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Sedbober [7]
3 years ago
5

Does anyone understand this?

Mathematics
1 answer:
Vinil7 [7]3 years ago
6 0
The second one would be true
Hope this helped.
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Find the value of X. Round to the<br> nearest tenth. <br> 7.4in <br> 2.4in<br> x
Darya [45]

Answer:

4.4 inches

Step-by-step explanation:

Here, we are interested in calculating the value of x.

Mathematically, a line that comes from the center of the circle and extends to a chord, divides the chord into two equal parts.

This means what we have is a right angled triangle with the radius being the hypotenuse, the half of the length of the chord as the other side of the triangle.

3.7 is half the length of the chord i.e 7.4/2

Thus;

using Pythagoras’ theorem

x^2 = 2.4^2 + 3.7^2

Pythagoras’ posited that the square of the hypotenuse is equal to the sum of the squares of the other two sides of the triangle.

Thus;

x^2 =5.76 + 13.69

x^2 = 19.45

x = √(19.45)

x = 4.41 inches which is 4.4 inches to the nearest tenth

6 0
2 years ago
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7/5 miles in 2/3 hour, what is the unit rate?
Murljashka [212]

Answer:

= 3.5 miles per hour

Showing Work

This is a fraction equal to

7 miles ÷ 2 hours

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 2

7 miles ÷ 2

2 hours ÷ 2

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= 3.5 miles per hour

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2 years ago
What is the value of the expression (9+15)/3+2?
KIM [24]
(9+15)/3+2
24/3+2
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3 years ago
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Drag the tiles to the boxes to form correct pairs.
snow_lady [41]

Answer:

The answer is -23

Step-by-step explanation:

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Which of these problem types can not be solved using the Law of Sines?
andrezito [222]

I think the answer is B!

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