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Yakvenalex [24]

3 years ago

12

Which equation describes the same line as y- 5 = -2(x + 4)?

1 answer:

lord [1]3 years ago

8 0

Y-5=-2(x+4)
Y-5=-2x-8
Add 5 to both sides
Y=-2x-3
D

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There are 9 candidates total, 5 male and 4 female, who run for 4 committee positions. Suppose that each person is equally likely

gavmur [86]

Use the hypergeometric distribution.
M=number of Men=5
F=number of women=4
m=number of men elected=2
f=number ow women elected=2.

Assuming equal chance to get elected, then
P(2M,2F)=C(M,m)*C(F,f)/C(M+F,m+f)
=C(5,2)*C(4,2)/C(9,4)
=10*6/126
=10/21

Reference: Hypergeometric distribution.

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3 years ago

Two numbers are in the ratio 3:7

lbvjy [14]

Answer:

98 And 18 i think

Step-by-step explanation:

8 0

3 years ago

HELP TIMED BRAINLIST

lesya692 [45]

Answer:

it's D

Step-by-step explanation:

You use distribute property, then add all like terms

3 0

2 years ago

Read 2 more answers

What is the result of subtracting the second equation from the first?

dusya [7]

Answer: $11x-8y=-9$

Step-by-step explanation:

For this exercise you need to remember:

1) The mulitplication of signs:

$(+)(+)=+\\(-)(-)=+\\(-)(+)=-\\(+)(-)=-$

2) By definition, like terms contain the same variables with the same exponent.

Then knowing this, and given the equations:

$8x - 4y = -4$ and $-3x+ 4y = 5$

You must subtract the like terms, which means that you must subtract the numerical coefficients of each term.

Then, you get the result is:

$8x - 4y = -4\\-3x+ 4y = 5\\...............................................\\8x-(-3x)-4y-4y=-4-5\\8x+3x-8y=-9\\11x-8y=-9$

5 0

3 years ago

Through (-1,-4), parallel to y=7x-4

sweet [91]

Y=7x+3

They are parallel so the slope is the same and plug in the two coordinates to get the y intercept. This gives you y=7x+3

7 0

2 years ago