Russell collected 30 stones at his grand parents' house. He decided to give his little sister 1 / 5 of the stones. How many stones did he give his sister?

Answers

Answer 1
Answer: he gives his sister 6 stones


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You have nickels,dimes,and quarters to make a call that costs $0.75 how many different combinations of coins can you use to pay for the call

Answers

17 possible combinations

1.
  3 quarters
2.  2 quarters, 1 dime, 1 nickel
3.  2 quarters, 3 nickels
4.  1 quarter, 5 dimes
5.  1 quarter, 4 dimes, 2 nickels
6.  1 quarter, 3 dimes, 4 nickels
7.  1 quarter, 2 dimes, 6 nickels
8.  1 quarter, 1 dime, 8 nickels
9.  1 quarter, 10 nickels
10.  7 dimes, 1 nickel
11.  6 dimes, 3 nickels
12.  5 dimes, 5 nickels
13.  4 dimes, 7 nickels
14.  3 dimes, 9 nickels
15.  2 dimes, 11 nickels
16.  1 dime, 13 nickels
17.  15 nickels

Reduce the ratio to its lowest form 45:20

Answers

sj.6894.yg is all the answer

The question in the file below from Khan Academy.

Answers

The area of a circle is found with the formula

a = pi×r^2

We have 2 circles. If we find the area of both then subtract the area of the smaller circle, that will leave us with the area of the shaded region.

Larger circle
a = pi×radius^2
a = 3.14 × 9^2
a = 3.14 × 81
a = 254.34 units^2

Smaller circle
a = pi×radius^2
a = 3.14 × 6^2
a = 3.14 × 36
a = 113.04 units^2

Subtract smaller circle from larger circle to get the area of the shaded region...

254.34 - 113.04 = 141.3

The question asks for the answer to the nearest hundredth so...

141.30 units^2

A train has an average speed of 18 miles per hour. How long will it take to travel 270 miles?

Answers

i believe the answer is 15 because if you divide 270/18 you get 15 
ratio and proportion

18 miles/1 hr= 270 miles/x hrs
cross multiply
18x= 270
   x= 15 hrs

hope this helps

Find the distance between (6,3) and, (6,-5). BRUH IT DIDNT EVEN GIVE ME A CHART??!?!! who ever answer ill give 15 points pleaseeeee

Answers

Answer:

8 units apart

Step-by-step explanation:

if you look at the grid and mark the numbers 3 and also -5 they are 8 units apart from each other

Answer:

8 units

Step-by-step explanation:

if you look at a grid and mark the numbers, 3 and -5 are 8 units apart.

How many times can 21 go into 336

Answers

336 divided by 21 = 16
21 can go into 336 16 times.