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alexandr1967 [171]
3 years ago
12

What is the x intercept of 2x + 4y = 20

Mathematics
2 answers:
Anna71 [15]3 years ago
8 0

Answer:

x = 10

Step-by-step explanation:

To find x-intercept/zero, substitute y = 0.

2x + 4 \times 0 = 20

Any expression multiplied by 0 equals 0.

2x + 0 = 20

When adding or subtracting 0, the quantify does not change.

2x = 20

Divide both side of the equation by 2:

x = 10

zhuklara [117]3 years ago
4 0

Answer:

10

Step-by-step explanation:

x- intercept is where the equation intersect the x-axis. So, at x-axis y = 0

2x + 4*0 = 20

           2x = 20

Divide both sides by 2

2x /2 = 20/2

x = 10

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9

Step-by-step explanation:

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Blababa [14]

Answer:

<u>a = 13</u>

Step-by-step explanation:

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So,

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3 years ago
A travelling salesman sells milkshake mixing machines and on average sells 8.9 machines per month. He needs to sell at least 3 m
Goshia [24]

Answer:

0.67% probability he will have to shut down after this month

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

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In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given time interval.

On average sells 8.9 machines per month.

So \mu = 8.9

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If he sells less than 3 machines.

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 0) = \frac{e^{-8.9}*8.9^{0}}{(0)!} = 0.0001

P(X = 1) = \frac{e^{-8.9}*8.9^{1}}{(1)!} = 0.0012

P(X = 2) = \frac{e^{-8.9}*8.9^{2}}{(2)!} = 0.0054

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3 years ago
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Schach [20]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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The converse of the Pythagorean theorem states that if the square of one side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a right triangle.

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