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Illusion [34]
3 years ago
8

A bag contains 3 red marbles, 4 blue marbles and 5 yellow marbles. In this experiment you reach in the bag, select a marble, rec

ord it and replace it. You then select a second marble. What is the probability that you draw 2 blue marbles?
Mathematics
1 answer:
yanalaym [24]3 years ago
3 0

Answer:

1/9

Step-by-step explanation:

the probability of one blue marble is 1/3 so to find the probability of 2 marbles you multiply it by itself.

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1/2 of 3oz, 3/4 of 3oz and 1/3 of 2oz, how many ounces of food was consumed
Alex Ar [27]
4.42 ounces of food was consumed. 1/2 of 3 oz equals 1.5 oz, 3/4 of 3 oz equals 2.25 oz and 1/3 of 2 oz equals .67 and when you add those up you get 4.42.
3 0
3 years ago
The tables represent two linear functions in a system,
Alenkasestr [34]

Answer:

<h2>(8, -22)</h2>

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

m - slope

b - y-intercept

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

First table:

(-4, 26), (0, 10) → b = 10

m=\dfrac{10-26}{0-(-4)}=\dfrac{-16}{4}=-4

\boxed{y=-4x+10}

Second table:

(-4, 14), (0, 2) → b = 2

m=\dfrac{2-14}{0-(-4)}=\dfrac{-12}{4}=-3

\boxed{y=-3x+2}

We have the system of equations:

\left\{\begin{array}{ccc}y=-4x+10&(1)\\y=-3x+2&(2)\end{array}\right\\\\\text{Put (1) to (2):}\\\\-4x+10=-3x+2\qquad\text{subtract 10 from both sides}\\-4x=-3x-8\qquad\text{add 3x to both sides}\\-x=-8\qquad\text{change the signs}\\x=8\\\\\text{Put the value of x to (2):}\\\\y=-3(8)+2\\y=-24+2\\y=-22

5 0
3 years ago
Please answer this question for brainliest!
astra-53 [7]
The answer is 14.4 cm.
8 0
3 years ago
Can someone help me
FromTheMoon [43]
BC is 8.7 
CA is 20
hope this helps
6 0
3 years ago
What is the inverse of the function f (x) = 3(x + 5)2 – 4, such that x ≤ –5?
natali 33 [55]
The ball followed a path modelled by the equation h = −0.001! + 0.5 + 2.5 where h is the height of the ball in feet and is the

distance in feet.
The ball followed a path modelled by the equation h = −0.001! + 0.5 + 2.5 where h is the height of the ball in feet and is the

distance in feet.


3 0
2 years ago
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