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marysya [2.9K]
3 years ago
8

The inverse of a function is a function?

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
5 0

yes because you do the opposite so it would not be a function

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What is 6/7 times 7/9
Mrac [35]
\frac{6}{7} \times  \frac{7}{9}  =  \frac{6}{9} = \frac{2}{3}

2/3 is your answer.
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3 years ago
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Find 2 numbers, if their sum is -11 and their difference is 41
frosja888 [35]

Answer:

  15, -26

Step-by-step explanation:

The <em>generic solution</em> to a "sum and difference" problem can be found easily. Let "a" and "b" represent the numbers you seek, and let "s" and "d" represent their sum and difference:

  a + b = s

  a - b = d

Adding these two equations tells you ...

  2a = s + d

  a = (s + d)/2 . . . . . . divide by the coefficient of a

You can find "b" several different ways. One way is to subtract the second equation from the first:

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So, the second number can be found from any of ...

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____

For the numbers given here, s=-11, d=41, the two numbers are ...

  a = (-11 +41)/2 = 15

  b = -11 -15 = -26

The two numbers are 15 and -26.

5 0
3 years ago
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Sophie [7]

Answer: 6

Step-by-step explanation:

4+(x-3) = 2x-5

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Solve the system of equations y=x^2-3x+2 <br> y=-9x-3
iragen [17]

Answer:

Step-by-step explanation:

The slope-intercept form is  

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5 0
3 years ago
What will be the surface of 20in 3.75 in and 12,5in
Darina [25.2K]

Answer:

How do I calculate surface area?

Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

Step-by-step explanation:

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2 years ago
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