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iVinArrow [24]
3 years ago
10

HELP I SUCK SO BAD AT MATH ITS DUE TOMORROW!!!!!

Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0
11. 1/81
12. 1/512
13. 1/81
14. 1/125
17. 1/72
18. 189/625
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What is the answer of this attachment:
Solnce55 [7]

Answer:

(B) 2

Step-by-step explanation:

=> \frac{\sqrt{32}+ \sqrt{48} }{\sqrt{8}+\sqrt{12}  }

=> \frac{4\sqrt{2}+4\sqrt{3}  }{2\sqrt{2}+2\sqrt{3}  }

=> \frac{4(\sqrt{2}+\sqrt{3})  }{2(\sqrt{2}+\sqrt{3)}  }

Cancelling \sqrt{2}+\sqrt{3}

=> \frac{4}{2}

=> 2

4 0
3 years ago
Find the solution of the system of equations.<br>- 3x + 10y = 17<br>3x + 7y = 17​
atroni [7]

Answer:

x=1, y=2. (1, 2).

Step-by-step explanation:

-3x+10y=17

3x+7y=17

---------------

17y=34

y=34/17

y=2

3x+7(2)=17

3x+14=17

3x=17-14

3x=3

x=3/3

x=1

5 0
3 years ago
Read 2 more answers
Jimmy has listed the amount of money in his wallet for each of the last ten days. He decides to remove day 7, as that was payday
abruzzese [7]

Answer:

The mean will reduce

Step-by-step explanation:

The total amount of money for the ten days divided by number of days will give mean 1, M₁

Removing the value for day seven will reduce the sum of money as it will be for 9 days only.In finding the mean, you will divide by 9 days to get mean M₂

Mean M₂ < M₁

8 0
3 years ago
What information is needed in order to solve problems using the Pythagorean theorem?
gladu [14]
You would need to know the length of two sides either a2, b2, c2. you would also need to know what sides you are solving for, either one of the legs or hypotenuse. hope this helps, if you know how to solve a Pythagorean theorem problem this should be easy to answer

8 0
3 years ago
A school wants to buy a chalkboard that measures 3 feet by 4 feet the chalkboard cost $6.14 per square foot. How much will the c
ElenaW [278]

Answer:

$49.12

Step-by-step explanation:

8 0
3 years ago
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