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3 years ago

Write the equation for the following relation. E = {(x, y): (2, 15), (5, 30), (8, 45), . . .}

1 answer:

3 0

y = 5x + 5

If y = mx + c,

m = change in y/change in x

m = 15/3

m = 5

y = 5x + c
Using the point (2,15):

(15)=5(2)+c
c = 15-10
c=5

so y = 5x + 5

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Fill in the missing coefficients of the terms in the expansion of (x + y)^9

zepelin [54]

Answer:

1, 9, 36, 84, 126, 126, 84, 36, 9, 1.

Step-by-step explanation:

Using the binomial theorem:

(x + y)^9 = x^9 + 9C1 x^8 y + 9C2 x^7y^2 + 9C3x^6y^3 + 9C4x^5y^4 + 9C5x^4y^5 +

9C6x^3y^6 + 9C7x^2y^7 + 9C8xy^8 + y^9

The coefficients are

1, 9, 36, 84, 126, 126, 84, 36, 9, 1.

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3 years ago

72 is what percent of 240 ?

PilotLPTM [1.2K]

Answer:

72 = 30%

Step-by-step explanation:

240 = 100%

24 = 10%

12 = 5%

2.4 = 1%

72 / 24 = 3

72 = 30%

Let me know if I got it wrong :)

4 0

3 years ago

Read 2 more answers

Write the quadratic equation in general form then choose the value of “b”.

Sonbull [250]

Answer:

Write the quadratic equation in general form then choose the value of “b”.

(2x-1)(x+5)=0

A.)9

B.)10

C.)11

Step-by-step explanation:

Expand $(2x-1)(x+5)$

Which is $2x^{2} +9x-5$

$ax^{2} +bx+c\\$

So the value of B is 9

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4 years ago

Which linear inequality is represented by the graph?

Serga [27]

Answer:

A. y ≤ 1/2x + 2

Step-by-step explanation:

Well look at the graph,

It is a solid line with it shaded down,

meaning it is y ≤,

So we can cross out B. and D.

So the y intercept is 2, we know this because the y intercept is the point on the line that touches the y axis.

now the slope can be found by seeing how far away each points are from each other,

Hence, the answer is A. y ≤ 1/2x + 2

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4 years ago

(SOMEONE PLEASE HELP!! ) According to these three facts, which statements are true?

Allisa [31]

I would go with the first two because the first one is true but the last two are false for a fact so the second answer would have to be the second check box

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3 years ago