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Vikki [24]
2 years ago
7

What is the independent variable?

Mathematics
1 answer:
Sever21 [200]2 years ago
5 0

Answer:

Step-by-step explanation:

Well, I'm not sure if I'm correct, but from what I've learned, and independent variable is first which could be the temperature.

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. A recent report in a women magazine stated that the average age for women to marry in the United States is now 25 years of age
Setler [38]

Answer: 0.0136

Step-by-step explanation:

Given : Mean : \mu=25

Standard deviation : \sigma=3.2

Sample size : n=50

The formula to calculate the z-score :-

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For x = 24

z=\dfrac{24-25}{\dfrac{3.2}{\sqrt{50}}}=-2.21

The p-value = P(z\leq-2.21)= 0.0135526\approx0.0136

Hence, the probability that the sample mean age for 50 randomly selected women to marry is at most 24 years = 0.0136

3 0
3 years ago
Hello, this is my last attempt to get it right so if you can please help me​
irga5000 [103]

Answer:

138°

Step-by-step explanation:

x+115°=6x° [ being vertically opposite angle]

or, 115=6x - x

or, 115=5x

or, 115/5 =x

or, x=23

Then,

x+115°

= 23+115°

=138°

<em>Mark</em><em> </em><em>me</em><em> </em><em>brainliest</em><em> </em><em>plz</em><em>.</em>

8 0
2 years ago
Read 2 more answers
What do i write i need help so i can do this
goblinko [34]

Answer:

Step-by-step explanation:

First what you want to is subtract 7 from both sides, then you want to divide -2/3 from both sides.

8 0
2 years ago
Read 2 more answers
The temperature drops from 7°F to -17°F. By how much did the temperature decrease?
uysha [10]

Answer:

24 degrees

Step-by-step explanation:

If you use 0 as kind of a benchmark it is really useful, frist you subtract 7, because it is our positive number., then you subtract 17 from 0, making -17.

7+17=24

3 0
3 years ago
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What is the percent of 5/8
Nady [450]
62.5% is the percent off 5/8
4 0
3 years ago
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