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Sholpan [36]
3 years ago
15

How do you simply radicals

Mathematics
1 answer:
ahrayia [7]3 years ago
4 0
What r radicals????????
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Simplify the sum. (7u^3 + 8u^2 + 7) + (8u^3 – 3u + 7)
Maslowich

Answer:

15u^3 + 8u^2 - 6u + 13  

Step-by-step explanation:

(7u^3 + 8u^2 + 8) + (8u^3 - 6u + 5)  

= 7u^3 + 8u^2 + 8 + 8u^3 - 6u + 5  

= 7u^3 + 8u^3 + 8u^2 - 6u + 5 + 8  

*Now add the like terms  

= 15u^3 + 8u^2 - 6u + 13  

And that is all your can do!

6 0
3 years ago
Read 2 more answers
A wooden board is leaning against a house
kobusy [5.1K]

Answer:

24.4 feet

Explanation:

Let x be the length of the wooden board as shown in the diagram.

Using trigonometry ratio, we can write

\cos(35)=\frac{20}{x}

\implies0.819= \frac{20}{x}

cross multiplying we get:

0.819 \times x = 20

Diving through by 0.819, we obtain

x = 24.42

To the nearest tenth, x=24.4 feet.

6 0
3 years ago
If 8 out of 20 students in a class are boys,what percent of the class is made up of boys
lara31 [8.8K]

Answer:

40%

Step-by-step explanation:

First, divide 100 by 20. You do this because you need something out of 100 to equal a percent. (Example- 50 out of 100 is 50%)

Next you need to take the number you got from dividing (5) and multiply that with 8. This leaves you with 40/100 or 40%.

Hope this helps!

-Coconut;)

3 0
2 years ago
Mom has 4 red buttons dad has three blue buttons and and baby has green buttons. How many buttons doed the famiky have
Vladimir [108]

The answer will depend how many buttons does the baby have. You just have to add all the buttons together, and that will be your answer.

So 4+3+green buttons =the answer

8 0
2 years ago
PLEASE ANSWER THANK YOU SO MUCH GUYS:)
babunello [35]

Answer:

  • We khow that the company charges 0.75 dollars to each ship
  • so c= 0.75* p
  • when the price is reduced the equaton will be :
  • c= 0.7*p

4 0
3 years ago
Read 2 more answers
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