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Ivenika [448]
3 years ago
7

To increase an amount by 30%, what single multiplier would you use? and To decrease an amount by 30%, what single multiplier wou

ld you use?
Mathematics
1 answer:
Kamila [148]3 years ago
6 0

Answer:

To increase, use 1.3

to decrease, use .7

Step-by-step explanation

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By showing your work what is the answer to 0.96÷0.144=
gayaneshka [121]


Recognize that both 0.96 and 0.144 are divisible by 12:

(0.96/12) / (0.144/12) = 0.08 / 0.012.  This reduces to 0.02 / 0.003, or
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You could also begin by eliminating the decimal fractions.  Mult. 0.96 and 0.144 each by 1000 results in 960/144.

Since both 960 and 144 can be divided evenly by 24, we get 40 and 6.
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7 0
3 years ago
Where does the line through (1, 0, 1) and (4, −3, 3) intersect the plane x + y + z = 6?
Irina-Kira [14]

Parametrically for real t the line is


(x,y,z) = (1-t)(1,0,1) + t(4,-3,3)


(x,y,z) = (1,0,1) + t(4-1,-3-0,3-1)


(x,y,z) = (1,0,1) + t(3,-3,2)


That's three equations; we substitute into


x+y+z=6


(1+3t)+(0-3t) + ( 1+2t)=6


2t=4


t=2


(x,y,z) = (1,0,1) + 2(3,-3,2) = (7,-6,5)


The intersection is a single point (7,-6,5).



7 0
3 years ago
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