The answer is 64. You must follow the order of operations, so you do what is in the parenthesis first. 15-7=8 and 5+3=8. Once you calculate that, you do 8×8=64.
Answer:
I think it would be dream shopping if you are good at math. If you are bad it's a real nightmare. At least that's what I think
9514 1404 393
Answer:
10
Step-by-step explanation:
The distance formula is useful.
d = √((x2 -x1)^2 +(y2 -y1)^2)
d = √((7 -1)^2 +(12 -4)^2) = √(6^2 +8^2) = √(36 +64) = √100
d = 10
The distance between P and Q is 10.
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<em>Additional comment</em>
You may recognize the run : rise ratio of 6 : 8 = 3 : 4. This suggests a 3-4-5 right triangle with a scale factor of 2. If you're familiar with that Pythagorean triple, you can write down the answer as soon as you see the rise and run numbers.
Answer:
It could be 2:5 or 6pi:15pi
Step-by-step explanation:
If you write the ratio of the surface area as a fraction, you would get 
. Simplifying it would leave 
. But this is NOT the answer because that is the ratio of the surface area. You have to square root it to find the scale factor. The square root is 
. The answers would be 2:5 and 6pi:15pi.
