3 years ago

Question 4 of 15

Mathematics

1 answer:

melisa1 [442]3 years ago

5 0

“C” Os the correct answer

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One solution to the equation is a + b + c = 10 is

Serga [27]

Step-by-step explanation:

Imagine placing 10 apples in a row.

We have an extra 2 baricades that we can place between any 2 apples, so that a total of 3 groups will be formed.

This is the same as choosing 2 of the 12 items to be barricades.

Hence the answer is 12C2 = 66.

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3 years ago

Escribe el número igaul a 5 decenas y 13 unidades

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Answer:

Step-by-step explanation:

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4 years ago

A hot air balloon leaves the ground and ascends at a rate of 6 feet per second for 3 minutes. Then it descends at a rate of 3 fe

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It is 1,920 feet above the ground

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3 years ago

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A boy has 5 apples.His sister stole 2 apples from him.How many apples does he have now?

ivann1987 [24]

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3 i need point!!:)

Step-by-step explanation:

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3 years ago

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Simplify the following <br><br> Square root 15 / Square root 3

Elina [12.6K]

Answer:

The answer is √5 .

Step-by-step explanation:

You have to rationalize the fraction in order to get rid of surd in the denorminator by multiplying √3 to both numerator amd denorminator :

$\frac{ \sqrt{15} }{ \sqrt{3} }$

$= \frac{ \sqrt{15} }{ \sqrt{3} } \times \frac{ \sqrt{3} }{ \sqrt{3} }$

$= \frac{ \sqrt{15} \times \sqrt{3} }{ \sqrt{3} \times \sqrt{3} }$

$= \frac{ \sqrt{45} }{3}$

$= \frac{ \sqrt{9 \times 5} }{3}$

$= \frac{3 \sqrt{5} }{3}$

$= \sqrt{5}$

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3 years ago

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