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Alik [6]
3 years ago
6

Plz help me!!!! I'll mark first correct answer brainliest!!!!

Mathematics
1 answer:
ANEK [815]3 years ago
7 0
It would be 2 6/7
the reason why it is right because i am so smart and i am in school...

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5.2412<br> 2x+3y=-5<br> 5x-y=-12
cupoosta [38]

Answer: 5.2412 = 5.2412 = 2x + 3y = −5 = 2x + 3y = -5 = 5x − y= -12

4 0
3 years ago
To add integers with like signs, add the integers with unlike sign's subtract the integers and copy the sign of the integers wit
melisa1 [442]

To add integers with different signs, subtract the lesser absolute value from the greater absolute value. Use the sign of the integer with the greater absolute value for the sum. The following steps will be useful to find the sum of two numbers with different signs.

3 0
3 years ago
Find the second derivative at the point (1,1), given the function below. 2x^9+1=3y^3
lyudmila [28]

The value at point ( 1, 1 ) is 8.

<u>Explanation:</u>

Given

3y³ = 2x⁹ + 1

y³ = 2/3x⁹ + 1/3

y = ∛2/3 x⁹ + 1/3

We need to first find dy/dx which is the first derivative and then d²y/dx² which is the second derivative

\frac{dy}{dx} = \frac{2x^8}{y^2}

\frac{d^{2}y }{dx^2} = \frac{16x^7}{y^2} - \frac{8x^1^6}{y^5}

Put the value of (1,1) : x = 1 and y = 1 in d²y/dx² equation

\frac{d^2y}{dx^2}  = \frac{16 X 1^7}{1^2} - \frac{8 X 1^1^6}{1^5}

\frac{d^2y}{dx^2} = 16 - 8\\\\\frac{d^2y}{dx^2}  = 8

Therefore, the value is 8.

6 0
3 years ago
f(x) = 3x2 - 2x g(x) = x + 4 When finding f(x) · g(x), what could the first step look like? A) 3x2 + 12x2 - 2x2 - 8x B) 3x2 + 7x
Anna71 [15]

(3x^2 - 2x)(x + 4)

<em><u>First step would be: distributive property.</u></em>

3x^3 + 12x^2 - 2x^2 - 8x

<em><u>Combine like terms.</u></em>

3x^3 + 10x^2 - 8x is the simplified form of the functions multiplied.

Your answer is D.


3 0
3 years ago
Factor 12m^2n^2-8mn+1
Vika [28.1K]
12m²n² -8mn +1


[6mn-1]•[ 2mn-1]

[ 6mn•2mn + 6mn•-1 + -1•2mn +-1•-1]

= [ 12 m²n² -6mn -2mn +1]

= [ 12m²n2-8mn+1]





.........
6 0
3 years ago
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