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Anettt [7]
3 years ago
9

How would you simplify (-4r^5)(2r^8)? ​

Mathematics
1 answer:
german3 years ago
8 0

Answer:

− 8 r^ 13

Step-by-step explanation:

Combine like terms

-4r and 2r= -8r

then add the exponents

5+8=13

THEN SIMPLIFY

-8r^13

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Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.
In-s [12.5K]

Answer:

C

Step-by-step explanation:

We are given

The student council earned $1.25 for every cup of hot chocolate it sold

and $0.75 for every cup of apple cider it sold

total number of cup is 375

We can see that first term is 1.25x

and we have

The student council earned $1.25 for every cup of hot chocolate

so, to find total cost of hot chocolate , we multiplied 1.25 with x

that's why

x must be the number of cups of hot chocolate sold

So the answer must be C

7 0
3 years ago
LIVE TEST NEED HELP Several students made comments about this image C B D Which comment is true? "If I know the measures of A an
Harlamova29_29 [7]
The last two are correct: “If I know the measures of Angles C and B, I can find the angles of A and D.” and “If I know the measure of angle A, I can find the measure of angle D by subtracting from 180”
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3 0
3 years ago
Apply your knowledge of square roots to solve equations involving them. Show your step-by-step solution. Remember, each problem
Elena L [17]
Remember to include the positive and negative roots


(7x-2)^2=256
sqrt both sides
7x-2=+/-16
add 2 to both sides
7x=2+/-16
divdide both sides by 7
x=(2+/-16)/7)

x=(2+16)/7=18/7=2 and 4/7
x=(2-16)/7=-14/7=-2

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3 0
2 years ago
How do you factor x squared minus 100
Alina [70]

Answer:

(x - 10)(x + 10)

Step-by-step explanation:

x² - 100 ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

Hence

x² - 100

= x² - 10² = (x - 10)(x + 10)

6 0
3 years ago
1) What are the solutions of (x/3) &gt; -1? <br><br>is this asking if I need multiple solutions?​
BartSMP [9]

Yes...

x/3 > -1

what values of x make x/3 > -1

hint... your answer will look like like x > (number)

7 0
2 years ago
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