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Vikki [24]
2 years ago
8

0 113 / 205 Marks Find the mean of the following numbers: 7 21 2 17 3 13 7 4 9 7 9 ​

Mathematics
2 answers:
ANEK [815]2 years ago
3 0

Answer:

9

Step-by-step explanation:

7+21+2+17+3+13+7+4+9+7+9=99

there are 11 numbers so you should 99 divided by 11

so answer is 9

8_murik_8 [283]2 years ago
3 0

Answer:

Mean = 9

Step-by-step explanation:

Mean = Sum of given values/ No. of given values

Sum = 2+3+4+7+7+7+9+9+13+17+21

= 99

n = 11

Mean = 99/ 11

= 9

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87-(36.5-11.5)*(-3)+9 simplify using order of operations
OLga [1]
Remember PEMDAS 
Do parentheses, results in 25. So whats left is 87-25*(-3)+9
Then you multiply -25 by -3, answer is 75.        87+75+9
Add all of them up.                                                171
The answer is 171!
5 0
3 years ago
Read 2 more answers
What are the zeros of the function f(x) = (3x^2 + 9x + 6) / (3x - 6) ?
cricket20 [7]
3x^2 + 9x + 6 = 0
3x^2 + 3x + 6x + 6 = 0
3x(x + 1) + 6(x + 1) = 0
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6 0
3 years ago
What is the weight of a glider with a mass of 5.7 grams? Hint: watch your units!
ohaa [14]

Answer:0.0057

Step-by-step explanation:

4 0
3 years ago
Please help will give brainliest ​
Ksju [112]

Answer:

a² = 144

b² = 25

c² = 169

c = 13

Step-by-step explanation:

• a² = 12×12

= 144

• b² = 5×5

= 25

• a² + b² = c²

= 144 + 25 = 169

• c = _/169

= 13

6 0
3 years ago
What’s the answer to 4cx-b=5b when solving for x?
rusak2 [61]

Answer:

x = <u>3</u><u>b</u>

2c

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

5 0
3 years ago
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