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Zigmanuir [339]
3 years ago
10

What is the area of the object above? A. 90 sq cm B. 104 sq cm C. 140 sq cm D. 98 sq cm

Mathematics
1 answer:
xenn [34]3 years ago
4 0

Answer:

A. 90

Step-by-step explanation:

12 x 4 = 48

14 x 3 = 42

42 + 48 = 90

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The longest side of an isosceles right triangle measures 16m. What is the perimeter ofthe triangle?
Andreyy89

Answer:

In right triangle hypotenus(side facing angle 90)is the longest

Step-by-step explanation:

lets say hyp=side1 +side2 were(side1=side2 in isocseles..) and Let x bet the length of side 1

So by applying phythegoras theorem :

hyp^2=x^2+x^2

16^2 =2x^2

2x^2=256

x^2=128

\sqrt{x { }^{2} }  =  \sqrt{128}

x=

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Parameter=16+8

8 \sqrt{2 }  + 8 \sqrt{2 }  + 16

16 \sqrt{2}  + 16

7 0
2 years ago
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Step-by-step explanation:

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3 years ago
Find the surface area of the composite figure rounded to the nearest hundredths. Use the pi button.
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Answer:

To find the area of composite figures and use area of a circle to find the radius.  Estimate the radius of the circle with the given area.

Step-by-step explanation:

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6 0
3 years ago
A bag contains 9 marbles: 4 are green, 3 are red, and 2 are blue. Deshaun chooses a marble at random, and without putting it bac
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Step-by-step explanation:

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How do you express sin x + cos x in terms of sine only?
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Answer:

\sin x + \sqrt{1-\sin^2x}

Step-by-step explanation:

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We get rid of cos x from expression and write as sine form.

Expression: \sin x + \sqrt{1-\sin^2x}        \because \cos x=\sqrt{1-\sin^2x}

Hence, The final expression is only sine function.

4 0
3 years ago
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