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Dafna1 [17]
4 years ago
15

If 1/4cotx - 11 = -9, then cotx = _____. 1/2 5 8 80

Mathematics
1 answer:
EleoNora [17]4 years ago
3 0
Answer: 
8 

Explanation: 
\frac{1}{4}cotx – 11 = -9 
To solve algebraically, try to get cotx alone.
First, add 11 to both sides:
\frac{1}{4}cotx – 11 + 11 = -9 + 11
\frac{1}{4}cotx = 2 
Now divide by \frac{1}{4} on both sides, which is the same as multiplying the other side by 4:
\frac{1}{4}cotx ÷  \frac{1}{4} = 2 ÷ \frac{1}{4} 
cotx = 8
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If Luke pushes his sister in a wagon down the driveway that is 14 meters long and it takes 22 Newtons of force, how much work di
erica [24]

Hello!

The answer is:

Luke did a work of 308N.m or 308 Joules.

<h2>Why?</h2>

When a force is applied on a object making it to move covering a distance we call it "work". The movement caused by the force, will follow the same direction that the force.

We can calculate the work done by using the following equation:

Work=Force*distance*Cos(\alpha)

Where,

Work is the transferred energy.

Force, is the force applied to the object.

Distance, is the distance covered due to the applied force.

α, is the angle at the work is done.

We are given the following information to calculate the work done:

Force=22N\\Distance=14m

So, substituting the given information into the equation to calculate work, we have:

Work=Force*distance\\Work=22N*14m=308N.m

Hence, we have that Luke did a work of 308N.m or 308 Jouls.

Have a nice day!

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4 years ago
How do you eliminate the radical sign?
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Answer:

Step-by-step explanation:

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When Robert got a puppy from the shelter, it weigh 11 pounds. The puppy gained 40% of its original weight in the first month tha
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Answer:

Step-by-step explanation:

Reasons

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7 0
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10($6.75)+7($1.99)+$15.00=$196.43
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Hope this helps!
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4 years ago
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