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Natasha2012 [34]
3 years ago
15

Help immediately!!!!! What is the average rate

Mathematics
2 answers:
Snezhnost [94]3 years ago
6 0

Answer:

the average rate of change is 4

Step-by-step explanation:

Akimi4 [234]3 years ago
4 0

Answer:

4

Step-by-step explanation:

1. Information

Another word for the average rate of change is the slope. The question is essentially asking, what the slope is over the interval of [3, 4]. Hence, one will use the following points, that are on this given function;

(3, -5), (4, -1)

One must also know that the formula for slope is;

\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

2. Solving

Input the given points into the formula and solve.

\frac{(-1)-(-5)}{(4)-(3)}

\frac{-1+5}{1}

\frac{4}{1}

4

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mojhsa [17]
A) it is left skewed
B) the median is 5
C) the mean is 5.15
D) the mean would be more affected (a change of 1.05 versus a change of 0.5).

The majority of the data is to the right of the graph; this means it is left skewed.

To find the median, write all of the data values out:
2, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7

The middle value is 5.

We find the sum of this set of values and divide by 13, the number of data points, to find the mean:
2+3+4+4+5+5+5+6+6+6+7+7+7 = 67/13 = 5.15

If we added an additional data value at 20, the new median would be 5.5.  The new mean would be (67+20)/14 = 6.2.  The mean changes more than the median.
4 0
3 years ago
What is the solution?
AfilCa [17]

Answer:

A

Step-by-step explanation:

4 0
3 years ago
The solution to the system equations
katovenus [111]

Let's solve this system of equations through substitution.

We have these two equations.

-7x-2y=14

6x+6y=18

Now let divide the second equation by 6.

6x+6y=18 ---->   x+y=3

Next, let us move y to the right side of the equation.

x+y=3 -------> x=3-y (x equals 3-y)

Because we found out that what x is in terms of y, we can input that in for every instance of x in this equation below.

-7x-2y=14 becomes -7(3-y)-2y=14 (Why? Because x equals 3-y!)

We have a one variable equation now and can solve for y.

-7(3-y)-2y=14

-21+7y-2y=14

5y=35

y=7

Plug in 7 for y in any equation to find x.

x+y=3

x+7=3

x=-4

answer: x=-4, y=7

3 0
3 years ago
A gardener has 12 5/8 pounds of mulch. She uses 8 3/16 pounds of the mulch. How much mulch is left?
SOVA2 [1]

Answer:

Exact Form: \frac{71}{16}

Decimal Form: 4.4375

Mixed Number Form: 4 \frac{7}{16}

Step-by-step explanation:

You subtract 12 \frac{5}{8} from 8 \frac{3}{16}. Hope this helps!

7 0
3 years ago
The quantity of 7 less than x, multiplied by 4
laila [671]
4(x-7) is what i got for my answer
7 0
2 years ago
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