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3 years ago

Please help the t0 means to

Mathematics

1 answer:

guajiro [1.7K]3 years ago

4 0

Yes , because 2-2 equals 0 then 0+5x leaving just 5x as the answer

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What is

disa [49]

<h3>Explanation:</h3>

There is a theorem :

$\mathbf{a^{2}-b^{2}=(a-b)(a+b)}$

Proof: open the brackets on right side of equality by using distributive property

RHS = a(a+b) - b(a+b)

RHS = $\mathrm{a^{2}+ab-ab-b^{2}}$

RHS = $\mathrm{a^{2}-b^{2}}$ = LHS

Using the above theorem you can solve every question you asked:

$\mathrm{4x^{2}-1=(2x)^{2}-1^{2}=(2x-1)(2x+1)}$
$\mathrm{9x^{2}-64=(3x)^{2}-(8)^{2}=(3x-8)(3x+8)}$

$\mathrm{49x^{2}-121=(7x)^{2}-(11)^{2}=(7x-11)(7x+11)}$

$\mathrm{4x^{2}-y^{2}=(2x)^{2}-y^{2}=(2x-y)(2x+y)}$

$\mathrm{9x^{2}-b^{2}=(3x)^{2}-b^{2}=(3x-b)(3x+b)}$

$\mathrm{16x^{2}-9b^{2}=(4x)^{2}-(3b)^{2}=(4x-3b)(4x+3b)}$

$\mathrm{x^{2}-42^{2}=(x-42)(x+42)}$

6 0

4 years ago

What is the y-intercept of the function f(x) = 2/9x +1/3 ?

shtirl [24]

Hello :
<span>the y-intercept of the function f(x) = 2/9x +1/3
when : x = 0
f(0) = 2/9(0)+1/3 = 1/3 </span>

7 0

3 years ago

What decimal number is represented by the shaded part

Anna11 [10]

Answer:

The decimal that represents the shaded portion of the figure is 0.75.

Step-by-step explanation:

4 0

3 years ago

Adam uses coconut milk for the dessert.

Ivanshal [37]

So basically, since you know the equation and all of the dimensions, just plug in all of the numbers.

V = $\pi$ r^2 h
V = 3 [the radius is diameter / 2] 4^2 * 12
V = 3 * 16 * 12
V = 48 * 12
V = 576

So there is 576 cm cubed of milk inside of the can.

(Whether it's filled to the brim, probably not.)

I hope I helped! :)

5 0

3 years ago

I guess the answer is D

DiKsa [7]

Yeah the answer is D

3 0

3 years ago

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Please help the t0 means to​

Please help the t0 means to