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aev [14]
3 years ago
12

6. What percentage of the children in class 5 is a member of a sports club? 3

Mathematics
1 answer:
Juliette [100K]3 years ago
5 0

Answer:

75%

Step-by-step explanation:

Let x be the percentage for sports club members.

x% of 20 = 15

x/100 x 20 = 15

x/5 = 15

x = 75

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Fantom [35]

<u>Answer</u>:

A.  \frac{21}{4} \pi\ \space\ in

<u>Step-by-step explanation:</u>

The formula for arc length is:

arc length = rθ

where:

r is the radius = 7 in

θ is the central angle in radians = 135  ×  \frac{ \space\ \pi\ }{180}  = 3/4 π

Substituting these values into the formula:
arc length = 7 in × 3/4 π

                 = \frac{21}{4} \pi\ \space\ in

                             

6 0
1 year ago
Im so confused at part b) is not 0.98 and i dont know what is it
Angelina_Jolie [31]

Answer:

0.294

Step-by-step explanation:

The number of possible outcomes for 2 consecutive days is  2 (Friday, Saturday and Saturday,Sunday).

Prob( Friday, Saturday  has rain) = 0.70*0.70* 0.30) = 0.147 (No rain Sunday)

Prob( Saturday/Sunday  has rain) = 0.30*0.70*0.7) = 0.147  (No rain Friday)

Required Probability = 2*0.147

= 0.294.

8 0
3 years ago
Thirty-five girls out of 100 play a musical instrument.what percentage of the girls do not play a musical instrument?
andrey2020 [161]
65% all you have to do is 100-35 
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3 years ago
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No sé lo que quieres decir
5 0
2 years ago
If c – 8 is an odd integer, which of the following could be the value of c?
finlep [7]

Answer:

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Step-by-step explanation:

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