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8090 [49]
3 years ago
6

Kyra has a rock collection. When she puts her rocks into 2 equal piles, there are no rocks left over. When she puts her rocks in

to 3 equal piles, there are still no rocks left over. When she puts her rocks into 4 equal piles, there are still no rocks left over. How many rocks could Kyra have?
Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
8 0
12÷2=6 (whole number)
12÷3=4 (whole number)
12÷4=3 (whole number)

the answer is 12 rocks
Vadim26 [7]3 years ago
7 0
12 because 12 is a multiple of all three numbers.
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A tree casts a shadow 12 meters long , while a bush nearby casts a shadow 3.5 meters long. If the tree is 3.2 meters tall, how t
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X = height of bush
12/3.5 = 3.2/x  [cross multiply]
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vlabodo [156]
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2 years ago
What is the slope of o line that passes through (-4,-14) and (19,11)?
DerKrebs [107]

Answer:

D, see description below.

There is a possible typo in the problem since these points have slope 25/23.

Step-by-step explanation:

To find the slope of a line, calculate the distance between points with a ratio of vertical to horizontal distance. This is done using the formula:

m=\frac{y_2-y_1}{x_2-x_1}

Here the points are (-4,-14) and (19,11). Substitute and simplify.

m=\frac{11--14}{19--4}=\frac{11+14}{19+4}=\frac{25}{23}

I think there is a typo in your points (-4,-14) and (19,11) because the answer doesn't align to the answer choices. But based on them, I would answer D or 24/23 since it's the closest value.

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