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Anastasy [175]
4 years ago
6

What is the measure of angle c

Mathematics
2 answers:
drek231 [11]4 years ago
8 0

Answer:

C. 70^{\circ}

Step-by-step explanation:

We have been given an image of a triangle and we re asked to find the measure of angle C.

Angle sum property of triangles states that all angles of a triangle add up-to 180 degrees, so we can set an equation as:

m\angle A+m\angle B+m\angle C=180^{\circ}

Upon substituting the given measure of angle A and B in our equation we will get,

70^{\circ}+40^{\circ}+m\angle C=180^{\circ}

110^{\circ}+m\angle C=180^{\circ}

110^{\circ}-110^{\circ}+m\angle C=180^{\circ}-110^{\circ}

m\angle C=70^{\circ}

Therefore, the measure of angle C is 70 degrees and option C is the correct choice.

NNADVOKAT [17]4 years ago
6 0
C is the correct answer because triangles always equal to 180 degrees

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Suppose a large shipment of laser printers contained 18% defectives. If a sample of size 340 is selected, what is the probabilit
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Answer:

The probability that the sample proportion will be greater than 13% is 0.99693.

Step-by-step explanation:

We are given that a large shipment of laser printers contained 18% defectives. A sample of size 340 is selected.

Let \hat p = <u><em>the sample proportion of defectives</em></u>.

The z-score probability distribution for the sample proportion is given by;

                         Z  =  \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n}}  }  ~ N(0,1)

where, p = population proportion of defective laser printers = 18%

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Now, the probability that the sample proportion will be greater than 13% is given by = P(\hat p > 0.13)

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                                                                      = <u>0.99693</u>

The above probability is calculated by looking at the value of x = 2.74 in the  table which has an area of 0.99693.

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Answer:

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Step-by-step explanation: :(

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