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3 years ago

Each week, Robbie earns $x mowing lawns and receives $15 as his allowance.

Mathematics

1 answer:

tangare [24]3 years ago

3 0

the answer is 3(x+15)

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Find f(-5) if f(x) = Ix+1I

gulaghasi [49]

Answer:

x = 4

Step-by-step explanation:

f(x) = I x+1 I

when x = -5

f(-5) = I (-5) +1 I

= I -5+1 I

= |-4|

= 4

3 0

3 years ago

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Svetlanka [38]

Answer:

Option A is correct .

Step-by-step explanation:

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3 years ago

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Solve for the missing variable. Round to the nearest hundredth if necessary.

vagabundo [1.1K]

Answer:

Step-by-step explanation:

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3 years ago

Find the complementary angle of the following <br>1)69°. 2)39°. 3)17°. 4)40°

Luden [163]

Answer:

1.)21°

2.)51°

3.)73°

4.)50°

Step-by-step explanation:

1.) 90° - 69°

= 21°

2.) 90° - 39°

= 51°

3.) 90° - 17°

= 73°

4.) 90° - 40°

= 50°

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3 years ago

A bicycle training wheel has a radius of 3 inches. The bicycle wheel has a radius of 10 inches. Approximately how much smaller,

zhuklara [117]

Answer:

$285.74\text{ inch}^2$

Step-by-step explanation:

GIVEN: A bicycle training wheel has a radius of $3\text{ inch}$ . The bicycle wheel has a radius of $10\text{ inch}$ .

TO FIND: Approximately how much smaller, in square inches, is the area of the training wheel than the area of the regular wheel.

SOLUTION:

radius of bicycle wheel $=10\text{ inch}$

area of bicycle wheel $=\pi r^2$

putting value,

area of bicycle wheel $=3.14\times10^2$

$=314\text{ inch}^2$

radius of bicycle training wheel $=3\text{ inch}$

area of bicycle training wheel $=\pi r^2$

putting value,

area of bicycle wheel $=3.14\times3^2$

$=28.26\text{ inch}^2$

difference in area of bicycle wheel and bicycle training wheel

$=\text{area of bicycle wheel}-\text{area of bicycle training wheel}$

$=314-28.26$

$=285.74\text{ inch}^2$

hence the training wheel is $285.74\text{ inch}^2$ smaller than regular wheel

4 0

2 years ago