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Andrews [41]
2 years ago
14

tony's bike tire has a radius of 18 inches.what is the distance covered by the tire in inches after 5 rotations?

Mathematics
1 answer:
tekilochka [14]2 years ago
3 0

Answer:

3ft

Step-by-step explanation:

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Is this right ? Geometry
elixir [45]
No, 12 is the wrong answer. 5 is correct

This is because since a and c are congruent that means y=52. And we already know that every triangle adds up to 180 degrees so, you add A and C and get 104 (52+52).
And 180-104=76 so, 14x+6 must =76.
14(5)=70+6=76. 76+104=180, therefore, x=5.
7 0
2 years ago
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How do you find direct variation. I’m having trouble understanding some of these examples.
Rufina [12.5K]
Direct variation is a relation that has the form

y = kx

where k is the constant of proportionality.

If you are told that a relation is a direct proportion, and you are given one data point, you can find k. The you can write the equation of the direct relation.

Here is an example.
The price of gasoline follows a direct variation.
John bought 5 gallons of gas and paid $15.
a) Write an equation for the relation.
b) Using the relation you found, how much do 13.8 gallons cost?

Solution:
Since the relation is a direct variation, it follows the general equation of a direct variation:

y = kx

We are given one data point, 5 gallons cost $15.
We plug in  5 for x and 15 for y and we find k.

y = kx
15 = k * 5
k = 3

Now that we know that k = 3, we rewrite the relation using our value of k.

y = 3x

This is the answer to part a).

Part b)

We use our relation, y = 3x, and we plug in 13.8 into x and find y.

y = 3x

y = 3 * 13.8

y = 41.4

The price of 15 gallons of gas is $41.40.
5 0
2 years ago
10 Points Please help me
const2013 [10]
4/5 should be the answer
4 0
3 years ago
Work out <br> (43×8) - (234÷6)
jolli1 [7]

Answer:344x-39

Step-by-step explanation:

4 0
2 years ago
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Decimal representation of a rational number cannot be
ANEK [815]

Answer:

d

it would be an irrational number then

6 0
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