2 years ago

An observational study that draws information about how many runners in a

Mathematics

1 answer:

riadik2000 [5.3K]2 years ago

5 0

Answer data gathering

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I think of a number. I multiply it by 7. I add 12. The result is 40. What is the number I am thinking of?

julia-pushkina [17]

The number that you are thinking of is 4. To get this answer I did the opposite of how you received your answer.
40 - 12 = 28
28 ÷ 4 = 7
The number that you are thinking of is 4.

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2 years ago

PLEASE HELP!? Not that hard.

kobusy [5.1K]

Y = 4x - 1

// Plug this in for variable y in equation [1]

[1] 20x - 5•(4x-1) = 5
[1] 0 = 0 => Infinitely many solutions

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2 years ago

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When will there be 0 pennies in the jar?how did you figured this out?

siniylev [52]

23 3/4 rounds because you can take 95 divided by 4 to get 23 3/4 rounds

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2 years ago

Mr. Tran needs 96 tiles to cover his kitchen floor. He already has 60 tiles. Tiles come in packages of 4. What is the total numb

AnnyKZ [126]

96-60=36

4/9√36

+2pts

so the answer is 9

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2 years ago

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Evaluate

SCORPION-xisa [38]

Value of the expression will be 7

Explanation

Given value of the variables are : $p= \frac{1}{2}$ and $q=7$

Given expression: $8p+3q-18$

So, plugging the values of $p$ and $q$ into the above expression, we will get...

$8p+3q-18\\ \\ = 8(\frac{1}{2})+3(7)-18\\ \\ =4 + 21-18\\ \\ =25-18\\ \\ =7$

So, the value of the expression will be 7.

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3 years ago

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