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grigory [225]
3 years ago
5

A number decreased by 0.37 times the number is 12.6 Find that number.

Mathematics
1 answer:
Semenov [28]3 years ago
3 0

Answer:

Answer below, however this question is worded weirdly

Step-by-step explanation:

x(x - 0.37 ) = 12.6

simplify the equation

x^2 - 0.37x = 12.6

x^2 - 0.37x - 12.6 = 0

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Mrs. kelley asked her students to plot the number of books they read over the summer. a dot blot titled books read over the summ
Natalka [10]

The total number of students that plotted the number of books they read was <u>18,</u> making the <u>4th option</u>, a correct choice, using the dot plot.

Any data that may be shown as dots or tiny circles is called a dot plot. Given that the height of the bar created by the dots indicates the numerical value of each variable, it is comparable to a bar graph or a simple histogram. Small amounts of data are shown using dot plots.

In the question, we are informed that Mrs. Kelley asked her students to plot the number of books they read over the summer. a dot plot titled books read over the summer goes from 0 to 7. 0 has 1 dot, 1 has 3 dots, 2 has 6 dots, 3 has 2 dots, 4 has 3 dots, 5 has 1 dot, 6 has 2 dots, and 7 has 0 dots.

We are asked to find the total number of students that plotted the number of books they read using the dot plot.

The dot plot is attached to the solution.

The total number of students = The total number of dots = 1 + 3 + 6 + 2 + 3 + 1 + 2 + 0 = 18.

Thus, the total number of students that plotted the number of books they read was <u>18,</u> making the <u>4th option</u>, a correct choice, using the dot plot.

Learn more about dot plots at

brainly.com/question/24309209

#SPJ1

5 0
1 year ago
can someone tell me the steps on how i got these answers pls answer i’ll give brainlist and points worth 28 points
Katen [24]
I hope this helps
Use cymath

5 0
2 years ago
Explain why the polynomial 144x2 − 200x + 81 is not a perfect square.
Sloan [31]
The square root of 144x^2 = 12 x
and square root of + 81 = 9 or -9

if  this polynomial were a perfect square then its factors would be 
(12x - 9)(12x - 9)

but its not a perfect squre because (12x - 9)(12x - 9)  = 144x^2 - 216x + 81.
5 0
3 years ago
A circle has a radius of 6 cm. What is the area of the circle? (Use 3.14 for pi)
vampirchik [111]

Answer:

113.04 cm²

Step-by-step explanation:

area of a circle= πr²

= 3.14 x 6²

=3.14 x 36

= 113.04 cm²

5 0
3 years ago
The following table represents the running times of the men's 100 meters final at the London Olympics.
Rom4ik [11]
This cannot be fit into a normal distribution. While the first 7 runners all have times relatively close, the time of the last runner is an outlier, as it is too far from the other data points. The standard deviation is calculated by taking the mean, subtracting each value from the mean, squaring the deviations, adding these, then dividing by the number of data points (7), and taking the square root. This gives an answer of SD = 0.1107.
8 0
3 years ago
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