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Tresset [83]
3 years ago
11

To decrease an amount by 7% what singular multiplier would you use

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
7 0
You would multiply it by .07 and then subtract that number from the original. Or to not subtract like that, just multiply it by .93 for 93% this would also represent a 7% decrease.
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Solve the following equation, using the Bhaskara formula: x² - 5x + 6 = 0
kramer

    x^2-5x+6=0

    x=\frac{-(-5)\pm\sqrt{(-5)^2-4\times1\times6}}{2\times1}\Leftrightarrow

\Leftrightarrow x=\frac{5\pm\sqrt{25-4\times6}}{2}\Leftrightarrow

\Leftrightarrow x=\frac{5\pm\sqrt{25-24}}{2}\Leftrightarrow

\Leftrightarrow x=\frac{5\pm\sqrt{1}}{2}\Leftrightarrow

\Leftrightarrow x=\frac{5\pm1}{2}\Leftrightarrow

\Leftrightarrow x=\frac{5-1}{2}\;\;\;\vee\;\;\;x=\frac{5+1}{2}\Leftrightarrow

\Leftrightarrow x=\frac{4}{2}\;\;\;\vee\;\;\;x=\frac{6}{2}\Leftrightarrow

\Leftrightarrow x=2\;\;\;\vee\;\;\;x=3

Answer:  x\in\{2\;;\;3\}

4 0
3 years ago
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A grocer wants to mix nuts costing 5.00 per kilogram with nuts costing 8.00 per kilogram to make a 10 kilogram mixture for 6.00
vladimir1956 [14]

Step-by-step explanation:

let E be weight of expensive nuts, C be cheaper nuts

E*8+C*5=10*6 value equation

E+C=10 mass equation

Solve it by any method, I will do determinants

Det: 8-5=3

E= (60-50)/3=10/3 =3.33 lb

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2 years ago
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Find the Difference 9,052-7,391
netineya [11]
The answer for this problem is 1661
3 0
3 years ago
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1. What is the value of 668 + 575 + 453, rounded to
Brums [2.3K]

Answer:

E. 1,700 is your answer.

Step-by-step explanation:

What you do is you add 668 + 575 + 453 together.

668 + 575 + 453 = 1,696.

The hundreds place is the 9. Since the 9 is bigger than 4 it gets rounded up. That means the 6 in front of the 9 becomes a 7 and 9 and 6 become a zero.

E. 1,700 is your answer.

6 0
3 years ago
Which numbers are irrational​
shusha [124]

Answer:

Pi

Step-by-step explanation:

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3 years ago
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