2 years ago

May I get some help on this please?

Mathematics

2 answers:

HACTEHA [7]2 years ago

8 0

Answer:

Step-by-step explanation:

The answer is the second explanation I think

Sliva [168]2 years ago

3 0

Answer:

it's the 2nd answer

Step-by-step explanation:

basically I just found the range and it kinda gave me the answer (range is the difference between the highest and lowest number, so 24-9=15)

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Contact [7]

Answer:

$\dfrac{z-y}{a+b}$

Step-by-step explanation:

Given expression:

$\dfrac{z^2-y^2}{a^2-b^2}\div \dfrac{z+y}{a-b}$

Substitute

$a^2-b^2=(a-b)(a+b)\\ \\z^2-y^2=(z-y)(z+y)$

into the expression:

$\dfrac{(z-y)(z+y)}{(a-b)(a+b)}\div \dfrac{z+y}{a-b}\\ \\ \\=\dfrac{(z-y)(z+y)}{(a-b)(a+b)}\times \dfrac{a-b}{z+y}\\ \\ \\=\dfrac{z-y}{a+b}$

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Answer:

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3 years ago

Which lines are parallel to 8x + 4y = 5? Select all that apply.

Dvinal [7]

Answer:

A , B , C

Step-by-step explanation:

1) find the slope of the given line

slope = (-a/b) = (-8/4) = -2

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A : correct

B : (-a/b) = -16/8 = -2 (correct)

C : correct

D : wrong (2 is different from -2)

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2 years ago

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2 years ago

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julia-pushkina [17]

Answer:

The reasonings I provided are just examples (they are true, though!). Hope this helps!

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