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3 years ago

If y varies inversely with x and y = 6 when x = 3, then what is y when x = 2?

Mathematics

1 answer:

jeyben [28]3 years ago

8 0

Answer:

Correct answer is A. 9

Step-by-step explanation:

If y varies inversely with x the formula reads y = k/x

where the k is coefficient of proportionality

Now we will replace x=3 and y=6 to find value of k

6 = k / 3 => k = 6 · 3 = 18 => k = 18

Now we will replace x=2 and get y

y = 18/2 = 9 => y=9

God with you!!!

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2 4

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3 years ago

The what of a term is its numerical factor

juin [17]

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3 years ago

What is the Greatest Common Factor of the two monomials? 15a²b, 35ab2

m_a_m_a [10]

Answer:

5ab

Step-by-step explanation:

To find the greatest common factor (GCF), you will need to find the largest value that both of these monomials can be divided by. There are three different parts to these monomials: the number value, variable a, and variable b.

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3 years ago

Answer it plzzz plz you would live long if correct answer

Ede4ka [16]

Answer: 3^15

Step-by-step explanation:

Explained in attached picture. Hope you'll find it easy to understand. If not, you can comment :)

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2 years ago

The prices of three t-shirts styles are $24, $30 and $36. the probability of choosing a $24 t-shirt is 1/6. the probability of c

Slav-nsk [51]

$\text{Answer} : \text{The expected value of a t-shirt is \$31.}$

Explanation:

Since we have given that

The prices of three t-shirts styles i.e $24, $30, $36 with their probability is given by

$\frac{1}{6}, \frac{1}{2},\frac{1}{3}$

As we know that,

$E(X)= \sum_{1}^{3}x_iP(x_i)$

$\text{where} x_i \text{ is the prices of t- shirts styles}$

Now,

$x_1= \$24 , x_2=\$30 , x_3=$36$

and

$P(x_1)=\frac{1}{6},P(x_2)=\frac{1}{2}, P(x_3)=\frac{1}{3}$

So,

$E(X)= 24\times \frac{1}{6}+30\times\frac{1}{2}+36\times \frac{1}{3}\\=4+15+12\\=31$

So, the expected value of a t-shirt = $31.

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3 years ago