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3 years ago

A box in the shape of a rectangular prism has a length of 3 5/8inches, a width of 2 1/2inches,

Mathematics

1 answer:

mojhsa [17]3 years ago

7 0

Answer:

36.25 cubic inches

Step-by-step explanation:

Volume = Base area * height

Volume = 3 5/8*2 1/2 * 4

Volume = 36.25

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A line contains the points (82, −96) and (87, −86) .

mezya [45]

Answer:

slope = 2

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (82, - 96) and (x₂, y₂ ) = (87, - 86)

m = $\frac{-86+96}{87-82}$ = $\frac{10}{5}$ = 2

3 0

3 years ago

At 2:00 PM a car's speedometer reads 30 mi/h. At 2:20 PM it reads 50 mi/h. Show that at some time between 2:00 and 2:20 the acce

storchak [24]

Answer:

The correct answer will be "60 min/hour".

Step-by-step explanation:

At time 2:00 PM

A car reads = 30 mi/h

At time 2:20 PM

A car reads = 50 mi/h

Now,

At time 2:00 PM

t = 0

At time 2:20 PM

t = $\frac{1}{3}$

$v(0)=30$

$v(\frac{1}{3})=50$

For MVT,

$v'(c)=\frac{v(\frac{1}{3} -v(0))}{(\frac{1}{3} )}$

$=\frac{20}{\frac{1}{3} }$

$=60 \ min/hour$

5 0

3 years ago

I need help with this problem<br><br> 2y=x-4 4x+3y=5

attashe74 [19]

Answer:

Point form : (2,-1)

Equation form : x=2,y=-1

Step-by-step explanation: Solve for the first variable in one of the equations, then substitute the result into the other equation.

Hope this helps you out! ☺

-Leif Jonsi-

6 0

3 years ago

Which represents the volume of the cylinder, in cubic

11Alexandr11 [23.1K]

Answer: 300π

Step-by-step explanation: Volume=(pi)(radius^2)(height)

Volume=(pi)(5^2)(12)

V=(pi)(25)(12)

V=(pi)(300)

6 0

3 years ago

A phone company charges 50 cents per minute during the daytime and 10 cents per minute at night.

Gala2k [10]

Answer:

You could talk on the phone for 200 minutes at night, or 40 minutes during the day.

For every 5 minutes you reduced your night time talking, you could talk during the day for 1 minute.

Step-by-step explanation:

0.50d + 0.10n < $20

0.50d < $20 --> d < 40 minutes

0.10n < $20 --> n < 200 minutes

4 0

2 years ago