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Effectus [21]
3 years ago
7

The area of a semicircle is A=1/2(3.14)r^2 solve for r

Mathematics
1 answer:
Inessa05 [86]3 years ago
7 0
First divide bot sides of the formula by 1/2(3.14):-

2A / 3.14 =  r^2

r = sqrt (2A/3.14)
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A cable is 50 decimeters long. How long is the cable in meters?
ratelena [41]

Answer:

The cable is 5 Meters long.

Step-by-step explanation:

3 0
3 years ago
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In a company, 37% of 1500 employees are females.work out the number of males in the company.
a_sh-v [17]
Formula:

y = p\% \times x
p = 37\% \div 100 = 0.37
y = 0.37 \times 1500 = 555
so there are 555 woman working.
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6 0
3 years ago
Naysha listens to the radio for five-sixths of an hour each day. which expressions represent the time naysha spends listening to
Yakvenalex [24]

The time Natasha listens to the radio can be represented as 7 times five sixths, 35/6 or 5/6 + 5/6 + 5/6 + 5/6 + 5/6.

<h3>How to find out the time Natasha listens to the radio in one week?</h3>
  • Time per day: 5/6 of an hour
  • Time per week: 5/6 + 5/6 + 5/6 + 5/6 + 5/6 = 35/6

or 5/6 x 7 = 35/6

<h3>How to represent this?</h3>

There are three options:

  • 5/6 + 5/6 + 5/6 + 5/6 + 5/6
  • 35/6
  • 5/6 x 7

Learn more about fractions in: brainly.com/question/10354322

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5 0
2 years ago
Mia has 40 tens. write how many hundreds. write the number
riadik2000 [5.3K]

Answer:

400

Step-by-step explanation:

You would multiply 40 by 10=400

4 0
3 years ago
in the following triangle, theta= 60. find the values of the angles B and B', which solve this ambiguous case
scZoUnD [109]
∠B + ∠B` = 180°
The Sine Law:
10 / sin B` = 9.2 / sin 60°
10 / sin B` = 9.2 / √3/2
sin B` = 0.94133
B` = sin^(-1) 0.94133
Answer:
C ) ∠B` = 109.73°, ∠B = 70.27°
8 0
3 years ago
Read 2 more answers
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