A few days ago
4√2 + 3√2 =??
please show me how you did it
Top 7 Answers
A few days ago
Favorite Answer
When they both have the same square root number you just add up the numbers infront of it
4+3 = 7
7√2 is the answer
If you need an actual number, it would be approximately 9.898
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A few days ago
To do this you can just imagine the the √2’s are actually x’s. Therefore you have
4x + 3x = ?
Now since 4 and 3 both have a common factor of x, you can add the two coefficients together. Therefore
4 + 3 = 7
or
4x +3x = 7x
Now replace x with √2 (This is what we did ealier, but now it’s reversed). In that case we have:
7x = 7√2
This is probably what they are looking for as far as an answer is concerned. The approximation is 9.8994. Texbooks tend to leave as 7√2 because it is a more acurate figure.
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A few days ago
There is a universal lesson here and it is this:the outside number multiplies the inside number.You are free to multiply 4 times the square root of 2 and add that to 3 times the root of 2.
The answer is 9.899
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A few days ago
it’s simple. when they both have the same square root number you just add up the numbers infront of it. so 4+3=7. You have a total of 7.
so you’re answer is 7√2
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4 years ago
-2^3 * 3^2 – (-2^3) – 2^5/2^3 – squareroot 4^2*3^2 -2^3 * 3^2 – (-2^3) – 2^5/2^3 – squareroot 4^2+3^2 -2^3 * 3^2 – (-2^3) – 2^5/2^3 – squareroot 4^2 -3^2 -2^3 * 3^2 – (-2^3) – 2^5/2^3 – squareroot 4^2/3^2 What is available in that clean area
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A few days ago
The sqrt of 2 is a common factor, so it becomes 7*sqrt2 [(4+3)*sqrt2]. If you need an actual number, it would be approximately 7*1.414, or 9.898.
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A few days ago
there is no square root of two. i think that’s what that sign is anyways. but to simplify it, you would just at the 4 and the 3, because that’s how you simplify, because they are like numbers. your final outcome would be
7 times the square root of two.
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