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Misha Larkins [42]
4 years ago
10

Which choice represents the best rational approximation for the square root of 20

Mathematics
2 answers:
kenny6666 [7]4 years ago
7 0

Answer:

the solution is 4.5

Step-by-step explanation:

olasank [31]4 years ago
7 0
4.4 or 4.5 if you want it exact 4.472135955
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Can you guys tell me which ones are independent varibles or dependent varibles
Mrrafil [7]

the x s are the independent variable so any direct change to them is changing the independent.  like the second one has -5 on the x

8 0
3 years ago
What is the domain of the function y=x-1 ​
Amiraneli [1.4K]

Answer:

All rational numbers or all numbers

Step-by-step explanation:

The function is a linear positive slope equation, which looks like the screenie below. Lines always travel forever, and since it is a linear line with a slope, it will be forever going in both directions.

Domain is the x-values that a function has, while range is the y-values.

Since the domain and range are infinite, it is all real numbers.

Hope this helps!

Edit: forgot the image

I zoomed out 2 million units out so you get what im saying kinda

8 0
3 years ago
What is the product?
Dmitriy789 [7]

Answer:

D

20s^3 + 50s^2 + 32s+6

Step-by-step explanation:

hope this helps

7 0
3 years ago
Read 2 more answers
Please help me!!!!!
umka21 [38]
It’s a because the total of x and y is 6.80 and the second equation is how much each are and the total being 7.

Brainliest?
5 0
3 years ago
The wavelength of violet light is 4.0 x 10^−7 m. The wavelength of red light is 6.5 x 10^−7 m. How much longer is the wavelength
AnnyKZ [126]

Answer:

A 2.5 × 10^–7 m

Step-by-step explanation:

Given

wavelength of violet light = 4.0 x 10^−7 m.

The wavelength of red light = 6.5 x 10^−7 m

To find the how much longer is wavelength of red light than violet light we have to find difference of wavelength of red and violet light

Difference in  wavelength of red light and violet light =

wavelength of red light -wavelength of violet light

                         = 6.5 x 10^−7 m - 4.0 x 10^−7 m

Difference in  wavelength of red light and violet light = (6.5 - 4.0)*10^−7 m

Difference in  wavelength of red light and violet light =2.5 x 10^−7 m

Thus,

wavelength of red light is 2.5 x 10^−7 m longer than wavelength of violet light

option A

8 0
3 years ago
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