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dimaraw [331]
3 years ago
8

Let ∠D be an acute angle such that cosD=0.33. Use a calculator to approximate the measure of ∠D to the nearest tenth of a degree

.
Mathematics
2 answers:
bixtya [17]3 years ago
5 0

Answer:

.3

Step-by-step explanation:

.33 rounded equals .3

Kaylis [27]3 years ago
3 0

Answer:

PoInT tHrEe Is ThE aNsWeR

Step-by-step explanation:

.3

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Which of the following is a rational number ?
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79 because it cannot take two of the same number multiplied in order to get that answer.

Step-by-step explanation:

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2 years ago
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Find the 30th term of the following sequence. 1, 7, 13, 19, ...
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175

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United Blood Services is a blood bank that serves more than 500 hospitals in 18 states. According to their website, a person wit
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Answer:

a) 0.06 = 6% probability that a person has both type O blood and the Rh- factor.

b) 0.94 = 94% probability that a person does NOT have both type O blood and the Rh- factor.

Step-by-step explanation:

I am going to solve this question treating these events as Venn probabilities.

I am going to say that:

Event A: Person has type A blood.

Event B: Person has Rh- factor.

43% of people have type O blood

This means that P(A) = 0.43

15% of people have Rh- factor

This means that P(B) = 0.15

52% of people have type O or Rh- factor.

This means that P(A \cup B) = 0.52

a. Find the probability that a person has both type O blood and the Rh- factor.

This is

P(A \cap B) = P(A) + P(B) - P(A \cup B)

With what we have

P(A \cap B) = 0.43 + 0.15 - 0.52 = 0.06

0.06 = 6% probability that a person has both type O blood and the Rh- factor.

b. Find the probability that a person does NOT have both type O blood and the Rh- factor.

1 - 0.06 = 0.94

0.94 = 94% probability that a person does NOT have both type O blood and the Rh- factor.

6 0
2 years ago
Za and Zb are complementary angles. Za measures 78º.<br> What is the measure of Zb?
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Step-by-step explanation:

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<h3>What is a linear function ?</h3>

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here m is the slope and c is the y intercept.

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