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olga_2 [115]
3 years ago
5

Mathhhhhhhhhh helppp failing ughh

Mathematics
1 answer:
hichkok12 [17]3 years ago
5 0
A  it is impossible because the line can only impact at a max of 2 points
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8x + 12 = 4r - 16 find r
Luda [366]

Answer:

r = 2x + 7

Step-by-step explanation:

get r on one side

8x + 12 + 16 = 4r

divide both sides by 4 to get r by itself

8x/4 + 12/4 + 16/4 = 4r/4

2x + 3 + 4 = r

2x + 7 = r

or

r = 2x + 7

8 0
2 years ago
Jamie has a bag containing purple, pink, yellow, and blue marbles. There are a total of 40 marbles in the bag. Jamie randomly se
Ad libitum [116K]

Answer:

1 pink marble

Step-by-step explanation:

If Jamie selected 10 times the pink marble in a total of 420 tries, we can assume that the proportion of pink marble in the total number of marbles is:

10 / 420 = 1/42

So to predict a good number of pink marbles in the total 40 marbles, we just need to multiply the 40 marbles by the proportion found above:

pink marble = 40 * (1/42) = 0.9524

As this number needs to be a whole number, a good assumption is that there is 1 pink marble in the 40 marbles.

8 0
3 years ago
How should you write the proportion 9:36 = 10:40 using words?
JulijaS [17]
A, because you follow the numbers and just put "is to" and "as" in the middle. 

8 0
2 years ago
Read 2 more answers
A professional volleyball player can jump an average of 2.5 times higher than the average person. If an an average person can ju
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First of all, we know that a professional volleyball player can jump an average of 2.5 times higher than the average person which means that the player could jumps 2.5 times higher than the normal do. For example, if the normal people jumps 3 inches height, the professional player could jumps 2.5(3)=7.5 inches height. In this case, if an an average person can jump 2x inches high which leads to that the professional player could jumps 2.5(2x) higher. As a result, C is your final answer. Hope it help!
5 0
2 years ago
What is the answer <br> Need quick <br> Help
FrozenT [24]
Your answer would be A b=a+5
5 0
3 years ago
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