I will Mark Brainlist!!! Help It's A Math Problem !!Determine the approximate value of x using basic trigonometry.

Thank you so much for your time !!! have good day!!!

Answer:

23/99

Step-by-step explanation:

I took the test and got it right.

Hope this helps!

Answer: Option 2

2.2 x 1.25 = 2.75

10-2.75=7.25

Do you mean Kay Flock? Because they are a rapper.

https://en.m.wikipedia.org/wiki/Kay_Flock

f (3) =  -2 is the output for the given input .

How can you tell whether a function is linear or not?

f(x)= (7/3)x- 9

Put x = 3    ⇒   7 * 3/3 - 9

                ⇒   7 - 9

                ⇒   -2

Therefore f (3) =  -2

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Answer:

B

Step-by-step explanation:

3/5 multiplied by itself 4 times is a fraction exponent so it’s either b or c.

But C is [tex]\frac{3^{4}}{5}[/tex]. 3/5 multiplied 4 times means the bottom has a exponent too so it’s not c.

The solution of the above equation 7 + b = 11(b - 3) is b = 4.

According to the given question.

We have a linear equation in one variable

7 + b = 11(b - 3)

Since, we have to solve the above equation for b.

As we know tha, the linear equations in one variable is an equation which is expressed in the form of ax+b = 0, where a and b are two integers, and x is a variable and has only one solution.

Thereofore, the solution of the above equation 7 + b = 11(b - 3) is given by

7 + b = 11(b - 3)

⇒7 + b = 11b - 33                       ( distributive property)

⇒ 7  = 11b - b - 33           (subtract b from both the sides)

⇒ 7 = 10b -33

⇒ 7 + 33 = 10b   ( adding 33 both the sides)

⇒ 40 = 10b

⇒ 40/10 = b    ( dividing by 10 both the sides)

⇒ 4 = b or b = 4

Therefore,  the solution of the above equation 7 + b = 11(b - 3) is b = 4.

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Step-by-step explanation:

Step 1: Draw any angle, say ∠ABC. Step 3: Now, taking D and E as centers and with the same radius as taken in the previous step, draw two arcs to intersect each other at F. Step 4: Join B to F and extend it as a ray. This ray BF is the required angle bisector of angle ABC.

The value of (k)/(h) from the graph of a line that goes through the origin is 4.

A line graph joins distinct data points that generally show quantitative values across an interval. Line graphs have two axes:

From the image attached below, the value of (h,k) as translated on the graph in the negative x and y axis shows that:

However, we are to determine the value of (k)/(h):

i.e.

(k)/(h) = -4/-1

(k)/(h) = 4

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Answer:

110

Step-by-step explanation:

if each of the 10 students have 10 cubes, that's 100, plus the 10 cubes Ms Smith has is 110

The quadratic expression is 64[tex]x^{4}[/tex] + 16x³ + 2.

The quadratic expression:

Any expression with the variables of the highest exponent or the expression's degree as 2 is a quadratic expression.

The given expression is 8x²2x( 1 + 4x) + 2

An expression of the form ax² + bx + c, where a ≠ 0 is called a quadratic expression.

8x²2x( 1 + 4x) + 2

Now apply the distributive property we have

8x² × 2x + 8x² × 2x × 4x + 2

16x³ + 64 [tex]x^{4}[/tex] + 2

64[tex]x^{4}[/tex] + 16x³ + 2

Therefore the quadratic expression is 64[tex]x^{4}[/tex] + 16x³ + 2.

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Answer:23

Step-by-step explanation:

because you add the two

The original value of the baseball in discuss according to the task content is; $0.45.

It follows from the word phrase given that; the current value of a baseball card is 80 times its original value v (in dollars) where the current value is; $36.

Therefore, we have; 36 = 80 × v

Divide both sides by 80;

Hence; v = 36/80 = $0.45.

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Answer:

correct

Step-by-step explanation:

So the acute angle between the vectors is 7.122° (3sf). Explanation: The angle θ between two vectors →A and →B is related to the modulus.

