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anygoal [31]
3 years ago
15

Write the equation of the​ line, with the given​ properties, in​ slope-intercept form.

Mathematics
1 answer:
lukranit [14]3 years ago
3 0

Answer:

y=-4x-25

Step-by-step explanation:

y-y1=m(x-x1)

y-7=-4(x-(-8))

y-7=-4(x+8)

y=-4x-32+7

y=-4x-25

Please mark me as Brainliest if you're satisfied with the answer.

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Examine triangle ABC.<br><br> What is the value of x?<br><br> 37<br> 48<br> 127<br> 138
Flura [38]

The outside angle of B needs to equal 180 - 79 = 101 degrees.

The 3 outside angles of a triangle need to equal 360 degrees.

Set up the equation with what we know:

X + (x+5) + 101 = 360

Simplify:

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Subtract 106 from both sides:

2x = 254

Divide both sides by 2:

x = 254 / 2

x = 127

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Answer:

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In a large population of college-educated adults, the mean IQ is 118 with a standard deviation of 20. Suppose 200 adults from th
cricket20 [7]

Answer: 0.0793

Step-by-step explanation:

Let the IQ of the educated adults be X then;

Assume X follows a normal distribution with mean 118 and standard deviation of 20.

This is a sampling question with sample size, n =200

To find the probability that the sample mean IQ is greater than 120:

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Standardize the mean IQ using the sampling formula : Z = (X - μ) / σ/sqrt n

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Therefore, P(X>120) = 1 - P(Z < (120 - 118)/20/sqrt 200)

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The P(Z<1.41) can then be obtained from the Z tables and the value is 0.9207

Thus; P(X< 120) = 1 - 0.9207

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