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vitfil [10]
3 years ago
5

Take the number you are given, double the difference between your number and 5, add four, divide by 2. If the first number is 12

, what will be the value of the third number.
A) -3
B) -2
C) 2
D) 3
E) 7
Mathematics
1 answer:
ANTONII [103]3 years ago
7 0

Answer:

3

Step-by-step explanation:

Here's the rundown of values:

12=9

9=6

6=3

3rd value=3

*The values are created through going through the numerical process.

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In \triangle BCD,△BCD, \overline{BC}\cong \overline{DB}
Mariana [72]

Answer:16.5

Step-by-step explanation: x+x+147=180

2x+147=180

2x=33

2x=33 divide by 2

x=16.5

8 0
3 years ago
The following three shapes are based only on squares, semicircles, and quarter circles. Find the perimeter and the area of each
zysi [14]

Answer:

Area: 16π-32

Perimeter: 4π + 8sqrt(2)

Step-by-step explanation:

Area:

The shaded part plus the right triangle BCD makes a quarter circle, so you can find the area of the quarter circle minus the triangle.

For the quarter circle, the radius is 8, so the entire circle area is 64π, making the quarter circle 16π.

The triangle is 8*8/2 = 32.

So, the quarter circle minus the triangle, or the area, is 16π-32.

Perimeter:

Again, this is a quarter circle. So, you can add the lengths of arc BD and the line segment BD.

The radius is 8, so the entire circumference is 16π, making the quarter circle 4π.

The hypotenuse of the right triangle will be sqrt(8*8+8*8), or 8sqrt(2).

Add and get 4π + 8sqrt(2) as your perimeter.

6 0
3 years ago
What is the are of the shaded region?
Eva8 [605]
Shaded area = Area of circle - 2(area of one triangle)

The circle has radius 5 cm, so its area is \pi 5^2=25\pi

The triangle has a base of 6 cm. Two of its legs coincide with the radius of the circle, which means the height of the triangle must be 5 - 1 = 4 cm. So one triangle's area would be \dfrac12\times6\times4=12.

Shaded area = 25\pi-2(12)=25\pi-24.
4 0
3 years ago
Please help me! Thank you!
Mariana [72]
The correct answer is D
4 0
3 years ago
Find the value of r in the triangle shown below
Strike441 [17]

Answer:

150

Step-by-step explanation:

The r is tr

8 0
3 years ago
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