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3 years ago

Secant and Tangent Angles in circles. Solve for x.

Mathematics

2 answers:

rodikova [14]3 years ago

5 0

Answer: x = 0.6

Step-by-step explanation: i dont want to explain the math i did because it already took up too much time. but im pretty sure that its the right answer. after i got 0.6, i plugged it back into the equation to check and it worked

poizon [28]3 years ago

3 0

Answer:

x = 1

Step-by-step explanation:

5x + 17 = 1/2[(73x + 5) - (23x - 5)]

5x + 17 = 1/2[37x + 5 - 23x + 5]

5x + 17 = 1/2[14x + 10]

5x + 17 = 1/2 * 2(7x + 5)

5x + 17 = 7x + 5

5x - 17x = 5 - 17

-12x = - 12

x = - 12/-12

x = 1

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The average speed of a car driving down freeway is 70mph with a standard deviation of 5mph. Thid speed is normally distributed.

ikadub [295]

Answer:

0.081,0.2621,0.645,0.919

Step-by-step explanation:

Let X be the average speed of a car driving down freeway

Given that X is normal with mean as 70mph with a standard deviation of 5mph.

To convert to Z score we do

$Z =\frac{x-70}{5}$

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2 years ago

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valina [46]

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3 years ago

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malfutka [58]

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Step-by-step explanation:

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Read 2 more answers

Secant and Tangent Angles in circles. Solve for x.​

Secant and Tangent Angles in circles. Solve for x.