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3 years ago

One year, the population of a city was 252,000. Several years later it was 201,600. Find the percent decrease.

Mathematics

1 answer:

Arlecino [84]3 years ago

8 0

Answer:

thanks for free points

Step-by-step explanation:

did it to me

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Help i keep getting it wrong :(

liubo4ka [24]

Answer: 65.4

V = pi r^2 h/3

V = pi (2.5^2) (10/3)

V = pi (6.25) (3.33)

V = 65.4

8 0

3 years ago

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There are 120 planes on an airfield. If 75% of the planes take off, how many planes took off?

Soloha48 [4]

Answer:

You have to do 120 divided by 0.75 use a calculator

Step-by-step explanation:

7 0

3 years ago

Is -2 a solution of 2x+8=2?

Katarina [22]

Answer:2x+8=2

2x=2-8

2x= -6 (devide both sides by 2 to get x)

2x/2 and -6/2

×=3

Step-by-step explanation:

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3 years ago

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Type the correct answer in the box.

tamaranim1 [39]

Answer:

The missing value of x is 3

Step-by-step explanation:

Given Table:

x y

3 10

__ 20

The relation of x and y (x,y) is not a function.

Relation is function if it is one-to-one.

One-to-one means to different value of x to get different value of y.

If function is not a function then one value of x to get two different value of y.

For first value of x=3, y=10

For which value of x= ? , y=20

x must be 3

x=3 to get y=20

The missing value of x is 3 because same of x we get two different value of y.

4 0

3 years ago

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kaitlin is participating in a 5-day cross country biking challenge. She biked for 55,67,56,and 49 miles on the first four days.

SOVA2 [1]

The mean of a set of values is the sum of the data divided by the number of entries. So in this case:

$\frac{55+67+56+49+x}{5} =55$

Solve for x:

55 + 67 + 56 + 49 + x = 5(55)

227 + x = 275

x = 48

The answer is 48 miles.

7 0

3 years ago