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Lena [83]
3 years ago
9

Draw triangle ABC by first drawing segment BC six inches long. Then draw a 60° angle at vertex B and a 60° angle at vertex C. Ex

tend the segments so that they intersect at point A.
Mathematics
1 answer:
Rina8888 [55]3 years ago
4 0

Answer:

Step-by-step explanation:

Given that segment BC is the base of the triangle, this drawing shows that triangle ABC is an equilateral triangle.

Since;

<B = <C = 60°

Then,

<A + <B + <C = 180^{o}

<A + 60° + 60° = 180^{o}

<A = 180^{o} - 120^{o}

    = 60°

Thus,

AB = BC = AC = 6 inches

The construction is attached to this answer.

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Debora [2.8K]
9d - 5 = 4d + 35

9d (-4d) - 5 (+5) = 4d (-4d) + 35 (+5)

5d = 40

5d/5 = 40/5

d = 8

hope this helps
3 0
3 years ago
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Svetllana [295]

Answer:

6x - 11y = -13 is the answer.

Step-by-step explanation:

Let's plug in the points to see what sticks.

Start with (-4, -1)

1) 11x - 6y = 11(-4) - 6(-1) = -44 + 6 = -38 \neq 13

2) 6x - 11y = 6(-4) - 11(-1) = -24 + 11 = -13

3) 6x - 7y = 6(-4) - 7(-1) = -24 + 7 = -17 \neq 17

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The only one that fits is #2.  Let's try the other point to be sure.

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3 0
3 years ago
Combine like terms to write an equivalent expression. Then use y = 5 to prove the expressions are equivalent. 1 + y + y + y + 1
NeX [460]

Answer:

The equivalent expression is  

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Step-by-step explanation:

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