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gulaghasi [49]
2 years ago
14

What is the value of a? A. 42.6 B. 31.6 C. 26.6

Mathematics
1 answer:
Karo-lina-s [1.5K]2 years ago
6 0

Answer:31.6

Step-by-step explanation: i did the test

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Please help me find the answer, i will friend you
snow_lady [41]
Ok so what you need to do is first find the area of the circle using π r^2. So π12^2 or π144= 452.389342117 This is the area of the whole circle. To find the area of the sector you have to multiply the total area by 172/360 or 0.47777777777 This will get you 216.141574567 round as necessary but your answer is <span>216.141574567units^2</span>
6 0
3 years ago
WRITE AN EQUATION FOR EACH OF THESE AND SOLVE IT TO FIND THE VALUE OF THE UNKNOWN NUMBER:
castortr0y [4]

a) a *5+5= 20

5a + 5 = 20

5a = 20 - 5

5a = 15

a = 15/5

a = 3

b) b/5 - 5 = 4

b/5 = 4 + 5

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8 0
3 years ago
Read 2 more answers
The length of a box as reported by its manufacturer is 13.67 cm. Joe has a ruler which has markings for each millimeter. Which m
AlekseyPX

Answer:

Option (3)

Step-by-step explanation:

Joe has a ruler which has markings for each millimeter, so the least measurement which Joe can do is in millimeter.

Since, 10 mm = 1 cm

Therefore, 1 mm = 0.1 cm

This rule states that Joe can measure a length or distance in nearest tenth of a cm only.

If length of a box = 13.67 cm,

So Joe can measure it as 13.7 cm approximately.

Therefore, Option (3) will be the answer.

6 0
3 years ago
A pop singer sells her albums on CDs and by digital downloads. The equations below describe the relationship between x, the numb
Katena32 [7]

The equation that can be used to represent the number of albums at which the profit would be equal for the two methods of selling her album is -0.03x² + 4x + 6000 = 0

<h3>How to solve equations in the form of no quadratic</h3><h3 />
  • x = the number of albums sold
  • y = the profit in dollars,

Method 1, y = -0.05x² + 12x - 8000

Method 2, y = -0.02x² + 8x - 2000

  • Equation both equations

-0.05x²2 + 12x - 8000 = -0.02x²2 + 8x - 2000

- 0.05x² + 0.02x² + 12x - 8x - 8000 + 2000 = 0

-0.03x² + 4x - 6000 = 0

where,

a = -0.03

b = 4

c = -600

Learn more about equation:

brainly.com/question/16863577

4 0
3 years ago
in a jumping contest marcus jumped 1.02 meters Gustavo jumped 1.29 meters and Loreena jumped 1.202 meters. Who won the jumping c
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Gustavo won, this question tries to trick you by adding more digits to Loreena.
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4 years ago
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