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2 years ago

A ladder leans against the wall and reaches a

Mathematics

1 answer:

stich3 [128]2 years ago

5 0

The base would represent the side adjacent to the angle and the height up the wall would be the opposite side. Using the tangent^-1 (opposite over adjacent) function we are looking for the tan^-1 of 6/24 or 14.04°

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2 please answer this question

Fittoniya [83]

B. End of the reconstruction.

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3 years ago

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Does anyone know this answer??

Aleonysh [2.5K]

For this case we have the following equation:

$(2x + 3) ^ 2 + 8 (2x + 3) + 11 = 0$

Let $u = 2x + 3$

We have:

$u ^ 2 + 8u + 11 = 0$

By definition, given an equation of the form $ax ^ 2 + bx + c = 0$

The quadratic formula, to find the solution can be written as:

$x = \frac{-b+/-\sqrt{b ^ 2-4 (a) (c)} }{2(a)}$

In this case we have:

$a = 1\\b = 8\\c = 11$

Substituting in the quadratic formula we have:

See attached image

Answer:

Option B

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3 years ago

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The base of each pyramid is an isosceles triangle. Which has the greater surface area?

Semenov [28]

The base is the greatest surface area

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3 years ago

A little help? What does Y equal? ( Giving Branliest )

elena-14-01-66 [18.8K]

Answer:

-4/3 = y

Step-by-step explanation:

-1/2 = 3/8y

Multiply each side by 8/3 to isolate y

-1/2 * 8/3 = 3/8y * 8/3y

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2 years ago

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Evaluate the expression a +7 when a=4, b=2, and c=8

tatyana61 [14]

Answer:

a + 7

so "a" is 4 so

4+7=11

Hope this helps!

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2 years ago

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