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Andrei [34K]
2 years ago
14

Good at graphing coordinates? I need some help on that please!

Mathematics
1 answer:
ohaa [14]2 years ago
4 0
Here are the coordinates :)

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What is -√169? (note: negative in front of the √)
Mademuasel [1]
Hello!
Ignore the negative and solve the square root which is 13.
Add the negative with 13 you get -13
Special case is when it is square root of -169 then it will involved with i.
But for this question just solve it directly.
Have a great day!
4 0
3 years ago
In 2009, the American Time Use Survey found that the average American spends 2.8 hours a day watching TV. Suppose the standard d
Anit [1.1K]

Answer:

4.72 hours/day

Step-by-step explanation:

Mean time spent watching TV (μ) = 2.8 hours a day  

Standard deviation (σ) = 1.5 hours a day

The 90th percentile (upper 10%) of a normal distribution has an equivalent z-score of roughly z = 1.282. The minimum time spent watching TV, X, at the 90th percentile is:

z=\frac{X-\mu}{\sigma} \\1.282=\frac{X-2.8}{1.5}\\ X=4.72\ hours/day  

On a typical day, you must watch at least 4.72 hours of TV to be in the upper 10%.

8 0
3 years ago
What is the importance of polynomial functions and how this real life applications improve or contribute to the value of life
-Dominant- [34]

Answer:

<u><em>What is the importance of polynomial functions?</em></u>

<u><em> </em></u>Polynomials are an important part of the "language" of mathematics and algebra. They are used in nearly every field of mathematics to express numbers as a result of mathematical operations. Polynomials are also "building blocks" in other types of mathematical expressions, such as rational expressions.

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<u><em>How these real-life applications improve or contribute to the value of life?</em></u>

Since polynomials are used to describe curves of various types, people use them in the real world to graph curves. Combinations of polynomial functions are sometimes used in economics to do cost analyses, for example. Engineers use polynomials to graph the curves of roller coasters and bridges.

6 0
3 years ago
Using this map- what 4 countries border India to the north?
Dahasolnce [82]
Pakistan, china, Nepal, and Bhutan
8 0
2 years ago
Can someone please answer this im stuck
Nastasia [14]
I think its A not sure though
5 0
3 years ago
Read 2 more answers
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