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alisha [4.7K]
3 years ago
12

Pls help 10 pts t the first person

Mathematics
1 answer:
PolarNik [594]3 years ago
3 0

try 16 hours though sorry if its wrong

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A car travels at an average speed of 52 miles per hour. How long does it take to travel 299 miles
drek231 [11]
The answer should be 299/52=almost 6 hours.
6 0
3 years ago
What are the solutions to the following equation? select all that apply. 0= x^2 - x + 5
Dominik [7]

Answer:

I think it is a and f i could be wrong

Step-by-step explanation:

7 0
3 years ago
Which property of operation could you use to show whether 7y + 7b + 3y and 7(y x b) + 3b are equivalent or not
Dmitry_Shevchenko [17]

Answer and explanation:

They are not equivalent because if we simplify the second expression, the result isn't the same:

7(y×b)+3b

= 7(yb)+3b

=7yb + 3b

Therefore 7yb+3b≠7y+7b+3y

And even though you meant

7(y+b)+3b

=7y+7b+3b

=7y+10b

7y+10b≠10y+7b

5 0
2 years ago
What is the mean of the set {4, 6, 8, 10}?
olga2289 [7]

Answer:

Step-by-step explanation:

8 I think

3 0
3 years ago
Read 2 more answers
The entrance hall in Black's family house has a perimeter of 71 2/3 ft.IF it is 9 2/5 ft wide, how long is it?
serious [3.7K]

Answer: 26 13/30 feet

Step-by-step explanation:

The hall is in the shape of a rectangle. The perimeter of a rectangle is:

= 2(length + width)

= 2l + 2w

Since perimeter = 71 2/3 ft and Width = 9 2/5 ft wide, the length will be calculated thus:

Perimeter = 2l + 2w

71⅔ = 2l + 2(9 2/5)

71 2/3 = 2l + (2 × 47/5)

71 2/3 = 2l + 94/5

71 2/3 = 2l + 18 4/5

Collect like terms

2l = 71 2/3 - 18 4/5

2l = 71 10/15 - 18 12/15

2l = 52 13/15

l = (52 13/15 ÷ 2)

l = 793/15 × 1/2

l = 793/30

l = 26 13/30

Therefore, the length is 26 13/30ft

3 0
3 years ago
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