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bulgar [2K]
3 years ago
13

The solution to 2x - 5 = 27 is also a solution of which of the following equations?

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0

Answer:

C) 2x+3=35

Step-by-step explanation:

Nata [24]3 years ago
5 0
The answer is
2x+3=35
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Round to the nearest tenth 2.8151
Paraphin [41]
._ is the tenths place . Therefore the answer is 2.8
5 0
3 years ago
Researchers report that on average freshman who live on campus gain 15 pounds during their first year in college. You survey 10
neonofarm [45]

Answer: 1.460

Step-by-step explanation:

Given : Researchers report that on average freshman who live on campus gain 15 pounds during their first year in college.

Let \mu represents the population mean .

Then, the set of hypothesis will be:-

H_0: \mu=15

H_a:\mu\neq15

We assume that this is normal distribution.

Sample size : n = 10, which is a small sample (n<30) ,s o we use t-test.

Sample mean : \overliene{x}=16.2\ lbs

Standard deviation : \sigma=2.6

The test statistic for population mean for small sample is given by :-

t=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

t=\dfrac{16.2-15}{\dfrac{2.6}{\sqrt{10}}}=1.45951276623\approx1.460

Hence , the value of test statistic = 1.460

4 0
3 years ago
Challenge Question Sally's bank account balance was $50 on Monday. On Tuesday, she bought a new pair of shoes for $45. On Thursd
Alex17521 [72]

Answer:

  $8

Step-by-step explanation:

After the shoe purchase, her balance was $50 -45 = $5.

After depositing her babysitting earnings, her balance was $5+25 = $30.

After buying pizza, her balance was $30 -42 = -$12.

<em>Assuming no overdraft charge</em>, her balance after depositing her earnings was ...

  -$12 +20 = $8

Sally's balance on Sunday was $8.

7 0
2 years ago
Which inequality is true?<br> 8/5 &lt;9/10 <br> 1&gt;6/5<br> 5/2&lt;2 1/2<br> 8/4&lt;5/2
AleksandrR [38]

Answer:

the last one : 8/4 < 5/2

Step-by-step explanation:

7 0
3 years ago
Solving for y. - y = -2x -5
Effectus [21]

Answer:

y = 2x+5

Step-by-step explanation:

Add y on both sides, this cancels out the y on the left side

add 2x and add 5 on both sides, this cancels out the -2x and the -5 on the left side.

<u>OR </u>

Divide/Multiply both sides by -1, as it will cancel out the negatives as two negatives make a positive.

If you needed a value for y, more info is needed.

hope this helps (:

please rate, thanks !

6 0
3 years ago
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