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3 years ago

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Mathematics

1 answer:

dezoksy [38]3 years ago

4 0

Answer:

y= (x-6) be sure to include the parenthesis or it will be incorrect

Step-by-step explanation:

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Two boys and three girls are auditioning to play the piano for a school production. Two students will be chosen, one as the pian

finlep [7]

Answer:

30% is the correct answer.

Step-by-step explanation:

Total number of boys = 2

Total number of girls = 3

Total number of students = 5

To find:

Probability that the pianist will be a boy and the alternate will be a girl?

Solution:

Here we have to make 2 choices.

1st choice has to be boy (pianist) and 2nd choice has to be girl (alternate).

$\bold{\text{Required probability }= P(\text{boy as pianist first}) \times P(\text{girl as alternate})}$

Formula for probability of an event E is given as:

$P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}$

For $P(\text{boy as pianist})$ , number of favorable cases are 2 (total number of boys).

Total number of cases = Total number of students i.e. 5

So, $P(\text{boy as pianist})$ is:

$P(\text{boy as pianist}) = \dfrac{2}{5}$

For $P(\text{girl as alternate})$ , number of favorable cases are 3 (total number of girls).

Now, one boy is already chosen as pianist so Total number of cases = Total number of students left i.e. (5 - 1) = 4

$P(\text{girl as alternate}) = \dfrac{3}{4}$

So, the required probability is:

$\text{Required probability } = \dfrac{2}{5}\times \dfrac{3}{4} = \dfrac{3}{10} = \bold{30\%}$

6 0

3 years ago

The equation of a circle is (x+10)^2+(y-4)^2=100

klemol [59]

Hello,

Answer 1
Center=(-10,4)
radius=10

4 0

4 years ago

Read 2 more answers

Find the rate in the following problem. Round the answer to the nearest percent.

Anit [1.1K]

Answer: 75%

Step-by-step explanation:

150/200=.75

200 x .75=150

Now to turn .75 into a percent by moving the . over to the right two times.

75. or 75%

6 0

3 years ago

WILL GIVE BRAINLST <br><br> HAVE A GOOD DAY

Sedbober [7]

1st one 17/100 2nd one 0.25

Because 0.17 would be like 17% out of 100% so the fraction simplified is 17/100

2. Since the area of a square is length×length
But according to the question we are asked to find the length and the area is given so we will have to solve this
L×L= area
L^2=0.25
Square root both sides
L=√0.25
L=0.5
Therefore the length of the square is 0.5

6 0

3 years ago

To the nearest mile, what is the total distance that he ran?

ioda

Answer:

where's the picture. to the nearest mile...

Step-by-step explanation:

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7 0

3 years ago