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Dafna1 [17]
3 years ago
11

1 point

Mathematics
1 answer:
Over [174]3 years ago
3 0
Answer:8

Step by step explanation
So we calculate the range by subtracting the highest score by the lowest score.
In this case the highest score is twelve.
Whereas, the lowest score is four
Then, we minus twelve by four to get an answer of eight
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I need help with number 12 I’ll rate 5 stars if you help
Brrunno [24]

Answer:

0.25in.

Step-by-step explanation:

5÷20=0.25in.

8 0
3 years ago
If you help me i will love you
blagie [28]
You must first normalize this in order to use a Z-score table. To convert what you have into a Z score you must use this formula: (x- mean) /standard deviation. In your case (334-310)/12=2. So now you want the probability that a score is greater than 334, which in turn means you want P(Z>2)=1-P(Z<2)=1-.9772=0.0228=2.28%.
5 0
3 years ago
Solution q-2r=4<br> q+r=37
GenaCL600 [577]
Q-2r=4, therefore: q=4+2r.

Plug the value of q into q+r=37, so you get:

4+2r+r=37

3r=37-4=33

3r=33

Therefore: r=11.

q-2r=4, but r=11, so:

q-2(11)=4

q-22=4

Therefore q=26.

Check if the answer is correct using second equation:

q=4+2r=4+2(11)=4+22=26.

So: q=26 and r=11.


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x * x * x * x * x * x * x * x * x * x * x * x

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