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Tanzania [10]
2 years ago
10

which of the following solutions is the most acidic A. a solution is the most acidic B. a solution with pH of 2 C. a solution wi

th pH of 7 D. a solution with a pH of 9
Mathematics
1 answer:
faust18 [17]2 years ago
7 0

Answer:

to gorvenit means group

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Top right would be rhombus
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Find the area of this triangle
uysha [10]

Answer:

i think the answer is 67.5

3 0
2 years ago
Experience raising New Jersey Red chickens revealed the mean weight of the chickens at
Nikolay [14]

Answer:

p-value = 0.1277

Step-by-step explanation:

p-value is the probability value tell us how likely it is to get a result like this if the Null Hypothesis is true.

Firstly we find the mean and standard deviation of the given data set.

⇒ Mean = \frac{4.41 +4.37+ 4.33+ 4.35 +4.30 +4.39 +4.36+ 4.38+ 4.40+ 4.39}{10}

⇒ Mean = 4.368

Standard deviation(\sigma) = \sqrt{\frac{1}{n}\sum_{i=1}^{n}{(x_{i}-\bar{x})^{2}} }

where, \bar{x} is mean of the distribution.

⇒ Standard Deviation = 0.034

Applying t- test:

Let out hypothesis is:

H₀: μ = 4.35

H₁: μ ≠ 4.35

Now,

Here, μ = Population Mean = 4.35

\bar{x}= Sample Mean = 4.368

σ = Standard Deviation = 0.034

n = 10

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

Putting all values we get, t = 1.6777 with (10 -1) = 9 degree of freedom.

Then the p-value at 99% level of significance.

⇒ p-value = 0.1277

6 0
3 years ago
Is √3,600 rational or irrational? Please help asap.
natima [27]

Answer:

\sqrt{3600} is rational

Step-by-step explanation:

A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers. The answer of square root of 3600 is 60 which is not a decimal or an irrational number and therefore it's rational

6 0
3 years ago
Jenna is running a trail that is 8 4/7 miles long. If she has finished running 5/9 of the distance, about how far has she run?
Varvara68 [4.7K]

Answer:

Jenna has run the distance of \frac{100}{21} miles .

Step-by-step explanation:

The Distance for the trail = 8 \frac{4}{7} =  \frac{56+4}{7}

Or , Distance =  \frac{60}{7} miles

The distance cover by Jenna =  \frac{5}{9} miles of the distance

I.e The distance cover by Jenna =  \frac{5}{9} ×  \frac{60}{7}

Or, The distance cover by Jenna =  \frac{100}{21} miles

Hence Jenna has run the distance of \frac{100}{21} miles . Answer

5 0
2 years ago
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