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IRINA_888 [86]
2 years ago
11

Answer this equation −4x+5=−4x−5

Mathematics
2 answers:
Semmy [17]2 years ago
6 0

Answer: There is no solution

Step-by-step explanation: if you simplify the equation it becomes 0=10 which well, false. Therefore there is no solution for x

My name is Ann [436]2 years ago
5 0

Answer:

no solutions

Step-by-step explanation:

−4x+5=−4x−5

Add 4x to each side

−4x+4x+5=−4x+4x−5

5 = -5

This is never true, so there are no solutions

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Step-by-step explanation:

add the like terms 5m + 6n + 8m + 2 = 13m + 6n +2

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3 years ago
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Keith_Richards [23]
The linear form of that equation is y=1/4x+2. Your y-intercept should be 2 and the slope is 1/4.

8 0
3 years ago
The area of a square is 49 square meters. How long is each side?
Artemon [7]

A square has 4 equal sides, which means when you need to work out the area, you're doing length × width, but the length and width are exactly the same, because it's a square (look at the picture if you don't understand this).

That means you just have to pick any side (let's call this side x), and multiply it by another side of the square. Now, because all of the sides are equal, you're doing x multiplied by x, which is the same as x².

Therefore, if the area is equal to x², and in this question, it's also equal to 49 (as stated in the question), we can equate them to each other:

x² = 49

Now to get the x by itself, we need to do the opposite of squaring, which is square rooting. Therefore, we square root both sides of the equation:

√x² = √49

The √ and the ² cancel out, so you're just left with x:

x = √49

The square root of 49 is just 7, so we can replace √49 with 7, and we get:

x = 7

Now remember, earlier, I called x the value of one side. Therefore, by remembering that, you know that the value of one side is equal to 7. And because all the sides are the same as each other, each side is equal to 7 metres.

Therefore, your final answer is 7 metres :)

3 0
3 years ago
PLEASE HELP IM FAILING MATH
Mamont248 [21]

Answer:

$5,665

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First, you multiply 5,500 times 3 to get 16,500, and then divide by 100 to get 165. That is how much she earned over the past three years, but it is NOT her new account balance, because you have to add 5,500 and 165, which you would get a final sum of $5,665. I hope this helps :)

4 0
2 years ago
a 12-ft-long ladder is leaning against a building. the ladder makes a 45 degree angle with the building. how far up the building
zhuklara [117]
12 cos45degree=8.486 ft
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3 years ago
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