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e-lub [12.9K]
3 years ago
11

Please help me with my math homework?! I have to show my work.

Mathematics
1 answer:
slava [35]3 years ago
5 0
Which question? Or all of them?
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If a school had 1531 students, about how many would you expect to have an IQ greater than 145?
Flauer [41]

Answer:

Step-by-step explanation:

Approximately 95% of the population has IQ scores between 70 and 130. Approximately 99.7% of the population has IQ scores between 55 and 145. Only approximately 0.3% of the population has IQ scores outside of this interval (less than 55 or higher than 145).

6 0
3 years ago
Solve for the approximate measure of angle C. <br><br> 38.66<br> 36.87<br> 53.13<br> 51.34
Elis [28]

Answer:

m<C  = 36.87degrees

Step-by-step explanation:

Solve for the approximate measure of angle C.

From the given diagram;

AC is the hypotenuse

BC is adjacent to <C

Cos m<C = adj/hyp

Cos m<C = BC/AC

Cos m<C = 20/25

Cos m<C = 0.8

m<C = arccos (0.8)

m<C  = 36.87degrees

8 0
2 years ago
A conjecture and the two-column proof used to prove the conjecture are shown.
slavikrds [6]

given: s is the midpoint of rt

definition of midpoint: rs st

given: st xy

transitive property of congruence: rs xy

8 0
3 years ago
Can someone help me on this math question pls I have 12 more questions I need help on too !
love history [14]

A is the answer. Since they will both be divided by 4 due to the same amount of points, because Globrite has a greater range, it will have a greater mean. Glo brite also ranges bigger than Luminate

5 0
3 years ago
The 70th term of the arithmetic sequence the 70th term of the arithmetic sequence 18,34,50,...
Sedbober [7]

Answer:1122

Step-by-step explanation:

Hve to work out the general equation first by calculating the common difference-16.

3 0
2 years ago
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