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kodGreya [7K]
3 years ago
15

Use the intercepts to graph the equation. 7X-3Y=21

Mathematics
1 answer:
kobusy [5.1K]3 years ago
6 0
I don't know how to attach a screenshot so I can't show you.  So so sorry!
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Suppose that in a large metropolitan area, 84% of all households have cable tv. Suppose you are interested in selecting a group
Firdavs [7]

Answer:

0.05606

Step-by-step explanation:

This is a binomial probability distribution problem.

84% of all households have cable TV, thus;

p = 0.84

There are six households from this area, thus; n = 6

Formula for this binomial distribution is;

P(X) = C(n, x) × p^(x) × (1 - p)^(n - x)

We want to find the proportion of groups where at most three of the households have cable TV.

Thus, it's is;

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

P(X = 0) = C(6, 0) × 0.84^(0) × (1 - 0.84)^(6 - 0) = 0.00001678

P(X = 1) = C(6, 1) × 0.84^(1) × (1 - 0.84)^(6 - 1) = 0.000528

P(X = 2) = C(6, 2) × 0.84^(2) × (1 - 0.84)^(6 - 2) = 0.006963

P(X = 3) = C(6, 3) × 0.84^(3) × (1 - 0.84)^(6 - 3) = 0.04855

Thus;

P(X ≤ 3) = 0.00001678 + 0.000528 + 0.006963 + 0.04855 = 0.05606

5 0
3 years ago
Completely simplified the expression for x plus 10 plus 6 x plus 2 x by combining like terms into your answer in the box.
siniylev [52]
We can first turn the text into a proper formula:

x plus 10 plus 6 x plus 2 x

x+10+6x+2x

The like terms are the numbers with

We can then put the like terms together to continue the calculation:

x+6x+2x+10

=9x + 10

Therefore, the answer is 9x + 10.

Hope it helps!
7 0
3 years ago
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A store is having a big sale. Everything is 30% off. but for one day only, an extra 40% will be taken off of the discounted pric
agasfer [191]

Answer:

60

Step-by-step explanation:

It is really easy just subtract the money with the percentage

3 0
3 years ago
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What’s the property of a + 0 = a
jek_recluse [69]

Answer:Identity property

Step-by-step explanation:

6 0
3 years ago
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An angle measuring less than 90 degrees is called an
Sloan [31]

That is called an acute angle if it’s more than 90 degrees it’s called o tuse angle

6 0
4 years ago
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