Ask question

Ask question

All categories

3 years ago

8

There are 4 boys and 2 girls from the 7th grade and 3 boys and 5 girls from the 8th grade on the soccer team. The coach will pic

k one captain from each grade. What is the probability that he will pick a boy from the 7th grade and a girl from the 8th grade?

1 answer:

kaheart [24]3 years ago

5 0

Answer:

5/12

Step-by-step explanation:

P(b,7) = 4/6

P(g,8) = 5/8

4/6 x 5/8 = 20/48 (or 5/12 reduced)

You might be interested in

Which question can be answered by finding 2 1/2 divided by 2/3

prohojiy [21]

Answer:

3.75

Step-by-step explanation:

A sample question could be, you have 2 1/2 cups of flour and would like to make cookies that need 2/3 cups of flour per batch. How many batches could you make?

The answer is 3.75.

5 0

3 years ago

Read 2 more answers

Which is the simplified form of (9c^-9)^-3<br> b 1/729 c^27

rosijanka [135]

<u>ANSWER</u>

$(9 {c}^{ - 9} )^{ - 3}=\frac{{c}^{ 27} }{729}$

<u>EXPLANATION</u>

The given expression is

$(9 {c}^{ - 9} )^{ - 3}$

Recall that:

$({a}^{m} )^{n} = {a}^{mn}$

We use the law of exponents to get

$(9 {c}^{ - 9} )^{ - 3} = 9^{ - 3} {c}^{ - 9 \times - 3}$

Let us multiply in the exponents to get:

$(9 {c}^{ - 9} )^{ - 3} = 9^{ - 3} {c}^{ 27}$

Recall again that:

${a}^{ - m} = \frac{1}{ {a}^{m} }$

This implies that:

$(9 {c}^{ - 9} )^{ - 3} = \frac{1}{ {9}^{ 3} } \times {c}^{ 27}$

We expand the power to get:

$(9 {c}^{ - 9} )^{ - 3} = \frac{1}{9 \times 9 \times 9} \times {c}^{ 27}$

$(9 {c}^{ - 9} )^{ - 3}=\frac{1}{729} \times {c}^{ 27}$

We multiply out to get:

$(9 {c}^{ - 9} )^{ - 3}=\frac{{c}^{ 27} }{729}$

7 0

2 years ago

Given b(x)=|x+4|, what is b(-10)? A.-10<br> b. -6<br> c. 6<br> d. 14

RideAnS [48]

The equation that they have given is an absolute function meaning any outcome in this function will be POSITIVE no matter what.
For example
B(-6) = l-6 + 4l
B(-6) = l-2l or B(-6) = 2

YOUR ANSWER

B(-10) = l -10 + 4l
B(-10) = l-6l or B (-10) = 6

so therefore your answer is C. 6

5 0

3 years ago

Read 2 more answers

1 is the only number that's neither prime nor composite-right?

irina [24]

Answer:

No

Step-by-step explanation:

1 is a prime number

0 is the only number that is neither prime or composite

4 0

3 years ago

52(7)^1/5<br><br> Need help solving this problem. I don’t have Ti-84 Calculator yet

frozen [14]

Answer:

$52 \sqrt[5]{7}$

Step-by-step explanation:

$52(7 {)}^{ \frac{1}{5} }$

$= 52 \sqrt[5]{7}$

7 0

2 years ago