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Svet_ta [14]
3 years ago
12

The Gomez family has completed 50% of a trip, They have traveled 40 miles. How far is the trip?

Mathematics
2 answers:
Anettt [7]3 years ago
4 0

Answer: 80 miles

Work: I just did 40 times 2 because they completed half their trip, and they need to complete 40 more miles.

<em>Happy Holidays! :)</em>

blondinia [14]3 years ago
3 0

Answer: 50 miles

Step-by-step explanation:

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The correct option is;

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Step-by-step explanation:

Here we have the values

μ = 275 mL

275.4

276.8

273.9

275

275.8

275.9

276.1

Sum = 1928.9

Mean (Average), = 275.5571429

Standard deviation, s = 0.921696159

We put the null hypothesis as H₀: μ₁ = μ₂

Therefore, the alternative becomes Hₐ: μ₁ ≠ μ₂

The t-test formula is as follows;

t=\frac{\bar{x}-\mu }{\frac{s}{\sqrt{n}}}

Plugging in the values, we have,

Test statistic = 1.599292

t_{\alpha /2} at 7 - 1 degrees of freedom and α = 0.05 = ±2.446912

Our p-value from the the test statistic = 0.1608723≈ 0.1609

Therefore since the p-value = 0.1609 > α = 0.05, we fail to reject our null hypothesis, hence the evidence suggests that the mean does not differ from 275 mL.

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3 years ago
Question 2
BabaBlast [244]
The correct answer is choice d because you would divide x by 2 to get 70. then you do the same with y so 35/2 = 17.5
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using the midpoint formula, solve for the midpoint of the segment with these pairs of endpoints (-8,21) and (32,-2)​
dusya [7]

Answer

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Answer:

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Bar diagrams is graphical method for presentation of data. Presenting the given in bar diagram :

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