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3 years ago

A pizza delivery driver earns $8 an hours and also spends $20 a day on gas. How much will the driver earn after working 8 hours?

Mathematics

1 answer:

Artist 52 [7]3 years ago

5 0

Answer:

$44

Step-by-step explanation:

If the driver earns $8 an hour, then 8*8 is 64.

But the driver also spends $20 a day, so if you subtract 20 from 64, you'll get 44. Therefore the driver earns $44 after working 8 hours.

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In a right triangle the length of a hypotenuse is c and the length of one leg is a. Find the length of the other leg, if c=6, a=

irakobra [83]

Answer:

Step-by-step explanation:

6^2=5^2+b^2

36=25+b

36-25=b

B= square root of 9

B= 3

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3 years ago

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A water tank has a diameter of 15 ft and is 22 ft high. a. What is the volume of the tank in ft?? b. In m?? c. In cm?

rodikova [14]

Answer:

a) $V = 3887.72 ft^{3}$

b) $V = 104.97 m^{3}$

c) $V = 104,968,468.538 cm^{3}$

Step-by-step explanation:

A tank has the format of a cylinder.

The volume of the cylinder is given by:

$V = \pi r^{2}h$

In which r is the radius and h is the heigth.

The problem states that the diameter is measured to be 15.00 ft. The radius is half the diameter. So, for this tank

$r = \frac{15}{2} = 7.50$ ft

The height of the tank is 22 ft, so $h = 22$ .

a) Volume of the tank in $ft^{3}$ :

$V = \pi r^{2}h$

$V = pi*(7.5)^2*22$

$V = 3887.72 ft^{3}$

b) Volume of the tank in $m^{3}$ :

We must convert both the radius and the height to m.

Each feet has 0.30 m, so:

Radius:

1 feet - 0.30m

7.5 feet - r m

$r = 7.5*0.30$

$r = 2.25m$

Height

1 feet - 0.30m

22f - h m

$h = 22*0.30$

$r = 6.60m$

The volume is:

$V = \pi r^{2}h$

$V = pi*(2.25)^2*6.60$

$V = 104.97 m^{3}$

c) Volume of the tank in $cm^{3}$ :

Each m has 100 cm.

So $r = 2.25m = 225cm$

$h = 6.60m = 660cm$

The volume is:

$V = \pi r^{2}h$

$V = pi*(225)^2*660$

$V = 104,968,468.538 cm^{3}$

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4 years ago

Part A

KIM [24]

Answer:I think it’s a 150% increase

I’m also taking the text lol✨

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3 years ago

Which figure is a prism? A pyramid with rectangular base. A cylinder. A prism with a rectangular base. A pyramid.

baherus [9]

Answer:

A prism with a rectangular base.

Step-by-step explanation:

it's a prism.

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3 years ago

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Students at Lincoln middle school earn $5 for every 4 boxes of cookie dough sold during a fundraiser. Students at Williams middl

muminat

Answer:

5x4 = 20

7x6=42

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3 years ago

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