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777dan777 [17]
3 years ago
8

Solve question 21 in the photo☺

Mathematics
1 answer:
Fynjy0 [20]3 years ago
6 0
Number of girls in the school = 675 * 0.56 =  378

2/9 of these are over 16 , so this is:-

378 * 2/9 =  84 Answer
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Suppose there are two types of persons: high-ability and low-ability. A particular diploma costs a high-ability person $10,000 a
tekilochka [14]

Answer:

K must be in range <u>$45000 ≤ k ≤ $53000 </u>to make this an effective screening device.

Step-by-step explanation:

In order for the screening device to be effective, the range of k must be such that, it is more than the pay of a worker without diploma. The extra amount must at least be equal to the cost of diploma

So the value of k must be in range from (35000 + 10000) to (35000 + 18000)

Hence,

<u>$45000 ≤ k ≤ $53000</u>

8 0
3 years ago
B. 1/2 of 4/5 = ____ fifth(s)
MrRissso [65]

Answer:

2 because of the way the question is written

2/5 if you get 2 wrong.

Step-by-step explanation:

1/2 * 4/5  of means multiply

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Answer: 4 / 10 but this will reduce. Divide Top and Bottom by 2

4/2 = 2

10/2 = 5

Answer: 2/5

The way you should answer is 2 because the question gives you the fact that it is in 5ths. If you get it wrong then put in 2/5.  

5 0
3 years ago
What is the smallest degree of rotation that will map a regular 18 gon on to itself
natali 33 [55]

Answer:

  20°

Step-by-step explanation:

Rotating the figure through an angle equal to the central angle of one "sector" will do the required mapping. That is 360°/18 = 20°.

5 0
3 years ago
What is 60% of 20?<br><br><br><br> PLEASE ANSWER ASAP
natulia [17]

Answer:

the answer would be 12

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
a sign in front of a roller coaster say '' you must be 40 inches tall to ride" what percentage of 54 inches of this is?
cupoosta [38]
The 54 percentage of 40 inches is 21.6 inches
5 0
3 years ago
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