Given sin⁡θ=1/2 determine the value of sec θ. 0°<θ<90°

Given Choices

2/√3
√3/2
2
1

Answers

Answer 1

By applying the concepts of trigonometric functions and given that sin θ = 1/2 and 0° < θ < 90°, then the value of the secant of the given angle is \(\frac{2\sqrt{3}}{3}\). (Right choice: A)

How to determine the exact value of a given trigonometric function based on a known value

By trigonometry, we understand that the sine is defined by the following function:

\(\sin \theta = \frac{y}{\sqrt{x^{2}+y^{2}}}\)      (1)

Where:

y - Opposite legx - Adjacent leg

And the function secant is defined by:

\(\sec \theta = \frac{\sqrt{x^{2}+y^{2}}}{x}\)     (2)

If we know that x² + y² = 4 and y = 1, then we find that the secant is:

x² + 1 = 4

x² = 3

\(x = \sqrt{3}\)

Secant is postive for 0° < θ < 90°, thus:

\(\sec \theta = \frac{2}{\sqrt{3}} = \frac{2\sqrt{3}}{3}\)

By applying the concepts of trigonometric functions and given that sin θ = 1/2 and 0° < θ < 90°, then the value of the secant of the given angle is \(\frac{2\sqrt{3}}{3}\). (Right choice: A)

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Related Questions

Given f(x) = x² - 5x - 6 and g(x) =
x² - 6x, what are the domain restrictions
for (-)(x)?
A) x # +6
B) x = 0
C) x = 0,6
D) x = -2,6

Answers

The domain restrictions for (f/g)(x) are (c) x = 0, 6

How to determine the domain restrictions for (f/g)(x)?

From the question, we have the following parameters that can be used in our computation:

f(x) = x² - 5x - 6

g(x) = x² - 6x

The composite function (f/g)(x) is calculated as

(f/g)(x) = f(x)/g(x)

substitute the known values in the above equation, so, we have the following representation

(f/g)(x) = (x² - 5x - 6 )/(x² - 6x)

For the domain restriction, we have

x² - 6x = 0

When solved, we have

x =  6 or x = 0

Hence, the domain restrictions for (f/g)(x) are (c) x = 0, 6

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Question

Given f(x) = x² - 5x - 6 and g(x) = x² - 6x, what are the domain restrictions

for (f/g)(x)?

A) x = +6

B) x = 0

C) x = 0,6

D) x = -2,6

The line shows how much it costs to rent a moving van. What is the slope of the line?​

The line shows how much it costs to rent a moving van. What is the slope of the line?

Answers

to get the slope of any straight line, we only need two points off of it, let's use the ones in the picture below.

\((\stackrel{x_1}{8}~,~\stackrel{y_1}{25})\qquad (\stackrel{x_2}{24}~,~\stackrel{y_2}{35}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{35}-\stackrel{y1}{25}}}{\underset{run} {\underset{x_2}{24}-\underset{x_1}{8}}}\implies \cfrac{10}{16}\implies \cfrac{5}{8}\)

The line shows how much it costs to rent a moving van. What is the slope of the line?

Find the slope of the line going through the given pair of points.
(-4, 0) and (0, -3)

Answers

Answer:

Step-by-step explanation:

Slope = (difference of y-coordinates)/(difference of x-coordinates) = (0-(-3))/(-4-0) = 3/(-4) -3/4

Solve for length of segment c.
11 cm
10 cm
8.8 cm
c = [?] cm
If two segments intersect inside
or outside a circle: ab = cd

Solve for length of segment c.11 cm10 cm8.8 cmc = [?] cmIf two segments intersect insideor outside a

Answers

Answer:

c = 8

Step-by-step explanation:

Using the Intersecting Chords Theorem, we can form the following equation and solve for c:

\(ab=cd\\(10)(8.8)=11c\\88=11c\\c=8\)

Which expressions describe the end behaviors of the function, f(x)= (3.25)^x+6, modeled by the graph? An exponential curve on a coordinate plane with horizontal x axis ranging from negative 10 to 10 in increments of 1. The vertical y axis ranges from negative 4 to 14 in increments of 1. The curve begins infinitely close to the line y equals 6 in the second quadrant. The curve increases through begin ordered pair 0 comma 7 end ordered pair. The curve passes through begin ordered pair 1 comma 9.25 end ordered pair and exits the first quadrant.

