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AleksandrR [38]
3 years ago
13

Help please with #12!

Mathematics
1 answer:
Elenna [48]3 years ago
5 0

Answer:

yes

Step-by-step explanation:

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5y(2y-3)=(2y-3) can someone help me and explain step by step on how to do it
Studentka2010 [4]
First you must add the same numbers together, for instance, you wouldn't add 4y with 4 you have to add it with another number that is just like it, for instance 4y and 9y they are the same, so you can add them. So let's get to the problem now: 5y(2y-3)=(2y-3) 5y*2y=10y (10y-3)=(2y-3) You can do nothing to the other side because there are no numbers, that are the same.
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3 years ago
What is the inverse of f(x)=4x+3 ?
GaryK [48]
<h2>Steps:</h2>

Here are the steps to convert an equation to its inverse:

  1. Change f(x) to y
  2. Switch the positions of x and y
  3. Solve for y
  4. Change y to f^-1(x)

Firstly, do the first two steps:

x=4y+3

Next, let's solve for y. Subtract 3 on both sides:

x-3=4y

Next, divide both sides by 4:

\frac{1}{4}x-\frac{3}{4}=y

<h2>Answer:</h2>

Finally, change y to f^-1(x) and your final answer will be:

f^{-1}(x)=\frac{1}{4}x-\frac{3}{4} , or <u>the second option.</u>

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2 years ago
What ratios are equivalent to 25:15
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25:15,20:10,15:5,10:0
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I don't know who needs to hear this but I wanted to hopefully reach out to someone.
Alex787 [66]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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There are 2 cats on each house roof, and there are 15 cats on the ground. The table shows how the number of cats, c, depends on
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Answer: c = 2h + 15

Step-by-step explanation: Each house (h) adds 2 cats. We represent that with 2h. Then we add the constant 15 on the ground as +15.

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