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2 years ago

The lines shown below are parallel. If the green line have a slope of -3, what is the slope of the red line

Mathematics

1 answer:

abruzzese [7]2 years ago

7 0

Answer:

The slope of the red line would also be -3

Step-by-step explanation:

This is because parallel lines have the same slope. So if the lines are parallel and the green one has a slope of -3, then the red one must also have a slope of -3.

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The height of a triangle is 15cm, the base is 40cm and the other two side are 25cm.

morpeh [17]

The formula for the area of a triangle is base*height/2. So lets input the number.

15*40=600/2=300 cm2

6 0

2 years ago

A swimming pool that is 10 feet, 20 feet long, and 4 1/2 feet deep. how much water can this swimming pool hold (to the top of th

Sever21 [200]

Answer:

900 cubic feet

Step-by-step explanation:

Volume = length x width x height

= 10 x 20 x 4.5

= 900

3 0

2 years ago

A square of side length s lies in a plane perpendicular to a line L. One vertex of the square lies on L. As this square moves a

user100 [1]

Answer:

Part (A) The required volume of the column is $s^2h$ .

Part (B) The volume be $s^2h=\frac{s^2h}{2}+\frac{s^2h}{2}$ .

Step-by-step explanation:

Consider the provided information.

It is given that the we have a square with side length "s" lies in a plane perpendicular to a line L.

Also One vertex of the square lies on L.

Part (A)

Suppose there is a square piece of a paper which is attached with a wire through one corner. As you blow it up it spins around on the wire.

This square moves a distance h along L, and generate a corkscrew-like column with square.

The cross section will remain the same.

So the cross section area of original column and the cross section area of twisted column at each point will be the same.

The volume of the column is the area of square times the height.

This can be written as:

$s^2h$

Hence, the required volume of the column is $s^2h$ .

Part (B) What will the volume be if the square turns twice instead of once?

If the square turns twice instead of once then the volume will remains the same but divide the volume into two equal part.

$s^2h=\frac{s^2h}{2}+\frac{s^2h}{2}$

Hence, the volume be $s^2h=\frac{s^2h}{2}+\frac{s^2h}{2}$ .

5 0

2 years ago

One of Eric's steps is 18in long. How many steps would he take to walk 1 mile?

Evgesh-ka [11]

Answer:

3520 steps

Step-by-step explanation:

The first thing we must do is figure out how many inches are in a mile. (There are 63,360 inches in one mile). With that out of the way, we can now divide these inches by 18, since each of Eric's steps are 18 inches long, and we want to determine how many steps he would have to take. 63,360 divided by 18 is 3520. This means our answer is 3520 steps, and that is how many steps he must take to walk 1 mile. I hope you understood and please let me know if you still need help!

5 0

2 years ago

Read 2 more answers

There are 24 students in mr bobs math class 5/8 of these students earned an a on the geometry assessment how many students earne

dlinn [17]

Of means multiply

24*5/8=15

15 students earned an A

8 0

3 years ago