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3 years ago

Are the two lines equations parallel, perpendicular, or neither? 10x+8y=16 5y=4x-15

Mathematics

2 answers:

frozen [14]3 years ago

8 0

Answer:

slope=5/4

slope=-4/5

Step-by-step explanation:

Two non-vertical lines are perpendicular if the slope of one is the negative reciprocal of the slope of the other.

maks197457 [2]3 years ago

7 0

Answer: Neither

Step-by-step explanation: if you look at both slopes 10x and 4x they are neither the reciprocal or even remotely close to each other

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Step-by-step explanation:

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zhannawk [14.2K]

The applications that will involve percentages include:

Sales Tax
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Commission
Income Tax

<h3>Which applications involve percentages?</h3>

Sales tax will involve percentage because the sales tax percentage will be needed to calculate the sales tax. The same goes for the income tax.

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2 years ago

An industry representative claims that 10 percent of all satellite dish owners subscribe to at least one premium movie channel.

Greeley [361]

Answer: 1) 0.6561 2) 0.0037

Step-by-step explanation:

We use Binomial distribution here , where the probability of getting x success in n trials is given by :-

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

, where p =Probability of getting success in each trial.

As per given , we have

The probability that any satellite dish owners subscribe to at least one premium movie channel. : p=0.10

Sample size : n= 4

Let x denotes the number of dish owners in the sample subscribes to at least one premium movie channel.

1) The probability that none of the dish owners in the sample subscribes to at least one premium movie channel = $P(X=0)=^4C_0(0.10)^0(1-0.10)^{4}$

$=(1)(0.90)^4=0.6561$

∴ The probability that none of the dish owners in the sample subscribes to at least one premium movie channel is 0.6561.

2) The probability that more than two dish owners in the sample subscribe to at least one premium movie channel.

= $P(X>2)=1-P(X\leq2)\\\\=1-[P(X=0)+P(X=1)+P(X=2)]\\\\= 1-[0.6561+^4C_1(0.10)^1(0.90)^{3}+^4C_2(0.10)^2(0.90)^{2}]\\\\=1-[0.6561+(4)(0.0729)+\dfrac{4!}{2!2!}(0.0081)]\\\\=1-[0.6561+0.2916+0.0486]\\\\=1-0.9963=0.0037$

∴ The probability that more than two dish owners in the sample subscribe to at least one premium movie channel is 0.0037.

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3 years ago

Solve H = fraction with p minus a in the numerator and 3 times w in the denominator for p. SOLVE FOR P

omeli [17]

<span>D. p = fraction H over the quantity 3 times w + a</span>

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3 years ago