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3 years ago

What is 217479 divided by 245

Mathematics

2 answers:

dolphi86 [110]3 years ago

7 0

887.6 is the answer when you divide 217479 by 245, hope this helped you

jek_recluse [69]3 years ago

5 0

Well, if you do that with a calculator, you get about 887.7 rounded to the nearest tenth.

Hope this helps! :)

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What can be concluded about the line represented in the table? Check all that apply. x y –6 –7 2 –3 8 0 The slope is 2. The slop

Stels [109]

The first thing we must do for this case is to find the equation of the line.
$y-yo = m (x-xo)
$
We have then:
$m = (y2 - y1) / (x2-x1)

m = (-3 - 0) / (2-8)

m = 1/2$
We choose an ordered pair:
$(xo, yo) = (8, 0)
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Substituting values:
$y-0 = (1/2) (x-8)

y = (1/2) x - 4$

From here we conclude:

Intersection with y:
We evaluate x = 0 in the function:
$y = (1/2) (0) - 4

y = -4$

Slope of the line:
$m = 1/2
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Point (-2, -5):
We evaluate the value of x = -2 and the value of y = -5
$-5 = (1/2) (- 2) - 4

-5 = -1 - 4

-5 = - 5$
The equation is satisfied.

Point (8, 0):
It is part of the table, therefore belongs to the line.

Answer:
The slope is 1/2
The y-intercept is -4.
The points (-2, -5) and (8, 0) are also on the line.

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Step-by-step explanation:

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A light private plane can fly 120 mph in still air. Flying against the wind, the plane can fly 320 miles in the same time it req

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Alright, lets get started.

A light private plane can fly 120 mph in still air.

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Flying against the wind, the plane can fly 320 miles, so time taken will be

t = $\frac{320}{120-x}$

With the wind, the plane can fly 640 miles, so time taken will be

$t = \frac{640}{120+x}$

Both times are given same, so

$\frac{320}{120-x}= \frac{640}{120+x}$

Cross multiplying

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$120+x = 240-2x$

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Answer:

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