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3 years ago

Select the correct answer. Which expression has a greatest common factor of 3h? A. 18h2 − 6h B. 3 − 9h C. 6h2 − 2h D. 12h + 21h2

Mathematics

2 answers:

horsena [70]3 years ago

6 0

Answer: D. 12h + 21h2

Step-by-step explanation: The answer is D,

because when you devide 12h/3h = 4

and for the other value 21h2/3h=7h

4 + 7h

if you perform the same operation with the rest of answers you will get a minor values if you compare with this results, because of that the answer with the greatest common factor is D.

expeople1 [14]3 years ago

4 0

Answer:

$12h + 21h^2$

Step-by-step explanation:

A. $18h^2 - 6h$

Both 18 and 6 are divisible by 6. GCF of h^2 and h is h. So GCF is 6h

B. $3 − 9h$

3 and 9 are divisible by 3. So GCF is 3

C. $6h^2 − 2h$

6 and 2 are divisible by 2. GCF is not 3 here

D. $12h + 21h^2$

Both 12 and 21 are divisible by 3. GCF of h^2 and h is h

So GCF is 3h

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3 years ago

A website developer wished to analyze the clicks per day on their newly updated website. Let the mean number of clicks per day b

beks73 [17]

Answer:

Null Hypothesis, $H_0$ : $\mu$ = 200 clicks a day

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Step-by-step explanation:

We are given that a website developer wished to analyze the clicks per day on their newly updated website.

The website developer wants to know if the number of clicks per day is different than 200 clicks a day, on average.

Let $\mu$ = mean number of clicks per day.

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4 0

4 years ago

Read 2 more answers

The sum of x and y is 12. Write an equation that represents the situation.

aleksandrvk [35]

Answer:

x + y = 12

Step-by-step explanation:

sum means addition so if the question is right

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7 0

3 years ago

After taxes, Alexandra's take home pay is 3 10 of her salary before taxes. Enter and solve an equation to find Alexandra's salar

s2008m [1.1K]

Answer:

The equation is 3/10 × s = 162

Alexandra's salary before taxes for the pay period was $540

Step-by-step explanation:

Let

Alexander's salary before taxes

3/10 if Alexander's take home pay is $162 after taxes

3/10 of s = $162

The equation is

3/10 × s = 162

Divide both sides by 3/10

s = 162 ÷ 3/10

= 162 × 10/3

= 1620 / 3

= $540

Alexandra's salary before taxes for the pay period was $540

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4 years ago

Joni’s hair is 13 inches long and grows at an average rate of ⅔ in per month. Her friend Kate’s hair is 16 inches long and grows

Gelneren [198K]

<h3>18 months will pass before the two friends have the same hair length</h3>

Solution:

Let "x" be the number of months

Joni’s hair is 13 inches long and grows at an average rate of ⅔ in per month

$Equation : 13 + \frac{2}{3}x ------- eqn\ 1$

Her friend Kate’s hair is 16 inches long and grows at an average rate of ½ in per month

$Equation: 16 + \frac{1}{2}x ----- eqn\ 2$

For two friends to have the same hair length, eqn 1 must be equal to eqn 2

$13 + \frac{2x}{3} = 16 + \frac{x}{2}\\\\\frac{2x}{3} - \frac{x}{2} = 16 - 13\\\\\frac{4x}{6} - \frac{3x}{6} = 3\\\\x = 18$

Thus 18 months will pass before the two friends have the same hair length

5 0

3 years ago