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Kamila [148]
3 years ago
15

A car travels 3 miles. It's tires make 2640 revolutions. What is the radius of a tire in inches?

Mathematics
1 answer:
Alexus [3.1K]3 years ago
5 0

Answer:

7929

Step-by-step explanation:

it is 7929 because if u times 3 and 2640 it's 7929

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HELP ME ASAP PLS
Katarina [22]

Answer:

Tommy had 56 cents in start and Loren had 7 cents in start.

Step-by-step explanation:

Let,

x be the money Tommy have.

y be the money Loren have.

According to given statement;

Tommy had 8 times more money than Loren.

x = 8y     Eqn 1

Parents gave 35 cents to Loren and Tommy spent 14 cents, therefore

x-14=y+35    Eqn 2

Putting x=8y in Eqn 2

8y-14=y+35\\8y-y=35+14\\7y=49

Dividing both sides by 7

\frac{7y}{7}=\frac{49}{7}\\y=7

Putting y=7 in Eqn 1

x=8(7)\\x=56

Hence,

Tommy had 56 cents in start and Loren had 7 cents in start.

6 0
2 years ago
A certain electronics manufacturer found that the average cost C to produce x DVD/Blu- ray players can be found using the equati
Marina CMI [18]

Answer:

Minimum average cost = 743.75

Number of dvds to achieve the cost = 62.5

Step-by-step explanation:

Given the cost equation

C = 0.04x² − 5x + 900

To Obtian the minimum average cost ;

Find dc/dx = 0

Diffentiate cost, c it ith respect to x

dc/dx = 2(0.04x) - 5

dc/dx = 0.08x - 5 = 0

0.08x = 5

x = 5 / 0.08

x = 62.5

Substitute the value of x into C to obtain the minimum average cost

C = 0.04(62.5)² - 5(62.5) + 900

C = 743.75

6 0
2 years ago
What is the answer 3x+5−7x+9
ICE Princess25 [194]

Step-by-step explanation:

3×+5-7×+9

3×3=9+5=14

7×7=49+9=58

58-14=44

<h2>ans.44</h2>
4 0
2 years ago
Read 2 more answers
0,0a_2×1÷4=12÷10a_52÷10
kozerog [31]

Answer:

19/4

Step-by-step explanation:

0.5=12/10a-5.2

1/2=6/5a-26/5

5=12a-52

-12a=-57

8 0
3 years ago
16 is 20% of what? Need answer ASAP
xenn [34]

Answer:

80

Step-by-step explanation:

16=20/100

y=3 x 100/20

y = 80%

5 0
3 years ago
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