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lilavasa [31]
3 years ago
5

Calculate the change in GPE stored when a 15 kg post driver is lifted by 70 cm

Mathematics
1 answer:
LenaWriter [7]3 years ago
5 0
It is 3 if im wron letme know
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Find the equation of the line that passes through (4,4) and is parallel to y=2x+4. Leave your answer in the form​
Bess [88]

Answer:

y=2x-4

Step-by-step explanation:

If a line is parallel to another line, the only thing that's different in the equation is the y-intercept. Therefore we can solve for the y-intercept using the point (4,4)...

Note that the slope-intercept equation is y=mx+b where b is the y-intercept and m is the slope. x and y are the x and y coordinate pairs.

y=2x+b

4=2(4)+b

4=8+b

b=-4

Therefore the equation of the line that is parallel to y=2x+4 and passes through (4,4) is...

y=2x-4

4 0
2 years ago
Read 2 more answers
C=5x-3(4x-2(4x-3(5x-20))
stiv31 [10]
The answer would be C = -73x + 360.
5 0
3 years ago
Help!!! I need to find the x and y values
gayaneshka [121]

The solution is that x = 26 and y = 9.

In order to find these, we need to note that since the two angles involving x's make a straight line, then they must equal 180 degrees. So we can add them together and set them equal to solve for x.

5x - 17 + 3x - 11 = 180 ----> combine like terms

8x - 28 = 180 ----> add 28 to both sides

8x = 208 -----> divide by 8

x = 26

Now that we have the value of x, we can find the value of the 3x - 11 term. That along with the right angle and the 2y + 5 angle combine to make another straight line. So we can solve by setting that equal to 180 as well.

3x - 11 + 90 + 2y + 5 = 180 ------> Combine like terms

3x + 2y + 84 = 180 -----> Put 26 in for x.

3(26) + 2y + 84 = 180 -----> Multiply

78 + 2y + 84 = 180 ------> Combine like terms again

2y + 162 = 180 ------> Subtract 162 from both sides

2y = 18 -----> Divide by 2

y = 9

6 0
3 years ago
The price of a sweater was originally $20 but the store is having a sale and now it only costs $12. What is the discount percent
Irina-Kira [14]

Answer:

40%

Step-by-step explanation:

20x40%=8

$20-$8=$12

3 0
3 years ago
Read 2 more answers
Will give brainiest!!
Mazyrski [523]

Volume of a cone is equal to pi * r^2 * h/3.

In this case:

pi * 6^2 * 9/3

pi * 36 * 3

108pi

Answer: 339.3

7 0
3 years ago
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