WHat is 20/7 written as a decimal rounded to the nearest tenth?

1 answer:

5 0

To solve this, you just divide 20 divided by 7.

20/7 = 2.85714285714

If you are trying to round to the nearest tenth, the next decimal place (hundredths) is a 5, so you must round 2.8 up one more digit.

Your final answer is that 20/7 = 2.9 when rounded to the nearest tenth.

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using 3.14 for pi what is the circumference of a circle with a radius of 6cm, show ur work PLEASE /using 3.14 for pi what is the

Illusion [34]

PT 1
the circumference of a circle is always pi times the diameter. The diameter is 2 times the radius, because diameter is all the way across the circle, whereas radius is from the center of the circle to the edge. Anyways, if the radius is 6, multiply it by 2 and you get 12, so 3.14 times 12 is 37.68, which is the answer.
PT 2
diameter=9 cm. So, just do 9 times 3.14. (diameter times pi = circumference.)
(2*radius times pi = circumference.)
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Is this right yes or no

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I think you are correct

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If line a has a slope of -3 and is perpendicular to line b, what would is the slope of line b?

ArbitrLikvidat [17]

Answer:

Slope of line B: 1/3

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In the standard (x, y) coordinate plane, what is the y-intercept of the line given by the equation <img src="https://tex.z-dn.ne

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the y-intercept will be $\frac{8}{5}$

the standard line equation is y = mx + b, where y is the y point, x is the x point, m is the slope, and b is the y-intercept.

to get the y intercept, we need to transform into the line equation, and caculate out b.

3x + 5y = 8
so 5y = 8 -3x
then y = $\frac{8}{5}$ - $\frac{3}{5}$ x
which means that $\frac{8}{5}$ = the y intercept.

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