Answers

The expression that describe the end behavior of the expression f(x)= (3.25)^x + 6 is The curve begins infinitely close to the line y equals 6 in the second quadrant.

What is end behavior as used in math?

The behavior of the graph of a function at its "ends" on the x-axis is referred to as the end behavior of a function, f.

For example, if we look at the right end of the x-axis (as x approaches + ∞) and the left end of the x-axis (as x approaches - ∞), the end behavior of a function explains the trend of the graph.

The graph of the function is attached and from the graph it shows that the graph continued to tend towards towards line y = 6

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Which expressions describe the end behaviors of the function, f(x)= (3.25)^x+6, modeled by the graph?

Condense into a single logarithm and simplify:
\(2\log _(10)x+\log _(10)5\)

Answers

Answer:

\(2\, \log_{10}(x) + \log_{10}(5) = \log_{10}(5\, x^{2})\).

Step-by-step explanation:

For any given base \(b > 0\), \(x > 0\), and \(y > 0\):

\(\log_{b}(x) + \log_{b}(y) = \log_{b}(x\, y)\).

For all real \(y\) (including both \(y > 0\) and \(y \le 0\),) as long as \(b > 0\), \(x > 0\):

\(y\, \log_{b}(x) = \log_{b}(x^{y})\).

Apply the second rule to rewrite \(2\, \log_{10}(x)\):

\(\begin{aligned}2\, \log_{10}(x) &= \log_{10}(x^{2})\end{aligned}\).

Apply the first rule:

\(\begin{aligned}\log_{10}(x^{2}) + \log_{10}(5) = \log_{10}(5\, x^{2})\end{aligned}\).

Overall:

\(\begin{aligned}& 2\, \log_{10}(x) + \log_{10}(5)\\ =\; & \log_{10}(x^{2}) + \log_{10}(5) \\ =\; & \log_{10}(5\, x^{2})\end{aligned}\).

What is the perimeter of the garden will be the circumference of the four semi-circles with a diameter equal to 14 m.

Answers

Do you have an image of the question for me to refer to?

What is 4N? I am very confused

What is 4N? I am very confused

Answers

Answer:

Step-by-step explanation:

What is the volume of the rectangular prism?
1/3ft

Answers

Answer:V=whl

Step-by-step explanation:

L=Length

W= Width

H= Height

I NEED YOUR HELP!! I'LL. GIVE YOU BRAINLIEST

I NEED YOUR HELP!! I'LL. GIVE YOU BRAINLIEST

Answers

Answer: ∠16 and ∠11

Step-by-step explanation:

      All of these answer options include ∠16, so we know we're looking for an angle that is corresponding to ∠16. A corresponding angle is an angle that is in the same relative position. We will look at ∠9, ∠11, ∠2, and ∠12 since those are the given answer options, and see which is corresponding.

The correct corresponding angles are ∠16 and ∠11.

I NEED YOUR HELP!! I'LL. GIVE YOU BRAINLIEST

Rewrite the parametric equations in Cartesian form: x(t)=4+t, y(t)=2sqrt(t).
y=?

Answers

Answer:

Both of these curves are equal to each other.

Step-by-step explanation:

We have

\(x(t) = 4 + t\)

and

\(y(t) = 2 \sqrt{t} \)

Solve for t in the x function

\(x = 4 + t \)

Subsitue this in for t.

\(y = 2 \sqrt{x - 4} \)

We get

a square root function shifted to right 4 units and stretched vertically by a factor of 2.

We can also prove this by graphing.

Rewrite the parametric equations in Cartesian form: x(t)=4+t, y(t)=2sqrt(t).y=?
Rewrite the parametric equations in Cartesian form: x(t)=4+t, y(t)=2sqrt(t).y=?

