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3 years ago

15

The elevations of a town is 450 feet above sea level. The elevation of a lake is 25 feet below sea level. What is the difference

between the elevations of the town and lake?

1 answer:

Eddi Din [679]3 years ago

8 0

Answer:

425

Step-by-step explanation:

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What is 1.9961 x 10^-7

kakasveta [241]

Answer:0.00000019961

Step-by-step explanation:

I moved the decimal place by the number of the exponent

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4 years ago

A coordinate system, or ____________________, is used to locate points in a 2-dimensional plane.

andreev551 [17]

Answer:

A coordinate system,or Coordinate plain ,is used to locate points in a 2-dimensional plane.

explanation:

A coordinate plain is formed by the intersection of two lines.One line is vertical and the other is horizontal.The vertical line is called y- axis and the horizontal line is called x-axis. It is two dimensional plane,which means it has length and breadth but no depth.The point where both the lines intersect is called the point of origin.Any point can be located on the coordinate plain by numbers(x,y). These pair of numbers are called coordinates.

It is used to plot points and lines.This system explains algebraic concepts .it has four equal divisions called quadrants namely I ,II,III,IV.

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3 years ago

Find the sum of 1/6and 7/12 in lowest terms.

disa [49]

Answer:3/4

Step-by-step explanation:

Multiply 1/6 by 2 to get 2/12 and then add that to 7/12 and get 9/12

If you simplify that you end up with 3/4

6 0

3 years ago

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A cylindrical tank has a height of 10 feet and a radius of 4 feet. Jane fills the tank with water at a rate of 8 cubic feet per

ki77a [65]

<u>Given</u>:

A cylindrical tank has a height of 10 feet.

The radius of the cylindrical tank is 4 feet.

Jane fills the tank with water at a rate of 8 cubic feet per minute.

We need to determine the time it will take for Jane to completely fill the tank without overflowing it.

<u>Volume of the cylinder:</u>

The volume of the cylinder can be determined using the formula,

$V=\pi r^2 h$

Substituting the values, we have;

$V=(3.14)(4)^2(10)$

$V=(3.14)(16)(10)$

$V=502.4$

Thus, the volume of the cylinder is 502.4 cubic feet.

<u>Time taken:</u>

The time taken can be determined using the formula,

$Time = \frac{Volume}{Rate \ of\ filling}$

Substituting the values, we have;

$Time = \frac{502.4}{8}$

$Time = 62.8$

Thus, Jane takes 62.8 minutes to completely fill the tank without overflowing it.

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3 years ago

Five times a number is 6 more than two times the number

34kurt

Answer:

5x= 2x+6

Step-by-step explanation:

5 times a number= 5x

2 times the number=2x

6 more= +6

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3 years ago

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