Answer:

Multiply 43 x 15%

Step-by-step explanation:

Answer will be 6.45. To doublecheck yourself multiply 43 x 85% which is 36.55. Add 36.55 to 6.45 = 43

[tex](\stackrel{x_1}{8}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{11}~,~\stackrel{y_2}{14})~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{14}-\stackrel{y1}{5}}}{\underset{run} {\underset{x_2}{11}-\underset{x_1}{8}}} \implies \cfrac{14 -5}{11 -8} \implies \cfrac{ 9 }{ 3 }\implies 3[/tex]

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{5}=\stackrel{m}{3}(x-\stackrel{x_1}{8}) \\\\\\ y-5=3x-24\implies y=3x-19[/tex]

Answer:

So to write this as an equation follow the steps:

1.First you take y delta divided by x delta. This means that you but in the coordinates, take them minus eachother then divided by eachother. Let me show you with maths for better understanding:

Now you have k in y=kx+m ( the equation has different letters depening on where you are from but I think you understand).

So know we just use simple algebra bu putting in the coordinates in the equation. So for this example im going to use the coordinates x= 8 and y=5

so we get:

Answer:

Give brainliest - the crown thingy.

2*2*2*2*5

Or

2^4 * 5

The * is the symbol on my keyboard for the multiplication symbol.

Step-by-step explanation:

Answer:

3 hours

Step-by-step explanation:

[tex]speed = \frac{distance}{time} \\ 60 = \frac{d}{t} \\ d = 60t \\ \\ speed = \frac{distance}{time} \\ 40 = \frac{d}{t + 1} \\ d = 40(t + 1)[/tex]

Since;

[tex]d = 60t \: \: \: and\\ d = 40(t + 1) \\ [/tex]

Therefore;

[tex]60t = 40(t + 1) \\ 60t = 40t + 40 \\ 60t - 40t = 40 \\ 20t = 40[/tex]

Divide both sides by 20

[tex] \frac{20t}{20} = \frac{40}{20} \\ t = 2 \: hours[/tex]

Since the return trip took an hour longer to get back home an hour will be added to the time

[tex]t + 1 = 2 + 1 \\ = 3 \: hours[/tex]

Time taken by people in 8rows of given tree with each time a person calls 2 people and it takes 1 min to call someone is 510 minutes.

As given,

Given tree: Person at the top calls 2 people. each person calls 2 more people

Time taken by each person to call someone=1minute

Row wise

First1 +1=2

Second2+2=4

Third4+4=8

Fourth8+8=16

Fifth16+16=32

Sixth32+32=64

Seventh64+64=128

Eighth128+128=256

Total time

2 +4+8+16+32+64 +128 +256=510 minutes

Therefore, time taken by people in 8rows of given tree with each time a person calls 2 people and it takes 1 min to call someone is 510 minutes.

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The equation in the vertex form will be y = (x + b/2a)² - b²/4a² + c/a and the equation in the standard form will be ax² + bx + c = 0.

The quadratic equation is given as ax² + bx + c = 0. Then the degree of the equation will be 2.

Convert the standard equation into a vertex form, then we have

x² + (b/a)x + (c/a) = 0

x² + (b/a)x + b²/4a² - b²/4a² + c/a = 0

(x + b/2a)² - b²/4a² + c/a = 0

Put h = - b/2a and k = - b²/4a² + c/a, where (h, k) be the vertex of the parabola. Then the equation will be

(x - h)² + k = 0

The function written in vertex form will be y = (x - h)² + k and in the standard form will be ax² + bx + c = 0.

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The missing item in the given geometric sequence is: [tex]\frac{4}{15}[/tex].

A geometric progression, sometimes referred to as a geometric sequence in mathematics, is a series of non-zero numbers where each term following the first is obtained by multiplying the preceding one by a constant, non-zero value known as the common ratio.

Given: [tex]\frac{2}{5}[/tex], ___, [tex]\frac{8}{45}[/tex]

Here, Let b = missing term of the geometric sequence.

By using the concept of geometric mean, we can find the missing term; geometric mean is used to find the mean, i.e., the middle term between two terms.

GM = [tex]\sqrt{(term_1)(term_2)}[/tex]

Here, b = [tex]\sqrt{\frac{2}{5}\times\frac{8}{45}}[/tex]

=> b = [tex]\sqrt{\frac{16}{25\times9}}[/tex]

=> b = [tex]\frac{4}{5\times3}=\frac{4}{15}[/tex]

Hence, The missing item in the given geometric sequence is: [tex]\frac{4}{15}[/tex].

