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2 years ago

Who knows how to solve this problem ”Surface Area-Prisms”?

Mathematics

2 answers:

VMariaS [17]2 years ago

7 0

Answer: 234

Step-by-step explanation:

Surface area of a rectangular prism: 2lengthheight + 2lengthwidth + 2heightwidth

Length: 9 | Height: 9 | Width: 2

2(9x9) + 2(9x2) + 2(9x2) = 234

Minchanka [31]2 years ago

5 0

Answer: You lay out the 3 demential shape into a net then find the area of the net. There are 2 surfaces that are 81 square feet. and 4 surfaces that are 18 feet. 81 + 81 + 18 + 18 + 18 + 18 = 234.

The surface area is 234 Square Feet. Hope this helps and brainliest is always appreciated. :)

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Danielle runs 1/5 of a mile in 4.5 minutes. if she continues at the same speed, how long will it take her to run two miles?

motikmotik

(1/5) / 4.5 = 2 / m....1/5 mile to 4.5 minutes = 2 miles to m minutes
cross multiply
(1/5)(m) = (2)(4.5)
1/5m = 9
m = 9 * 5/1
m = 45 minutes <===

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2 years ago

Find Each Difference. 1) 2-(-2)= 2) (-1)-10= 3) 8-7= 4) (-8)-(-6)

Afina-wow [57]

Answer:

1) 4

2) -11

3) 1

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Step-by-step explanation:

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3 years ago

What is 7285 divided by 4

serg [7]

Answer:

1821.25

Step-by-step explanation:

$\frac{7285}{4}$ = 1821.25

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2 years ago

Find the value of x so that the function has the given value.

nataly862011 [7]

For h(x) = -7x + 10, x =1

For r(x) = 4/5x+ 7 , x = -15

Step-by-step explanation:

in order to find the value of x on which the functions will have given values, we will put the functions equal to the given values

So,

h(x) = -7x + 10; h(x) = 3

$h(x) = -7x+10\\3 = -7x+10\\3-10 = -7x+10-10\\-7 = -7x$

Dividing both sides by -7

$\frac{-7x}{-7} = \frac{-7}{-7}\\x = 1$

r(x) = 4/5x+7; r(x) = -5

$r(x) = \frac{4}{5}x +7\\-5 = \frac{4}{5}x +7\\-5-7 = \frac{4}{5}x\\-12 = \frac{4}{5}x\\x = -12 * \frac{5}{4}\\x = -15$

Keywords: Functions

Learn more about functions at:

#LearnwithBrainly

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2 years ago

Please help i will give brainliest... what letter goes with each line?

bagirrra123 [75]

Answer:

d is 3

e is 7

f is 5

Step-by-step explanation:

just get photo math :)

4 0

2 years ago