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3 years ago

11

the equation y=-0.04×+ 12 gives the number of gallons of gad in your car, where × is the number of miles driven. Graph the equat

on. Interpret the slope and y-inercept of the line

1 answer:

NeTakaya3 years ago

8 0

Well we can learn that since the equation is in slope intercept form, 12 is the y-intercept and -0.04 is the slope

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A curious patterns occurs in a group of people who all shake hands with one another. It turns out that you can predict the numbe

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Missing part of the question

Determine the number of handshakes, i, that will occur for each number of people, n, in a particular room. (people)

Answer:

$S_n = \frac{n}{2}(n - 1)$

Step-by-step explanation:

Given

For 5 people

$\begin{array}{cc}{People} & {Handshakes} & {5} & {4} & {4} & {3} & {3} & {2} & {2} & {1} & {1} & {0} &{Total} & {10} \ \end{array}$

Using the given instance of 5 people, the number of handshakes can be represented as:

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$S_n = \frac{n}{2}{(T_1 + T_n})$

Where

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$T_n = 0$ --- The last term

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2 years ago

Point D is the centroid of Triangle ABC. Find CD and CE.<br> DE = 9

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Given:

Point D is the centroid of Triangle ABC and DE = 9.

To find:

The measures of CD and CE.

Solution:

We know that, centroid is the intersection of medians and it divides each median in 2:1.

In triangle ABC, CE is a meaning and centroid D divided CE in 2:1. So,

Let the measures of CD and DE are 2x and x respectively.

DE = 9 (Given)

$x=9$

Now,

$CD=2x$

$CD=2(9)$

$CD=18$

And,

$CE=CD+DE$

$CE=18+9$

$CE=27$

Therefore, the measure of CD is 18 units and the measure of CE is 27 units.

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Answer:

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3 years ago

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Answer:

Step-by-step explanation:

4 cups of J for every 7 cups of soda 4:7

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