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Mila [183]
3 years ago
6

Jamal draws a line through the points (-3,4) and (2,5). What is the slope of this line?

Mathematics
1 answer:
Kay [80]3 years ago
5 0
1/5

Y2 -Y1
____
X2-X1

5-4=1 = 1
________
2- - 3 = 5
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Which are the solutions of x2 = -5x + 8?
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Answer:

1.27, -6.27 to the nearest hundredth,

or if you require it in exact form,

-2.5 + √14.25,   -2.5 - √14.25.

Step-by-step explanation:

x^2 = -5x + 8

x^2 + 5x  = 8

Competing the square:

(x + 2.5)^2 - 6.25 = 8

(x + 2.5) = 14.25

x + 2.5 = +/-√14.25

x = -2.5 + √14.25,   -2.5 - √14.25

x = -2.5 + 3.77,  -2.5 - 3.77

= 1.27, -6.27.

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In 2011, a U.S. Census report determined that 71% of college students work. A researcher thinks this percentage has changed sinc
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Answer:

Note: The full question is attached as picture below

a) Hо : p = 0.71

Ha : p ≠ 0.71

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= <em>p </em>- Pо / [√Pо * (1 - Pо ) / n]

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Reject the null hypothesis.  There is sufficient evidence to support the researchers claim at the 1% significance level.

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