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morganpl415
28.08.2019 •
Mathematics
George is comparing two different phones. the screen of phone a has a width of 5.3 cm. the width of the screen on phone b
cm. which statement explains which phone has the wider screen?
the screens have the same width.
screen a is wider, because 5.3 is greater than 5
screen b is wider, because 5 3 is greater than 55.
screen b is wider, bed
ater than 5.3
Solved
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Ответ:
The screen of phone B is wider because
is greater than 5.3.
Step-by-step explanation:
We are given that
The width of screen of phone A=5.3 cm
The width of screen of phone B=
cm
We have to find the statement explains which phone has the wider screen.
The width of screen of phone B=
cm
The width of screen of phone B=
cm
The width of screen of phone B=5.33 cm
Now, we make first like decimal number and then we will compare.
Now, write zero at end of number in 5.3
Then, the number becomes 5.30 .
The hundredth part 3 in 5.33 is greater than hundredth part 0 of 5.30.
Therefore, 5.33 >5.30
Hence, the screen of phone B is wider because
>5.3.
Ответ:
slope = rise/run
rise = -3 ... move down 3 units
run = 4 move to the right 4 units
Work Shown:
m = slope
m = rise/run
m = (change in y)/(change in x)
m = (y2-y1)/(x2-x1)
m = (-17-(-2))/(24-4)
m = (-17+2)/(24-4)
m = -15/20
m = -3/4 is the slope
It basically means "move down 3 units, and move to the right 4 units"
So, slope = rise/run = -3/4
rise = -3 = move down 3 units
run = 4 = move to the right 4
You could express the slope as a decimal, and that would be -3/4 = -0.75, but you lose the rise and run values. So I recommend you keep the fraction.
Another problem with decimals is that sometimes we could have approximations that aren't exact. For example, if the slope was 2/3, then that approximates to 0.667 which may cause rounding errors down the line. Though I should point out that decimals do have their advantages in some cases.