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Nitella [24]
3 years ago
5

1. Simplify the problem below -3x^-2​

Mathematics
2 answers:
gayaneshka [121]3 years ago
7 0

Answer:

-3/x^2

Step-by-step explanation:

frozen [14]3 years ago
4 0

Answer: -3/x^2

Step-by-step explanation:

Hope this helps

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Surface area is always measured in square units.<br><br> True<br> False
OLEGan [10]
<h3>Answer: True</h3>

Often we replace "units" with something like "feet" or "meters"

examples: square feet, square meters, square yards, etc

The "square" refers to the idea that any surface area can be unwrapped and lay flat, then you can break the area of that flat figure into smaller squares. A good example of this is a dice has 6 faces and each face is a square itself, so the total surface area is the sum of all the 6 square areas.

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3 years ago
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Can anybody help <br> 48=x^2+2x
lubasha [3.4K]

Answer:

x^{2} + 2x - 48 = 0

-> x = 6, x = -8

4 0
3 years ago
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BlackZzzverrR [31]

Answer:

x=81 or 1/3

Step-by-step explanation:

x^\log_3(x)} =81x^3\\\log_3(x^{\log_3(x)})=\log_3(81x^3)\\\(\log_3x)(\log_3x)=\log_381+\log_3x^3\\(\log_3x)^2=3\log_3x^+4\\\\Let u=\log_3x\\\\u^2-3u-4=0\\(u-4)(u+1)=0\\u=4 \\4=\log_3x\\x=3^4=81\\\\u=-1\\-1=\log_3x\\x=3^{-1}=1/3

3 0
3 years ago
If a line contains the point (0, -1) and has a slope of 2, then which of the following points also lies on the line?
larisa86 [58]
The answer is B. because if you make an equation in the form y=mx+b then you can solve the equation by inputting x where x goes in the equation and solving. BTW the equation would be y=2x-1
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A wheel with radius 1 foot makes 1 revolution in 4 seconds. What is the linear velocity, in feet per second, of a point on the e
Alona [7]

In one revolution of the wheel, a point on the edge travels a distance equal to the circumference of the wheel.

The wheel has radius 1 ft, so its circumference is 2π (1 ft) = 2π ft.

Then the point has a linear speed of

(1/4 rev/s) * (2π ft/rev) = 2π/4 ft/s = π/2 ft/s

5 0
3 years ago
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