Find (f/g)(x). f(x)=/x^2-1 g(x)=/x-1

Find (f/g)(x). f(x)=/x^2-1 g(x)=/x-1

Answers

Answer:

\((\frac{f}{g})(x) = \sqrt{x + 1}\)

Step-by-step explanation:

Given

\(f(x) = \sqrt{x^2 - 1\)

\(g(x) =\sqrt{x - 1\)

Required

Find \((\frac{f}{g})(x)\)

\((\frac{f}{g})(x)\) is calculated as:

\((\frac{f}{g})(x) = \frac{f(x)}{g(x)}\)

This gives:

\((\frac{f}{g})(x) = \frac{\sqrt{x^2 - 1}}{\sqrt{x - 1}}\)

Apply difference of two squares on the numerator

\((\frac{f}{g})(x) = \frac{\sqrt{x - 1}*\sqrt{x + 1}}{\sqrt{x - 1}}\)

\((\frac{f}{g})(x) = \sqrt{x + 1}\)

Bill washes his mom's car once every 2 weeks and gets paid $20.00 each time. How much does he earn in 22 weeks?
$264.00
$240.00
$176.00
$220.00
Next
Reset

Answers

Answer:

Bill earns $220.00 in 22 weeks.

Step-by-step explanation:

If he is paid 20 dollars every 2 weeks for a car wash, we need to find out how many he gets for 22 weeks.

20 dollars = 2 weeks, to find 22, multiply both of the values by 11 to get to 22.

11(2 weeks = 20 dollars)

22 weeks = 220.

The amount of money earned in 22 weeks is $220.

Option D is the correct answer.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

The amount for each car wash = $20

Number of car wash in two weeks = 1

Now,

Number of car washes in 22 weeks.

= 22 / 2

= 11

Now,

The amount earned in 11 car washes.

= 11 x 20

= $220

Thus,

Amount earned in 22 weeks is $220.

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8+
3
z

=12 its z over 3 btw how do i show my work

Answers

8+z/3=12

8+4=12

12/3=4

z=12

In this picture B and F are
midpoints.
x=[ ? ]

In this picture B and F aremidpoints.x=[ ? ]

Answers

Answer: x = 10

see in the picture, ΔACE has:

+) BF//AE

+) B and F are  midpoints.

=> BF is the median line of the triangle ACE

=> BF = 1/2. AE

=> AE = 2BF

⇔ 5x - 4 = 2.23 = 46

⇔ 5x = 46 + 4 = 50

⇔ x = 50/5 = 10

Step-by-step explanation:

The geometric mean of 4 and 9

Answers

Answer:

The naswer is 6

Step-by-step explanation:

What is the mean 4,6,8,20,12

Answers

Answer:

the mean is 10

Step-by-step explanation:

4+6+8+20+12=50

50÷5=10

so the mean is 10

28. Which expression has a value that is greater than 42.537?
Explain as well please

28. Which expression has a value that is greater than 42.537?Explain as well please

Answers

Answer:

A

Step-by-step explanation:

40×10=40

2×1=2

5×1/10=0.5

2×1/100=0.09

3×1/1000=0.003

40+2+0.5+0.09+0.003=42.593

The expression (a) (4 * 10) + (2 * 1) + (5 * 1/10) + (9 * 1/100) + (3 * 1/1000) has a greater value

How to determine the expression greater than 42.537?

To determine the expression greater than 42.537, we simply solve the given options till we arrive at a solution.

For option A, we have:

(4 * 10) + (2 * 1) + (5 * 1/10) + (9 * 1/100) + (3 * 1/1000)

Evaluate the products

40 + 2 + 0.5 + 0.09 + 0.003

Evaluate the sum

42.593

By comparison,

42.593 is greater than 42.537

Hence, the expression (a) has a greater value

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Which choice correctly expresses the number below in scientific notation? 0.000611

D. 6.11 * 10 ^ - 5

C. 6.11 * 10 ^ - 3

OE. 6.11 * 10 ^ - 4

OF. 611 * 10 ^ - 6

B. 611 * 10 ^ - 4

A. 61.1 * 10 ^ - 5

0.000611

Which choice correctly expresses the number below in scientific notation? 0.000611D. 6.11 * 10 ^ - 5C.

