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Natali [406]
3 years ago
10

There are 35 red marbles, 8 blue marbles, and 7 green marbles in a bag. What is the theoretical probability of randomly drawing

a red marble?
Mathematics
1 answer:
krok68 [10]3 years ago
4 0
Number of red marbles/total number of marbles
35/(35+8+7)
35/50
7/10

The probability is 7/10
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Felice knows that segment RS || segment QT. She wants to use the definition of a parallelogram to prove that the quadrilateral i
tangare [24]

Answer:

  see below

Step-by-step explanation:

The definition of a parallelogram is that opposite sides of the quadrilateral are parallel. Felice already knows one pair of opposite sides is parallel. By showing the slope of RQ is the same as the slope of ST, she can show the other pair of opposite sides is parallel, hence the figure is a parallelogram.

__

The other answer choices are essentially nonsense.

8 0
3 years ago
a line that includes the point (3,4) has a slope of 2. what is the equation in the slope-intercept form?
Andreas93 [3]

Answer:

y=2x-2

Step-by-step explanation:

<em>the slope is y/x</em>

the slope is 2 or 2/1

<em>subtract 2 from the y value and 1 from the x value</em>

(3-1,4-2) = (2,2)

<em>keep doing this until you get a 0 in the x value</em>

(2-1,2-2) = (1,0)

<em>1 is your x-intercept</em>

(1-1,0-2) = (0,-2)

-2 is your y intercept.

So now you know your y-intercept and your slope so you can now write your equation.

<em>y=mx+b</em>

<em>m=slope, b=y-intercept</em>

m=2, b=-2

<em>substitute into the equation</em>

y=2x-2

8 0
3 years ago
The class president is organizing a class trip to a nearby amusement park for 314 students. The regular price is $35 per ticket.
salantis [7]

Answer:

287 students were eligible for the discount :)

Step-by-step explanation:

7 0
3 years ago
Simplify (3^3)(1/9^2 − 6 + 2)
AnnZ [28]

Answer:

27/77

Step-by-step explanation:

I hope this is correct

Have a good Day!

3 0
3 years ago
What is the most important thing to remember when setting up a proportion
Andrew [12]

Answer:

This will help you answer the question

The most important thing to remember when writing a proportion is to keep the units the same in both ratios. You know the fractions are equivalent because each shows the ratio of girls to boys in the class. The first fraction shows the known ratio of girls to boys.

7 0
3 years ago
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