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3 years ago

Work out the surface area of a cube of edge 2m

1 answer:

6 0

- - If we have a edge area of: 2m

Then we can work out to find the surface area:

$6s^2$ = Surface area.

So we plug in and solve and we get:

Surface area= $24m^2$

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Select the expressions whose value is 4. <br> (-2)² <br> |- 4| <br> - 4÷2 <br> 2(-2)

Dmitry [639]

The first and the second one.

-2*-2=4

Absolute value of -4 is 4

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2 years ago

Find n (A) for the set A = {0,1,2,3,4}

Ganezh [65]

Answer:

Step-by-step explanation:

The number of elements in set A is 5.

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3 years ago

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shusha [124]

Answer:

x = -2

Step-by-step explanation:

The segments described in the question are equidistant (meaning they are the same length). Therefore, using algebraic techniques, we can set these two equal to each other and solve for x.

4x - 8 = 6x - 4 Combine like terms by subtracting 6x from both sides.

-2x - 8 = -4 Combine like terms by adding 8 to both sides.

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3 years ago

HELPPPPP!!!!!!!!!!Please explain how you got your answer. <3 (:

gayaneshka [121]

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2 years ago

Which statement is NOT true about the slope of a straight-line graph?

soldi70 [24.7K]

Answer:

Option D. Slope is 1 if the line is vertical

Step-by-step explanation:

we have

Part A) Slope is a measure of the steepness of the line

The statement is true

Because, the steepness of a line is measured by the absolute value of the slope.

Part B) Slope is the ratio of vertical change to horizontal change

The statement is true

Because the formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

Is the ratio of vertical change to horizontal change

Part C) Slope is zero if the line is horizontal

The statement is true

Because If the line is horizontal, the y-coordinate of two points is the same

therefore

The vertical change is equal to zero

Part D) Slope is 1 if the line is vertical

The statement is Not true

Because, if the line is vertical the slope is undefined

5 0

3 years ago

Read 2 more answers