3 years ago

What is 21 times 1/3=

Mathematics

1 answer:

tiny-mole [99]3 years ago

4 0

Answer:

Step-by-step explanation:

21×1/3

21÷3=7

hope I've helped

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A square has a perimeter of 36 cm. What is the length of each side?

shepuryov [24]

Answer:

a square has all its sides equal so you divide by 4

to get 9cm

<h3> hope it helps!</h3>

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3 years ago

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124 is greater than or equal to x.

andrew11 [14]

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x is a variable its value can be changed

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Which systems of equations is in standard form?

kakasveta [241]

Answer:

2c-3y-4=0

Step-by-step explanation:

Standard form is when the answer is equal to zero.

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3 years ago

Find the surface area of a rectangular prism that is 16 inches long, 12 inches wide, and 5 inches high.

OverLord2011 [107]

We have an equation for the surface area of a rectangular prism:
A= 2 (w*l+ l*h+ h*w)

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4 years ago

A gift bag shaped like a rectangular prism has a volume of 1152 cubic inches. The dimensions of the gift bag in terms of its wid

exis [7]

Answer:

Given below.

Step-by-step explanation:

Gift bag is shaped in a rectangular prism.

<em> rectangular volume: length * width * height</em>

( 2w + 4 ) ( w ) ( 18 - w ) = 1152

( 2w² + 4w ) ( 18 - w ) = 1152

-2w³+32w² +72w = 1152

-2w³+32w² +72w - 1152 = 0

$-2\left(w-16\right)\left(w+6\right)\left(w-6\right)=0$

w = 16 , -6 , 6

w = 16 , 6

length = ( 2w + 4 ) = 36 inch , 16 inch

width = ( w ) = 16 inch , 6 inch

height = ( 18 - w ) = 2 inch , 12 inch

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3 years ago