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Gwar [14]
3 years ago
15

Bob purchased a bus pass card with 320 points. Each week costs 20 points for unlimited bus rides. The graph shows the points rem

aining on the card over time in weeks. Determine the value of f(10), and explain what it represents.
Mathematics
2 answers:
AleksandrR [38]3 years ago
8 0

Answer:

The value of f(10) is 120 points.

Step-by-step explanation:

Given,

Total points = 320,

The points spent in a week = 20,

So, the points spent in x weeks = 20x,

Thus, the remaining points ( say f(x) ) = Total points - points spent in m weeks

f(x) = 320 - 20x

If x = 10,

The remaining points after 10 weeks,

f(10) = 320 - 20(10) = 320 - 200 = 120 points

Yuri [45]3 years ago
4 0

Answer:

f(10) = 320 - (20 * x)

Step-by-step explanation:

Plug in for x

f(10) = 320 - (20 * 10)

Multiply

f(10) = 320 - 200

Subtract

f(10) = 120

<em>Bob has 120 points left after 10 weeks of riding the bus.</em>

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Given:

The recipe calls for \dfrac{3}{8} cup of chili powder.

Karl only wants to use half as much so it won’t be so spicy.

To find:

How much chili powder should Karl use?

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We have,

Chill power for recipe = \dfrac{3}{8} cup

Chill power used by Karl is half  of chill power for recipe.

\text{Chill power used by Karl}=\dfrac{1}{2}\times \dfrac{3}{8} cup\text{Chill power used by Karl}=\dfrac{3}{16} cup

Therefore, \dfrac{3}{16} cup of chili powder should Karl use.

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3 years ago
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The temperature was -12 degrees in the morning and rose to a high of 27 degrees for the day
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3 years ago
A cylinder has a radius of 20 cm and a height of 2 cm. Find the height of another cylinder that has a radius of 4 cm and the sam
iogann1982 [59]

Answer:

The height of the another cylinder 'h'  = 7

Step-by-step explanation:

<u>Explanation</u>:-

<u>Step 1:-</u>

Surface area of the cylinder  = 2пrh + 2пr^2

Given radius of first cylinder is 20cm

given height of the first cylinder is 2 cm

The surface area of first cylinder is = 2пrh + 2пr^2

                                                          = 2п(20)(2)+2п(2)^2

                                                          = 4п(20+2)

The surface area of first cylinder is  88п

<u>Step 2</u>:

given data The surface area of first cylinder is  88п is same as second cylinder also

<u>Find the height of the second cylinder</u>

Given Radius of the second cylinder r = 4

Surface area of the cylinder  = 2пrh + 2пr^2 = 88п

                                                   2п(4)h+2п(4)^2 =88п

on simplification we get

                                   2п (4h+16) = 88п

after cancellation '2п' value and on simplification, we get

                                    4h+16 = 44

                                    4h = 44-16

                                  4h = 28

                                 h=7

Therefore the height of the another cylinder is 'h' =7

                                   

3 0
3 years ago
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