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Flauer [41]
3 years ago
10

Choose the product.

Mathematics
2 answers:
Grace [21]3 years ago
6 0
Answer is A, -20p^5-15p^4+5p^3
ValentinkaMS [17]3 years ago
3 0
Simply distribute, multiplying the coefficients and adding exponents when necessary...

<span>-5p^3 (4p^2 + 3p - 1)

The first term I'll explain then just do the rest

-20p^5 

because -5*4 = -20 and p^3 * p^2 = p^5. Since we are multiplying bases with exponents, we keep the bases and add the exponents, now for the rest of the expression

</span>-20p^5 -15p^4 + 5p^3, Option A.
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18. The distance that a freely falling object falls varies
SVETLANKA909090 [29]

Answer:

240 feet

Step-by-step explanation:

Given that,

The object falls 400 feet in 5 seconds.

We need to find how far it fall in 3 seconds.

5 seconds = 400 feet

1 second = 80 feet

So,

In 3 seconds,

d = (80×3) feet

= 240 feet

So, it will fall 240 feet in 3 seconds.

8 0
3 years ago
Scotty earns $35 for babysitting for 5 hours If Scotty charges The same rate,How many hours will it take him to earn $42?
3241004551 [841]
Scotty situation:
So Scotty earns $35 bucks for 5 hours so you’re going to have to find out what he earns for each hour.

35/5=$7 an hour

So to get to $42 in total you divide 42/7 which would give you six.

So it will take Scotty six hours to earn $42.


And 42/14=9/3

7 0
3 years ago
I need to be able to take a set of data, and find it's exponential function.​
N76 [4]

Answer:

The process below should work.

Step-by-step explanation:

Let's pretend we have these two points we are trying to find an exponential equation for:  (-2,6) and (2,1).

Exponential equations are of the form y=a \cdot b^x where we must find a and b.

So you enter both points into that equation giving you:

6=a \cdot b^{-2}

1=a \cdot b^{2}

I'm going to divide equation 1 by 2 because if I do the a's will cancel and I could solve or b.

\frac{6}{1}=\frac{a \cdot b^{-2}}{a \cdot b^2}

6=\frac{b^{-2}}{b^2}

By law of exponent, I can rewrite the right hand side:

6=b^{-2-2}

6=b^{-4}

Now do ^(-1/4) on both sides to solve for b:

6^\frac{-1}{4}=b

Now we use one of the equations along with our value for b to find a:

1=a \cdot b^2 with b=6^{\frac{-1}{4}}

1=a \cdot (6^{\frac{-1}{4}})^2

Simplify using law of exponents:

1=a \cdot 6^{-\frac{1}{2}}

Multiply both sides by 6^(1/2) to solve for a:

6^{\frac{1}{2}}=a

y=a \cdot b^x with a=6^{\frac{1}{2}} \text{ and } b=6^{\frac{-1}{4}} is:

y=6^\frac{1}{2} \cdot (6^{\frac{-1}{4})^x

We can simplify a smidgen:

y=6^\frac{1}{2} \cdot (6)^\frac{-x}{4}

7 0
4 years ago
What is k in 3/k = 4/5
JulsSmile [24]
3/k = 4/5
k = 3 divided by 4/5
k = 3.75
6 0
3 years ago
Read 2 more answers
Mark and Tony have a total of 121 baseball cards. Tony has 5 more than three times Mark's amount. How many cards does Mark have?
garik1379 [7]

Answer:

38.6666667

or 39

5 0
3 years ago
Read 2 more answers
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