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ANTONII [103]
2 years ago
5

Devin used what he learned in clas to determine that for every 8 grams of oxygen in water, there is 1 gram of hydrogen

Mathematics
1 answer:
MAXImum [283]2 years ago
6 0
And?... is that the question or is there more?
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Solve this PLZ!<br> 4 - 7 (v - 9) = -7 -6(v - 10)
Arisa [49]
I maybe wrong, but I think it is 14

Simplify both sides of the equation
(Do distributive property)
Add 6v to both sides
Subtract 67 from both sides
Divide both sides by -1
7 0
2 years ago
In a recent telephone survey, 5,000 randomly selected teenagers were asked to cite their primary social network sites. Six of 10
aleksklad [387]

Answer:

b. There is a 95% chance that the true proportion of teenagers who use Mybook as their primary social network site is in the interval (0.2964, 0.9036).

Step-by-step explanation:

Hello!

In general, a 95% confidence interval for the population proportion can be interpreted as: There is a 95% chance (or confidence) that the interval will contain the true value of the proportion.

(Remember the confidence level of 95% means that if you were to make 100 intervals for the population proportion, 95 of them will contain its true value)

The estimated parameter is the population proportion of teenagers that use Mybook as their primary social network site.

With this in mind then you can say that there is a 95% probability that the interval (0.2964, 0.9036) will contain the true value of the proportion of teenagers that use Mybook as their primary social network site.

The correct answer is: b

I hope this helps!

8 0
3 years ago
All you need is in the photo please answer fast
Solnce55 [7]

system of inequalitities is

\begin{gathered} 30m+45f\le60\times30 \\ 30m+45f\le1800 \end{gathered}

thats the first equation, then

0\le f\le20

and

m\ge0

answer is the second one

8 0
1 year ago
What percentage of households in the survey have four or more televisions?
Ratling [72]

Answer:

2.5% ?

Step-by-step explanation:

.025 as percentage is 2.5%

5 0
3 years ago
Daniya can complete a job in 6 minutes, while it takes Abraham 9 minutes to
lora16 [44]

Answer:

(eduacted guess) 7 minutes, 30 seconds

Step-by-step explanation:

May not be correct but what I did was find the average of 6 and 9. You add the 6 and the 9 (15), then divide it by 2.

3 0
2 years ago
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