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maxonik [38]
4 years ago
6

A bag contains 20 marbles of which 4 are red what is the probability that a randomly selected marble will be red

Mathematics
1 answer:
agasfer [191]4 years ago
5 0

Answer:

1/5

Step-by-step explanation:

4 of the 20 marbles are red, so the probability is 4/20 = 1/5.

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Lorico [155]

3x + y = -8

<u>-3x       </u> <u> -3x</u>

        y = -3x - 8

Choose values for x, then input that value into the equation to solve for y:

\begin {array}{c|l||c}\underline{\ x\ }&\underline{\ -3x-8=y\ }&\underline{\ Coordinate\ }\\0&-3(0)-8=-8&(0,-8)\\1&-3(1)-8=-11&(1,-11)\\2&-3(2)-8=-14&(2,-14)\\3&-3(3)-8=-17&(3,-17)\\4&-3(4)-8=-20&(4,-20)\\5&-3(5)-8=-23&(5,-23)\\6&-3(6)-8=-26&(6,-26)\\7&-3(7)-8=-29&(7,-29)\\8&-3(8)-8=-32&(8,-32)\\9&-3(9)-8=-35&(9,-35)\\\end{array}

FYI: Do you see the pattern?  

<em>Each time you add 1 to the x-value, you subtract 3 from the y-value.</em>

6 0
3 years ago
Can anyone help me out please?
algol13

Answer:

15a^7b^4

Step-by-step explanation:

add exponents that have the same base

multiply the 5 and 3 together to get fifteen

add 2 and 5 to get a to the power of 7

add 3 and 1 (the b is to the power of 1) to get b to the power of 4

6 0
3 years ago
How many groups of 12 are in 600
Ugo [173]
Do 600÷12= 50

The answer is 50 
4 0
3 years ago
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There are 8 water bottles, and each bottle is 3/4 filled with water. If we pour all the water together, how many water bottles c
valkas [14]

Answer:

6

Step-by-step explanation:

8 * 3/4 = 24/4  = 6 WATER BOTTLES

8 0
2 years ago
Please help me I tried and don’t get it ;(
ivanzaharov [21]

Answer:

distributive

Step-by-step explanation:

8 0
3 years ago
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