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Lemur [1.5K]
3 years ago
9

Find the sum of (x^2+6x-5)+(2x^2+15)

Mathematics
1 answer:
defon3 years ago
5 0

Answer:

3x²+6x+10 is your answer

Step-by-step explanation:

(x^2+6x-5)+(2x^2+15)

open bracket

x²+6x-5+2x²+15

add or subtract common

3x²+6x+10

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NEED HELP ON THIS . THANKS FOR THE HELP
Vedmedyk [2.9K]
\dfrac{1.4\cdot10^5}{3.5\cdot10^3}=\dfrac{1.4}{3.5}\cdot10^{5-3}=0.4\cdot10^2=0.4\cdot100=40
The diameter of Jupiter is about 40 times the diameter of Earth's moon.

5 0
3 years ago
one group of friends has 5 cookies to share between 3 people.a second group of friends has 8 cookies to share between 6 people.w
Paul [167]
Group 1:-
5 cookies
3 people
5/3

Group 2:
8 cookies
6 people
8/6

Group 1 each person gets 5/3 and in group 2 each person gets 8/6.

Which is more?

5/3

5 ÷ 3 ≈ 1.6

8/6

8 ÷ 6 ≈ 1.3

Is 1.3 more or 1.6?

1.6 is more.

5/3 (group 1) receive more. 
8 0
3 years ago
What is the area<br> of circle <br><br><br><br>with a diameterms of 10 m​
pentagon [3]

Answer:

exact area = 25(pi) m^2

approximate area = 78.54 m^2

Step-by-step explanation:

diameter = 10 m

radius = diameter/2 = 10 m / 2 = 5 m

area = (pi)r^2

area = (pi)(5 m)^2

area = 25(pi) m^2

area = 78.54 m^2

6 0
3 years ago
What is the GCF of h4 and 18?<br> Oh2<br> Oh4<br> O 18<br> O 12
stich3 [128]

Answer:

hi your cute

Step-by-step explanation:

can i get your snap

5 0
3 years ago
Read 2 more answers
(9x +1) 45 = (x+5) 14
ipn [44]
Use the website math papa it’ll give you the answers for your problem I promise!! Have a good day :)
5 0
3 years ago
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