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3 years ago

How many solutions can a single variable linear equation contain?

Mathematics

1 answer:

Burka [1]3 years ago

6 0

Answer:

One solution

Step-by-step explanation:

As a generalization: an equation of degree n has n solutions. A quadratic equation has the second degree and thus two a solutions; a third degree equation has three, and so on. Thus, a first degree (linear) equation has one solution.

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What is the equation of a line that passes through (-6, 2) and has a slope of -1/2 ?

irinina [24]

B.) y = -x/2 - 1 is the right answer

hope this helped!

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3 years ago

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Three consecutive even integers have a sum of 18. find the integers

natta225 [31]

Answer:

5,6,7

Step-by-step explanation:

x-1+x+x+1=18

3x=18

x=6

5,6,7

5 0

3 years ago

Fed [463]

I’m pretty sure it is d

7 0

3 years ago

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Write the equation of the line given 2 points that it passes through<br><br> (-3,7)&(-9,5)

zmey [24]

Slope is 2/6 also 1/3

Y=Mx+b

5=1/3*-9+b

5=-3+b
b=8

So the equation is y= 1/3x +8

4 0

3 years ago

A total of 60% of the customers of a fast food chain order a hamburger, French fries, and a drink. If a random sample of 15 cash

Ne4ueva [31]

Answer:

C. 0.403

Step-by-step explanation:

Binomial distribution has two parameter n and p. Here, n=15 and p=0.60.

We have to find the probability of 10 or more will show that the hamburger, French fries and a drink were ordered. P(X≥10)=?

The binomial probability distribution function for random variable X is

$P(X=x)=nCxp^{x} q^{n-x}$

where q=1-p=1-0.6=0.4,n=15 and p=0.6.

P(X≥10)=P(X=10)+P(X=11)+P(X=12)+P(X=13)+P(X=14)+P(X=15)

$P(X=10)=15C10(0.6^{10})( 0.4^{5})$ =0.185938

$P(X=11)=15C11(0.6^{11}) (0.4^{4})$ =0.126776

$P(X=12)=15C12(0.6^{12}) (0.4^{3})$ =0.063388

$P(X=13)=15C13(0.6^{13}) (0.4^{2})$ =0.021942

$P(X=14)=15C14(0.6^{14}) (0.4^{1})$ =0.004702

$P(X=15)=15C15(0.6^{15}) (0.4^{0})$ =0.000470

P(X≥10)= 0.185938 +0.126776 +0.063388 +0.021942 +0.004702 +0.000470

P(X≥10)=0.403216

So, the probability of 10 or more will show that the hamburger, French fries and a drink were ordered is 0.403.

8 0

3 years ago