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saveliy_v [14]
3 years ago
10

For 4 weeks, William volunteered as a helper for swimming classes. The first week, he volunteered for 8 hours. He volunteered fo

r 12 hours in the second week, and another 12 hours in the third week. The fourth week, he volunteered for 9 hours. For how many hours did he volunteer per week, on average?
Mathematics
1 answer:
frutty [35]3 years ago
7 0
10.25 hours on average

8+12+12+9=41

41/4= 10.25
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Im desperate! please help!
djyliett [7]
I would go with A. An estimate.



This may not be the right answer but Good Luck!
6 0
3 years ago
Find the point that splits segment AB in half if point A is located at (4,3) and point B is located at
musickatia [10]

Answer:

(1, 4.5 )

Step-by-step explanation:

The required point is at the midpoint of AB

Use the midpoint formula

Given A(4, 3) and B(- 2, 6 ), then

midpoint = [ 0.5(4 - 2), 0.5(3 + 6) ] = (1, 4.5 )

5 0
3 years ago
Read 2 more answers
Find the value of x if ∡A and ∡B are supplementary angles.
Elanso [62]

Answer:

x = 30.5

Step-by-step explanation:

Two angles are supplementary when they add up to 180°.

So we know that:

C + D = 180

Supplanting we get:

(3x-44) + (5x-20) = 180

We add up the X's.

8x-44-20 = 180

8x-64 = 180

Then we send 64 to the other side adding:

8x = 180+64

8x = 180+64

8x = 244

And then the 8 goes dividing:

x = 244 : 8

x = 30.5

3 0
3 years ago
A fireworks store is offering 15% off all fireworks. If you come to the store on the fourth of July, you get an extra 15% off th
MrRa [10]
15% off all fireworks
extra 15% off on July Fourth.

$112.25*.15= 16.8375
112.25-16.8375= 95.1625 *.15= 14.274375
95.1625-14.274375= 80.888125

$80.89 is the price.
3 0
2 years ago
You roll a standard number cube one time and you spin a spinner with one through eight on and equal sections what is the probabi
Misha Larkins [42]

Answer: 50%

Step-by-step explanation: theres 6 sides to a standard cube and 3 are even numbers, 3/6 is 50%

3 0
3 years ago
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