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3 years ago

Two fair dice are rolled at the same time. What is the probability that the total score is 6.

Mathematics

1 answer:

Marat540 [252]3 years ago

5 0

I think the probability is 13.89%

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There are 3 urns A, B and C each containing a total of 10 marbles of which 2, 7 and 4 respectively are red. One of the urns is s

sleet_krkn [62]

<h3>Answer: 7/13</h3>

======================================================

Explanation:

We know that the marble selected is red, so we don't need to focus on the other colors.

7 red marbles are in urn B out of 2+7+4 = 13 total red marbles.

The probability the red marble came from urn B is therefore 7/13

5 0

3 years ago

Sue stacked one box onto another. The bottom box had the height of 2 1/3 feet and the top box had the height of 3 2/3 feet. How

solong [7]

To figure this out you would just add 2 1/3 feet and 3 2/3 feet. Which would give a total of 6 feet tall.

5 0

3 years ago

Read 2 more answers

What are the x- and y- coordinates of point E, which partitions the directed line segment from A to B into a ratio of 1:2?

Solnce55 [7]

The coordinates of the points A and B are not given. We'll assume: A(3,1) B(12,-5)

Answer:

The coordinates of E are (6,-1)

Step-by-step explanation:

Partition of a Segment

The length of segment directed from A(xa,ya) to B(xb,yb) can be decomposed in its x,y coordinates:

$x_{AB}=x_b-x_a$

$y_{AB}=y_b-y_a$

If a point E is to be in the segment and partition it into a ratio 1:2, then

\displaystyle \frac{x_{AE}}{{x_{EB}}=\frac{y_{AE}}{{y_{EB}}=\frac{1}{2}

But

$x_{AE}=x_e-x_a$

$y_{AE}=y_e-y_a$

$x_{EB}=x_b-x_e$

$y_{EB}=y_b-y_e$

Then we set the equation:

$\frac{x_{AE}}{{x_{EB}}=\frac{1}{2}$

$2(x_e-x_a)=x_b-x_e$

Operating and rearranging

$3x_e=x_b+2x_a$

Solving

$\displaystyle x_e=\frac{x_b+2x_a}{3}=\frac{12+6}{3}$

$x_e=6$

Similarily

$\displaystyle y_e=\frac{y_b+2y_a}{3}=\frac{-5+2}{3}$

$y_e=-1$

The coordinates of E are (6,-1)

8 0

4 years ago

Read 2 more answers

How do I factor this polynomial? This one: z^2+8z+7?

MatroZZZ [7]

This is how I would factor it

8 0

3 years ago

What is the answer and how do you find it?

Grace [21]

According to the Exterior Angle Theorem, the measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles of the triangle.
11x+2=5x+10 + 58
6x=66
x=11

3 0

3 years ago