3 years ago

Find the area of the shaded figure

Mathematics

1 answer:

lesya692 [45]3 years ago

6 0

Answer:

Step-by-step explanation:

The area of the figure is a sum of:

the area of the rectangle:

4 m × 12 m = 48 m²

and the area of the triangle:

¹/₂ × (6 + 4 + 6) m × 5 m = 40 m²

Therefore, area of the firgure:

A = 48 m² + 40 m² = 88 m²

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What number complete the fallowing equation? 8×(40+7)=(8×_)+(8×7) A=40 B=47 C=320 D =376

11Alexandr11 [23.1K]

8x40=320 (+) 8x7=56 (=) 376.

A=40

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Vesna [10]

Answer: the answer is

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I don't understand how this works

gavmur [86]

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What are the real zeros of x^3+4x^2-9x-36

Katyanochek1 [597]

Answer:

$x = -4\\x = -3\\x = 3$

Step-by-step explanation:

To find the real zeros you must match the function to zero and factor the expression.

We have a polynomial of degree 3.

We try to group the terms to perform the factorization

$x ^ 3 + 4x ^ 2-9x-36 = 0\\\\x ^ 2(x + 4) - 9(x + 4) = 0$

Now we take (x + 4) as a common factor

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

If we have an expression of the form $(a ^ 2-b ^ 2)$ we know that this expression is equivalent to:

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In this case

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So:

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Finally:

$x ^ 3 + 4x ^ 2-9x-36 = (x + 4)(x + 3)(x-3) = 0$

The solutions are:

$x = -4\\x = -3\\x = 3$

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3 years ago

A path 3 m wide runs around the inside of a square park inside 60 M.FIND THE AREA OF THE PATH.pls

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Step-by-step explanation:

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2 years ago

Find the area of the shaded figure​

Find the area of the shaded figure