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3 years ago

Using the rule y= 3x + 4, find the value of y when xis 2.

Mathematics

2 answers:

Ne4ueva [31]3 years ago

5 0

Step-by-step explanation:

given

$y = 3x + 4$

$y(2) = 3(2) + 4 \\ = 6 + 4 = 10$

irinina [24]3 years ago

5 0

Answer:

B) 10

Step-by-step explanation:

y=3x+4

y=3(2)+4

y=6+4

y=10

Hope this helps!

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I need help with geometry

satela [25.4K]

Answer:

45 is the answer

Step-by-step explanation:

first you have to know the sum of interior angle of that pentagon (540)

then add the all angle.

148 + x + 112 + 90 + 3x + 10 = 540.

or, 360 + 4x = 540

or, 4x = 540 - 360

or, 4x = 180

or, x = 180/4

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6 0

3 years ago

Read 2 more answers

A candy company claims that 20% of the candies in its bags are colored green. Steve buys 30 bags of 30 candies, randomly selects

Allisa [31]

Answer:

The probability of Steve agreeing with the company’s claim is 0.50502.

Step-by-step explanation:

Let X denote the number of green candies.

The probability of green candies is, p = 0.20.

Steve buys 30 bags of 30 candies, randomly selects one candy from each, and counts the number of green candies.

So, n = 30 candies are randomly selected.

All the candies are independent of each other.

The random variable X follows a binomial distribution with parameter n = 30 and p = 0.20.

It is provided that if there are 5, 6, or 7 green candies, Steve will conclude that the company’s claim is correct.

Compute the probability of 5, 6 and 7 green candies as follows:

$P(X=5)={30\choose 5}(0.20)^{5}(1-0.20)^{30-5}=0.17228\\\\P(X=6)={30\choose 6}(0.20)^{6}(1-0.20)^{30-6}=0.17946\\\\P(X=7)={30\choose 7}(0.20)^{7}(1-0.20)^{30-7}=0.15328$

Then the probability of Steve agreeing with the company’s claim is:

P (Accepting the claim) = P (X = 5) + P (X = 6) + P (X = 7)

= 0.17228 + 0.17946 + 0.15328

= 0.50502

Thus, the probability of Steve agreeing with the company’s claim is 0.50502.

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3 years ago

Which name accurately describes the figure shown below and why?

cestrela7 [59]

Answer:

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Step-by-step explanation:

ummmmmmm knowledge is my explanation :)

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3 years ago

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nirvana33 [79]

Answer:

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y+x+9 = -x-9 +x+9

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3 years ago

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