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Masja [62]
3 years ago
7

Two cars leave the same place at the same time, but drive in opposite directions along a straight road. One car averages 55 mi/h

and the other averages 65 mi/h. In how many hours will they be 250 miles apart?
Mathematics
1 answer:
taurus [48]3 years ago
4 0

Answer:

The answer is 2.083 repeating.

Step-by-step explanation:

55+65=120

250/120=2.083 repeating.

55*2.083=114.565

65*2.083=135.395

114.565+135.395=249.96

Which I didn't keep all the 3's, so that is why it is 249.96

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What is the approximate volume of this sphere?
Lelu [443]

Answer: The correct answer is B. 523.3...cm^3

Step-by-step explanation:

4/3*pi*r^3 is the formula

first, divide the diameter by 2 to get the radius, now, you will begin solving.

4/3*5^3*3.14

5*5*5=125

4/3*125*3.14

125*3.14=392.5

4/3*392.5

523.3...

6 0
2 years ago
malia is at an amusement park she bought 14 tickets and each ride requires 2 tickets write an expression that gives a number of
seraphim [82]
Ok, so she has 14 tickets and each ride cost 2 so that can be modeled with the following expression: x= 14-2y since she initially bought 14 tickets and 2 times the number of tickets she spends. To find the equivalent expression you could basically switch up the formula like so: 7*2-2y=x because you just need an equivalent expression, and you don't need to have such a different formula or anything like that. Hope I helped!
7 0
3 years ago
When four fifths 4 5 of a number is subtracted from 1414​, the result is 22. find the number?
galben [10]
If we say:
x = the number we want to find
Then, we can formulate an equation using the information given:
1414 - 4x/5 = 4
Now, we just solve for x:
4x/5 + 4 = 1414
4x/5 = 1410
4x = 7050
x = 1762.5
8 0
2 years ago
Solve the following equation for x: 6(4x + 5) = 3(x + 8) + 3. Round to the nearest hundredth.
Vera_Pavlovna [14]

Answer:

\boxed {x = -\frac{1}{7}}

Step-by-step explanation:

Solve for the value of x:

6(4x + 5) = 3(x + 8) + 3

-Use <u>Distributive Property</u>:

6(4x + 5) = 3(x + 8) + 3

24x + 30 = 3x + 24 + 3

-Combine like terms:

24x + 30 = 3x + 24 + 3

24x + 30 = 3x + 27

-Take 3x and subtract it from 24x:

24x + 30 -3x = 3x - 3x + 27

21x + 30 = 27

-Subtract both sides by 30:

21x + 30 - 30 = 27 - 30

21x = -3

-Divide both sides by 21:

\frac{21x}{21} = \frac{-3}{21}

x = \frac{-3}{21}

-Reduce the fraction to the lowest term by extracting and canceling out 3:

x = \frac{-3\div3}{21 \div 3}

\boxed {x = -\frac{1}{7}}

Therefore, the value of x is -\frac{1}{7}.

5 0
3 years ago
Help please! Explain
arlik [135]

Answer:

answer is the first one or the 3rd one

Step-by-step explanation:

hope this helped :b

6 0
2 years ago
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