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3 years ago

Find the volume of the prism height 3 in 5 and 12

Mathematics

2 answers:

Keith_Richards [23]3 years ago

4 0

Step-by-step explanation:

To find the volume of a rectangular prism V=whl so w=3 x 5 x 12. Multiply all those numbers together to get 180 inches cubed.

coldgirl [10]3 years ago

4 0

Answer:

180

Step-by-step explanation:

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Find the true measurements of the missing angle and show your work

Wittaler [7]

Answer:

Angle = 45

Step-by-step explanation:

It is half of a right angle also (x = 15) :)

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2 years ago

Robert will put. a border around the edges of the platform. how much border will he need

STatiana [176]

What are the demetions of the platform?

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3 years ago

I need to solve for x and y. Any help is greatly appreciated! Thank you!

Inessa05 [86]

x=-3, y=1

Step-by-step explanation:

Given equations are:

2x-3y=-9 Eqn 1

x+y = - 2 Eqn 2

From eqn 2:

$x=-y-2$

Putting x=-y-2 in eqn 1

$2(-y-2)-3y=-9\\-2y+4-3y=-9\\-5y-4=-9\\Adding\ 4\ on\ both\ sides\\-5y-4+4=-9+4\\-5y=-5\\Dividing\ both\ sides\ by\ -5\frac{-5y}{-5}=\frac{-5}{-5}\\y=1\\Putting\ y=1\ in\ eqn\ 2\\x+1=-2\\Subtracting\ 1\ from\ both\ sides\\x+1-1=-2-1\\x=-3$

Hence,

x=-3, y=1

Keywords: Linear equations, Variables

Learn more about linear equations at:

#LearnwithBrainly

3 0

3 years ago

7/8 = x/48 <br> A. 42<br> B. 6<br> C. 13<br> D. 1

Elena L [17]

7/8 = x/48

Perform cross multiplication:
a/b = c/d
ad = bc

a = 7 ; b = 8 ; c = x ; d = 48
7*48 = 8x
336 = 8x
336/8 = x
42 = x

7/8 = 42/48

42 ÷ 6 = 7
48 ÷ 6 = 8

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3 years ago

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I just don’t understand. help

Ratling [72]

Answer:

I'm so sorry you don't know this. Here!

Step-by-step explanation:

You divide 1,060 with 30%

1,060 - 30% (30) = 742!

Val scored 742 points!

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3 years ago

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