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2 years ago

What is 2 meters in centimeters??

2 answers:

8 0

2 meters in centimeters would equal up to 200 centimeters. Meters and Centimeters are about 1 in the same. Centi meaning 100 is just a smaller measurement.

fgiga [73]2 years ago

8 0

1 meter = 100 centimeters

So 2 meters is 200 centimeters.

Hope this Helps!!

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Five people can finish painting a wall in 5 hours.if only 2 people are available,how many hours do they have to work to finish t

lisov135 [29]

The answer is 12.5 hours

5 0

2 years ago

Suppose that a brand of lightbulb lasts on average 1730 hours with a standard deviation of 257 hours. Assume the life of the lig

Debora [2.8K]

Answer:

P [ 1689 ≤ X ≤ 2267 ] = 54,88 %

Step-by-step explanation:

Normal Distribution

Mean μ₀ = 1730

Standard Deviation σ = 257

We need to calculate z scores for the values 1689 and 2267

We apply formula for z scores

z = ( X - μ₀ ) /σ

X = 1689 then

z = (1689 - 1730)/ 257 ⇒ z = - 41 / 257

z = - 0.1595

And from z table we get for z = - 0,1595

We have to interpolate

- 0,15 0,4364

- 0,16 0,4325

Δ = 0.01 0.0039

0,1595 - 0,15 = 0.0095

By rule of three

0,01 0,0039

0,0095 x ?? x = 0.0037

And 0,4364 - 0.0037 = 0,4327

Then P [ X ≤ 1689 ] = 0.4327 or P [ X ≤ 1689 ] = 43,27 %

And for the upper limit 2267 z score will be

z = ( X - 1730 ) / 257 ⇒ z = 537 / 257

z = 2.0894

Now from z table we find for score 2.0894

We interpolate and assume 0.9815

P [ X ≤ 2267 ] = 0,9815

Ths vale already contains th value of P [ X ≤ 1689 ] = 0.4327

Then we subtract to get 0,9815 - 0,4327 = 0,5488

Finally

P [ 1689 ≤ X ≤ 2267 ] = 0,5488 or P [ 1689 ≤ X ≤ 2267 ] = 54,88 %

8 0

2 years ago

4 + 8x = -12 what is X?

Elena L [17]

Answer:

x=-2

Step-by-step explanation:

4+8x=-12

-4 -4

8x = -16

/8 /8

x = -2

5 0

2 years ago

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Write this statement as a conditional in if-then form:. . All triangles have three sides.. . (1 point). If a triangle has three

ehidna [41]

The correct answer is:

If a figure is a triangle, then it has three sides.

Explanation:

A conditional is an if-then statement. The part after "if" is called the hypothesis; the part after "then" is called the conclusion.

We know that triangles have 3 sides. We will start out with "if a figure is a triangle"; we end with "then it has three sides."

This is a true conditional statement.

3 0

3 years ago

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Dr. Drazzle collected 70 L of ocean water to test for antibacterial properties he split the water into 100 samples how much wate

Mazyrski [523]

70 liters ÷ 100 samples= 0.7 or 7/10 liter per sample

Hope this helps! :)

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2 years ago

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