1 year ago

Which angle do ΔEBC and ΔADC share?

Mathematics

1 answer:

BARSIC [14]1 year ago

6 0

Answer:

The angle in C

Step-by-step explanation:

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Which statement about the equation 3x ^ 2 + 9x - 12 = 0 is true ? 1 . The product of the roots is -12 . 2 The product of the roo

svetlana [45]

Answer:

Option : The product of the roots is - 4

Step-by-step explanation:

$3x^2 + 9x - 12 = 0\\\\3x^2 + 12x - 3x - 12 = 0\\\\3x(x+4) -3(x+4) = 0\\\\(3x - 3) (x+ 4) = 0\\\\$

Therefore the roots are -4 and 1

The product of the roots are -4 x 1 = -4

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2 years ago

A kite ascends at a rate of 30 feet per minute. What is the elevation after 6.5 minutes

Sever21 [200]

Answer:

195 feet.

Step-by-step explanation:

multiply 30 x 6.5.

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2 years ago

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2 years ago

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The perimeter of a triangle is 27. Each side of the triangle has length 2x-3. What is the value of x?

Bezzdna [24]

Answer:

x=6

Step-by-step explanation:

To find the perimeter of the triangle you need to add up all the sides, so if all the sides are 2x-3 the equation will look like this;

2x-3+2x-3+2x-3=27

which when combining like terms will leave it to be;

6x-9=27

Than move all the factors besides x over to the right side;

6x-9+9=27+9

6x = 36

6x/6 = 36/6

x = 6

so your answer will be x=6

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2 years ago

In the diagram, which pair of angles are vertical angles?

dusya [7]

Angles 1 and 3, angles 2 and 4, angles 5 and 7, and angles 6 and 8. They are also congruent, because vertical angles are congruent.

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2 years ago