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astraxan [27]
3 years ago
14

If x + sin^2 theta + cos^2 theta = 4, then what is the value of x?

Mathematics
1 answer:
Ray Of Light [21]3 years ago
4 0

Answer:

x = 3

Step-by-step explanation:

x + sin^2  \theta + cos^2  \theta = 4 \\ x + 1 = 4 \\ ( \because \: sin^2  \theta + cos^2  \theta = 1) \\ x = 4 - 1 \\  x = 3

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3 years ago
Find the total area of the entire figure. *
bonufazy [111]

Answer:

392.5 in²

Step-by-step explanation:

This figure is consists of a trapezium and a rectangle.

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Let us find now.

<u>Area of the Trapezium</u>

Area = \frac{1}{2} × ( sum of the parallel sides ) × height

Area = \frac{1}{2} × (  9 + 20 ) × 5

Area = \frac{1}{2} × 29 × 5

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<u>Area of the rectangle</u>

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Area = 20 × 16

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<u>Total area of the figure</u>

Total area = Area of the trapezium + Area of the rectangle

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Total area = 392.5 in²

Hope this helps you :-)

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6 0
2 years ago
Jennifer bought 3 yards of fabric and a spool of thread for $28.10.
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3 years ago
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