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Nata [24]
3 years ago
7

7. One day in Mayville, the temperature went from -11F at 4 AM to 28°F at 2 PM. How many degrees did the temperature rise?​

Mathematics
1 answer:
viva [34]3 years ago
6 0

Answer:

23

Step-by-step explanation:

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Collen family plans to paint the window of their house. her father will paint twice as many window as her mother, and collen and
valina [46]

Answer:

21 windows

Step-by-step explanation:

collen family plans to paint the windows of their house. her father will paint twice as many windows as her mother, and collen and her 2 brothers will paint an equal number of the rest of the windows. Colleen decided to do her own share and her mother's share and paints 7 window, which is one less than her father's share. how many windows are in their house?

Answer: Let the number of window Collen father would paint be a while that of her mother be b. Since her father will paint twice as many window as her mother, therefore the number of windows painted by the father a = 2b

Let the number of windows that would be needed to be painted each by Colleen and her 2 brothers be c because they would paint the equal number of windows.

The total number of windows to be painted = 2b + b + c + c + c = 3b + 3c = 3(b + c).

Collen painted 7 windows as her mother and her own share which is one less than the fathers share. Therefore b + c = 7.

Also the fathers share a = 2b = 7 + 1 = 8 windows. Therefore b = 4 which is the mother share

Therefore the total number of windows = 3(b + c) = 3(7) = 21 windows

3b + 3c =  21

3(4) + 3c = 21

12 + 3c = 21

3c = 21 - 12

3c = 9

c = 3 which is collen and her brothers share

6 0
3 years ago
Solve for x<br><br>4x+6-7+9=18​
Alla [95]

here is your ans have a nice day

6 0
3 years ago
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Round the fraction or mixed number to the nearest 1/2 ( each one)
MAXImum [283]
1, 4, 100 1/2, 4 1/2, 5
3 0
3 years ago
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Volume = 154 cm cubic
zheka24 [161]

Cylinder Volume

  • Level : JHS

V = hπr²

154 cm³ = 16 cm × 3.14 × r²

154 cm³ = 50.28 cm × r²

r² = 154 cm³ : 50.28 cm

r² = 3.0625 cm²

r = 1.75 cm

d = 2r

d = 2 × 1.75 cm

d = 3.5 cm

So, the diameter of the Cylinder is 3.5 cm

#LearnWithEXO

8 0
3 years ago
Which of the fallowing is a even number 25, 28, 31, 37
irga5000 [103]
Even numbers end with 2,4,6,8, or 0. Thus, 28 is the even number.
8 0
3 years ago
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