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atroni [7]
3 years ago
11

In the diagram shown, /Il m, m

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
5 0

Answer:

  29°

Step-by-step explanation:

Angles 1 and 8 are alternate exterior angles where a transversal crosses parallel lines, so are congruent.

  m∠1 = m∠8

  3x+25 = 4x-17

  42 = m . . . . . . . . add 17-3x

Then the measure of ∠1 is 3·42 +25 = 151 (degrees), and the measure of its supplement, ∠2 is ...

  m∠2 = 180° -151° = 29°

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In a class, 60% of the students are girls. There are 18 girls in the class.
N76 [4]

Answer:

The answer is 30

Step-by-step explanation:

If you were to do 50% of 30, it would be 15 students that are girls. There's 18 students that are girls though, so the extra 10% would make 18 students in the class girls. The remaining 40% would be 12 boys. So basically you're taking 10% from one side and putting it in the other because 50% of 30 is 15 (well this is at least how I would do it, I don't know how others would do it though)

5 0
2 years ago
the length of 3 peices of wire are in the ratio 10:15:8.if the length of the shortest peice of wire is 2.4 find the difference i
dalvyx [7]
10:15:8
3:4.5:2.4
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7 0
3 years ago
Solve the equation -4x+12=-4 for x .
mihalych1998 [28]
-4x +12 -12 = -4 -12
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4 0
3 years ago
Read 2 more answers
There are 1295 students attending a small university there are 714 woman in rolled what percentage of students are woman
MatroZZZ [7]

Answer:

Approximately 55% of enrolled students are women.

Step-by-step explanation:

To find the percentage of a given set of data, you need to divide the number of actual students by the total number of students.  In this case, they are wanting the percentage of just women students at the university:

\frac{women students}{total students} =\frac{714}{1295} x 100 = 55%


4 0
3 years ago
An angle measures 19.4° more than the measure of its complementary angle. What is the measure of each angle?
8090 [49]

Answer:

37.8+52.2=90

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2x + 14.4 = 90

2x = 75.6

x = 37.8  (one angle)

And (x + 14.4) = 52.2 (other angle).

7 0
3 years ago
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