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Lyrx [107]
3 years ago
13

a) an angle measures 40 degrees. What is the measure of its complement? b) an angle measures 26 degrees. What is the measure of

its compliment?
Mathematics
1 answer:
slava [35]3 years ago
8 0

Complementary angles add to 90 degrees

A)  40 +c = 90

subtract 40 from each side

40+c -40 = 90-40

c = 50

The complement is 50 degrees

B)  26 +c = 90

subtract 26 from each side

26+c -26 = 90-26

c = 64

The complement is 64 degrees


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Answer:

$38.57

Step-by-step explanation:

Make a proportion.

\frac{27}{x} = \frac{70}{100}

Cross multiply.

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2700 divided by 70 = 38.57142857

Round the result to the hundredths place.

38.57142857 ≈ 38.57

**Hope this helps!

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Step-by-step explanation:

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3 years ago
in a city school of 1,200 students, 40% of the students are on the honor roll, 60% have a part-time job, and 22% are on the hono
Alexus [3.1K]
Let
A = event that the student is on the honor roll
B = event that the student has a part-time job
C = event that the student is on the honor roll and has a part-time job

We are given
P(A) = 0.40
P(B) = 0.60
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We want to find out P(A|B) which is "the probability of getting event A given that we know event B is true". This is a conditional probability

P(A|B) = [P(A and B)]/P(B)
P(A|B) = P(C)/P(B)
P(A|B) = 0.22/0.6
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Convert this to a percentage to get roughly 36.67% and this rounds to 37%

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Step-by-step explanation:

:>

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3 years ago
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