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Anna [14]
3 years ago
7

A bag contains 4 green marbles, 3 red marbles, and 7

Mathematics
1 answer:
Inessa05 [86]3 years ago
3 0

Answer:

3/28

Step-by-step explanation:

There are 14 marbles in the bag.  So, the probability of choosing a blue marble is 7/14 or 1/2.  Since the first marble is replaced, the  bag still has 14 marbles in it.  Then the  probability of choosing a red marble is 3/14.  The probability of choosing the blue, then the red is 1/2 x 3/14 = 3/28

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1/12+3/8y=5/12+5/8y , what does y equal
hram777 [196]
<span>1/12+3/8y=5/12+5/8y

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-2/8y = 4/12
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y = 1/3 *(-4)
y = - 4/3</span>
4 0
3 years ago
Read 2 more answers
A submarine is positioned at 300 feet below sea level. A bird is flying 100 foot above sea
alexandr1967 [171]

Answer:

h = 400 ft

The bird is 400 ft above the submarine

Step-by-step explanation:

Given;

The submarine is 300 feet below sea level

Vertical distance between submarine and sea level h1 = 300 feet

The bird is flying at 100 feet above sea level

Vertical distance between the sea level and the bird h2 = 100 feet

The total vertical distance between the bird and the submarine is the sum of the vertical distance between submarine and sea level and the vertical distance between the sea level and the bird.

h = h1 + h2

h = 300 ft + 100 ft

h = 400 ft

The bird is 400 ft above the submarine

6 0
3 years ago
Help please picture attached
Naya [18.7K]

Answer:

-10

Step-by-step explanation:

3/5(b)=-6

Divide -6 by 3/5, you get -30/3.

4 0
3 years ago
Edwin is making brownies. He has m cups of flour. He realized that he needs 3 more flour
const2013 [10]

Answer:

m+3=amount of cups he needs to make brownies

Step-by-step explanation:

If he has m amount of cups and he needs 3 more to make the brownies, If you just add 3 to m amount it should be the right answer

Sorry if im wrong

5 0
3 years ago
What is the domain of y = (3/(x - 2)^2)- 4 ?
Alenkinab [10]
Domain \ of \ y=\frac{3}{(x - 2)^2}-4 \ is \ all \ real \ numbers \ except \ 2
5 0
3 years ago
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