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2 years ago

Simplify (sin? 0 + cos² O) (sin 0 + cos O)

Mathematics

2 answers:

topjm [15]2 years ago

7 0

$(\sin^2 \theta + \cos^2 \theta)(\sin \theta + \cos \theta)\\\\=1 \cdot(\sin \theta + \cos \theta)\\\\=\sin \theta + \cos \theta$

KIM [24]2 years ago

5 0

Answer:

D: cos^3(O)

Step-by-step explanation:

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Circle A is tangent to circle B. True False

astraxan [27]

Answer:

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Step-by-step explanation:

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3 years ago

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Will a 9/32 inch diameter pin fit into a reamed hole with a diameter of 0.278 inch? (Do not round off your answer and express it

ollegr [7]

Answer:

9/32 inch diameter pin will not fit into a reamed hole with a diameter of 0.278 inch

Step-by-step explanation:

Diameter of reamed hole = 0.278 inch

Radius of reamed hole = $\frac{0.278}{2} =0.139$

Surface area of reamed hole = $\pi r^2$

Surface area of reamed hole = $3.14 \times (0.139)^2$

Surface area of reamed hole = 0.06066794

Diameter of pin = $\frac{9}{32}$

Radius of pin = $\frac{9}{64}$

Surface area of pin = $\pi r^2 = 3.14 \times ( \frac{9}{64})^2=0.0620$

Since the surface area of pin is more than the surface area of hole .

So, a 9/32 inch diameter pin will not fit into a reamed hole with a diameter of 0.278 inch

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3 years ago

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Answer:

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3 years ago

The following information is known about a loan.

Katyanochek1 [597]

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3 years ago

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SAT prep: Prove that 3x – 4 ( 5 – x ) is equivalent to 7x – 20

Alik [6]

3x -4 (5 - x) = 7x -20
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