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kozerog [31]
3 years ago
8

What is the measure of L in

Mathematics
1 answer:
kolezko [41]3 years ago
6 0

Use trigonometry to find L.

Tangent = opposite over adjacent on any right triangle.

tan(L) = 18/23

Take the inverse on both sides.

arctan(tan(L)) = arctan(18/23)

L = 38.0470425318

L = 38.05°

Done.

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Which is the best first step to write this in standard form?
goldenfox [79]

Answer:

<em>Set the function equal to 0</em>

Step-by-step explanation:

<u>Standard Form of the Quadratic Equation</u>

The form

ax^2+bx+c=0

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The equation is given in the form:

2(x-4)^2-3=8

And we need to operate the expression to make it look like a standard form. The first logical step should be to set the function equal to 0 and then start to operate the resulting expression. It can be done by subtracting 8 on both sides of the equation:

2(x-4)^2-3-8=0

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4 0
3 years ago
in 1990 there were about 5.4 billion people in the world. if the population has been growing at 1.95% per year, estimate the yea
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Answer:

2011

Step-by-step explanation:

Here is the formula.

A=P(1+r)^{n}

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P = Starting Value

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R = 0.0195

N = Time in Years

Solve for n.

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6 0
2 years ago
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Gala2k [10]

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Step-by-step explanation:

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3 years ago
Find the surface area of the cylinder formed by the net. Use 3.14 for π.
sineoko [7]

Answer:

138.16 square feet

Step-by-step explanation:

The surface area of the cylinder consists of one rectangle and two circles.

1. The radius of the circle is 4 ft, then the area of the circle is

A_{circle}=\pi r^2 =\pi \cdot 4^2 =16\pi \ ft^2

2. The width of the rectangle is 1.5 ft, the length of the rectangle is the circumference of the circle.

Find the circumference:

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Hence,

A_{rectangle}=1.5\cdot 8\pi =12\pi \ ft^2

3. The surface area of the cylinder is

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8 0
3 years ago
PLEASEEE HELP AND SHOW WORK​
Verdich [7]
I mean it should be 7 cause 2 angles are congruent.
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3 years ago
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