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nikdorinn [45]
3 years ago
8

The Boyle family drove at an average speed of 60 miles per hour. They drove for 4 hours. How far did the Boyle family drive?

Mathematics
1 answer:
sweet [91]3 years ago
7 0

Answer:

240 miles?

Step-by-step explanation:

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Which is a correct first step for solving this equation?<br> 2 + 7 = 2x + 5 – 4x
Mariulka [41]

Step-by-step explanation:

Bringing like terms on one side

2 + 7 - 5 = 2x - 4x

9 - 5 = - 2x

4 = - 2x

4/ - 2 = x

- 2 = x

4 0
3 years ago
Find the solutions x2 = 27​
Aneli [31]

Answer:

27  divided by 3 is 9

27 divided by 2 is 13.5

x = 13.5

Re written...

(13.5)2 = 27

make sense?

7 0
3 years ago
Convert into a decimal degree measure. 165° 37' 44"
andrew11 [14]

Answer:

165.628° (The 8 has a line over it signalizing that it repeats forever, but I didn't know how to put it in.)

Step-by-step explanation:

Since 165 is whole number, it is a full degree. Since each minute is equal to 1/60 degrees, you need to multiply 37 by 1/60. Since each second is equal to 1/3600 degrees, multiply it 1/3600 by 44. Add them all together.

165 + 37 x 1/60 + 44 x 1/3600

simplify: 74533/450

Convert the fraction into a decimal by dividing the numerator by the denominator and you get 165.628° (with a repeating 8).

4 0
3 years ago
Which multiplication expression is equivalent to
bearhunter [10]

Answer:

x=0.5×1±√33

Step-by-step explanation:

x+8=x² and 2(x+8)=2x²

x²-x-8=0

8 0
2 years ago
If there are 40% of girls and 250 are boys, find
oee [108]

Step-by-step answer:

If there are 40% students that are girls , and the rest are 250 boys. Then that must mean there are 60% boys. Because that is the compliment.

i)

Because we know that 60% of the people in the group are boys, and that the amount of boys amounts to 250, we can model an equation like this.

Total * 0.6 = 250.

Total = 250/0.6

Total = 417

There are 417 students

ii)

Because we know that the total amount is 417, we can find the amount of girls there are by multiplying the total by the percentage.

417 * 0.4 = 167

There are 167 students that are girls.

8 0
2 years ago
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