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spayn [35]
3 years ago
5

Find the ordered pairs for the x- y-intercepts of the equation 9y−2x=18. x-intercept(0,2), y-intercept(−9,0) x-intercept(−9,0),

y-intercept(0,2) x-intercept(0,−9), y-intercept(2,0) x-intercept(9,0), y-intercept(0,−2)
Mathematics
1 answer:
liq [111]3 years ago
4 0
X intercept is the value of x when y=0, y intercept is the value of y when x=0
9y-2x=18
when x=0, y=2, so the y intercept is (0,2)
when y=0, x=-9, so the x intercept is (-9,0)
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What segment is the projection of ST on QT?<br><br> UT<br> QU<br> QT
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Answer:

UT

Step-by-step explanation:

The projection of ST on QT is found by locating the points on QT that are nearest the endpoints S and T of the original segment. On QT, U is the point closest to S, and T is the point closest to T. Then the projection is the segment between those identified points: UT.

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A researcher collects data on the number of times race horses are raced during their careers. The veterinarian finds that the av
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Answer:

95% confidence for µ, the average number of times a horse races

(12.493 , 18.107)

Step-by-step explanation:

<u>Explanation</u>:-

The veterinarian finds that the average number of races a horse enters is 15.3

The mean of the sample x⁻ = 15.3

Given standard deviation of the sample 'S' = 6.8

Given sample size 'n' = 25

Degrees of freedom = n-1 =25-1 =24

The tabulated value 't' = 2.064 at two tailed test 0.95 level of significance

<u> 95% confidence for µ, the average number of times a horse races</u>

<u></u>(x^{-} - t_{\alpha } \frac{S}{\sqrt{n} } , x^{-} +  t_{\alpha }\frac{S}{\sqrt{n} } )<u></u>

<u></u>(15.3- 2.064 \frac{6.8}{\sqrt{25} } , 15.3 +  2.064\frac{6.8}{\sqrt{25} } )<u></u>

(15.3 - 2.80704 ,15.3 +2.80704)

(12.493 , 18.107)

<u>Conclusion</u>:-

95% confidence for µ, the average number of times a horse races

(12.493 , 18.107)

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The answer is y=5x-27
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