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3 years ago

13

How do you multiply 9.4 by 7.85 with work shown

1 answer:

11Alexandr11 [23.1K]3 years ago

8 0

Answer:

73.79

Step-by-step explanation:

i forgot how to do it step by step

soooooo sorry

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-3(n + 5) = 12<br> solve^

UNO [17]

Answer:

n= 1

Step-by-step explanation:

-3n + 15 =12

-15. -15

-3n= - 3

÷-3 ÷-3

n= 1

5 0

3 years ago

Read 2 more answers

Square root of 32 x square root of 1 over 18

lisov135 [29]

<h3>Solution:</h3>

$\sqrt{32} \times \sqrt{ \frac{1}{18} } \\ = \sqrt{32} \times \frac{ \sqrt{1} }{ \sqrt{18} } \\ = \sqrt{32} \times \frac{1}{ \sqrt{18} } \\ = \frac{\sqrt{2 \times 2 \times 2 \times 2 \times 2}}{ \sqrt{2 \times 3 \times 3} } \\ = \frac{ \sqrt{ {2}^{2} \times {2}^{2} \times 2} }{ \sqrt{2 \times {3}^{2} } } \\ = \frac{2 \times 2 \times \sqrt{2} }{3 \times \sqrt{2} } \\ = \frac{4 \times \sqrt{2} }{3 \times \sqrt{2} } \\ = \frac{4}{3}$

<h3>Answer:</h3>

$\frac{4}{3}$

<h3>Hope it helps...</h3>

ray4918 here to help

7 0

2 years ago

One quart of water-resistant paint covers 75 square feet. A swimming pool is in the shape of a rectangular prism with a length o

docker41 [41]

18.66 quarts of paint is needed to paint the swimming pool with two coats of paint

<em><u>Solution:</u></em>

Given that,

<em><u>A swimming pool is in the shape of a rectangular prism</u></em>

Length = 20 feet

Width = 10 feet

Height = 5 feet

<em><u>Find the surface area of prism</u></em>

$A=2(wl+hl+hw)$

Where, "l" is the length and "w" is the width and "h" is the height

$A = 2(10 \times 20 + 5 \times 20 + 5 \times 10)\\\\A = 2(200+100+50)\\\\A = 2 \times 350\\\\A = 700$

Thus surface area area of prism is 700 square feet

Given that,

One quart of water-resistant paint covers 75 square feet

Therefore,

1 quart paint = 75 square feet

x quart = 700 square feet

This forms a proportion

$1 \times 700 = 75 \times x\\\\x = \frac{700}{75}\\\\x = 9.33$

Thus 9.33 quarts of paint is needed to cover 700 square feet

How many quarts should you buy to paint the swimming pool with two coats of paint

For two coats of paint we need = 9.33 + 9.33 = 18.66 quarts of paint

4 0

3 years ago

Easy question for points 1/3 in decimal form ps I know the answer

valina [46]

Answer:

0.3333 (the three continues)

Step-by-step explanation:

If you put 1/3 or 1 divided by 3 in the calculator, then it'll show the decimal form of the fraction.

7 0

3 years ago

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Find the slope of the line that passes through (1,5) and (10, 10).

Oliga [24]

Answer:

$\frac{5}{9}$

Step-by-step explanation:

The formula for the slope with two points given would be

$\frac{y_2-y_1}{x_2-x_1}$

Substitute

$\frac{10-5}{10-1} =\frac{5}{9}$

5 0

3 years ago