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Anton [14]
2 years ago
8

Emily's bicycle wheel has a diameter of 18 inches. If the wheel makes 20 revolutions, approximately how far will the bicycle hav

e traveled? Round to the nearest whole number.
57 inches
254 inches
1131 inches
5089 inches
explain why is that the answer
Mathematics
2 answers:
valkas [14]2 years ago
6 0

Answer:

20

Step-by-step explanation:

Paraphin [41]2 years ago
4 0

Answer:

1131 inches

Step-by-step explanation:

Radius = 18/2 = 9 in

In one revolution,

2 × pi × 9 = 18pi in

In 20 revolutions:

20 × 18pi = 360pi in

1130.973355 in

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Please help work this equation
Flauer [41]

Hi!

<u>Given these two equations:</u>

x = y + 8

x + 4 = 2(y + 4)

We want to solve using the substitution method. Knowing that x is equal to y + 8, we can simply plug in 'y + 8' in for x in the second equation, like so:

(y+8)+4=2(y+4)

Combine like terms on both sides:

y+12=2y+8

Subtract y from both sides:

12=y+8

Subtract 8 from both sides:

y=4

Now, we can simply plug the y value in to the first equation, and solve for x:

x=4+8

Simplify:

x=12

<h3>Therefore, x is equal to 12 and y is equal to 4.</h3>

<u>Learn more about the substitution (and also elimination!) method here:</u>

brainly.com/question/14619835

4 0
2 years ago
5x - 8y = 20<br> what are x and y? :)
Alex_Xolod [135]

Answer:

x could be 10

y could be 5

those are some possible answers.

8 0
2 years ago
Read 2 more answers
17 times 14 times 123
LUCKY_DIMON [66]

Answer:

29274

Step-by-step explanation:

Because 17*14=238 and 238*123=29274

8 0
3 years ago
Read 2 more answers
Which of these is the algebraic expression for "4 times the sum of 2 and y?"
solmaris [256]

Answer:

b

Step-by-step explanation:

The sum of 2 and y is 2 + y, then 4 times this sum is

4(2 + y) → b

4 0
3 years ago
Which equation represents a line which is perpendicular to the line 4x + 3y = - 24 ?
Scorpion4ik [409]

Answer:

C

Step-by-step explanation:

4x+3y=-24

eq. of any line perpendicular to given line is

3x-4y=a

4y=3x-a

y=3/4x -a/4

where a is an arbitrary constant.

4 0
2 years ago
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