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Usimov [2.4K]
1 year ago
6

What is the median of these numbers 2.4,2.8,2.3,2.9,2.9

Mathematics
1 answer:
liberstina [14]1 year ago
4 0

Answer:

2.8

Step-by-step explanation:

x2.3, x2.4, 2.8, x2.9, x2.9

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For each of the following, decide if the given series is a geometric series. A. 5+25x+125x2+625x3+3125x4+⋯ : Is this a geometric
Westkost [7]

Answer:

A. Yes.

B. Yes.

C. No.

Step-by-step explanation:

A. Yes. The sum of the series, 5 + 25x + 125x^{2} + 625x^{3} + 3125x^{4} + ........... is the sum of a geometric series.

The first term of the series a_n = 5.

The common ration or the ratio between successive terms (r) = \frac{25x}{5} = 5x (Answer)

B. Yes. The sum of the series, 5x^{7} + 5x^{8} + 5x^{9} + 5x^{10} + ............ is also the sum of a geometric series.

The first term of the series a_n = 5x^{7}.

The common ration or the ratio between successive terms (r) = \frac{5x^{8} }{5x^{7} } = x (Answer)

C. No. The sum of the series, 5 + 5x + 5x^{2} + 5x^{4} + 5x^{8} + ........... is not the sum of a geometric series.

The first term of the series a_n = 5.

(Answer)

5 0
2 years ago
Solve for x if 2(5x+2)^2=48
likoan [24]
2(5x + 2)^2 = 48
divide both sides by 2
(5x + 2)^2 = 24
square root both sides to clear the power of two.
5x + 2 = + - sqrt24
subtract 2 from both sides
5x = -2 + - sqrt 24
divide both sides by 5
x = (-2 +-sqrt24)/5 or decimal answers .58 and -1.38
7 0
2 years ago
Read 2 more answers
Consider the graph of the linear function h(x) = –x + 5. Which could you change to move the graph down 3 units?
KATRIN_1 [288]
The +5 because that's the y value on the graph
8 0
2 years ago
Read 2 more answers
A researcher is using a repeated-measures design to test for mean differences among four treatment conditions. If the data for t
vodka [1.7K]

Answer:

Step-by-step explanation:

Given that a  researcher is using a repeated-measures design to test for mean differences among four treatment conditions.

The data for this study consist of 10 scores in each treatment.

We have to find the total subjects who participated in the study.

Each treatment has 10 scores

No of treatments = 4

Hence subjects participated in the study

= no of treatment x no of subjects

= 10*4=40

6 0
2 years ago
Devon purchased a new car valued at $16,000 that depreciated continuously at a rate of 35%. Its current value is $2,000. The equ
irga5000 [103]

I hope the equation will be 2000=16000(1-r)^t because t is missing in the equation which we need to find.

Given rate: r= 35%= 0.35.

So, first step is to plug in 0.35 for r in the given formula to get the value of t.

Hence, the equation will be:

2000=16000(1-0.35)^t

2000=16000(0.65)^t (By subtraction)

2000/16000= 16000(0.65)^t /16000 (Dividing each sides by 16000)

0.125 = 0.65^t (By simplifying).

log 0.125 = log 0.65^t (Taking log each sides to isolate t).

log 0.125 = t log 0.65 (By applying the log property).

\frac{log 0.125}{log 0.65} =t (Dividing each sides by log 0.65)

-0.903/-0.187 =t

t= 4.83

t= 5 ( Rounded to nearest integers)

So, Devon's car is 5 years old.

7 0
2 years ago
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