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3 years ago

Trevor needs a new bicycle tire. His tire has a circumference of about 113.04 inches. What is the diameter of his tire?

1 answer:

5 0

The formula for circumference is 2(pi)r, so first you would divide by 2, which is 56.52 (about) then divide by pi and you get 18. So the radius is 18, so multiply 18 by 2 and you get 36.
So therefore, the diameter is 36 inches

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A family has two cars. The first car has a fuel efficiency of 35 miles per gallon of gas and the second has a fuel efficiency of

cestrela7 [59]

The amount of gas consumed by first and second car were 20 gallons and 15 gallons respectively.

Explanation

Suppose, $x$ gallons of gas were consumed by the first car.

As the total gas consumption in one week is 35 gallons, so the amount of gas consumed by second car will be: $(35-x)$ gallons.

The first car has a fuel efficiency of 35 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas.

So, the distance traveled by the first car in $x$ gallons of gas $=35x$ miles and the distance traveled by the second car in $(35-x)$ gallons of gas $=15(35-x)$ miles.

Given that, the two cars went a combined total of 925 miles. So, the equation will be.....

$35x+15(35-x)=925\\ \\ 35x+525-15x=925\\ \\ 20x=925-525=400\\ \\ x=\frac{400}{20}=20$

So, the amount of gas consumed by the first car is 20 gallons and the amount of gas consumed by the second car is: (35 - 20) = 15 gallons.

3 0

4 years ago

A box of 200 rubber bands costs $1.20. what is the unit price of the rubber bands?

WINSTONCH [101]

Answer:

0.006 cents

Step-by-step explanation:

divide 1.20 with 200

since a unit price is 1 of something

so 1.20 divided by 200 = 0.006 cents.

0.006 is your answer.

4 0

3 years ago

Hey can someone help me ?

morpeh [17]

Sure what do u need help with?

6 0

3 years ago

write a 7 digit number to match the statement; one digit is a 4 and its value is 100 times as much as another digit that is 4

8_murik_8 [283]

I think it would be 1235404 because 4 times 100 equals 400

5 0

3 years ago

Helpppppppppppppphxhxhxhxhx

pychu [463]

Answer:

C $\frac{48}{70}$

Step-by-step explanation:

Option C - $\frac{48}{70}$ is incorrect because when multiplying the numerator and denominator of the fraction $\frac{7}{10}$ by 7, you’re suppose to get $\frac{49}{70}$ .

4 0

3 years ago