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Sphinxa [80]
3 years ago
8

The tires on your bicycle have a diameter of 20 inches. How many rotations does each tire make when you travel 500 feet?

Mathematics
1 answer:
Art [367]3 years ago
4 0
You take 20 / 12 for the inches in a foot and get 1.6 then times by 500 and get 833.3
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Simplify:0.3(x-2y)+0.5x-y
astraxan [27]

Answer:

0.3[x-2y] + 0.5x - y


Use the distributive property: a(b-c) = ab - ac


0.3x - 0.6y + 0.5x - y


Now, add/subtract all like terms


0.3x + 0.5x - 0.6y - y


0.8x - 1.6y


If you want, we can simplify that down further to:


0.8(x - 2y)



7 0
3 years ago
Read 2 more answers
The credit remaining on a phone card (in dollors) is a linear function of the total calling trime made with the card ( in minute
KATRIN_1 [288]

After 85 minutes of calls, there are $27.25 left on the card.

<h3>What is the remaining credit after 85 minutes of calls?</h3>

A linear equation in slope-intercept form is:

y = a*x + b

Where a is the slope.

If the line passes through two points (x₁, y₁) and (x₂, y₂) the slope is:

a = \frac{y_2 - y_1}{x_2 - x_1}

In this case, we know that the line passes through the points (22, 36.7) and (52, 32,20)

(points of the form (time, dollars)).

So the slope is:

a = \frac{32.2 - 36.7}{52 -22} = -0.15

The linear equation is then:

y = -0.15*x + b

To find the value of b, we use the point (22. 36.7)

36.7 = -0.15*22 + b

36.7 + 0.15*22 = b = 40

Then the linear equation is:

y = -0.15*x +40

The amount remaining in the credit card after 85 minutes is given by evaluating the above equation in x = 85.

y = -0.15*85 + 40 = 27.25

This means that after 85 minutes of calls, there are $27.25 left on the card.

If you want to learn more about linear equations:

brainly.com/question/1884491

#SPJ1

7 0
2 years ago
Find the side of to cube<br> whose volume is<br> 5.832cm3
Scorpion4ik [409]

Answer:

1.8cm

Step-by-step explanation:

Use the volume of cube formula.

\displaystyle V=s^3

\displaystyle5.832=s^3

\displaystyle\sqrt[3]{5.832} =s

\displaystyle s=1.8

3 0
3 years ago
Read 2 more answers
Can anyone start me off on this? its trigonometric ratios​
Alexxx [7]

Answer:

The angle is about 30.27 degrees.

Step-by-step explanation:

Use the trig ratio cosine because you are given the adjacent leg and the hypotenuse.

cos^{-1} =19/22

Plug into a calculator

Rounded to the nearest hundredth the angle is 30.27 degrees.

5 0
2 years ago
Solve using square root or factoring method
OlgaM077 [116]
9x^2 + 18x + 9 = 5

9(x^2 + 2x +1) - 5 = 0

x^2 + 2x - 4 = 0

Then use the quadratic formula. 

8 0
3 years ago
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