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IRISSAK [1]
3 years ago
11

Round the factors to estimate the product 697 x 82

Mathematics
2 answers:
Art [367]3 years ago
7 0
57,154 should be the answee
KonstantinChe [14]3 years ago
3 0
Estimated would be 700 x 80
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Make a table of values and create a line of best fit
Anni [7]
<h2>Explanation:</h2><h2></h2>

Hello! remember you have to write complete questions in order to get good and exact answers. Here I'll explain this in a general way assuming the following table:

\begin{array}{cc}x & y\\0 & 0\\1 & 2\\2 & 4\\3 & 6\\4 & 8\\5 & 10\end{array}

As you can see, x increases in steps of 1 units. So let's check the difference in y:

\bullet \ \text{From x=0 to x=1} \\ \\ \Delta y=2-0=2 \\ \\ \\ \bullet \ \text{From x=1 to x=2} \\ \\ \Delta y=4-2=2 \\ \\ \\ \bullet \ \text{From x=2 to x=3} \\ \\ \Delta y=6-4=2 \\ \\ \\ \bullet \ \text{From x=3 to x=4} \\ \\ \Delta y=8-6=2 \\ \\ \\ \bullet \ \text{From x=4 to x=5} \\ \\ \Delta y=10-8=2

So we have a constant difference and we can conclude the table represents a line. Since the line passes through then y is directly proportional to x, so we can write:

y=kx \\ \\ Where: \\ \\ k \ is \ constant \ of \ proportionality \ or \ the \ slope

Then:

k=\frac{2-0}{1-0}=2

Finally, the equation of the line is:

\boxed{y=2x}

4 0
3 years ago
A)  Is this a function?  Why or why not?  (2 points)
melomori [17]
A) it is a function
use the vertical line test
6 0
3 years ago
-2x+4y=-8 which graph models the equation
katovenus [111]
Hello!

First you have to get the equation into slope-intercept form

Slope-intercept form is y = mx + b

-2x + 4y = -8

Add 2x to both sides

4y = 2x - 8

Divide both sides by 4

y = 1/2 x - 2

The graph is a line that goes through the points (0, -2), (-2, -3), (2, -1) and
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Hope this helps!
5 0
3 years ago
Luisa reads 2 pages of her book every minute. At this rate, how many hours will it take for her to read 300 pages? (60 minutes =
sergeinik [125]
2 pages per minute
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7 0
3 years ago
In each equation below, the letter x stands for an unkn
Sergeeva-Olga [200]

Answer:

x=35

Step-by-step explanation:

Given the following question:

\frac{x}{5} =7

When x is the numerator of the fraction you multiply each side by the denominator in order to isolate the variable.

\frac{x}{5} =7
\frac{5x}{5} =x
7\times5=35
x=35

Hope this helps.

8 0
1 year ago
Read 2 more answers
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