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AlladinOne [14]
3 years ago
7

Please help would mean a lot :?)

Mathematics
2 answers:
Ray Of Light [21]3 years ago
5 0
A I think I don't know what your doing
ankoles [38]3 years ago
3 0
The answer is D

To find the mean of something, you have to add up all the numbers and then divide the sum by the amount of numbers you have.
- 10 +  - 30 +  - 25 + 15 + 35 =   \\  - 15 \\  - 15 \div 5 = 3
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Please help! I need to work out the size of angle x.
kari74 [83]

Answer:

  • 50+x=120°{ sum of interior angle of a triangle is equal to the exterior opposite angle of a triangle
  • x=120-50
  • x=70°

hope it helps.

4 0
3 years ago
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What value of x makes the equation − 1 3 x + 6 = − 6 + 2 3 x true?
kkurt [141]

Answer:

4

Step-by-step explanation:

8 0
3 years ago
2) Which two statements are not true?
GalinKa [24]

Answer:

A repeating decimal is not a rational number and The product of two irrational numbers is always rational

Step-by-step explanation:

One statement that is not true is "The product of two irrational numbers is always rational". Take for example the irrational numbers √2 and √3. Their product is √6 which is also irrational.

The other false statement is "A repeating decimal is not a rational number". Take for example the repeating decimal 0.33333..... It can be written as 1/3 which is a rational number.

3 0
3 years ago
What is exact area of circle with radius=7.
Illusion [34]
153.94 is the area of a circle
7 0
3 years ago
Read 2 more answers
Please do number 23.
liraira [26]

Answer:

  165

Step-by-step explanation:

Let o and b represent the numbers of orchestra and balcony tickets bought, respectively.

  o + b ≥ 250 . . . . at least 250 tickets will be bought

  o = b - 80 . . . . .  there will be 80 fewer orchestra than balcony bought

Substituting for o, we have ...

  (b -80) +b ≥ 250

  2b ≥ 330 . . . . . . . add 80

  b ≥ 165 . . . . . . . . .divide by 2

The least number of balcony tickets the club could buy is 165.

5 0
3 years ago
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