2 years ago

Which do I pick A or B?

Mathematics

1 answer:

goldenfox [79]2 years ago

5 0

Pickkkkkkkkkk B...!!!?

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Simplify or factor each expression and then match the equivalent expressions

Vaselesa [24]

Answer:

Step-by-step explanation:

1. $4(2x^{2}+3y^{2})^{2}$

= $4(4x^{4}+9y^{4}+12x^{2}y^{2})$

= $16x^{4}+36y^{4}+48x^{2}y^{2}$

2. $4(2x^{2}+3y^{2})(2x^{2}-3y^{2})$

= $4((2x^{2})^{2}-(3y^{2})^{2})$

= $4(4x^{4}-9y^{4})$

= $16x^{4}-36y^{4}$

3. $(4x-5)(16x^{2}+20x+25)$

= $64x^{3}-80x^{2}+80x^{2}-100x+100x-125$

= $64x^{3}-125$

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3 years ago

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Step-by-step explanation:

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2 years ago

If 1l of milk cost 70p find the cost of 100ml and 400ml.

lesya [120]

Since 1000ml is 1L, 100 ml is 1/10L.

So 100ml costs 7p
And 400ml costs 28p.

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2 years ago

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Find the zeros of the function.<br>9x^2-36=0<br>I've gotten half way right up to<br>9(x^2-4)=0

Airida [17]

Answer:

x = ±2

Step-by-step explanation:

9x^2-36=0

Using the square root property

9x^2 = 36

Divide each side by 9

x^2 = 4

Take the square root of each side

sqrt(x^2) = sqrt(4)

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2 years ago

Is 125 a perfect square?

nata0808 [166]

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Step-by-step explanation:

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