a carpenter uses a circular saw to cut a piece of lumber at a 145 angle what is the measure of the other angle formed by the cut

1 answer:

8 0

The other angle would be 35 degrees. This is because in a straight line (the wood) there are 180 degrees and when you take away 145 (the cut) you are left with 35.

180-145= 35

I hope this helps!

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The perimeter of the triangle is 40 units.Which of the following equations could be used to find the value of x?

Artyom0805 [142]

Answer:

13x + 112 = 320.

Step-by-step explanation:

The perimeter is the sum of the 3 sides:

1/2 x + 3/8 x + 11 + 3/4 x + 3 = 40

1/2 x + 3/8 x + 3/4 x + 3 + 11 = 40

1/2 x + 3/8 x + 3/4 x + 14 = 40

Multiply through by 8 to remove the fractions:

4x + 3x + 6x + 14 = 40

13x + 112 = 320.

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Vera_Pavlovna [14]

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2 years ago

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sammy [17]

Answer: About (-2.414, 0) and (0.414, 0)

Step-by-step explanation:

Let us graph the equation given and see what the x-intercepts are. These are points where the line intercepts the x-axis. <em>See attached</em>.

This means our x-intercepts are at about (-2.414, 0) and (0.414, 0).

These are also equal to $-1-\sqrt{2}$ and $-1+\sqrt{2}$