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4 years ago

Given Point A (3,-4) and Point B (8,6) on directed line segment AB, what is the y-coordinate of Point F

Mathematics

1 answer:

Allisa [31]4 years ago

6 0

Answer:

(6,2) y-coordinate is 2

Step-by-step explanation:

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In a sample of 700 gas stations, the mean price for regular gasoline at the pump was $2.894 per gallon and the standard deviati

frez [133]

Answer:

$P(x < 2.892) = 4.36\%$

Step-by-step explanation:

Given

$N = 700$ --- Population

$\mu = 2.894$ -- Mean

$\sigma = 0.009$ --- Standard deviation

$n = 55$ -- Sample

Required: $P(x < 2.892)$

This question will be solved using the finite correction factor

First, calculated the z score

$z = \frac{x - \mu}{\sqrt{\frac{N -n}{N -1}} * \frac{\sigma}{\sqrt n}}$

$z = \frac{2.892 - 2.894}{\sqrt{\frac{700 -55}{700 -1}} * \frac{0.009}{\sqrt {55}}}$

$z = \frac{-0.002}{\sqrt{\frac{645}{699}} * \frac{0.009}{7.42}}$

$z = \frac{-0.002}{\sqrt{0.92} * \frac{0.009}{7.42}}$

$z = \frac{-0.002}{0.95917 * 0.0012129}$

$z = -1.71$

So:

$P(x < 2.892) = P(z < -1.71)$

Using z table

$P(x < 2.892) = 0.043633$

$P(x < 2.892) = 4.36\%$

3 0

3 years ago

Please help me quickly

Alika [10]

Answer:

Step-by-step explanation:

Y is equal to 17x divided by 2

3 0

3 years ago

Consider the function y = 3x^2. How do the y-values of this function grow?

RoseWind [281]

I would say A but I’m not 100% sure.

6 0

3 years ago

Read 2 more answers

Find the surface area of the composite solid below. (2 ft, 2 ft, 2 ft, 3 ft)

elixir [45]

Answer:

44 sq. ft

Step-by-step explanation:

5(2^2) = 20

4(3x2) = 24

20+24 = 44

3 0

3 years ago

17 to 26 <br> Help me please

Pepsi [2]

Answer:

See below

Step-by-step explanation:

17. 17x + 3 x=4 18. -2x + 1 / 3 x= -5

17(4) + 3 - [(2)(-5) + 1] / 3

68 + 3 - [-10 + 1] /3

71 9/3 or 3

19. 2x - 33 x=9 20. - 9x - 2 x=7

(2)(9) - 33 -(9)(7) - 2

18 - 33 -63 - 2

- 15 -65

21. 7/3x - 9 x=3 22. - [12x/5] x= -1

(7/3)(3) - 9 - [(12)( -1)/5]

7 - 9 - [ -12/5 ]

-2 2.4

23. 11x - 11 x = -11 24. (2/9)x - (9/2) x= 9

- 121 - 11 (2/9)(9) - (9/2)

-132 2 - (9/2) ( 2 can be shown as 4/2)

(4/2) - (9/2)

- 5/2 or - 2.5

25. f(x) = 0.12x + 4.52 x = 250 26. f(x) = 0.18x + 3.12 x= 175

= (0.12)(250) + 4.52 = (0.18)(175) + 3.12

= 30 + 4.52 = 31.50 + 3.12

= 34.52 = 34.62

4 0

3 years ago