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Zolol [24]
3 years ago
10

What is the equal number 5 tens and 13 ones

Mathematics
1 answer:
serg [7]3 years ago
4 0
63

5x10=50

13x1=13

50+13=63
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If a person bikes 6 miles in 15 minutes, how far can she bike in 1.5 hours?
Natalka [10]

Answer:

36\:miles

Step-by-step explanation:

There is <em>one-and-a-half</em> <em>hour</em> in <em>ninety</em><em> </em><em>minutes</em>,<em> </em>so multiply 6 by 15 to get 90, then whatever is done to the bottom is also done to the top, so you <em>square</em> 6 to get 36.

I am joyous to assist you anytime.

8 0
3 years ago
Solve the following proportion? 5/10 = 8/w​
Kipish [7]

Answer:

Step-by-step explanation:

solve the following proportion?

5/10 = 8/w​

5 : 10 = 8 : w

w = (10 * 8) : 5

w = 80 : 5

w = 16

----------------------

check

5 : 10 = 8 : 16

0.5 = 0.5

The answer is good

3 0
2 years ago
Help ASAP I need help with this
Ulleksa [173]

Draw 27 circles and take off 4.5 circles for every hour. The answer will be 6 hrs.

Expression:

-27/-4.5 I believe

7 0
3 years ago
In a study, the sample is chosen by pulling 50 names from a hat What is the sampling method?
Irina18 [472]

Answer:Simple random sample

Step-by-step explanation:

A simple random sample is a subset of a statistical population in which each member of the subset has an equal probability of being chosen. A simple random sample is meant to be an unbiased representation of a group.

NOTE:

No easier method exists to extract a research sample from a larger population than simple random sampling. Selecting subjects completely at random from the larger population also yields a sample that is representative of the group being studied.

6 0
3 years ago
A sphere has a volume of V=900 in cubed. What is the surface area?
ycow [4]
First, we must solve for the radius of the sphere:
V=\frac{4}{3}\pir^{3}
r=(3\frac{V}{4 \pi })^{ \frac{1}{3} }
r=(3*\frac{900}{4 \pi })^{ \frac{1}{3} }
r≈5.99

Second, we must solve for surface area:
A=4\pir^{2}
A=4*\pi*5.99^{2}
A≈450.88 in^{2}
4 0
3 years ago
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