Find the mean and range.

2 answers:

8 0

Hello!

The mean is the average. To calculate it you divide the sum all of all the numbers by the number of numbers.

220/8=27.5
The mean is 27.5.

The range is how spread out the data is (in terms of the least and greatest). To calculate it we will find the difference between the greatest and smallest numbers.

39-19=20
The range is 20.

Therefore, our answer is D.

I hope this helps!

adelina 88 [10]3 years ago

6 0

Answer: D
Mean: 27.5
Range: 20

26 + 19 + 23 + 39 + 31 + 34 + 23 + 25 = 220 / 8
39 - 19 = 20

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How to find the answer

KATRIN_1 [288]

Use this equation:
A = P(1+r)^t

Where A is the final amount
P is the initial amount
r is the annual rate
t is the time in years

P = 1500
r = 0.07
t = 3

A = 1500 (1.07^3)
≈ $1837.56

Have an awesome day! :)

5 0

3 years ago

Solve the following systems of equations algebraically. Write your answer in the form of (x, y).

Ne4ueva [31]

Let's solve your system by substitution.
y
=
3
x
+
5
;
y
=
x
+
19

Step: Solve
y
=
3
x
+
5
for y:
y
=
3
x
+
5

Step: Substitute
3
x
+
5
for
y
in
y
=
x
+
19
:
y
=
x
+
19
3
x
+
5
=
x
+
19
3
x
+
5
+
−
x
=
x
+
19
+
−
x
(Add -x to both sides)
2
x
+
5
=
19
2
x
+
5
+
−
5
=
19
+
−
5
(Add -5 to both sides)
2
x
=
14
2
x
2
=
14
2
(Divide both sides by 2)
x
=
7

Step: Substitute
7
for
x
in
y
=
3
x
+
5
:
y
=
3
x
+
5
y
=
(
3
)
(
7
)
+
5
y
=
26
(Simplify both sides of the equation)

Answer:
x
=
7
and
y
=
26

8 0

3 years ago

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marysya [2.9K]

Answer:

Detailed explanation of the answer is given in the attached files. Please have a look.

Step-by-step explanation: