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3 years ago

What is the slope OF THE GRAPH, not what is A slope, what is THE slope

Mathematics

2 answers:

Elenna [48]3 years ago

4 0

Answer:

the slope of this graph is $-\frac{3}1}$

Step-by-step explanation:

You can find the slope by choosing any two ordered pairs in this case I choose (2,-4) and (-1,1). The you find the run and rise. Slope= $\frac{rise}{run}$ , the run was 3 up and the run was 1. And it is negative because it is going down to the right.

Oksanka [162]3 years ago

3 0

Answer:

-3/1

Step-by-step explanation:

The slope can be found by putting the rise over the run.

Pick 2 points on the graph that intercept the line.

I'll pick (0,2), and (1,-1)

Look at the rise.(How many places it goes up or down)

The rise vertical distance(rise), between the two points is -3.

Now look at the run(the horizontal distance.) It's 1.

Rise/Run = -3/1 AKA -3

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Step-by-step explanation:

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Marty made a $220 bank deposit using $10 bills and $5 bills. She gave the teller a total of 38 bills, how many $5 bills were in

Luda [366]

ANSWER: 32 five-dollar bills

======

EXPLANATION:

Let x be number of $5 bills

Let y be number of $10 bills

Since we have total of 38 bills, we must have the sum of x and y be 38

x + y = 38 (I)

Since the total amount deposited is $220, we must have the sum of 5x and 10y be 220 (x and y are just the "number of" their respective bills, so we multiply them by their value to get the total value):

5x + 10y = 220 (II)

System of equations:

$\left\{ \begin{aligned} x + y &= 38 && \text{(I)} \\ 5x + 10y &= 220 && \text{(II)} \end{aligned} \right.$

Divide both sides of equation (II) by 5 so our numbers become smaller

$\left\{ \begin{aligned} x + y &= 38 && \text{(I)} \\ x + 2y &= 44 && \text{(II)} \end{aligned} \right.$

Rearrange (I) to solve for y so that we can substitute into (II)

$\begin{aligned} x + y &= 38 && \text{(I)} \\ y &= 38 - x \end{aligned}$

Substituting this into equation (II) for the y:

$\begin{aligned} x + 2y &= 44 && \text{(II)} \\ x + 2(38 - x) &= 44\\ x + 76 - 2x &= 44 \\ -x &= -32 \\ x &= 32 \end{aligned}$

We have 32 five-dollar bills

======

If we want to finish off the question, use y = 38 - x to figure out number of $10 bills

$y = 38 - 32 = 6$

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3 years ago

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Norma-Jean [14]

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Obtuse angles are greater than 90 degrees, so there's no way
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The answer to the question is 'No'.

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A scale model of a bicycle has a scale of 1 : 10. The real bicycle has a length of 1.6 m. What is the length of the model in cm?

garri49 [273]

Answer:

16 cm

Step-by-step explanation:

1.6 m = 160 cm

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