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3 years ago

Rita is developing an equation that will represent the same proportional relationship as the graph.

Mathematics

2 answers:

Temka [501]3 years ago

8 0

It's d. The quotient of the coordinates will be a coeffficient in the equation

vlabodo [156]3 years ago

3 0

Yes I can help you show me the equation

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System of equations -8x + 4y = 24 -7x + 7y = 28 X= ___ Y=___

lilavasa [31]

Answer:

You would end up with X= -2, y= 2

And they would intersect at point (-2,2) on a graph :)

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3 years ago

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Solve this equation: 9x + 3 = 2(x - 4) - 3(2x + 5)

Ksju [112]

Answer: 5x

Step-by-step explanation:

6 0

3 years ago

Find the value of x

romanna [79]

they are 2 similar triangles, one is smaller than the other. they are in the ratio of 2:1,

hence 7x =56÷2

7x=28

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4 0

3 years ago

Evaluate for x=4 and y=-3 write in simplest form 2y/x2

lorasvet [3.4K]

Hello from MrBillDoesMath!

Answer:

I think your formula (2y/x2) is equivalent to

(2*y)/(x^2) where x^2 means x-squared.

If so, then

(2*y)/(x^2) = (2*3)/(4*4) = 6/16 = 3/8

Thank you,

MrB

7 0

3 years ago

Construct the discrete probability distribution for the random variable described. Express the probabilities as simplified fract

lisov135 [29]

Answer:

$P(X = 0) = 0.03125$

$P(X = 1) = 0.15625$

$P(X = 2) = 0.3125$

$P(X = 3) = 0.3125$

$P(X = 4) = 0.15625$

$P(X = 5) = 0.03125$

Step-by-step explanation:

For each toss, there are only two possible outcomes. Either it is tails, or it is not. The probability of a toss resulting in tails is independent of any other toss, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$