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3 years ago

Find the x-intercept and y-intercept of the equation: y = -2x + 6

Mathematics

1 answer:

frosja888 [35]3 years ago

8 0

Answer:

x-intercept(s): ( 3 , 0 )

y-intercept(s): ( 0 , 6 )

Step-by-step explanation:

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Round to the nearest whole.<br> 782.36

ratelena [41]

The answer would be 782 because you would round down.

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3 years ago

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Which expression gives the distance between the points (2,5) and (-4,8)?

inessss [21]

Square root of (5-9)^2+(1+6)^2

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4 years ago

Please help

Firlakuza [10]

Answer:

Step-by-step explanation:

y = -2/3 x multiply both sides the first equation by 6

6y = -4x Add 4x to both sides.

6y + 4x = 0

<u>-9y +4x = - 40 </u> Subtract the bottom equation

15y = - 40 Divide by 15

y = -40/15

y = - 2.7

======================

6y = -4x

6*(-2.67) = -4x

-16 = - 4x

x = - 16/-4

x = 4

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4 years ago

What is 7x+6x because in math we are doing properties of operations and I need help with it and I don't know how to do it

Sloan [31]

Answer:

13x

Step-by-step explanation:

7x+6x=13x. But since i do not have a second part of the question i can not tell you what x equals

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3 years ago

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The Magazine Mass Marketing Company has received 1515 entries in its latest sweepstakes. They know that the probability of recei

wariber [46]

Answer:

$P(x < 5)=P(X=0)+P(X=1)+P(X=2)+P(x=3)+P(X=4)$

$P(X=0)=(15C0)(0.5)^0 (1-0.5)^{15-0}=0.0000305$

$P(X=1)=(15C1)(0.5)^1 (1-0.5)^{15-1}=0.000458$

$P(X=2)=(15C2)(0.5)^2 (1-0.5)^{15-2}=0.0032$

$P(X=3)=(15C3)(0.5)^3 (1-0.5)^{15-3}=0.0139$

$P(X=4)=(15C4)(0.5)^4 (1-0.5)^{15-4}=0.0417$

And adding we got:

$P(x < 5)=0.0592$

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

Let X the random variable of interest, on this case we now that:

$X \sim Binom(n=15, p=0.5)$

The probability mass function for the Binomial distribution is given as:

$P(X)=(nCx)(p)^x (1-p)^{n-x}$

Where (nCx) means combinatory and it's given by this formula:

$nCx=\frac{n!}{(n-x)! x!}$

And we want to find this probability:

$P(x < 5)=P(X=0)+P(X=1)+P(X=2)+P(x=3)+P(X=4)$

$P(X=0)=(15C0)(0.5)^0 (1-0.5)^{15-0}=0.0000305$

$P(X=1)=(15C1)(0.5)^1 (1-0.5)^{15-1}=0.000458$

$P(X=2)=(15C2)(0.5)^2 (1-0.5)^{15-2}=0.0032$

$P(X=3)=(15C3)(0.5)^3 (1-0.5)^{15-3}=0.0139$

$P(X=4)=(15C4)(0.5)^4 (1-0.5)^{15-4}=0.0417$

And adding we got:

$P(x < 5)=0.0592$

7 0

3 years ago