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Harman [31]
4 years ago
7

.......The value of x is:

Mathematics
1 answer:
Wewaii [24]4 years ago
4 0
The two horizontal lines are parallel, so the smaller triangle is similar to the entire triangle.

That means the sides are proportional to each other. So pick two sides of the triangle and find the ratio between them. The ratio must be the same for both triangles.

(15/5) = (15+x)/8

Solve for x.

15*8 = 5(15+x)

120 = 75 + 5x

5x = 45

x = 9



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Find the area of all shaded regions. Give your answer as a completely simplified exact value in terms of pi. (no approximations)
Ymorist [56]

The area of the shaded regions is: 44π

<h3>What is the Area of a Circle?</h3>

Area of a circle where "r" is the radius is determined using the formula: πr².

The figure given has three circles, namely:

  • Circle A with radius of 8 cm.
  • Circle B with radius of 4 cm.
  • Circle C with radius of 2 cm.

The area of the shaded regions = <em>Area of circle A - Area of Circle B + Area of Circle C</em>

Area of Circle A = (π)(8)² = 64π

Area of Circle B = (π)(4)² = 16π

Area of Circle C = (π)(2)² = 4π

Thus:

The area of the shaded regions = 64π - 16π + 4π

The area of the shaded regions = 44π

Learn more about area of circle on:

brainly.com/question/15673093

3 0
3 years ago
What type of function is represented below the tables of value??
sergey [27]
This is a linear function. They vary directly with each other.

x increasing by 1 each time.

y increases by 4 each time.

I hope this helps!
~kaikers

7 0
4 years ago
Javier's employer pays for 43% of his annual health insurance premium. javier pays the remaining balance by having it deducted f
mihalych1998 [28]
<span>Let us start with the percentage of premium paid by Javier. Since the employer pays 43%, the remaining 57% (100-43) is paid by Javier. Now let us find out how much is deducted from his paychecks during the year. In one month, $157.38 x 2 = $314 .76 is deducted by the employer. So in 12 months, the amount equal to 57% of the health premium will be $314.76 x 12 = $3777.12. If $ 3777.12 is 57% of a certain number, to find the number, multiply $3777.12 with the reciprocal of the fraction. (57/100) So the unknown number = $3777.12 * 100/57 = $6626.53 Javier's total annual health premium, therefore, is $6626.53</span>
8 0
4 years ago
Read 2 more answers
Pls answer this along with ur method
Lesechka [4]
Y = 2

y/4 + 2/3 = y/3 + 1/2

2/4 = 1/2
2/3 = 2/3

2/4 + 2/3 = 2/3 + 1/2
3 0
4 years ago
Can one of y’all help me please????
amid [387]

Answer:

1,0

Explanation:

Graphically, where the line crosses the x -axis, is called a zero, or root. Algebraically, a zero is an x value at which the function of x is equal to 0 . Linear functions can have none, one, or infinitely many zeros.

7 0
3 years ago
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