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navik [9.2K]
3 years ago
9

Solve.

Mathematics
1 answer:
adoni [48]3 years ago
5 0
6+(-2)+2•(-8)•42=6-2+(-16)•42=4+(-672)=4-672=-668
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Select all the correct answers.
Ad libitum [116K]

C and D are correct I believe. Due to distribution they are the same answer!

4 0
2 years ago
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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
marusya05 [52]
<h2>Hello!</h2>

The answer is:

Luke did a work of 308N.m

<h2>Why?</h2>

The work appears when a force is applied on a object making it to move covering a distance. 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

Have a nice day!

7 0
3 years ago
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At 8:45 p.m., a jet is located 64 mi due east of a city. A second jet is located 57 mi due north of the city. To the nearest ten
alukav5142 [94]
85.7 is your answer cause i took the test btw srry this late answer
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Find the volume. HELP PLEASE!!!!!​
Eddi Din [679]

Answer:

4 2/3x2 1/7x5 2/5= 54

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3 years ago
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(2a+b) (a-b) + (2a-b) (a+b)
yanalaym [24]

Answer: 4a^2-2b^2 (I think this is right)

Step-by-step explanation:

Using the order of operations I started by multiplying both of the sides separately. The left side of the equation becomes 2a^2-b^2-ab while the right becomes 2a^2-b^2+ab. Then I put the sides together to add them and after combining like terms it becomes 4a^2-2b^2.

8 0
2 years ago
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