2 years ago

Prove the identity: (a-b)(a+b)(a^2+b^2)(a^4+b^4) Please help quickly for brainliest

Mathematics

2 answers:

Verdich [7]2 years ago

7 0

Answer: a^8-b^8

Step-by-step explanation:

mafiozo [28]2 years ago

5 0

I think the answer is a^b^2

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M is directly proportional to r3<br>When r = 4, M = 160<br>a) Work out the value of M when r = 2.

Natali [406]

Answer:

M = 20

Step-by-step explanation:

Given that M is directly proportional to r³ then the equation relating them is

M = kr³ ← k is the constant of proportion

To find k use the condition when r = 4, M = 160, that is

160 = k × 4³ = 64k (divide both sides by 64 )

2.5 = k

M = 2.5r³ ← equation of proportion

When r = 2, then

M = 2.5 × 2³ = 2.5 × 8 = 20

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2 years ago

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Which expression is equivalent to -36 - 8?

Deffense [45]

-36-8 = -44

-36+(-8) = -44
third option

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2 years ago

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8_murik_8 [283]

$4a^2-6a+8$

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3 years ago

What is g in 7h+2f-2g=17.15

drek231 [11]

G = (7h + 2f + 3c - 17.15)/2

7 0

2 years ago

Hi please answer and you dont NEED to show work but if u do i will give brainliest

Advocard [28]

Answer:

$y=-\frac{2}{5} -1$

Step-by-step explanation:

So first thing is that slope intercept form is setup like this

y=mx+b

m=slope

b=y intercept

the slope is change in y over change in x

as y goes down 2 x goes up 5

so the slope is -2/5

the y intercept is at (0,-1) so the y intercept is -1

therefore the answer is

$y=-\frac{2}{5} -1$

have a great day :)

8 0

2 years ago

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