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Varvara68 [4.7K]
3 years ago
9

What does X equal to?

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
8 0
74 is the correct answer
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A circle with radius 4 inches is inscribed in an equilateral triangle. Find the area of the triangle.
LUCKY_DIMON [66]

The inscribed circle has its center at the point of intersection of the angle bisectors, which also happen to be the medians. Hence the altitude of the triangle is 3 times the radius, or 12 inches.

The side length of this triangle is 2/√3 times the altitude, so the area is

... Area = (1/2)·b·h = (1/2)·(24/√3 in)·(12 in)

... Area = 48√3 in² ≈ 83.1384 in²

7 0
3 years ago
Fred earns dollars. Chad earns 45% more than Fred which expression represents the amount of money in dollars that chad earns
Genrish500 [490]

Answer:

$0.45x

Step-by-step explanation:

Fred earns dollars. Let Fred earns $x.

Chad earns 45% more than Fred.

We need to find the expression for Chad.

Chad amount = 45% of x

=\dfrac{45}{100}x\\\\=0.45x

So, Chad earns $0.45x.

7 0
3 years ago
Determine whether the equation is always sometimes or never true 2(5x+4)=10x+6
Usimov [2.4K]
This equation is NEVER true. Let's solve the equations algebraically by applying the Distributive Property of Multiplication and transposing the terms across the equality sign. The solution is as follows:

<span>2(5x+4)=10x+6
10x + 8 = 10x + 6
10x - 10x = 6 - 8
0 = -2

Therefore, it is not true.</span>
3 0
3 years ago
Monica has a 24-inch square frame. There are 4 equal sides. She paints 3/4 of one side of the frame blue. What fraction of the f
IgorC [24]

Answer:

3/16

Step-by-step explanation:

Monica has a 24-inch square frame.

There are 4 equal sides.

Hence, length of each side=24/4 inch

                                           = 6 inch

She paints 3/4 of one side of the frame blue.

i.e. she paints   \dfrac{3}{4}\times 6 inch

Total part to be painted=24 inch

Hence, fraction of the frame Monica painted blue is:

\dfrac{3\times 6}{4\times 24}\\ \\= \dfrac{3}{16}

4 0
3 years ago
Read 2 more answers
For the triangle shown below, complete the following table.
Virty [35]

Answer:

See below ~

Step-by-step explanation:

<u>Sin A</u> : opposing side of ∠A / hypotenuse

  • <u>3/5</u>

<u>Sin C</u> : opposing side of ∠C / hypotenuse

  • <u>4/5</u>

<u></u>

<u>Cos A</u> : adjacent side of ∠A / hypotenuse

  • <u>4/5</u>

<u></u>

<u>Cos C</u> : adjacent side of ∠C / hypotenuse

  • <u>3/5</u>
6 0
2 years ago
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