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shtirl [24]
3 years ago
10

Need help with this math question

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
3 0

Answer:

23%

Step-by-step explanation:

There are 4 male and 3 female freshmen. Thus the total number of freshmen is 7.

On the other hand, we have 14 male students and 16 female students. Thus the total number of students is 30.

If a student is selected at random, the probability that the student is a freshman is;

( 7/30) * 100 = 23.33%

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If a figure can match itself in three postions what is the angle of roatation
ANEK [815]

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120 degrees

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8 0
3 years ago
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a_sh-v [17]
A). They are supplementary angles meaning they add up to 180
So
B) (12x+8)+(3x+7)=180
12x+8+3x+7=180
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-15 -15
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15/15x=165/15
x=11

Angle 1 is
12x+8
12(11)+8
132+8
140
Therefore measure of angle 1 is 140°

Angle 2
3x+7
3(11)+7
33+7
40
Measure of angle 2 is 40°

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Before calculators were around, why was it's advantageous to use logarithms to calculate roots
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