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Morgarella [4.7K]
3 years ago
8

You might need:

Mathematics
1 answer:
vova2212 [387]3 years ago
5 0
Find the arc length of the semicircle either s
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In a certain class, 18/25 of the students got problem 10 wrong on Friday's math test.
tester [92]

Answer:

72% i think but I may be wrong

3 0
3 years ago
Estimate the circumference of the circle to the nearest hundredth. Use π = 3.14
nekit [7.7K]
The formula for the circumference of a circle is 2πr. r stands for the radius ehich is 1/2 of the diameter (the length from one edge of the circle to another on the inside of the circle). If you are estimating then you will want to change π to three and put that in for pie in the original equation.
6 0
3 years ago
Help!!! 100 points if correct!
musickatia [10]

Answer:

A. 11/12

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
How do you solve 8/14 = 2/x
mylen [45]

Answer:

x = 3 1/2

Step-by-step explanation:

8/14 = 2/x

Using cross products

8*x = 14*2

8x = 28

Divide by 8

8x/8 = 28/8

x = 7/2

x = 3 1/2

7 0
3 years ago
Solve B=1/4m(s+z) for s
ElenaW [278]

Answer:

s = \frac{-mz+4B}{m}

Step-by-step explanation:

Step 1: Distribute.

  • B = \frac{1}{4}m * s + \frac{1}{4}m * z
  • B = \frac{1}{4}ms + \frac{1}{4}mz
  • \frac{1}{4}ms + \frac{1}{4}mz = B

Step 2: Subtract 1/4(mz) from both sides.

  • \frac{1}{4}ms + \frac{1}{4}mz - \frac{1}{4}mz = B - \frac{1}{4}mz
  • \frac{1}{4}ms = -\frac{1}{4}mz + B

Step 3: Divide both sides by m/4.

  • \frac{1}{4}ms/\frac{m}{4}=(\frac{-1}{4}mz + B)/\frac{m}{4}
  • s = \frac{-mz+4B}{m}
6 0
3 years ago
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