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vichka [17]
3 years ago
9

A bag contains 8 red marbles, 3 blue marbles, and 1 green marble. Find P(not blue). a. 9 c. One-fourth b. Four-thirds d. three-f

ourths
Mathematics
1 answer:
gayaneshka [121]3 years ago
7 0

In order to find the probability of drawing a marble that is NOT BLUE, we must find the ratio of non-blue marbles to the total amount of marbles

Let's count how many marbles total there are first

8 red + 3 blue + 1 green = 12 marbles total

Now, how many marbles are there that <u>ARE NOT BLUE </u>

8 red + 1 green = 9 marbles <u>THAT ARE NOT BLUE </u>

Now<em> let's create a ratio</em> to find a probility

9/12

This can be simplified to 3/4 by taking out the common factor of 3

Your answer is D! "three-fourths"

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The play director spent 190 190190 hours preparing for a play. That time included attending 35 3535 rehearsals that took varying
sineoko [7]

Answer:

The equation 35x+93\frac{3}{4}=190 gives average time spent on 35 rehearsals.

Step-by-step explanation:

Please consider the complete question.

The play director spent 190 hours preparing for a play. That time included attending 35 rehearsals that took varying amounts of time and spending 93\frac{3}{4} hours on other responsibilities related to the play. What question does the equation 35x+93\frac{3}{4}=190 help answer?    

Since time spent on each rehearsal is 35 hours, so time spent on 35 rehearsals would be 35x.

93\frac{3}{4} hours is time spent on other responsibilities related to play. The sum of these times equals to total time spent on preparing the play.

Now let us solve our equation step by step.

35x+\frac{375}{4}=190

35x=190-\frac{375}{4}

35x=\frac{760}{4}-\frac{375}{4}

35x=\frac{760-375}{4}

35x=\frac{385}{4}

35x=96.25

Time spent on 35 rehearsals is 96.25 hours and we are told that each rehearsal took different amount of time. Dividing 96.25 by 35 we will get average time spent on each rehearsal.

Therefore, equation 35x+93\frac{3}{4}=190 gives average time spent on 35 rehearsals.

8 0
3 years ago
NEED HELP ASAP please
svetlana [45]

Answer:

D.

Step-by-step explanation:

The problem is asking to multiply x-5 by x^2, so we can set it up to distribute the x^2 to both values. The final answer would therefore be x^2(x-5), which is D.

5 0
3 years ago
Read 2 more answers
5(b + 6) = 18<br><br> A. 9.6<br><br> B. -2.4<br><br> C. 2.4<br><br> D. 3.6
Ratling [72]
<span>5(b + 6) = 18
b + 6 = 3.6
b = -2.4

answer
</span><span>B. -2.4</span>
6 0
3 years ago
Read 2 more answers
G(x)=3x^2+6x−9<br><br> I need the vertex for this please
aleksley [76]

Answer:

-1, -12

Step-by-step explanation:

you take b which is 6 and make it negative, then you take a and multiply it by 2, which is 6. you then take the 2 numbers and put the -b over 2a in this formula -b/2a giving you -1 as your x value

after you do that, you input the -1 into the equation as x and the value you get out of that (-12) is the y value of the vertex

5 0
3 years ago
Which of the following is most likely the next step in the series
scoundrel [369]

Answer:

C.

Step-by-step explanation:

The pattern is the amount of sides each shape has.

Triangle - 3

Rectangle - 4

Pentagon - 5

Logically, the next shape would be a hexagon, a shape with 6 sides.

3 0
3 years ago
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