Answers

The scientific notation of the given number is 6.11×10⁻⁴. Therefore, option E is the correct answer.

What is scientific notation?

Scientific notation is a method for expressing a given quantity as a number having significant digits necessary for a specified degree of accuracy, multiplied by 10 to the appropriate power such as 1.56×10⁷.

The given decimal number is 0.000611.

0.000611 in scientific notation, we get

6.11×10⁻⁴

Therefore, option E is the correct answer.

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Select the correct answer. What is the solution to this equation? ( 1 4 ) x + 1 = 32 A. 3 2 B. - 2 C. - 7 2 D.

Answers

Answer: 2.214285714, probably B maybe? I'm not sure what D is.

Step-by-step explanation: (14)x + 1 = 32.

Your goal here is to get the x by itself so that you will know how much it is worth.

First step I would take is to subtract 1 from both sides to get rid of the one on the side with the x. What you do on one side is what you must do on the other side.

Now you have (14)x = 31

Next step I would take is divide both sides by 14 so that you can finally get the x by itself.

Now you have 2.214285714, so I would choose whatever answer that is closest to.

What is the graph for if y is a function of x

Answers

Answer:

The y value of a point where a vertical line intersects a graph represents an output for that input x value. If we can draw any vertical line that intersects a graph more than once, then the graph does not define a function because that x value has more than one output.

What is the equation of line H? Give your answer in the form y = mx + c, where m and c are integers or fractions in their simplest forms. -8-7 -6 -5 -4 -3 -2 Y Line H 40- 35 30- 25 20 15 10 54 0 =5 10 -15 -20 -25- -30 -35- -40- 1 2 3 4 -S 5 6 7 -∞o 8​

Answers

The equation of line H in fully simplified slope-intercept form is y = 15x + 10.

How to determine an equation of this line?

In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical expression:

y - y₁ = m(x - x₁)

Where:

x and y represent the data points.m represent the slope.

First of all, we would find the slope of this line;

Slope (m) = (y₂ - y₁)/(x₂ - x₁)

Slope (m) = (40 - 10)/(2 - 0)

Slope (m) = 30/2

Slope (m) = 15.

At data point (0, 10) and a slope of 15, a linear equation for this line can be calculated by using the point-slope form as follows:

y - y₁ = m(x - x₁)

y - 10 = 15(x - 0)

y = 15x + 10

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

What is the equation of line H? Give your answer in the form y = mx + c, where m and c are integers or

a bag contains 4 red, 3 yellow, 3 blue, and 2 white marbles; a card is drawn from a well shuffled deck of 52 cards what; a card is drawn from a deck of 52 cards find the probability of drawing

Answers

The required probability of drawing a red marble from the bag and any specific card from the deck is 1/156.

There are 12 marbles in the bag, and 4 of them are red, so the probability of drawing a red marble is 4/12, or 1/3.

There are 52 cards in the deck, and the probability of drawing any specific card is 1/52.

This probability assumes that the events are independent, meaning that the outcome of one event does not affect the outcome of the other event.

In this case, drawing a marble from the bag and drawing a card from the deck are independent events, so their probabilities can be multiplied.

Therefore, the probability of drawing a red marble from the bag and any specific card from the deck is (1/3) x (1/52) = 1/156.

