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tatuchka [14]
2 years ago
6

Aden records the height of a stack of building blocks as he adds blocks to the top of the stack. The graph shows the height, in

Mathematics
1 answer:
Amanda [17]2 years ago
6 0
Ima guess. Dat shiii 18
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Brad puts an equal amount of money in his savings account once a month.He started with $27.The next month he had $44 in his acco
9966 [12]

Answer:

$129

Step-by-step explanation:

$44-$27=$17 per month

$17 times 3=$51

$78 plus $51= $129 after 6 months

5 0
3 years ago
Read 2 more answers
Which comparison is correct?<br><br> 7 -7<br> -9 &gt; 4<br> -6 &gt; -5
ArbitrLikvidat [17]

Answer:

7 > -7

Step-by-step explanation:

-9 is not greater than -4

-6 is not greater than -5

I am not sure what 7 -7 means in your first option but if it is consistent, then yes, 7 is greater than -7.

8 0
2 years ago
A researcher obtains t = 2.35 for a repeated-measures study using a sample of n = 8 participants. Based on this t value, what is
ZanzabumX [31]

Answer:

p_v =2*P(t_{7}>2.35)=2*0.0255=0.051  

If we compare the p value and using the significance level given \alpha=0.05 we have p_v>\alpha so we can conclude that we have enough evidence to FAIL to reject the null hypothesis, and we can said that at 5% or 1% of significance we fail to reject the null hypothesis.

Step-by-step explanation:

It's important to refresh the p value method or p value approach . "This method is about determining "likely" or "unlikely" by determining the probability assuming the null hypothesis were true of observing a more extreme test statistic in the direction of the alternative hypothesis than the one observed". Or in other words is just a method to have an statistical decision to fail to reject or reject the null hypothesis.  

The significance level is not provided but we can assume it as \alpha=0.05. First we need to calculate the degrees of freedom like this:

df=n-1=8-1=7

The next step would be calculate the p value for this test.  Since is a bilateral test or two tailed test, the p value would be:  

p_v =2*P(t_{7}>2.35)=2*0.0255=0.051  

If we compare the p value and using the significance level given \alpha=0.05 we have p_v>\alpha so we can conclude that we have enough evidence to FAIL to reject the null hypothesis, and we can said that at 5% or 1% of significance we fail to reject the null hypothesis.  

5 0
3 years ago
Lincoln invested $15,000 in an account paying an interest rate of 3\tfrac{1}{2}3 2 1 ​ % compounded continuously. Harper investe
wolverine [178]

Answer:

54750

Step-by-step explanation:

3 0
3 years ago
Question 1<br> Determine the midpoint of the segment with endpoint (-9,3) and (7,-8).<br> Question 2
mario62 [17]

Answer:

(-1, -2.5)

Step-by-step explanation:

the midpoint of a segment is (\frac{x1+x2}{2} ,\frac{y1+y2}{2}), given points (x1, y1) and (x2, y2)

midpoint=(\frac{-9+7}{2}, \frac{3-8}{2} ) = (\frac{-2}{2}, \frac{-5}{2}  ) = (-1, -2.5)

6 0
3 years ago
Read 2 more answers
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