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mixer [17]
3 years ago
12

Peter is in a walk-a-thon he walks kilometers per hour. if he for 6 hours about how far will he walk.​

Mathematics
1 answer:
asambeis [7]3 years ago
5 0

Answer:

I think you might be missing a part of this problem. You can not figure out how far he walks if you do not know how much he walks in a mile.

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deff fn [24]
I believe it would be 84. I think you have to do length times width
7 0
3 years ago
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12
My name is Ann [436]
I would say it’s the first one because if you round it it is going to be approximately 12 so that is my reason and also why it isn’t number two is because if you subtract 13.26 and 7.98 you get 5. Something so that’s why
4 0
3 years ago
Find the exact value of cos 157.5°.
Nonamiya [84]
Cos 157.5º=-cos (180º-157.5º)=-cos 22.5=-cos(45/2)

cos Ф/2=⁺₋√((1+cosФ)/2).

In this case 157.5º is in the second quadrant, therefore we use the following equation:
cos Ф/2=-√((1+cosФ)/2).          (we will have a negative number)

cos 157.5º=-cos (45/2)=-√((1+cos 45º)/2)
=-√((1+√2/2)/2)
=-√((2+√2)/4)
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Answer: cos 157.5º= -√(2+√2) / 2

3 0
3 years ago
I need help explaining, this homeschool work so hard!! ​
lapo4ka [179]

Answer:

61

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(7 + 5) + 4 * 13 - 2

~Simplify using PEMDAS

12 + 4 * 13 - 2

12 + 52 - 3

64 - 3

61

Best of Luck~

4 0
2 years ago
Solve the system of equations:<br><br> (1) x - y = 3<br><br> (2) 7x - y = -3
arlik [135]

Answer:

x= 70

and y = 67 then

-70-67 =-3

4 0
2 years ago
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