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Tju [1.3M]
3 years ago
6

Find negative square root of 16. −4 4 ±4 −8

Mathematics
2 answers:
Mandarinka [93]3 years ago
7 0

Answer:

4 is the square root of 16, so if it has to be negative, -4 would be the answer. Because you can't find the square root of -16. It could also be +-4 because the square root of -16 is invalid. Hope this helped.

pochemuha3 years ago
4 0

The answer is -4. Square root of 16 is 4, so the negative of that is -4.

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A patient is on a low​ sodium, low fat diet. Three months ago the patient weighed 240 1/8 lb Now the patient weighs 215 5/8lb Ho
grin007 [14]

namely what's 240⅛ - 215⅝.


firstly, let's convert the mixed fractions to improper, and then divide.


\bf \stackrel{mixed}{240\frac{1}{8}}\implies \cfrac{240\cdot 8+1}{8}\implies \stackrel{improper}{\cfrac{1921}{8}} \\\\\\ \stackrel{mixed}{215\frac{5}{8}}\implies \cfrac{215\cdot 8+5}{8}\implies \stackrel{improper}{\cfrac{1725}{8}} \\\\\\ \cfrac{1921}{8}-\cfrac{1725}{8}\implies \stackrel{\textit{LCD is clearly 8}}{\cfrac{1921-1725}{8}}\implies \cfrac{196}{8}\implies \cfrac{49}{2}\implies 24\frac{1}{2}

4 0
3 years ago
Read 2 more answers
Melissa wants to reseed her lawn. She chooses variety A, Shady Seed. The total area of her property is 1150 m². Her house and dr
tatiyna
I think the answer is 7.66666666667 because 1150 ÷ 150 = 7.66666666667
3 0
4 years ago
<img src="https://tex.z-dn.net/?f=%283x-1%29%5E%7B2%7D%20%2B%2012x-4%3D0" id="TexFormula1" title="(3x-1)^{2} + 12x-4=0" alt="(3x
kaheart [24]
Your answer is x = 1/3 or x = -1
To solve I would start by expanding the bracket and then collecting like-terms, and then re-factoring:
(3x - 1)² + 12x - 4 = 0
9x² - 6x + 1 + 12x - 4 = 0
9x² + 6x - 3 = 0
3(3x² + 2x - 1) = 0
From here you can factorise the bracket even further:
3(3x - 1)(x + 1) = 0
Then divide by 3:
(3x - 1)(x + 1) = 0
3x - 1 = 0
x = 1/3

x + 1 = 0
x = -1
I hope this helps! Let me know if you have any questions :)
6 0
4 years ago
Example of an inverse operation
Alexxx [7]

Addition is the inverse of subtraction and multiplication is the inverse of division.

Ex:  1+1 = 2,  2-2 = 0

6 0
3 years ago
You bought 12 red apples and 15 green apples to make a pie?
aliina [53]

Answer:

4:9

Step-by-step explanation:

12 red apples and 27 apples in total so it would be 12:27. Just divided it by 3

I think that's what the question is asking...

8 0
3 years ago
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