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3 years ago

Simplify this expression 6g^3h^3 /15g

Mathematics

2 answers:

snow_tiger [21]3 years ago

6 0

Answer:

2g^2h^3/ 5.

Step-by-step explanation:

6g^3h^3 /15g .

The GCF is 3g so we have:

= 2g^2h^3/ 5.

mina [271]3 years ago

3 0

Answer:

Step-by-step explanation:

$\frac{6g^{3}*h^{3}}{15g}=\frac{2g^{2}*h^{3}}{5}$

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-2 (Y-1) =8<br>what is Y( I thought it was 11 but it's not)

soldi70 [24.7K]

Answer:

Y=-3

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Step-by-step explanation:

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3 years ago

Simplify (–2 – c )(–1)

Mkey [24]

The simplified expression of (-2 - c)(-1) is 2 + c

<h3>How to simplify the expression?</h3>

We have:

(-2 - c)(-1)

Express as product

(-2 - c) * (-1)

Evaluate the product

2 + c

Hence, the simplified expression of (-2 - c)(-1) is 2 + c

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2 years ago

What is the solution to the equation

Dafna11 [192]

$\sqrt{4t+5}=3-\sqrt{t+5}\\\\D:4t+5\geq0\ \wedge\ t+5\geq0\ \wedge\ \sqrt{t+5}\leq3\\\\t\geq-\dfrac{5}{4}\ \wedge\ t\geq-5\ \wedge\ t\leq6$

therefore
$D:x\in\left< -\dfrac{5}{4};\ 6\right>$

$\sqrt{4t+5}=3-\sqrt{t+5}\ \ \ |^2\\\\(\sqrt{4t+5})^2=(3-\sqrt{t+5})^2\ \ \ |use:(a-b)^2=a^2-2ab+b^2\\\\4t+5=3^2-2\cdot3\cdot\sqrt{t+5}+(\sqrt{t+5})^2\\\\4t+5=9-6\sqrt{t+5}+t+5\ \ \ \ |-t\\\\3t+5=14-6\sqrt{t+5}\ \ \ \ |-14\\\\3t-9=-6\sqrt{t+5}\ \ \ \ |change\ signs$
$9-3t=6\sqrt{t+5}\ \ \ \ |:3\\\\3-t=2\sqrt{t+5}\ \ \ \ |^2\\\\(3-t)^2=(2\sqrt{t+5})^2\\\\3^2-2\cdot3\cdot t+t^2=4(t+5)\\\\9-6t+t^2=4t+20\ \ \ |-4t-20\\\\t^2-10t-11=0\\\\t^2+t-11t-11=0\\\\t(t+1)-11(t+1)=0\\\\(t+1)(t-11)=0\iff t+1=0\ \vee\ t-11=0\\\\t=-1\in D\ \vee\ t=11\notin D$
Answer: t = -1.

7 0

3 years ago

Read 2 more answers

Three research departments have 9 , 6 , and 8 members, respectively. Each department is to select a delegate and an alternate to

erastova [34]

The should be 158 ways, because 9*8+8*7+6*5=158.

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4 years ago

What is the reciprocal of 3^-2 ?

weqwewe [10]

Answer:

1/3^2