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Pepsi [2]
3 years ago
9

I need help with this question

Mathematics
2 answers:
pishuonlain [190]3 years ago
7 0
The answer is B.
the reasons is because we move -4 to the other side which makes it +4 and
\frac{3}{2}x = 16 + 4
\frac{3}{2}x = 20
x = 20 \div  \frac{3}{2}
x = 20 \times  \frac{2}{3}
x = 40 \div 3
x = 13 \frac{1}{3}
snow_lady [41]3 years ago
4 0
Rearange and simplify

B. x = 13 1/3
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Inga [223]

Answer:

P(B|A)=y

Step-by-step explanation:

The complete question is shown in the attachment.

If the events, A and B are independent, then

P(A and B) = P(A)×P(B)

But from the question:

P(A)=x and P(B)=y

This implies that:

P(A and B) = xy

Also, the conditional probabilities are:

P(A\B)=P(A)=x

P(B\A)=P(B)=y

Therefore the correct answer is A

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3 years ago
The original price of a computer was reduced by $250.
zhannawk [14.2K]

Step-by-step explanation:

reduced price = original price - 250 = p - 250

5 0
2 years ago
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MrRa [10]

Answer: 18.75 for each girl

Step-by-step explanation:

First you take the unit rate 2.50 multiply by 5.

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7 0
2 years ago
A(n - 3) +8= bn for n please help me
Papessa [141]

Given equation: A(n - 3) +8= bn.

Solution: On the left side of the equation we have A(n-3).

We don't have any sign in between A and parenthesis (n-3).

So, we need to multiply A and (n-3).

We need to apply distributive property to multiply A and (n-3).

Distributing A over (n-3), we get

A(n-3) = A*n - 3*A = An -3A.

Substituting this value in original equation,

An -3A +8= bn.

We need to solve it for n, so we get n terms on a side.

We have An on left side, we need to get rid n from left side.

Subtracting An from both sides, we get

An -3A +8-An= bn-An.

-3A +8 = bn - An.

We can see n is a common factor on rigth side in bn-an.

Factoring out n on right side from bn-an.

-3A +8 = (b - A)n.

Dividing both sides by (b-A),

\frac{(-3A+8)}{(b-A)} = \frac{(b-A)n}{(b-A)}

On right (b-A) paranthiss cancelled and we get n on right side.

\frac{(-3A+8)}{(b-A)} =n   Final answer.

So, that would be our final answer

n = (-3A+8)/(b-A)

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