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Roman55 [17]
2 years ago
10

Solve e^x = e^2x + 5 A) x = -5 B) x = 5 C) x = 10 D) X = -2

Mathematics
1 answer:
Vilka [71]2 years ago
6 0

Answer:

x=5

Step-by-step explanation:

it's correct one (B)

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Anna saved $20 in a jar each month for 2/1/2 years. She spent 75% of her savings on a computer. How much money did Anna have lef
strojnjashka [21]
2 and 1/2 years = 30 months

20 \times 30 = 600
100\% - 75\% = 25\%
600 \times 25\% = 150
The answer is A. $150

Hope this helps.
6 0
3 years ago
PLEASE HELP THANK YOUUUUU
katrin [286]

Answer:

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8 0
2 years ago
Determine the sum of the following series. ∑n=1[infinity](4^n+8^n/13n)
Gnoma [55]
N=1 4+7n=71 that is the answer
3 0
2 years ago
The average monthly cell phone bill was reported to be $50.07 by the U.S. Wireless Industry. Random Sampling of a large cell pho
zalisa [80]

Answer:

The null and alternative hypotheses are:

H_{0}:\mu= 50.07

H_{a}:\mu>50.07

Under the null hypothesis, the test statistic is:

t=\frac{\bar{x}-\mu}{\frac{s}{\sqrt{n}} }

Where:

\bar{x} = 52.86 is the sample mean

s=7.0132 is the sample standard deviation

n=10 is the sample size

\therefore t=\frac{52.86-50.07}{\frac{7.0132}{\sqrt{10}} }    

          =1.26

Now, the right tailed t critical value at 0.05 significance level for df = n-1 = 10-1 = 9 is:

t_{critical}=1.833

Since the t statistic is less than the t critical value at 0.05 significance level, therefore,we fail to reject the null hypothesis and conclude that there is not sufficient evidence to support the claim that the average phone bill has increased.


4 0
3 years ago
Quick which answer choice is it????
dmitriy555 [2]

Answer:

c

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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