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3 years ago

10

A semi-circle is connected to an isosceles triangle. The radius of the semi-circle is 2 inches, and the height of the triangle i

s 6 inches. Find the area of the composite figure. My kid needs help with this.

1 answer:

NikAS [45]3 years ago

5 0

Answer:

Hi

Step-by-step explanation:

Is there like a multiple choice so I could answer it:)

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Y = 4x+2<br>y = -2x - 3

Dima020 [189]

Solve for x and y

y = 4x+2

y = -2x - 3

<h3><u>Answer:</u></h3>

$x = \frac{-5}{6}$ and $y = \frac{-4}{3}$

<h3><u>Solution:</u></h3>

Given equations are:

y = 4x+2 --------- eqn 1

y = -2x - 3 ---------- eqn 2

We have to solve both equations and find values of "x" and "y"

Substitute eqn 1 in eqn 2

4x + 2 = -2x - 3

Combine like terms we get,

4x + 2x = -3 - 2

On solving,

6x = -5

$x = \frac{-5}{6}$

Substitute "x" value in eqn 1

$y = 4(\frac{-5}{6}) + 2\\\\y = \frac{-20}{6} + 2\\\\y = \frac{-20 + 12}{6}\\\\y = \frac{-8}{6} = \frac{-4}{3}$

Thus $x = \frac{-5}{6}$ and $y = \frac{-4}{3}$

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4 years ago

How is factoring a trinomial different than factoring a number?

JulijaS [17]

Answer:

Hope this answers the question.

Step-by-step explanation:

Factoring a number: If you use the number 10, for example, you have to find all the factors to factor it. 1, 2, 5, 10.

Factoring a trinomial: If you use the trinomial x^2 + 16 + 64, for example, to factor it you need to first find what numbers multiply up to 64 and also add up to 16. In this case, those numbers are 8, and so you get (x + 8)^2.

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Three hundred and seven

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