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motikmotik
3 years ago
13

Find the perimeter and area of the polygon shown below. 8ft 15 ft 17ft 16 ft

Mathematics
1 answer:
BabaBlast [244]3 years ago
3 0
The Perimeter is 87 ft and the Area is 360 ft. :3
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Which of the following number sentences is an example of the associative property of multiplication?
sertanlavr [38]

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Option C and D are examples of associative property of multiplication.

Option A is examples of commutative property of multiplication.

Option B is normal multiplication.

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3 years ago
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AB is Tangent to circle O at B. if AB = 7 and AO = 17.4, what is the length of radius r to the nearest tenth?
irakobra [83]
The angle the radius makes with AB is a right angle, so the Pythagorean theorem applies.
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The length of radius r is about 15.9.
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3 years ago
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Please help in math I give lots of points.
disa [49]

\text{Put the value of x to the expression}\\\\\sqrt{x+3};\ x=15\\\\\sqrt{15+3}=\sqrt{18}=\sqrt{9\cdot2}=\sqrt9\cdot\sqrt2=\boxed{3\sqrt2}


\text{Put the value of x to the expression}\\\\\dfrac{6}{\sqrt{x}},\ x=3\\\\\dfrac{6}{\sqrt3}=\dfrac{6\cdot\sqrt3}{\sqrt3\cdot\sqrt3}=\dfrac{6\sqrt3}{3}=\boxed{2\sqrt3}


\text{Put the value of x to the expression}\\\\4\sqrt{x+1}-3\sqrt{2x+6},\ x=3\\\\4\sqrt{3+1}-3\sqrt{2(3)+6}=4\sqrt4-3\sqrt{6+6}=4(2)-3\sqrt{12}\\\\=8-3\sqrt{4\cdot3}=8-3\sqrt4\cdot\sqrt3=8-3(2)\cdot\sqrt3=\boxed{8-6\sqrt3}

8 0
3 years ago
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Liula [17]

Answer:

A, 0.5(x)(x+2)=24, D, x²+2x-48=0, and E, x²+(x+2)²=100

Step-by-step explanation:

A and D are correct because they simply involve the Area of a Triangle formula. A has the formula in the same format, but D has the 0.5 divided from by both sides.

E, on the other hand, uses the Pythagorean theorem to solve for both legs.

5 0
3 years ago
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