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andrew-mc [135]

3 years ago

11

In a telephone survey, drivers were asked, "Recalling the last ten traffic lights you drove through, how many were red when you

entered the intersection?" What type of variable is "number of traffic lights that were red"?
a. Categorical
b. Quantitative

1 answer:

MA_775_DIABLO [31]3 years ago

5 0

B quantitative idk if I right

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B. (x + 3)(x^2 – 3x + 27 )=

natali 33 [55]

(x+3)(x^2-3x+27)

x^3-3x^2+27x+3x^2-9x+81

x^3+19x+8

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3 years ago

Put 5x + 5y = -3,500 into a slope-intercept form

GREYUIT [131]

Slope intercept form is y=mx+b
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4 0

3 years ago

Read 2 more answers

The midpoint of AB is M(-5,1). If the coordinates of A are (-4,-5), what are the coordinates of B?

Elenna [48]

<u>ANSWER:</u>

The midpoint of AB is M(-5,1). The coordinates of B are (-6, 7)

<u>SOLUTION: </u>

Given, the midpoint of AB is M(-5,1).

The coordinates of A are (-4,-5),

We need to find the coordinates of B.

We know that, mid-point formula for two points A $(x_{1}, y_{1})$ and B $(x_{1}, y_{2})$ is given by

$M\left(x_{3}, y_{3}\right)=\left(\frac{x_{1}+x_{2}}{2}, \frac{y_{1}+y_{2}}{2}\right)$

Here, in our problem, $\mathrm{x}_{3}=-5, \mathrm{y}_{3}=1, \mathrm{x}_{1}=-4 \text { and } \mathrm{y}_{1}=-5$

Now, on substituting values in midpoint formula, we get

$(-5,1)=\left(\frac{-4+x_{2}}{2}, \frac{-5+y_{2}}{2}\right)$

On comparing, with the formula,

$\frac{-4+x_{2}}{2}=-5 \text { and } \frac{-5+y_{2}}{2}=1$

$-4+\mathrm{x}_{2}=-10 \text { and }-5+\mathrm{y}_{2}=2$

$\mathrm{x}_{2}=-6 \text { and } \mathrm{y}_{2}=7$

Hence, the coordinates of b are (-6, 7).

5 0

3 years ago

CAN YOU HELP ME PLEASEEEE ITS GEOMETRY!!! THANK YOUUU

SVEN [57.7K]

Answer:

117

Step-by-step explanation:

The angles line up~ P is the same as angel I.

5 0

3 years ago

Line a is perpendicular to line b. if the slope of line a is 1/8, what is the slope of line b

jenyasd209 [6]

Answer:

-8/1

Step-by-step explanation:

Perpendicular lines have opposite slopes., meaning the signs are opposite, and the numerator and denominator are flipped.

Here's another example:

If line a had a slope of 4/5, line b would have a slope of -5/4, if the lines are perpendicular.

8 0

3 years ago