3 years ago

PLEASE HELP ME

Mathematics

2 answers:

faust18 [17]3 years ago

5 0

Answer:

6 marbles

Step-by-step explanation:

satela [25.4K]3 years ago

3 0

Answer:

Step-by-step explanation:

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The ratio of adult cat to kitten at a pet care center on Thursday was 4:3. There were 12 kittens there that day. Tuesday , 17 ad

emmainna [20.7K]

Answer:

1 adult cat

Step-by-step explanation:

Thursday:

The ratio of adult cat to kitten at a pet care center on Thursday was 4:3.

Number of adult cats = 4x

Number of kitten cats = 3x

There were 12 kittens, then

$3x=12\\ \\x=\dfrac{12}{3}\\ \\x=4\\ \\4x=4\cdot 4=16$

There were 16 adult cats

Tuesday:

17 adult cats were at the pet care center.

Difference:

$17-16=1$ adult cat

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3 years ago

Which expression is equivalent to (x + y)(x – y)?

Goshia [24]

X^2-y^2
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3 years ago

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<img src="https://tex.z-dn.net/?f=%5Csqrt%5B6%5D%7B27x%5E%7B3%7Dy%5E%7B6%7D%20%20%7D" id="TexFormula1" title="\sqrt[6]{27x^{3}y^

bekas [8.4K]

Answer:

$\large\boxed{\sqrt[6]{27x^3y^6}=y\sqrt{3x}}$

Step-by-step explanation:

$\sqrt[6]{27x^3y^6}\qquad\text{use}\ \sqrt[n]{ab}=\sqrt[n]{a}\cdot\sqrt[n]{b}\\\\=\sqrt[6]{3^3}\cdot\sqrt[6]{x^3}\cdot\sqrt[6]{y^6}\qquad\text{use}\ \sqrt[n]{a^m}=a^\frac{m}{n}\\\\=3^\frac{3}{6}\cdot x^\frac{3}{6}\cdot y^\frac{6}{6}\qquad\text{simplify}\\\\=3^\frac{1}{2}\cdot x^\frac{1}{2}\cdot y^1\qquad\text{use}\ (ab)^n=a^n\cdot b^n\\\\=(3x)^\frac{1}{2}\cdot y\\\\=y\sqrt{3x}$

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3 years ago