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bagirrra123 [75]
2 years ago
8

Plzzzzz help asap if i don't get it in like 10 mins the whole thing will restart

Mathematics
1 answer:
Sergio [31]2 years ago
4 0

Answer:

I am going to assume the 25 is 25%

Step-by-step explanation:

25/100 *212

1/4*212=53

53 acres of land is carrots

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How to convert 2500mcg to mg
Volgvan

Answer:2500mcg would be 2.5mg

Step-by-step explanation:

1000mcg = 1mg so 2500mcg = 2.5mg

6 0
3 years ago
It is advertised that the average braking distance for a small car traveling at 65 miles per hour equals 120 feet. A transportat
Mrrafil [7]

Answer:

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the mean is equal to 120 or not, the system of hypothesis would be:  

Null hypothesis:\mu = 120  

Alternative hypothesis:\mu \neq 120  

Part 2

Calculate the statistic

We can replace in formula (1) the info given like this:  

z=\frac{114-120}{\frac{22}{\sqrt{36}}}=-1.636    

P-value

Since is a two sided test the p value would be:  

p_v =2*P(z  

Step-by-step explanation:

Data given and notation  

\bar X=114 represent the sample mean  

\sigma=22 represent the population standard deviation

n=36 sample size  

\mu_o =120 represent the value that we want to test

\alpha represent the significance level for the hypothesis test.  

t would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

Part 1

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the mean is equal to 120 or not, the system of hypothesis would be:  

Null hypothesis:\mu = 120  

Alternative hypothesis:\mu \neq 120  

If we analyze the size for the sample is > 30 and we  know the population deviation so is better apply a z test to compare the actual mean to the reference value, and the statistic is given by:  

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}}  (1)  

z-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".  

Part 2

Calculate the statistic

We can replace in formula (1) the info given like this:  

z=\frac{114-120}{\frac{22}{\sqrt{36}}}=-1.636    

P-value

Since is a two sided test the p value would be:  

p_v =2*P(z  

8 0
2 years ago
NC0 + nC3 + nC6 + nC9 + ...<br><br> what does this equal to?
galina1969 [7]
NC18 apparently this is too short of an answer and is not explained well
5 0
3 years ago
The length of the shorter side of a parallelogram is 29 cm. Perpendicular line segment, which goes through the point of intersec
Katena32 [7]
A = 900cm^{2}

The area of a parallelogram can be found by taking its base (b) and multiplying by the height (h). The base has the measure of 33 +12 = 45 cm. Now, you just need to find the height of the parallelogram. The height can be found by using the pythagorean theorem (a^{2} +  b^{2} =  c^{2}. 

So, when simplified the height of the parallelogram will be found from \sqrt{ 29^{2} -  21^{2}}

The height is 20 cm. The base is 45 cm. 45 x 20 = 900. 
6 0
3 years ago
Has a slope of 1/2 and passes<br> through the point (-2, 4).<br> Need the equation please
nikklg [1K]

Answer: Mark me brainliest..

Step-by-step explanation: and imma put the answer inside the comments if you do so. youve got nothing to lose! :D

5 0
2 years ago
Read 2 more answers
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