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Sergeeva-Olga [200]
4 years ago
12

Find the sum (3x^2+5x-8)+(5x^2-13x-5)

Mathematics
1 answer:
deff fn [24]4 years ago
5 0
Hello,
(3x²+5x-8)+(5x²-13x-5);
3x²+5x²+5x-13x-8-5;
You add up similar terms, you get it:
(3+5)x²+(5-13)x+(-8-5);
8x²-8x-13

Bye:-)
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What is the simplified expression for 3^3 x 3^3/ 3^4
Juli2301 [7.4K]

Answer:

9

Step-by-step explanation:

\frac{3^{6} }{3^{4} }

3^{2}

9

3 0
4 years ago
Is -24 a solution to the equation -16+2x=-64
S_A_V [24]

Answer:

It is a solution

Step-by-step explanation:

To check and see if it is a solution, we can substitute it in

-16 +2(-24) = -64

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Since this is true, it is a solution

3 0
4 years ago
Y varies jointly as x and z, and y = 32 m, x = 6 m, and z = 8 m. what is the value of y when x = 5 m and z = 12 m?
Fynjy0 [20]
As x = 5 & z=12, 

<span>2/3 = y /(xz) = y/(5*12) </span>

<span>= y/60 </span>

<span>so y / 60 = 2/3 </span>

<span>y = (2*60)/3 </span>

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4 0
4 years ago
What is the probability that a number selected from the numbers 1 to 15 is a multiple of 4?​
labwork [276]

Answer:

1/5

Step-by-step explanation:

probability = favorable outcomes/total outcomes

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1/5

5 0
2 years ago
# 6 Q. Find the volume of the cylinder to the nearest cubic foot.Use a calculator
Bogdan [553]
The volume of the <span>cylinder </span>= π r² h
r ⇒⇒⇒ radius
h ⇒⇒⇒ height

r = 5 ft   and   h = 3 ft
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rounding to the nearest ft² = 236 ft³

The fourth choice is the correct answer

6 0
4 years ago
Read 2 more answers
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