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strojnjashka [21]
3 years ago
11

What property is described in the number sentence 6+0=0

Mathematics
1 answer:
sertanlavr [38]3 years ago
7 0
6 + 0 = 6. Which property:

This is an additive identity or identity property of addition

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Gregory runs at a steady pace on his treadmill. In 2 hours, he runs 12 miles. The graph represents this situation. Which point w
iren2701 [21]

Answer:

6 miles per hour because 12 divided by 2 is 6

Step-by-step explanation:

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3 years ago
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Find the slope of the line on the graph.
Delicious77 [7]
The answer would be slope= -5/4

Hope this helps

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8 0
3 years ago
] It is claimed that 42% of US college graduates had a mentor in college. For a sample of college graduates in Colorado, it was
Bad White [126]

Answer:

z=\frac{0.480 -0.42}{\sqrt{\frac{0.42(1-0.42)}{1045}}}=3.930  

The p value for this case would be given by:

p_v =P(z>3.930)=0.0000443  

For this case the p value is lower than the significance level so then we have enough evidence to reject the null hypothesis so then we can conclude that the true proportion is significantly higher than 0.42

Step-by-step explanation:

Information given

n=1045 represent the random sample selected

X=502 represent the college graduates with a mentor

\hat p=\frac{502}{1045}=0.480 estimated proportion of college graduates with a mentor

p_o=0.42 is the value that we want to test

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to test if the true proportion is higher than 0.42, the system of hypothesis are.:  

Null hypothesis:p \leq 0.42  

Alternative hypothesis:p > 0.42  

The statistic is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info we got:

z=\frac{0.480 -0.42}{\sqrt{\frac{0.42(1-0.42)}{1045}}}=3.930  

The p value for this case would be given by:

p_v =P(z>3.930)=0.0000443  

For this case the p value is lower than the significance level so then we have enough evidence to reject the null hypothesis so then we can conclude that the true proportion is significantly higher than 0.42

7 0
3 years ago
Round 151.09 to the nearest whole
3241004551 [841]
It is rounded down to 151.
3 0
3 years ago
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Let f(x)=(5)x+12. Evaluate f(0) without using a calculator.
Lelu [443]

Answer:

f(0) = 12

Step-by-step explanation:

You want to substitute 0 for x

f(0) = 5(0) + 12

f(0) = 12

8 0
3 years ago
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