3 years ago

Just give me the answer it’s the only one I need

Mathematics

1 answer:

Kisachek [45]3 years ago

7 0

Answer:

Step-by-step explanation:

(2x + 3y) (2x - 3y)

Two perfect squares be a² and b². So, their difference is a² - b²

a² - b² = (a + b)(a - b)

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How many liters fit in a cube that is 30 centimeters on a side

astra-53 [7]

Answer:

$27\ liters$

Step-by-step explanation:

step 1

Find the volume of the cube

The volume of a cube is

$V=b^{3}$

where

b is the length side of the cube

we have

$b=30\ cm$

substitute

$V=(30)^{3}$

$V=27,000\ cm^{3}$

step 2

Convert cm^3 to liters

Remember that

$1\ liter=1,000\ cm^3$

$27,000\ cm^{3}=27,000/1,000=27\ liters$

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3 years ago

If a penny has a circumference of 59.69 millimeters, what is the radius of the penny

PIT_PIT [208]

Answer:

9.48 mm

Step-by-step explanation:

$C=2 \pi r$

C=59.59 mm

59.59=2*3.14*r

r=9.48 mm

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3 years ago

Six friends share 2 pizzas equally. How much of a pizza does each friend get?

GarryVolchara [31]

each one gets 2 and their will be 4 slices left

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4 years ago

13. 92÷3 need to know estimation and show work

V125BC [204]

Answer:

30.667

Step-by-step explanation:

92 divided by 3 is 30.667

92/3=30.667

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1 year ago

Read 2 more answers

Change general form of hyperbola into standard: -x^2 + y^2 -16x + 14y - 251 = 0

topjm [15]

Answer:

(y+7)²/364 - (x+8)²/364 = 1

Step-by-step explanation:

This is the standard form of a vertical hyperbola (y-k)²/a² - (x-h)²/b² = 1

so, (y²+14y+?) - (x²+16x+?) = 251

(y²+14+49)-49 - (x²+16x+64)-64 = 251

(y+7)² - (x+8)² = 251 + 49 + 64

(y+7)² - (x+8)² = 364

(y+7)²/364 - (x+8)²/364 = 1

7 0

4 years ago