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Natasha2012 [34]
3 years ago
15

Pls help

Mathematics
2 answers:
bazaltina [42]3 years ago
5 0
To find area of a circle it’s radius x radius x pi so 380
ad-work [718]3 years ago
3 0
Pi is a good game but i’m is ur mad annoying and ur mad ur friends and ur friends are playing it
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Cheryl wants to find the number of hours seventh-graders do homework each week. There are 297 boys and girls in seventh grade. I
Dafna1 [17]
There are a total of 297 students in the 7th grade. Rough estimates would say that about half of that number are boys and half are girls. Asking only 50 random girls would be biased because not only would it not be all of the girls (the number of girls would be around 148 or 149) but it would also be ignoring the roughly 148 to 149 boys there are on estimate. The sample would be biased because it would be ignoring the opinions of more than half the seventh grade.
8 0
3 years ago
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Mr.Davis drives 496 miles in eight hours. At this rate, how many miles does he drive in six hours?
Lynna [10]

Answer:

Step-by-step explanation:

496m=8h

Figure for 1 hour.

496/8=62

Now do

62x6=372m

Yes, you are correct.

3 0
2 years ago
Find the solutions to the equation below . Check all that apply . X^2-4=0
KatRina [158]

Answer:

there are 2 solutions in total

Step-by-step explanation:

x^2-4=0

x^2=4

x= ±2<em>i</em>

5 0
3 years ago
Read 2 more answers
Someone help and please make sure it’s right
prohojiy [21]

Answer:

4

Step-by-step explanation:

The three angles in a triangle measure 180°. So add the the 2 known angles 70° + 63° = 133. Then subtract it from 180° to get the unknown angle 180 - 133 = 47.

Now that we know the third angle is 47 we find which number that when multiplied by 11 and 3 is added to that number you get 47.

11×4+3 = 47

Therefore l, the answer is 4

6 0
3 years ago
What is the answer to -(5) to the power of two<br>PS Number 6
Damm [24]

Evaluate -(5)^2. Note that Order of Operations rules (PEMDAS) require that we perform exponentiation before multiplication.

Therefore, we evaluate 5^2 first, obtaining 25, and after that multiply this result by -1.


-(5)^2 = -25

6 0
3 years ago
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