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katovenus [111]

2 years ago

7

A bicycle tire has a radius of 26 inches. How many revolutions will this tire make if the bicycle is pedaled 1 mile? (Use 3.14 f

or π and 1 mile = 5280 feet).

1 answer:

Fittoniya [83]2 years ago

4 0

How far does a wheel move when it rotates once? The length of the outside of the tyre? Isn't that the same as the circumference?

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Please helppppp pls it's in the screenshot

sergey [27]

Answer:

4. 11/6, 121/36

5. 5/8, 25/64

6. 4/7, 16/49

7. 14/9, 196/81

Step-by-step explanation:

The ratio of perimeters is the same as the ratio of corresponding legs:

perimeter ratio = red leg/blue leg

The area ratio is the square of that:

area ratio = (perimeter ratio)²

__

<h3>4.</h3>

perimeter ratio = 11/6

area ratio = (11/6)² = 121/36

__

<h3>5.</h3>

perimeter ratio = 5/8

area ratio = (5/8)² = 25/64

__

<h3>6.</h3>

perimeter ratio = 4/7

area ratio = (4/7)² = 16/49

__

<h3>7.</h3>

perimeter ratio = 14/9

area ratio = (14/9)² = 196/81

3 0

1 year ago

The sound intensity of rustling leaves is 100 times

DedPeter [7]

Answer: 20 Decibels

Step-by-step explanation:

I don't know

8 0

2 years ago

Read 2 more answers

A baseball has a diameter of 6 cm. If you wanted to replace the inside of the baseball with air, how much would be needed in cub

e-lub [12.9K]

This is just another way of asking "what is the volume of a sphere of 6cm"
The volume of a sphere is $V= \frac{3}{4} \pi R^{3}$
The R is 3cm in this problem since the diameter is twice the radius. For a 3cm radius sphere this is 113.1cm^3

3 0

2 years ago

Read 2 more answers

The figure below shows a shaded rectangular region inside a large rectangle

Gekata [30.6K]

Answer:

42% i hope its right if not sorry

Step-by-step explanation:

4 0

2 years ago

ki77a [65]

Answer:

Step-by-step explanation:

$3\frac{1}{2}=\frac{(3*2)+1}{2}=\frac{7}{2}\\\\\\3\frac{1}{2}*\frac{2}{5}=\frac{7}{2}*\frac{2}{5}=\frac{14}{10}$

4 0

2 years ago