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Mamont248 [21]
2 years ago
9

I need help with twelve plz

Mathematics
1 answer:
EleoNora [17]2 years ago
5 0
12)
9/10   /     3/4  
= 9/10 * 4/3
= 12/10
= 6/5 
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If f(x) = 11x-1, then f^-1(x)=?
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Yes you are correct with that answer
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What are the length and width of a rectangular traffic sign if the length exceeds the width by 2 inches and the perimeter is 120
Mazyrski [523]
Answer:

L = w+2
L+w = 60
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Write the equation of a line that is perpendicular to y=3x-2 that passes trough the point (-9,5)
ElenaW [278]

\huge\boxed{y-5&=-\frac{1}{3}(x+9)}

First, we'll find the slope of the new line. The first line has a slope of 3. Take the negative reciprocal of this (Flip the numerator and denominator, then multiply by -1) to get -\frac{1}{3} for the new slope.

Then, we'll use the point-slope form to make the new equation, where m is the slope and (x_1,y_1) is a point on the line:

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3 0
1 year ago
Read 2 more answers
Linda is 12 years younger than her sister Laura. Together their total age is 18. How old is Linda? How old is Laura?
geniusboy [140]

Answer:

Linda: 3 ; Laura: 15

Step-by-step explanation:

Note that Linda + Laura's age is 18, and that Linda is 12 years younger than her sister.

Let "Linda" = x , "Laura" = y:

x + y = 18

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First, plug in y - 12 for x in the first equation:

(y - 12) + y = 18

Simplify.

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Isolate the variable (y). Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. First add, then divide.

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y = 30/2

y = 15

Next, plug in 15 for y in the second equation (the other equation would work too).

x = y - 12

x = (15) - 12

x = 3

Linda's age is 3, Laura's age is 15.

~

7 0
3 years ago
What is 992,449 rounded to the nearest hundred thousands
Rzqust [24]
992,449 rounded to the nearest hundred thousands is 1,000,000. The reason why is because the 9 in the ten thousands place is pushing up the 9 in the hundred thousands place. 



8 0
3 years ago
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