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AlexFokin [52]
3 years ago
11

What is the sum and classification of StartFraction 3 Over 20 EndFraction + StartRoot 10 EndRoot?

Mathematics
1 answer:
mel-nik [20]3 years ago
8 0

9514 1404 393

Answer:

  3.31227766..., irrational

Step-by-step explanation:

  3/20 +√10 = 0.15 + 3.16227766017...

The root of 10 is irrational, so adding that to a rational number will give an irrational sum.

The sum is about 3.31227766017..., an irrational number.

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Answer:

Step-by-step explanation:

This is awfully hard to read. Use returns to separate paragraphs.

ax = bx + 1                Subtract bx from both sides.

ax - bx = 1                take out x as a common factor

x(a - b) = 1                Divide both sides by a - b

x = 1 / (a - b)

I think the second one is the one you want.

x is the same as the reciprocal of the difference between a and b.

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Answer:

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Step-by-step explanation:

The max height is the y value of the vertex, because that’s when the graph peaks.

we can already very clearly see the vertex on the graph, so we don’t need to calculate it.

the max height of the second golf ball is 64 feet.

Now let’s look at the max height on the first golf ball.

we get the equation

h=-16t squared + 48t

to find the vertex of this, we can use the formula -b/2a

-48/-32 = 1.5

1.5 is the t value of this vertex.

to find the h value, we plug it in.

h = -16 (1.5) squared + 48(1.5)

h =2.25 times -16 + 72

h = -36 +72

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the first one is 36 max height, and the second is 64. The second one is bigger.

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Step-by-step explanation:

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