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2 years ago

(-1,-2) (2,7) in slope intercept form

Mathematics

1 answer:

kow [346]2 years ago

3 0

I hope it will help you :)

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Two angles are supplementary. The measure

BlackZzzverrR [31]

Answer:

57°

Step-by-step explanation:

Let's assume the measurement of the second angle is x.

so, following the problem

(2x + 9) + x = 180

2x + x = 3x

=> 3x + 9 = 180

=> 3x = 180 - 9

3x = 171

x = 171/3

x = 57°

57° is the smallest angle

5 0

2 years ago

Lines l and k are parallel to each other. mA=120 degrees. and mC=80 degrees. What is the number of degrees in mB??

djverab [1.8K]

Answer:

Step-by-step explanation:

6 0

2 years ago

What is the value of x

amm1812

Answer:

x=123

Step-by-step explanation:

x is across from the angle that measures 123 degrees. Therefore, they are vertical angles, and are congruent.

x=123

Additionally, 57 and x are on a straight line. This means they are supplementary and add to 180 degrees

57*x=180

Subtract 57 from both sides to get x by itself.

x=123

6 0

2 years ago

Find the slope of the line between the ordered pair (−1,4)and(4,−1)

vekshin1

Answer:

Slope EQUALS: $-\frac{6}{7}$

Step-by-step explanation:

y=-x+3

4 0

2 years ago

The heights of women aged 30 to 35 are approximately Normal with mean 63 inches and standard deviation 2.4 inches. Men the same

gavmur [86]

Answer

given,

mean of women (μ)=63 inches

standard deviation of women (σ)= 2.4 inches

mean of men (μ)=70 inches

standard deviation of women (σ)= 2.5 inches

for women

$P(x>66)$

$P(x>66) = 1-P( \dfrac{x - \mu}{\sigma}$

$P(x>66) = 1-P( z$

using z-table

$P(x>66)= 1 - 0.8944$

$P(x>66)=0.1056[/tex]for men[tex]P(x>66)$

$P(x>66) = 1-P( \dfrac{x - \mu}{\sigma}$

$P(x>66) = 1-P( z$

using z-table

$P(x>66)= 1 - 0.0548$

$P(x>66)=0.9452$

4 0

3 years ago