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hjlf
3 years ago
9

Which choice is equivalent to expresision below?

Mathematics
1 answer:
DIA [1.3K]3 years ago
5 0

We can simplfiy to be -\sqrt{100}

\sqrt{-1} * \sqrt{100}.

We know that \sqrt{100} is 10 and -1 is i, so the answer is 10i, or D.


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Solve this problem8s-(8+6s)=20
zhannawk [14.2K]
8s-(8+6s)=20\\
8s-8-6s=20\\
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4 0
3 years ago
A cylinder and a cone have the same height and radius.
guajiro [1.7K]

Answer:

Step-by-step explanation:

Cylinder

Formula

V = pi * r^2 * h

r = 2

h = 5

pi = 3.14

V = 3.14 * 2^2 * 5

V = 62.8 cm^3

Cone

V = 1/3 * pi * r^2 * h

Same answer as the cylinder only take 1/3 of it.

V = 1/3 * 62.8

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8 0
2 years ago
A car travels the 120 miles from A to B at 60 miles per hour, and then returns to A on the same road. If the average rate of the
inessss [21]

Outbound Trip 120 miles 60 mph equals 2 hours

Return Trip 120 miles

Total Trip 240 miles at 45 mph average speed

Total time = distance / rate = 240 / 45 = 5.3333333333 Hours

The return trip of 120 miles takes (5.3333333333 Hours MINUS 2 hours)

Return Trip Speed = 120 / 3.333333333 = 36 miles per hour


5 0
4 years ago
Round this number to the nearest 100 38288
N76 [4]
The answer to this is 38300 hope this helped
8 0
3 years ago
Read 2 more answers
Mary’s mother invested in an internet stock the price went up and down over the next few months: +32, -10 +13 -25 at the end of
babunello [35]

Answer:

higher

Step-by-step explanation:

add all of these numbers, if the sum is positive it is higher, if the sum is negative it is lower

32-10+13-25=10, this is positive so it is higher

8 0
3 years ago
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