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2 years ago

How many numbers are 3 units from 0 on the real numbers line

Mathematics

2 answers:

Fofino [41]2 years ago

7 0

Answer:

2 right? 3 and -3?

Step-by-step explanation:

Troyanec [42]2 years ago

7 0

Answer:

2 numbers

Step-by-step explanation:

● -3 and 3 are both 3 units apart from 0

We can find it with calculations.

You are moving in a real numbers line.

You can move either right or left.

You starting point is 0.

When you go 3 units to the right then you are adding 3.

● 3+0 = 3

When you go back 3 units starting from 0 then you are substracting 3.

● 0-3 = -3

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2 years ago

A firecracker shoots up from a hill 145 feet high with an initial speed of 80 feet per second. Using the formula H(t) = -16t2 +

kiruha [24]

145 = -16 t² + 80 t +s
s = ?
v = v0 - at
0 = 80 - at
80 = at
s = 80 t - at²/2
s = 80 t - 80t/2
s = 40 t
Finally: 145 = -16 t² + 80 t + 40 t
16 t² - 120 t + 145 = 0
We will solve this quadratic equation:
t = [120 +√ ( (-120)²- 4 · 16 · 145 )] / 32
t = [120 + √ (14400 - 9280) ] / 32
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2 years ago

1/2 inch= 3 feet what is the length for 7 inches

Mrrafil [7]

If $\frac{1}{2}$ inch is equal to 3 feet, then 1 inch = 6 feet because $\frac{1}{2} * 2 = 1$ and 3 * 2 = 6.

Thus 1 x 7 = 7, and 6 x 7 = 42.

42 feet.

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2 years ago

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