3 years ago

I don't get it please help me

1 answer:

4 0

It would be A. Twelve times. On the first day it was only one inch tall. Then on the sixth it was one foot tall which is twelve inches. Twelve inches is twelve times the amount of one inch.

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What is the answer to 8x^3+125 by factoring the perfect cube?

expeople1 [14]

Answer:

$\large\boxed{8x^3+125=(2x+5)(4x^2-10x+25)}$

Step-by-step explanation:

$8x^3+125=2^3x^3+5^3=(2x)^3+5^3\\\\\text{use}\ a^3+b^3=(a+b)(a^2-ab+b^2)\\\\=(2x+5)((2x)^2-(2x)(5)+5^2)\\\\=(2x+5)(4x^2-10x+25)$

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3 years ago

What is the gradient and y-intercept of a<br> line with equation y = 3x+2?

Diano4ka-milaya [45]

Gradient:3
Y intercept:(0,2)

8 0

2 years ago

@mehek14

gayaneshka [121]

X=cost per hamburgurs
y=cost per hot dog

200x+150y=1450
200x+250y=1750

we can multiply first equation by -1 and add to 2nd

-200x-150y=-1450
<u>200x+250y=1750 +</u>
0x+100y=300

100y=300
divide both sides by 100
y=3

sub back

200x+150y=1450
200x+150(3)=1450
200x+450=1450
minus 450 both sides
200x=1000
divide both sides by 200
x=5

the cost of a hamburgur is $5
the cost of a hot dog is $3

8 0

3 years ago

Read 2 more answers

The sum of a number and 6 ad a mathematical expression

Gennadij [26K]

X+6=y thats the answer i got

7 0

3 years ago

Pls 79 points and no fake I will report you

V125BC [204]

Answer:

A: False

B: False

C: True

D: False

E: True

Step-by-step explanation:

Every true answer has a reasonable amountable difference.

Surprised to see someone not faking for points?

Hope this helped!

3 0

3 years ago