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3 years ago

Kevin has 44 marbles. 34 of them drop. 89 get donated to him. how many marbles does Kevin have now?

Mathematics

2 answers:

ExtremeBDS [4]3 years ago

8 0

Answer:

Step-by-step explanation:

kvv77 [185]3 years ago

6 0

Answer:

44-34= 10+89=99 marbles

Step-by-step explanation:

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7 is one tenth of what number

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Explanation:

Assume that the number we are looking for is x

one tenth is interpreted into $\frac{1}{10}$

Now, we know that one tenth of the number is 7, this means that:

$\frac{1}{10}$ * x = 7

Solve for x by multiplying both sides of the equation by 10, we get:

$\frac{1}{10}$ * x * 10 = 7 * 10

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Step-by-step explanation:

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2 years ago

1) 5x-2y=4. 2) 3x-5y=13 x-2y=5 3x+y=9

Natali [406]

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$\left\{\begin{array}{ccc}3x-5y=13\\x-2y=5\end{array}\right\\\left\{\begin{array}{ccc}3x-5y=13\\x=2y+5\end{array}\right\\\\substitute:\\\\3(2y+5)-5y=13\\6y+15-5y=13\\y=13-15\\y=-2\\\\x=2\cdot(-2)+5=-4+5=1\\\\Answer:x=1;\ y=-2.$

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2 years ago

ANSWER CORRECTLY AND ILL MARK YOU AS THE BRAINLIEST

lana66690 [7]

Answer:

2/3

Step-by-step explanation:

im pretty sure that's the answer

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2 years ago

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