17.45 WORTH OF STATIONERY SUPPLIES. IF THE SALES TAX IS 13%, HOW MUCH WILL SHAYNA PAY?

Rainbow [258]

9514 1404 393

Answer:

$19.72

Step-by-step explanation:

The sales tax is 13% of $17.45:

0.13 × $17.45 = $2.27 . . . . . . rounded (up) to the nearest cent

Then the total Shayna will pay is ...

$17.45 +2.27 = $19.72

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2 years ago

What’s another way to write 2x + (-2x) + 4 + (-3) ?

vladimir1956 [14]

2x \\\\ snubs kn
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2 years ago

Nicole works Monday through Friday and make $250 for her efforts. How much money does she make per day?

bixtya [17]

Answer:

$50 per day

Step-by-step explanation:

she works five days in week and she gets 250 bucks

250/5=50

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2 years ago