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jeka57 [31]
3 years ago
8

I need to solve this for my math homework asap thanks

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
6 0
You know the angle sum of a square is 360 degrees.
So,
360=70+120+86+x
360=276+x
Then you solve for x by isolating it (minus 276 on both sides)
360-276=276-276+x
84=x

The last angle is 84 degrees.
Have a nice day:)
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Shryia read a 480-page-long book cover to cover in a single session, at a constant rate. After reading for 1.5 hours, she had 40
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Answer:

The required equation is P(t) = -52t + 480

Step-by-step explanation:

Consider the provided information.

Let P represent the number of pages left to read after t hours.

Shryia read a 480-page-long book cover to cover in a single session, at a constant rate. After reading for 1.5 hours, she had 402 pages left to read.

Total number of page Shryia read in 1.5 hours is:

480-402 = 78

It is given that the rate is constant i.e 1.5 hours,

Therefore, she read 78 pages in 1.5 hours.

She can read \frac{78}{1.5} = 52 page per hour

The required equation is:

P(t) = -52t + 480

Where t represents the number of hours.

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If two cubes have edges of 1 and 2 , what is the sum of their volume???
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An equation of the form y=ax+b, where y and x are variables, and a and b are constants, is called a linear equation.

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The line passes through the origin only if b=0, as in our problem.

Any line (except vertical lines) represents a proportional relationship in that the change in y is proportional with the change in x. It is not a condition that the line passes through the origin.

In our specific case, y=(1/5)x, means that the change in y is always 1/5 of the change in x. That is, if x changes by 5 units, y changes by 1. If x changes by 10 units, y changes by 2, and so on.

So, the constant of proportionality is 1:5, or 0.2.

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3 years ago
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