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3 years ago

Describe the trend/correlation shown in the scatter plot below

Mathematics

1 answer:

Mkey [24]3 years ago

3 0

Answer:

Negative correlation.

Step-by-step explanation:

Negative correlation means that as x increases, y decreases

Positive correlation means that as x increases, y also increases.

No correlation means that neither of the two above cases happens.

In the graph, we can see that on the right (when x is negative) the general y values are larger.

As x increases, the y-values decrease.

(Particularly, we could adjust these data with a linear equation with a negative slope)

Then this is a negative correlation.

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Azul bought 10 reams of paper at the store for a total of $84. The tax on the purchase was four dollars what was the cost of eac

olga55 [171]

Answer:

10x+4 = 84

Step-by-step explanation:

Azul bought 10 reams of paper at x dollars per ream

10x

The tax was 4 dollars

10x+4

The total cost was 84 dollars

10x+4 = 84

8 0

3 years ago

What is the average rate of change over the interval [0, 4]?

choli [55]

Answer:

$\frac{3}{4}$

Step-by-step explanation:

Given:

Interval, [0, 4]

Required:

Average range of change over [0, 4]

SOLUTION:

Find f(0) and f(4) from the graph:

$f(0) = 0$ (when x = 0, y = 0)

$f(4) = 3$ (when x = 4, y = 3)

Average rate of change = $\frac{f(b) - f(a)}{b - a}$

Where,

$a = 0, f(a) = 0$

$b = 4, f(b) = 3$

Plug in the values into the formula for average rate of change.

$= \frac{3 - 0}{4 - 0}$

$= \frac{3}{4}$

Average rate of change $= \frac{3}{4}$

8 0

3 years ago

How to put Twelve birds are 3 more than twice the number of birds Rhonda saw yesterday as an equation

Artist 52 [7]

First set up birds is +3 than 2x the number of birds Rhonda saw

Rhonda's birds = r

Current set of birds = c

c = 2r + 3

Current birds are equal to three more than double the amount of birds rhonda saw

3 0

3 years ago

X+Y=100 4.5X+20Y=822 Elimination, graphing,and substitution methods.

serious [3.7K]

Answer:

y=10

4 SX +20 Y= 822

Elimination

X - 10 -4

UX - 822-20Y

6.5

10 -4 = 822-201

- 4.5 = 822 - 204

15.54=774

4 = 90:13

= -40.129

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3 years ago

X = 3 y = 3 y=x Ox=6

Afina-wow [57]

Answer:

2,30

Step-by-step explanation:

6 0

3 years ago