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garik1379 [7]
3 years ago
6

How do you solve this inequality? 7<-(-k-3)+2

Mathematics
1 answer:
mr Goodwill [35]3 years ago
6 0

7 < -(-k-3)+2\to-(-k-3)+2 > 7\ \ \ \ \ |-2\\\\-(-k)-(-3) > 5\\\\k+3 > 5\ \ \ \ |-3\\\\k > 2\to k\in(2,\ \infty)

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Write the equation in slope intercept form 2x-3y=6
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A square rotated about its center by 360º maps onto itself at different angles of rotation. You can reflect a square onto itself
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C=-4 D=5 P=2 Q=-1<br><br> 4cd×10×2p÷50d+20q=??
nata0808 [166]
This is very simple; don't you worry.
     Let's start by breaking down the problem so that it's not overwhelming.
For now, we're only going to focus on the very beginning of the problem -- 4c.
     When a number is next to a letter with no signs in between (in terms of this kind of math), the number is called a coefficient and the letter is called a variable. When you see this in math, it means that the coefficient is being multiplied by the variable. But how do you know what the variable is?
     In other examples of math, you'd have to solve for the variable, but in this case, they already give it to you! Look back at the top... what does C equal? It equals 4! This means that 4c is actually 4x4, or 4(4)!
     What we just did there, changing 4c to 4 multiplied by 4, is called substitution. You just substituted the c with 4. Now you know that to solve this, you need to use the method of substitution. What do you get if you substitute all of the variables with the numbers they equal (as shown above)...?

((4*-4)*5)((10(2*2))/(50(5)))+20(-1). You didn't use parentheses to separate the term /50d + 20q, so I'm assuming that the first part of the problem is only divided by just 50d, and not 50d+20q. In the future, be sure to clarify with parentheses. Anyway...
     ((4*-4)*5)((10(2*2))/(50(5)))+20(-1).<span> Do NOT let this scare you. All the parentheses do is help you see what is being multiplied. All that's left is simple order of operations! You should get -<em>340 </em>as your answer.</span>
7 0
3 years ago
Possible solution for 4+x+2-2x=5
MrRissso [65]

Answer:

x=1

Step-by-step explanation:

For algebra always start by rewriting it.

4+x+2-2x=5

Then ask yourself is there any like terms we can combine, and here yes there is. 4 and 2 and x and -2x. Now lets combine them and rewrite.

6-x=5

Now lets get x alone and the quickest way is to subtract 6 to the other side

6-x=5

-6    -6

  -x=-1

Now the two negatives cancel out as you would divide both sides by the coefficient -1 to get positive x alone. We can make this easier by just canceling out the negatives.

Your answer is

x=1

3 0
3 years ago
When solving the equation -2x = 14 . how would you solve for x?
77julia77 [94]

Answer:

Dividing -2 on both sides

Step-by-step explanation:

4 0
3 years ago
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