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Rectangle ABCDA has a perimeter of 54 Inches and a length that is twice the width. Which equation
A.54-2W
B.54=3w
C.54=5w
D.54-6w​

Answers

Answer:

54 = 6x

Step-by-step explanation:

Find the amount accumulated after
investing a principle P for t years at an
interest rate compounded k times per year.
P = $1,500 r = 7%
t=5 k= 4
Hint: A = P(1 +? /?)t
A = $[?]
Please someone help me

Find the amount accumulated afterinvesting a principle P for t years at aninterest rate compounded k

Answers

Answer:

A = $2122.17

Step-by-step explanation:

Before we start plugging everything in, we must convert the rate 7% to a decimal.  Thus r = 0.07 as 7/100 = 0.07.  Now we can plug in 1500 for P, 0.07 for r, 4 for k, and 5 for t in compound interest formula, then round to the nearest hundredth to find the amount, A:

A = 1500(1 + 0.07/4)^(4 * 5)

A = 1500(1.0175)^(20)

A = 2122.167294

A = 2122.17

Thus, the amount accumulated after investing $1500 for 5 years at an interest rate of 7% compounded 4 times per year is about $2122.17.

Please help thank you all so much

Please help thank you all so much

Answers

The domain of the composite functions:

a). (f + g)(-2) = 23

b). (f - g) (-2) = 1

c). f(x) - g(x) = x² - 5x - 13

What is composite function?

A function is composite when the co- domain of the first mapping is the domain of the second mapping

Given the functions f(x) = x² - 4x and g(x) = x + 13, we shall evaluate the domains of the functions as follows:

a). (f + g)(-2) = (-2)² - 4(-2) + (-2) + 13

(f + g)(-2) = 4 + 8 - 2 + 13

(f + g)(-2) = 23

b). (f - g) (-2) = (-2)² - 4(-2) - (-2) - 13

(f - g)(-2) = 4 + 8 + 2 - 13

(f - g) (-2) = 1

c). f(x) - g(x) = x² - 4x - x - 13

f(x) - g(x) = x² - 5x - 13

Therefore, the domain of the composite functions:

a). (f + g)(-2) = 23

b). (f - g) (-2) = 1

c). f(x) - g(x) = x² - 5x - 13

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(59-6) x (⅓) ³ + 27 ÷ 3 =

8² ÷ 4 x (2 + 3) -9 =​

Answers

Answer:

(59-6) × \(\sf{(\frac{1}{3})}^{3}\) + 27 ÷ 3

=53 × \(\sf\frac{{1}^{3}}{{3}^{3}}\) + 3³ ÷ 3

=53 × \(\sf\frac{1}{27}\) + \(\sf{3}^{3-1}\)

=\(\sf\frac{53\times1}{27}\) + \(\sf{3}^{2}\)

=\(\sf\frac{53}{27}\) + 9

=9 + \(\sf\frac{53}{27}\) + 9

=\(\sf\frac{9\times27+53}{27}\)

=\(\sf\frac{243+53}{27}\)

=\(\sf\frac{296}{27}\)

=\(\sf\frac{270}{27}+\frac{26}{27}\)

=\(\sf10+\frac{26}{27}\)

=\(\sf10\frac{26}{27}\)

\(\sf\:\)

8² ÷ 4 × (2 + 3) - 9

=(8×8) ÷ 4 × 5 - 9

=64 ÷ 4 × 5 - 9

=4³ ÷ 4 × 5 - 9

=\(\sf{4}^{3-1}\) × 5 - 9

=4² × 5 - 9

=(4×4) × 5 - 9

=16 × 5 - 9

=80 - 9

=71

The number of traffic accidents that occur on a particular stretch of road during a month follows a Poisson distribution with a mean of 7. Find the probability of observing exactly three accidents on this stretch of road next month.
Select one:
A. 18.147387
B. 2.846161
C. 0.332381
D. 0.052129

Answers

Answer:

D

Step-by-step explanation:

hhgxhsbjxkxjebdibfhejx

This is difficult for me anyone know ?

This is difficult for me anyone know ?

Answers

they are similar figures

A natural number is____a rational number.

A. Never
B. Sometimes
C. Always​

Answers

Answer:

Always

Step-by-step explanation:

We know that,

As every natural number n be represented in a rational form: n/1, any natural number can be represented in the form p/q, where q≠0. Hence, all natural numbers are rational numbers.

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