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Lynna [10]
3 years ago
12

PLEASE HELP ME!!!

Mathematics
2 answers:
mojhsa [17]3 years ago
6 0

Answer:

11 + (x^{2} ÷ 3)  

Bingel [31]3 years ago
3 0
Answer:
11+x^2/3

Explanation:
“Eleven more” means you add 11 somewhere in the expression.

11+

The “quotient” is the answer to a division problem, so “the quotient of a number squared and three” translates to the answer to a number squared divided by 3.

11+x^2/3

“A number” in the question would be x, because it’s the unknown value.

I hope this helps!
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Step-by-step explanation:

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Step-by-step explanation:

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Find the area and perimeter
Ivenika [448]

Answer: area = 379.7 mm²

Perimeter = 95.84 mm

Step-by-step explanation:

The composite shape contains a semi circle and a trapezoid.

The area of a semi circle is

1/2 × πr²

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Radius = 20/2 = 10 mm

Area = 1/2 × 3.14 × 10 = 15.7 mm²

Area of trapezoid is expressed as

1/2(a + b)h

Area = 1/2 × (20 + 32)14

Area = 1/2 × 52 × 14) = 364mm²

Area of the composite shape is

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Formula for determining the perimeter of the semicircle is

1/2 × πd

Perimeter = 1/2 × 3.14 × 20 = 31.4mm

Looking at the attached photo, we would determine the slant height,h, by applying Pythagorean theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

h² = 12² + 14² = 340

h = √340/= 18.44

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Svetlanka [38]
I think your answers are a b and c but I’m not exactly sure, sorryy:)
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