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ehidna [41]
3 years ago
15

Please help ASAP please!!!

Mathematics
1 answer:
Dmitrij [34]3 years ago
8 0

Answer:

75in^2

Step-by-step explanation:

5×5×4/2=50

5×5=25

50+25=75

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Yes

Step-by-step explanation:

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Find all values of in the interval [0, 2π] that satisfy the equation. Enter your answers from smallest to largest. (Enter NONE i
Mrrafil [7]

Answer:

<h3><em>π/4 and 3π/4</em></h3>

Step-by-step explanation:

Given the equation 2\sin^2(x) = 1 \\, we are to find all the values of x in the interval  [0, 2π] that satisfies the equation.

Simplifying the equation:

2\sin^2(x) = 1 \\\\sin^2x = \frac{1}{2} \\\\

Square both sides of the equation;

\sqrt{sin^2x } = \sqrt{\frac{1}{2} } \\\\sin(x) = \sqrt{0.5}\\ \\sin(x) = 0.7071\\\\x = sin^{-1}0.7071\\\\x \approx 45^0

The general formula for sin(x)  is x = nπ + (-1)ⁿ∝ where n = 0, 1, 2, 3...

Since ∝ = 45° = π/4.

x = nπ + (-1)ⁿπ/4

when n = 1

x = π + (-1)¹π/4

x =  π - π/4

x = 3π/4

<em>Hence the values of x within the given interval are π/4 and 3π/4</em>

5 0
4 years ago
If the perimeter of a sector is 6 times its radius, what is the central angle of the sector?
Varvara68 [4.7K]

Step-by-step explanation:

1/pi, hope you have a good day

5 0
3 years ago
Read 2 more answers
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