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3 years ago

An outline of the school. The measurements are 48 yards, 50 yards, 9 yards, 30 yards, 30 yards, 30 yards, 9 yards, 50 yards.

Mathematics

2 answers:

valentina_108 [34]3 years ago

8 0

Answer:

Step-by-step explanation:

Perimeter equals the lengths of each side or edge added together

The perimeter of a square is P = 4 × side all four sides ar the same length

The perimeter of a rectangle is P = 2×L + 2×W

Perimeter of a circle is P = π × r

The perimeter here is a random polygon, but still just add up all sides to get your answer.

P = 47 + 50 + 9 + 30 + 30 + 30 + 9 +50

= 47 + 2×50 + 2×9 + 3×30

= 47 + 100 + 18 + 90

= 190 + 65

P = 255 yards I assume there is a typo somewhere in the question

Lelechka [254]3 years ago

3 0

Answer:

48 yards!

Step-by-step explanation:

its correct on edge!

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The factors for given equation f(x)= $x^{3} +3x^{2} -25x-75$ .

(x-1) - No
(x-3) - No
(x+3) - Yes
(x-5) - Yes
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<u>Step-by-step explanation:</u>

The given equation is f(x)= $x^{3} +3x^{2} -25x-75$ .

Add 0 at the end of the equation.

$x^{3} +3x^{2} -25x-75$ = 0.

Let us group the given equation,

$(x^{3} +3x^{2}) -(25x-75)$ =0.

⇒ Group 1: $x^{3} +3x^{2}$ .

Group 2: $- 25x +75$ .

Pull out factor from each group,

⇒ Group 1: $(x+3)(x^{2})$ .

Group 2: (x+3) (-25).

Join the two group since both (x+3) is common in both groups.

$(x+3)(x^{2} -25)$ =0.

One of the factor is (x+3).

Other factors are solved by the formula, $a^{2}-b^{2} = (a+b) (a-b)$ .

$(x+3)(x^{2} -25)$ = (x+5) (x-5) .

The other factors are (x+5) and (x-5).

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