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3 years ago

Factor out in steps. . 3p^2-2p-5.

Mathematics

2 answers:

Andrew [12]3 years ago

7 0

so 1st we have to break the mid term
3p2 - 5p + 3p - 5
 (p+1) • (3p-5)

inn [45]3 years ago

6 0

$3p^2-2p-5=3p^2-5p+3p-5=p(3p-5)+1(3p-5)\\\\=\boxed{(3p-5)(p-1)}$

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How to find the perimeter and area

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3 years ago

15) 4+4(v - 6) <-29+ v what’s v =

MA_775_DIABLO [31]

Answer:

The answer is: v < -3. So any number less than -3 fulfills the inequality.

Step-by-step explanation:

4 + 4(v - 6) < -29 + v

4 + 4v - 24 < -29 + v

4v - 20 < -29 + v

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3 years ago

How much would $300 invested at 7% interest compounded continuously be

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3 years ago

"joins" "together" Brad paints a house in 5 days. When his brother Nick joins him, they can paint a house in 3 days. How long do

Brilliant_brown [7]

Answer:

7.5 days.

Step-by-step explanation:

Let t represent time taken by Nick in days to paint the house alone.

Part of house painted by Nick in 1 day would be $\frac{1}{t}$ .

We have been given that Brad paints a house in 5 days, so part of house painted by Brad in 1 day would be $\frac{1}{5}$ .

We are also told that when Brad's brother Nick joins him, they can paint a house in 3 days. So part of house painted by both Brad and Nick together in 1 day would be $\frac{1}{3}$ .

Now, we will equate sum of work done by both brothers with $\frac{1}{3}$ to solve for t as:

$\frac{1}{t}+\frac{1}{5}=\frac{1}{3}$

$\frac{1}{t}\times 15t+\frac{1}{5}\times 15t=\frac{1}{3}\times 15t$

$15+3t=5t$

$15+3t-3t=5t-3t$

$15=2t$

$2t=15$

$\frac{2t}{2}=\frac{15}{2}$

$t=7.5$

Therefore, it will take 7.5 days for the Nick to paint the house alone.

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3 years ago

What is the approximate percentage of October's total sales that bicycles AND rollerblades accounted for?

svetoff [14.1K]

Answer:

64.7%

Step-by-step explanation:

By observation, 10 bicycles were sold in October.

23 rollerblades were sold in October.

18 skateboards were sold in October.

Percentage:

$\frac{b+r}{Total} *100$

$\frac{10+23}{10+23+18} *100=\frac{33}{51} *100= 64.7$ %

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3 years ago