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3 years ago

PLEASE HELP ASAP!!!!!!

Mathematics

1 answer:

Anvisha [2.4K]3 years ago

3 0

Answer:

1/5

Step-by-step explanation:

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A map has a scale of 2 inches = 20 kilometers. If the distance between two cities on the map is 10 inches, what is the actual di

Brilliant_brown [7]

100 kilometers you solve with a proportion 2/20=10/x
2x=200 so x=100

5 0

3 years ago

What property is shown 4/5 + (-4/5) =0

mina [271]

Answer:

Inverse property of addition

Step-by-step explanation:

When you add two opposite numbers (4/5 is the opposite of [-4/5]) the answer is always zero.

3 0

3 years ago

WILL MARK BRAINLIST

iren [92.7K]

Answer:

See below.

Step-by-step explanation:

1/2 = shrink by a factor of 1/2.

+7 = moved up 7 units.

8 0

3 years ago

A pan is heated to 393°F, then removed from the heat and allowed to cool in a kitchen where the room temperature is a constant 6

deff fn [24]

Answer:

The approximate temperature of the pan after it has been away from the heat for 9 minutes is 275.59°F.

Step-by-step explanation:

The formula for D, the difference in temperature between the pan and the room after t minutes is:

$D = 324\cdot e^{-0.05t}$

Compute the approximate difference in temperature between the pan and the room after 9 minutes as follows:

$D = 324\cdot e^{-0.05t}$

$=324\times e^{-0.05\times 9}\\\\=206.59$

Then the approximate temperature of the pan after it has been away from the heat for 9 minutes is:

D = P - R

206.59 = P - 69

P = 206.59 + 69

P = 275.59°F

Thus, the approximate temperature of the pan after it has been away from the heat for 9 minutes is 275.59°F.

6 0

3 years ago

A drinking straw has a circumference of 30 mm and a height of 210 mm.

dexar [7]

I think the straw can hold about 15000 mm^3.

3 0

3 years ago