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zheka24 [161]
3 years ago
12

GUYS I SWEARRR I NEED HELP PLS IM BEGGING IMA FAIL MA TEST

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
5 0

Answer:

G is correct

Step-by-step explanation:

pls brainliest,      

liubo4ka [24]3 years ago
3 0

Answer:

g

Step-by-step explanation:

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Can a triangle can have sides with lengths 2.7, 3.5, and 9.8.
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Answer: No

Step-by-step explanation:

2.7 + 3.5 is not greater than 9.8.

8 0
2 years ago
Read 2 more answers
4x5+4x1= blank x6 (distributive property)
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Multiply all the numbers by what you see on the screen and the six the side and then divide it into a equal amount.

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3 years ago
The average high-density lipoprotein (HDL) cholesterol level of adult females is 53 milligrams per deciliter. You want to determ
emmasim [6.3K]

Answer:

t=\frac{54.1-53}{\frac{1.78}{\sqrt{12}}}=2.14  

df = n-1= 12-1=11

p_v = P(t_{11}>2.14) =0.0278

Step-by-step explanation:

Data provided

\bar X=54.1 represent the sample mean in mg per deciliter of cholesterol level

s=1.78 represent the sample standard deviation

n=12 sample size  

\mu_o =53 represent the value that we want to test  

t would represent the statistic (variable of interest)  

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

System of hypothesis

We need to conduct a hypothesis in order to check if the mean is higher than 53 mg per deciliter, the system of hypothesis would be:  

Null hypothesis:\mu \leq 53  

Alternative hypothesis:\mu > 53  

The statistic is given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}} (1)  

Calculate the statistic  

Replacing into the formula we got:

t=\frac{54.1-53}{\frac{1.78}{\sqrt{12}}}=2.14  

P-value  

We need to find first the degrees of freedom:

df = n-1= 12-1=11

The p value for this case since we have a right tailed test is:

p_v = P(t_{11}>2.14) =0.0278

6 0
2 years ago
Simplify -7 1/8 - (-9 1/2
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The question is on the file <3
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Answer:
The first one is 1:4
The second one is most likely 0.2:1
Im not quite sure though. Hope you get a good grade!
8 0
2 years ago
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