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3 years ago

Can you factor the GCF: 21x3y4 + 15x2y2 − 12xy3?

Mathematics

1 answer:

OLga [1]3 years ago

3 0

3xy^2(7(x^2)(y^2)+5x-4y)

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Solve the following equation for h.<br> r+3Q/h=t

Arada [10]

Answer:

$\bold{h=\dfrac{3Q}{t-r}}$

Step-by-step explanation:

$\bold{r+\frac{3Q}h=t}\\-r\qquad\ -r\\\bold{\frac{3Q}h=t-r}\\\cdot h\qquad \cdot h\\ \bold{3Q=(t-r)h}\\^{\div(t-r)\quad\div(t-r)}\\\bold{\dfrac{3Q}{t-r}=h}$

Or, if you mean (r+3Q)/h=t:

$\bold{\frac{r+3Q}h=t}\\{}\ \ \cdot h\quad\ \cdot h\\\bold{r+3Q=ht}\\{}\ \ \div t\qquad \div t\\\bold{\dfrac{r+3Q}{t}=h}\\\\\bold{h=\dfrac{r+3Q}{t}}$

4 0

3 years ago

The ratio of men's to women's at a lecture is 2 to 5. If there is 25 women's how many men's are there

andriy [413]

Answer:

Step-by-step explanation:

because 25 is 5 times as much so you multiply 5 by 2 and you get 10.

7 0

3 years ago

Help! in 20P9 what does the 9 represent?

Alex777 [14]

Answer:

Step-by-step explanation:

Good question. It is important to know the answer.

The 9 means that there are a total of 20 objects. You want to select just 9 of them.

The situation is well described by C.

6 0

3 years ago

Fitness Your goal is to take at least 10,000 steps per day. According to your pedometer, you have walked 527 4 steps. Write and

Archy [21]

The inequality is x + 5274 ≥ 10,000.

The total number of steps I have to take to reach my goal is 4726.

<h3>How many more steps do I have to take?</h3>

Here are inequality signs and what they mean:

> means greater than
< means less than
≥ means greater than or equal to
≤ less than or equal to

Number of steps I have to take + number of steps I have taken ≥Total steps

X + 5274 + x ≥ 10,000

x ≥ 10,000 - 5274

x ≥ 4726

To learn more about inequality, please check: brainly.com/question/5031619

#SPJ1

5 0

2 years ago

Who can solve this in 1 min 5678÷78

andreev551 [17]

It is 72.7948718

~Hope that helped!~

~Izzy <3

5 0

3 years ago