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-BARSIC- [3]
2 years ago
13

PLEASE HELP RIGHT AWAY!!!!! THANK U SO MUCH!!

Mathematics
1 answer:
Sonbull [250]2 years ago
7 0

Answer: what the

Step-by-step explanation:

uh what huh

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(this is my sister on my acc I'm letting her) True or False? When you use a pulley you use less force to pull up a load.Explain
natta225 [31]

Answer:

True depending on what you are comparing it to.

Step-by-step explanation:

A pulley would help lighten the load that you are trying to pull up, which may make it easier for you to get the load to your designated area. The more complicated it is, usually the more 'lighter' it becomes, or the less force you have to exert.

For example, you will have to give a 100% energy in trying to life a heavy box. However, if you use a simple pulley (only one), you may only have to exert 75% more energy, for the weight is significantly lower.

~

3 0
3 years ago
For a quadrilateral to be a square, the diagonals must be ________________.
Lynna [10]

Answer:

That bisect and are perpendicular

Step-by-step explanation:

4 0
2 years ago
Find the value of two numbers is there some is 12 and there difference is 4
Mademuasel [1]
You mean their sum is 12?

A) x + y = 12
B) x -y = 4  then we add both equations:
2x = 16
x = 8
y = 4



3 0
3 years ago
What is the sum of (q+r)-(r+10)
KATRIN_1 [288]

Answer:

q+10 is the answer

6 0
3 years ago
Find the average value fave of the function f on the given interval. f(t) = e^sin(t) cos(t), [0, π/2]
RideAnS [48]

The question is related to integration and we have to used the following formula

\frac{1}{b-a}\int\limits^a_b {f(x)} \, dx

\frac{1}{\pi /2 -0}\int\limits^0_{\pi/2} {e^{sin t}cos t } \, dt

= \frac{2}{\pi}(e^{sin t})_{0}^{ \pi /2}

=\frac{2}{\pi}(e^{sin(\pi/2)} -e^{sin0})

=\frac{2}{\pi}(e -1)

6 0
3 years ago
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