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elena-14-01-66 [18.8K]
3 years ago
15

In desperate need of help, please help. PLEASE. If possible send work, so I could figure out how to do it.! -Jo:)

Mathematics
1 answer:
podryga [215]3 years ago
8 0
If you have any questions let me know. :)

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PLEASE HELP! THANK YOU!
Scrat [10]
From the graph shown we can describe the distribution as follows:
Majority of the data points are to the right of the mean, this implies that the median is greater than the mean of the data, thus we can conclude that the correct answer is:
B] <span> The median is greater than the mean, and the majority of the data points are to the right of the mean.</span>
7 0
3 years ago
Read 2 more answers
The function f(x) is cubic function and the zeros of f(x) are -5,3 and 6. The y intercept of f(x) is 360. Write the equation of
bezimeni [28]
250 to the law of 5 and you put 71
3 0
2 years ago
Acellus
Kazeer [188]

Answer:

sorry dunno

Step-by-step explanation:

:c

6 0
3 years ago
Evaluate the function f(x) = 10x - 30 when x = 5
dedylja [7]
The answer should be 20
6 0
2 years ago
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1. Find all values of $x$ such that the fraction x/(x - 5) = the fraction 4/(x - 4)
Ksju [112]

1. x/(x - 5) = 4/(x - 4)

x (x - 4) / ((x - 5) (x - 4)) = 4 (x - 5) / ((x - 5) (x - 4))

x (x - 4) = 4 (x - 5)

x² - 4x = 4x - 20

x² - 8x = -20

Solving for x by completing the square gives

x² - 8x + 16 = -4

(x - 4)² = -4

x - 4 = ± 2i

x = 4 + 2i   or   x = 4 - 2i

2. Since -7 + 2i and -7 - 2i are roots of the given quadratic, we have

z² + bz + c = (z - (-7 + 2i)) (z - (-7 - 2i))

z² + bz + c = (z + (7 - 2i)) (z + (7 + 2i))

z² + bz + c = z² + ((7 - 2i) + (7 + 2i)) z + (7 - 2i) (7 + 2i)

z² + bz + c = z² + 14z + 53

so that b = 14 and c = 53, which makes b + c = 67.

3. If x + y = 4, then

x³ + y³ = 100

x³ + (4 - x)³ = 100

x³ + (64 - 48x + 12x² - x³) = 100

12x² - 48x + 64 = 100

12x² - 48x = 36

x² - 4x = 3

and by completing the square,

x² - 4x + 4 = 7

(x - 2)² = 7

x - 2 = ± 7

x = 2 + 7   or   x = 2 - 7

x = 9   or   x = -5

If x = 9, then y = -5, so one pair of solutions would be (x, y) = (9, -5).

4 0
2 years ago
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