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murzikaleks [220]
3 years ago
12

PLEASE HELP, WILL GIVE BRAINLIEST no links pls, i really need help

Mathematics
2 answers:
sveticcg [70]3 years ago
8 0

Answer:

I'm pretty sure the answer is D because a net force can't be just balanced to one side if there are two different forces, I hope this helps.

Step-by-step explanation:

I am Lyosha [343]3 years ago
3 0

Answer:

4 units to the right

Step-by-step explanation:

the bigger units subtracted by the smaller units and the direction it is going

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How many centimeters are in 8 feet, given that 1 in. 2.54 cm.​
Delicious77 [7]

Answer:

243.84

Step-by-step explanation:

We change feet to inches, and inches to cm.

1 ft = 12 in.

1 in. = 2.54 cm

8 ft * (12 in.)/(1 ft) * (2.54 cm)/(1 in.) = 243.84 cm

8 ft = 243.84 cm

3 0
3 years ago
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A rectangular prism has a volume of 729 ft'. The length, width, and height are all the same. What is the length of each side of
german

Answer:

9

Step-by-step explanation:

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Find the points<br> that go in<br> between (-4,7)<br> and (6,5)
Marina CMI [18]
The point in between is (1,2)
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3 years ago
An educator claims that the average salary of substitute teachers in school districts is less than $60 per day. A random sample
valentina_108 [34]

Answer:

t=\frac{58.875-60}{\frac{5.083}{\sqrt{8}}}=-0.626    

The degrees of freedom are given by:

df=n-1=8-1=7  

The p value would be given by:

p_v =P(t_{(7)}  

Since the p value is higher than 0.1 we have enough evidence to FAIl to reject the null hypothesis and we can't conclude that the true mean is less than 60

Step-by-step explanation:

Information given

60, 56, 60, 55, 70, 55, 60, and 55.

We can calculate the mean and deviation with these formulas:

\bar X= \frac{\sum_{i=1}^n X_i}{n}

s=\sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

Replacing we got:

\bar X=58.875 represent the mean

s=5.083 represent the sample standard deviation for the sample  

n=8 sample size  

\mu_o =60 represent the value that we want to test

\alpha=0.1 represent the significance level

t would represent the statistic

p_v represent the p value

Hypothesis to test

We want to test if the true mean is less than 60, the system of hypothesis would be:  

Null hypothesis:\mu \geq 60  

Alternative hypothesis:\mu < 60  

The statistic would be given by:

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

Replacing the info we got:

t=\frac{58.875-60}{\frac{5.083}{\sqrt{8}}}=-0.626    

The degrees of freedom are given by:

df=n-1=8-1=7  

The p value would be given by:

p_v =P(t_{(7)}  

Since the p value is higher than 0.1 we have enough evidence to FAIl to reject the null hypothesis and we can't conclude that the true mean is less than 60

3 0
3 years ago
What is the lowest term of 75/60 as an improper fraction?
Katena32 [7]
75/60 = 15/12 = 5/4. This is the lowest term
5 0
2 years ago
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