2 years ago

PLEEEASE HELPPPPPPP!! substitution

Mathematics

2 answers:

Luba_88 [7]2 years ago

5 0

I got the same answer as the person before

worty [1.4K]2 years ago

4 0

Answer:

X=80

Y=9

Z=7

Step-by-step explanation:

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ANSWER ASAP FOR BRANETEST

astra-53 [7]

Answer:

Step-by-step explanation:

$5\frac{1}{4} =x$

$3\frac{3}{4} =y$

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3 years ago

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netineya [11]

Answer:

$\displaystyle 5$

Step-by-step explanation:

$\displaystyle ±7 = \sqrt{49} \\ \\ -7 = x + 2\:\:AND\:\:7 = x + 2 \\ \\ -9, 5 = x$

Sinse you want the POSITIVE solution, your answer is 5.

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7 0

2 years ago

<img src="https://tex.z-dn.net/?f=%28-5x%5E3%29%5E3%2F%2810x%5E5%29%5E2" id="TexFormula1" title="(-5x^3)^3/(10x^5)^2" alt="(-5x^

marta [7]

Answer:

$-\frac{5}{4x}$

Step-by-step explanation:

<h2> $\left(-5x^3\right)^3\div \left(10x^5\right)^2$ </h2><h2> $\frac{-5^3x^9}{\left(10x^5\right)^2}$ </h2><h2> $\frac{-5^3x^9}{10^2x^{10}}$ </h2><h2> $\frac{-5^3x^9}{5^2\cdot \:2^2x^{10}}$ </h2><h2> $\frac{-5x^9}{2^2x^{10}}$ </h2><h2> $\frac{-5}{2^2x}$ </h2>

$-\frac{5}{4x}$

- hope it helps! -

<h2 />

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1 year ago

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Blababa [14]

Answer:

see below

Step-by-step explanation:

When we add fractions with the same denominator (bottom), we do not add the denominator, we keep it the same. We only add the numerator (top)

1/2 + 1/2 = 2/2 =1

You will have given the entire sandwich away.

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2 years ago

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