4 years ago

Solve for x 3 x − 2 = 2 x − 4

Mathematics

2 answers:

prohojiy [21]4 years ago

5 0

Answer:

x= -2

Step-by-step explanation:

andreev551 [17]4 years ago

3 0

Answer: x=-2

Step-by-step explanation: first subtract 2x from both sides leaving you with x-2=-4

Then add 2 to both sides, leaving you with x=-2

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3 years ago

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5 = 4a - 7<br> 3 - 8c = 35<br> -1/2x -7 = -11<br> Solve this please.

Hitman42 [59]

Answer:

a=3, c=-4, x=8

Step-by-step explanation:

5=4a-7

4a-7=5

4a=5+7

=12

a=12÷4

3-8c=35

-8c=35-3

=32

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3 years ago

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3 years ago

Angle measures of a triangle are in the ratio 5:6::7. Find the measures of the triangle

Arturiano [62]

Answer:

(5×6)=30×7=140 the answer is 140

7 0

4 years ago

HELP FAST PLEASE!!!

Alisiya [41]

Answer:

$y = -0.75x + 9.5$

Step-by-step explanation:

Equation of a circle is given as :

$(x-a)^{2} + (y-b)^2 = r^{2} \\(x-6)^{2} + (y-5)^2 = 4^{2}\\x^{2} - 12x + 36 + y^{2} -10y + 25 = 16\\x^{2} - 12x + y^{2} -10y + 45 = 0\\$

Take the derivative of the above with respect to x

$2x - 12 + 2y dy/dx - 10 dy/dy = 0\\\frac{dx}{dy} = \frac{6 - x}{y-5} \\At (2,8) dy/dx = (6-2)/(8-5) = 4/3\\dy/dx = 4/3\\The slope of the tangent to the circle, m = \frac{-1}{dy/dx} \\m = \frac{-1}{4/3}\\m= -0.75$

The equation of the tangent is given by :

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8 0

3 years ago

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