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nikdorinn [45]
2 years ago
5

Write 13/5 as a mixed number

Mathematics
1 answer:
mihalych1998 [28]2 years ago
6 0

Answer:

2 <em>3/5</em>

Step-by-step explanation:

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I suck at figuring out the radius of a circle :c<br> Can someone help please :(
kvv77 [185]

First question:

The line segment that is 40 ft long is a tangent to the circle, meaning it creates a right angle with the radius that intersects it.

Let r be the radius of the circle.

We have a right triangle where the legs are r and 40, and the hypotenuse is (20+r)

I'm hoping you remember the Pythagorean Theorem because this is going to be an important equation for this problem (and the next).

Let's use the dimensions of the right triangle and create a Pythagorean Theorem truth statement:

r^2+40^2=(20+r)^2

Simplify the right side so it's easier to solve

r^2+1600=400+40r+r^2

Subtract both sides by r²

1600=400+40r

Subtract both sides by 400

1200=40r

Divide both sides by 40

r=30

The value of r is 30, meaning the radius is 30 feet.

Second question:

Please look at the attached image, it would be too hard to try and describe this in words.

We have a right triangle where the legs have a length of 3.6 and half of the length of KL, which is 4.

The hypotenuse is the radius, x.

Use Pythagorean Theorem's to solve for x

3.6^2+4^2=x^2

Simplify

x^2=28.96

Use a calculator to take the square root of 28.96

x=5.3814...

The image is not complete so I can't see how I have to round it, so here are a few different ways this could be rounded:

  • To the nearest tenths: x=5.4
  • To the nearest hundredths: x=5.38
  • To the nearest thousandths: x=5.381

Answerer's Note:

I'm so sorry this took so long to answer. Let me know if you need any clarifications, thanks!

~ Padoru

3 0
3 years ago
Solve the system of equations.<br> -<br> - 10x + 3y = 5<br> x = y - 4<br> 2<br> y =
Hitman42 [59]
Is the answer -1/6?!
3 0
2 years ago
What is the square route of 49
Katen [24]
7. 

One way to figure this out is to go from 2-10, and multiply them by them self each other to see what number works. 

Another way is to use a calculator and the square root button. 

Hope that helps!
8 0
3 years ago
Read 2 more answers
What is the simplified expression for the expression below? 4(3x – 2) + 6x(2 – 1)
igor_vitrenko [27]

Step-by-step explanation:

4(3x-2) + 6x(2-1)

10x + 11x

21x

8 0
3 years ago
Joel biked 9 miles east and 12 miles north. If he biked back to his starting point using the most direct route, how many miles w
love history [14]

Answer:

36 Miles

Step-by-step explanation: 15 + 9 + 12 = 36 miles

6 0
3 years ago
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