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astra-53 [7]
3 years ago
11

If a 100 pound weight is lifted 5 feet off the ground, how much work is done?

Mathematics
1 answer:
IgorC [24]3 years ago
4 0
Isn’t it B 500 foot pounds
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In a 50-gram portion of cereal, 8 grams of it are sugar . Which of the following represents the percent of the 50-grams that is
andre [41]

Answer:

3) 16

8 is 16% of 50

4 0
3 years ago
If f(x) = -x + 4 and g(x) = x2 - 5, then f(g(-2)) = ?
schepotkina [342]

Answer:

f(g(- 2)) = 5

Step-by-step explanation:

Evaluate g(- 2) then use this result to evaluate f(x)

g(- 2) = (- 2)² - 5 = 4 - 5 = - 1, then

f(- 1) = - (- 1) + 4 = 1 + 4 = 5

6 0
2 years ago
-4x-15y=-17<br>-x+5y=-13<br><img src="https://tex.z-dn.net/?f=%20-%204x%20-%2015y%20%3D%20%20-%2017%20%20%5C%5C%20%20-%20x%20%2B
salantis [7]
To solve this system of linear equations we need a little trick called elimination steps are below

we are given the following system of equations
- 4x - 15y = - 17
- x + 5y = - 13
if you look at the x variables in both equations you can see that we can easily eliminate them by multiplying the bottom equation by -4 as so
- 4x - 15y = - 17
- 4( - x + 5y = - 13)
simplify and we get
- 4x - 15y = - 17
4x - 20y = 52
now we can combine like terms on each side with the x's cancelling and get

- 35y = 35
now divide off -35
y = - 1
great now we can go back to our original system and pick a equation and substitute y back in to find x lets use

- x + 5y = 13
so now we substitute y and get
- x + 5( - 1) = 13
- x - 5 = 13
- x = 17
x = - 17

now we put x and y into one coordinate (x,y)
so now our FINAL ANSWER IS
(-17,-1)
6 0
3 years ago
To find the distance an object has traveled, you use the formula D=RT; where D=distance, R=rate and T=time.
devlian [24]

Answer:

52.25 MPH

Step-by-step explanation:

Using the formula given D=RT we simply plug in values,

313.5=6R

313.5/6=R

52.25=R

6 0
2 years ago
Please anyone please help me answer this question ​
Paladinen [302]

Answer:

61°

Step-by-step explanation:

Since the angles make up a full circle which is 360°, deduct all the degrees with numbers from 360°

360 - 65 - 50 - 62 = 183

x + 2x = 3 x

3x = 183

x = 183 ÷ 3 = 61

3 0
3 years ago
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