What is keep change or flip method

2 answers:

7 0

Answer: Keep change change are used in division, like if I had 10 divided by -5 I would keep the 10 change division to multiplication and change the 5 to a positive : 10 X 5

yan [13]3 years ago

5 0

KCF, when doing a division fraction problem, you keep the first fraction, change the division into multiplication, and flip the other fraction. For example:
1/4 / 4/7
turns into
1/4 x 7/4
it makes it easier to solve

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What is 142% of 469?

arsen [322]

$\begin{array}{ccc}100\%&-&469\\\\142\%&-&x\end{array}\\\\\\cross\ multiply\\\\100x=142\times469\\\\100x=66598\ \ \ \ |divide\ both\ sides\ by\ 100\\\\\boxed{x=665.98}$

8 0

2 years ago

Read 2 more answers

Determine the horizontal, vertical, and slant asymptotes: y=x2+2x-3/x-7

densk [106]

Answer:

vertical asymptote: x = 7
slant asymptote: y = x+9

Step-by-step explanation:

The vertical asymptotes are found where a denominator factor is zero (and there is no corresponding numerator factor to cancel it). Here, that is at x = 7.

There is no horizontal asymptote because the numerator is of higher degree than the denominator.

When you divide the numerator by the denominator, you get ...

y = (x +9) +60/(x -7)

Then when x gets large, the behavior is governed by the terms not having a denominator: y = x +9. This is the equation of the slant asymptote.