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Anastasy [175]
3 years ago
6

Find the value of x so that line m is parallel to line l.

Mathematics
2 answers:
pickupchik [31]3 years ago
8 0

Answer:

-17

Step-by-step explanation:

The two angles that are shown are *corresponding angles* which means they lie in the same spot, just on two different parallel lines. They are congruent angles. Therefore, you should set up an equation to solve for <em>x.</em> Since the two angles are congruent, you should set the expressions equal to each other. 3x-12=4x+5.

RideAnS [48]3 years ago
4 0

Answer:

-17

Step-by-step explanation:

The angles are corresponding angles so when the lines are parallel, the lines are equal

3x-12 = 4x+5

Subtract 3x from each side

3x-12 -3x = 4x+5-3x

-12 = x+5

Subtract 5 from each side

-12 -5 = x+5-5

-17 = x

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question a is 80

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2 years ago
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Identify the angle relationship, write an equation and Solve for x. ​
irakobra [83]

Answer:

2x-6+x+x=180

4x-6=180

4x=180+6

4x=186

x=\frac{186}{4}=46,5°

Step-by-step explanation: the other angle is equal to his simmetrical, cause the triangle is isosceles, so is value is x. The sum of the angle in a triangle must be 180°

6 0
3 years ago
Explain why x^2 + y^2 -6x +10y = -34 is NOT a circle. What is it?
kenny6666 [7]

Answer:

(See explanation for further details)

Step-by-step explanation:

The expression is transformed into its standard form:

x^{2} + y^{2} - 6\cdot x + 10\cdot y + 34 = 0

x^{2} - 6\cdot x + 9 + y^{2} + 10\cdot y + 25 = 0

(x-3)^{2} + (y+5)^{2} = 0

The function does not represent a circle, as radius is a positive number.

4 0
3 years ago
The total surface are of a can is 296.73in ^2. if the radius of the can is 4.5 inches what is the height of the can
Travka [436]

Surface Area of can (SA) = (2 · π · r²) + (2 · π · r · h)

296.73 = [2 · π · (4.5)²] + [2 · π · (4.5) · h]

296.73 = 40.5π + 9π · h

296.73 - 40.5π = 9π · h

(296.73 - 40.5π)/9π = h

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6 = h

Answer: 6 inches

5 0
3 years ago
Determine the factors of 3x2 + 10x - 8.
igomit [66]
So in order to determine the factors of the given expression above, here is the step by step process.
Firstly, we need to know the factors of -8 that when multiplied together will result it -8. So after, I have listed it, I found out that it is -2 and +4.
So let us check. So the factors for this would be (3x-2)(x+4). When you multiply these factors, the result would be <span>3x2 + 10x - 8. Hope this answer helps.</span>
5 0
3 years ago
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