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After evaluating the expression for x=0, the equation 13-6.5x = 13

⇒ 13-6.5(0)

⇒ 13 - 0

⇒ 13

To solve linear equations, utilize the steps that are provided below.

Lets take an example of solve z for 7z – (3z – 4) = 12

Here is no multiplication or division, so this will be easy to solve

⇒ 7z – (3z – 4) = 12

⇒ 7z – 3z + 4 = 12

⇒ 4z = 12 – 4

⇒ 4z = 8

⇒ z = 8/4

⇒ z = 2

See, that was so simple, using the mentioned methods, every linear equation can be solved easily.

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Because the line PQ is perpendicular to line ST, the slope of line ST is -1

The points are given as

P = (1, 4)

Q = (-2, 1)

Start by calculating the slope (m) of ST using

m = (y2 - y1)/(x2 - x1)

This gives

m = (1 - 4)/(-2 - 1)

Evaluate the difference

m = -3/-3

Evaluate the quotient

m = 1

From the question, we have

Line PQ is perpendicular to line ST

This means that

Slope of ST = -1/Slope of PQ

This gives

Slope of ST = -1/1

Evaluate

Slope of ST = -1

Hence, the slope of line ST is -1

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6 out of 36 or I in 6 is the probability that the outcome of at least two of the dice will be less than or equal to 4 .

In statistics, what does a probability mean?

There are 36 possible outcomes for rolling two dice.

There are six possible ways that the two dice will land on the same number, so the probability is 6 out of 36 or I in 6.

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The new function of T that models the real-world situation in terms of N is T = 560N + 750

The equations of the functions are given as

A = 165N + 750

B = 395N

From the question, we understand that

T = A + B

Substitute the known values in the above equation

So, we have

T = 165N + 750 + 395N

Collect the like terms in the above equation

So, we have

T = 165N + 395N + 750

Evaluate the like terms in the above equation

So, we have

T = 560N + 750

Hence, the new function of T that models the real-world situation in terms of N is T = 560N + 750

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The equation to represent the scenario is 3y - 38 = 10

Represent the given parameters as

x = Dominique

y = Roberto

From the question, we have

Dominique spent $38 less than 3 times what Roberto spent

This means that

x = 3y - 38

Also, Dominique spent $10

So, we have

3y - 38 = 10

Hence, the equation to represent the scenario is 3y - 38 = 10

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The Corollary 4.1 states that , the acute angles of a right triangles are complementary.

A corollary can be defined as a theorem that follows a direct result of an another theorem. With an original theorem, a corollary can be used as a reason to proof it. There are two main corollaries which follow directly from the Triangle Angle-Sum theorem. These are defined below :

Corollary 4.1

   It states that the " acute angles of the right triangle are always complementary".

   Abbreviation : Acute  ∠s of rt. Δ are comp.

Corollary 4.2

   It states that, "there is at most only one right angle or an obtuse angle in  triangle".

Given :  a triangle ABC, right angled at A

To Prove: ∠B and ∠C are complimentary

Proof :

   step 1 :   ∠A = 90°

   step 2:   According to angle-sum theorem

                 ∠A +  ∠B +  ∠C = 180

   step 3:   90 +  ∠B +  ∠C = 180

   step 4:   ∠B +  ∠C = 180 - 90

   step 5:   ∠B +  ∠C = 90

Thus, Corollary 4.1 is proved.

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The inequality expression x < 7 is equivalent to the given inequality expression {x | x < 7}

The inequality expression is given as

{x | x < 7}

When the braces are removed, the inequality expression becomes

x < 7

This means that x < 7 is equivalent to the given inequality expression {x | x < 7}

Next, we represent the inequality expression on a plot

See attachment for the graph of the inequality expression

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The wire left is 16 1/2 meters.

From the information 7/2 wire is cut from piece of wire that is 2 piece of 10 meters.

Therefore, the wire that will be left will be:

= (2 × 10) - 7/2

= 20 - 7/2

= 20 - 3 1/2

= 16 1/2 meter

The wire left is 16 1/2 meters.

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Hi! I'm just answering questions for points.