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sdas [7]
3 years ago
12

Use mental math to find the difference. 1254 - 320

Mathematics
2 answers:
Arturiano [62]3 years ago
7 0
The correct answer is 934
jekas [21]3 years ago
4 0
The answer to this is 934.
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Describe in words the region of R3 reperesented by the equations or inequalities x2+y2+z2≤3
Vaselesa [24]

Answer:

The region represented by the equation is a full sphere of radius √3 centered in the origin of coordinates.

Step-by-step explanation:

<em>In a plane xy, the equation that represents a circle with center in the origin, of radius r is</em>

x^2+y^2=r^2

<em>in R³, or a space xyz, we can represent a sphere with its center in the origin, and of radius r, with the equation</em>

x^2+y^2+z^2=r^2

So, in this problem we have that

3=r^2

which means that the sphere has a radius of √3.

<u>Finally, our equation is an inequality</u>, and the sphere is equal to, and less than, the calculated radius.

Therefore, the sphere is "full" from the surface to its center.

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If you paint 1/6 of a fence each day, how many day would it take you to paint 3/4 of the fence?
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(3/4) / (1/6)

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3 years ago
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The scatter plot shows the number of days that several homes have been for sale co.pared to the number of times the house has be
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It would be the scattered pot - how many

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If cos ⁡x=−4/5, and 180°
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Answer:

180< x < 270 so x is in 3rd quadrant ,hence tan x is positive cos x=-4/5 tan(x/2) = √ {(1 − cos x) / (1 + cos x)) = √ { (1+4/5)/(1–4/5) } =√{ 9/5)/(1/5) } =√9=±3 now ...

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Solve the equation P=4s for s
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Solve for s.

p=4s

Flip the equation.

4s=p

Divide both sides by 4.

4s/4=p/4

s=1/4p

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3 years ago
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