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2 years ago

Find P sophomore girl hint: p(a & b)/p(b)

Mathematics

1 answer:

Viktor [21]2 years ago

7 0

Answer:

7/18

Step-by-step explanation:

P(sophomore girl) is 7 out of a total 30.

P(girl) is 18 out of 30.

(7/30) / (18/30) = 7/18

If you just look at the girls column you can see this immediately. A given is that we're looking for a girl (18 girls), then what is the chance that it's a sophomore. That is 7 out of 18.

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The number 1953125 is equal to 5^9. Explain how the information above tells you that it is not a square number. I've tried the a

ddd [48]

Answer:

$5^{9}$ can not be expressed as a square of any other number.

Step-by-step explanation:

The number 1953125 is equal to $5^{9}$ .

Now, the above statement gives an idea that 1953125 i.e. $5^{9}$ is not a square number as 9 is not a multiple of 2.

So, we can not express $5^{9}$ as a square of any other number.

We can only express $5^{9}$ as $(5^{4} )^{2} \times 5$ .

( Answer )

5 0

4 years ago

Plz help and explain

Over [174]

Answer:

7.975

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

W^2+4w+4/2w^2-8 Simplify the expression

4vir4ik [10]

The answer would be
$3w {}^{2} + 4w - 8$
hope I helped

7 0

3 years ago

Read 2 more answers

they've invested to earn $20 in a savings account that offer 3% return on the investment the value of david's investment will be

Firlakuza [10]

I=PRT
P=present amount
R=rate
T=time
basically
20+interest is more than or equal to 400
20+I>400
minus 20 both sides
I>380

solve
P=20
R=3%=0.03
T=?
I=PRT
380<I=PRT
380<20(0.03)(T)
380<0.6T
divide both sides by 0.6
633.33333<T
633.33 years at least

6 0

3 years ago

Simplify 12x to the power of 7 y to the power of 3 divided by 6x to the power of 3 y

Galina-37 [17]

Answer:

2x⁴y²

Step-by-step explanation:

The question gives us the expression;

12x⁷y³ ÷ 6x³y

We are supposed to simplify the expression;

First we could divide the digits;

12 ÷ 6 = 2