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choli [55]
3 years ago
15

A rectangular prism has a height of 3,a length of 4,and a width of 12,what is the surface area?

Mathematics
2 answers:
lukranit [14]3 years ago
6 0
The formula for the surface area of a rectangular prism is 2 (<em>wl </em>+ <em>hl</em> + <em>hw</em>)

So first we multiply the width by the length.
12 x 4 = 48
Now we multiply the height by the length.
3 x 4 = 12
Now we multiply the height by the width.
3 x 12 = 36
Now we add all of our answers together.
48 + 12 + 36 = 96
And now we multiply it by 2.
96 x 2 = 192

So the surface area of the rectangular prism is 192.
NNADVOKAT [17]3 years ago
4 0
It would be 144 to the 2 power

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Fittoniya [83]

Answer:

QSR = 68º

Step-by-step explanation:

TSQ + QSR = TSR

15x + (10x - 2) = 173

Combine like terms

25x = 175

Divide both sides by 25

x = 7

QSR = 10x - 2

QSR = 10(7) - 2

QSR = 68º

5 0
3 years ago
6. What does |-9| equal?
hichkok12 [17]

The absolute value makes it 9

7 0
3 years ago
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What is 126/6 simplified to​
MissTica

Answer: 21

Step-by-step explanation:

The reason why it's 21 because when you divide 126/6 you get a whole number instead of a mixed number.

7 0
3 years ago
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Please help!! (please don’t reply if you’re just going to say “ don’t know “ etc please and thank you)
Nastasia [14]

Answer:

a = -1 , b = 4 , c = 3 , d = 1

Step-by-step explanation:

The general rules of exponent:

1) \ a^m * a^n = a^{m+n}\\2) \ a^m / a^n = a^{m-n}\\3) (-1)^m = 1 \ (if \ m \ is \ +) and \ = \ -1 \ (if \ m \ is \ -)

===================================================

Given:

(-xy)^3 (xz) =ax^by^cz^d

The right hand side = (-xy)³ (xz) = (-1)³ x³ y³ x z = (-1) x⁴ y³ z

Comparing the right hand side with the left hand side

∴ a = -1

∴ b = 4

∴ c = 3

∴ d = 1

8 0
2 years ago
Write in simplest form 12:3
prisoha [69]
To put this into simplest form, you can see what common factors they have. 3 can go into 12, so we can divide 12 by 3.
12÷3= 4
3÷3=1
So 4:1 is the simplest form of 12:3.
Tell me if this helps!!
3 0
3 years ago
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