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3 years ago

Which angles are complementary? I'm not sure if its B.

Mathematics

2 answers:

Angelina_Jolie [31]3 years ago

4 0

Answer:

You are right, it's B

Step-by-step explanation:

Complementary angles are angles that add up to 90 degrees.

Ray Of Light [21]3 years ago

4 0

Answer:

The answer is B. the measure of angle GPF and the measure of angle GPH.

Step-by-step explanation:

Two angles are called complementary when their measures add to 90 degrees.

Since the measure of angle FPD has a known angle measure of 90 degrees, the measure of angle FPH is also 90 degrees.

Thus, causing the measure of angle GPF and the measure of angle GPH to add up to 90 degrees, which makes the two angles complementary.

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A new surgery is successful 70% of the time , if the results of 8 such surgeries are randomly sampled, what is the probability t

il63 [147K]

Answer:

P (x>5) = 0.5324014=0.523

Step-by-step explanation:

Here success = p= 0.7 and failure = q= 1-p= 1-0.7 = 0.3

Number of surgeries= n= 8

Applying the binomial distribution

( p+q) ^n= nC x p^x . q^n-x

More than 5 means 6,7, and 8

( p+q) ^8= 8C 5 (0.7)^5 . (0.3)^3

=56* 0.16807*0.027

= 0.254121

( p+q) ^8= 8C 6 (0.7)^6 . (0.3)^2

= 28* 0.1177* 0.09

= 0.296604

( p+q) ^8= 8C 7 (0.7)^7 . (0.3)^1

= 8* 0.0824* 0.3

= 0.19776

( p+q) ^8= 8C8 (0.7)^8 . (0.3)^0

= 1* 0.05765* 1

=0.05765

Adding the above all probabilities gives

P (x>5) = P (x=6) + P(x=7) + P(x=8)

= 0.296604+0.19776+0.05765

= 0.5324014

7 0

3 years ago

Lyudmila bought a CD player for 25% off the regular price of $179.99. How much did she save? How much did she pay?

Naddik [55]

She paid $134.99 for the CD PLAYER

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3 years ago

What is the distance between each pair of points (-3,3),(5,0)

Effectus [21]

The formula of a distance between two points:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

We have the points (-3, 3) and (5, 0).

Substitute the coordinates of the points to the formula:

$d=\sqrt{(5-(-3))^2+(0-3)^2}=\sqrt{8^2+(-3)^2}=\sqrt{64+9}=\sqrt{73}$

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4 years ago

find the distance between two numbers on a number line. write your answer as a decimal. -7/9 , -2/9 the distance between the two

lukranit [14]

Answer:

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Step-by-step explanation:

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3 years ago

What is the least common multiple of 2 6 and 8

Serhud [2]

The least common multiple of 2, 6, and 8 is 24.

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