How do you explain if something IS NOT a perfect square/ square number?

Mathematics

2 answers:

mariarad [96]3 years ago

6 0

Answer:

A square number cannot be a perfect number. 0, 1, 5, 14, 30, 55, 91, 140, 204, 285, 385, 506, 650, 819, 1015, 1240, 1496, 1785, 2109, 2470, 2870, 3311, 3795, 4324, 4900, 5525, 6201... The sum of the first odd integers, beginning with one, is a perfect square: 1, 1 + 3, 1 + 3 + 5, 1 + 3 + 5 + 7, etc.

Step-by-step explanation:

Tom [10]3 years ago

6 0

Answer: Suppose √64 = 8, Here 64 is the perfect square number. It gives 8 as the answer which is a natural number. So we call 64 as a perfect square number. Based on this I conclude the numbers which give decimal form an answer when they are under root those are considered to be not a perfect square number.

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Find the x-intercepts and y-intercept for the parabola below. Write answers as (x,y) coordinates.

poizon [28]

Assuming the function is $y=2x^2-4x-6$
the x intercepts are where the graph hits the x axis or where y=0
the y intercepts are where the graph hits the y axis or where x=0

x intercepts
set y=0 and find x
$0=2x^2-4x-6$
$0=2(x^2-2x-3)$
what 2 numbers multiply to get -3 and add to get -2?
-3 and 1
$0=(2)(x-3)(x+1)$
set to 0
0=x-3
3=x
0=x+1
-1=x

x intercepts are at x=-1 and 3 or the points (-1,0) and (3,0)

y intercepts are where x=0
set x=0
$y=2(0)^2-4(0)-6$
$y=0-0-6$
$y=-6$
y intercept is at (0,-6)

x intercepts are at (-1,0) and (3,0)
y intercept is at (0,-6)

5 0

3 years ago

What is the sum of 8 (4/5) and 4 (1/2)

sp2606 [1]

Answer:

8(0.8)+4*0.5

=6.4+2

=8.4 ANS

Step-by-step explanation:

7 0

4 years ago

SOMEBODY HELP ME PLEASE

Karolina [17]

The exponential model indicates that hydropower energy generation has increased by 2.3% (0.023).

<h3>What is an exponential function?</h3>

An exponential function can be defined as a type of mathematical equation whose numerals are generated by a constant that's raised to the power of an argument.

Based on an exponential model for this data, we can deduce the following:

Mathematically, the exponential function for the given data is given by $y = 1276.6e^{0.023x}$

The exponential model indicates that hydropower energy generation has increased by 2.3% (0.023).

Hydropower energy generation in 25 years after 1970 was closest to 2270 TWh.

Because the correlation coefficient indicates a strong correlation between the model and the data, this prediction can be accepted with confidence interval of 98.7%.

Read more on exponential functions here: brainly.com/question/12940982

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