how do you write 2x simplified?

Answers

Answer 1

Answer:

Simplify the numerator with the sine expression by taking A = B = x and simplify the denominator using A = x and B = 2x. The resulting denominator will have sin (2x) and cos (2x) which you can write in terms of sin (x) and cos (x) using the expressions above.

Step-by-step explanation:


Related Questions

What are equivalent fractions for 1/3?

Answers

Answer:

Its 3/6

Step-by-step explanation:

Answer:

one eqwivelent fraction that is = to 1/3 is 2/6 if u need more just comment and i will responed back

Step-by-step explanation:

Use differences to find a pattern in the sequence.
9, 16, 29, 50, 81, 124, 181
Assuming that the pattern continues, the eighth term should be

Answers

The 8th term of the pattern is 254.

Here the sequence is 9, 16, 29, 50, 81, 124, 181

By using differences we have :

 9,    16      29      50      81      124     181

  |___|  |___| |___|  |___|  |___|  |____|

    ↓         ↓       ↓        ↓         ↓        ↓

   +7      +13     +21     +31      +43    +57

     |____|  |___|  |___|  |____|  |____|

         ↓         ↓         ↓        ↓          ↓

        +6        +8      +10      +12      +14

           |____|  |____|  |___|  |_____|

                ↓          ↓         ↓          ↓

               +2        +2       +2        +2

Therefore to find the 8th value of the pattern

We will add 2 in 14

14 + 2 = 16

Now 16 should be added to 57

57 + 16 = 73

Now we will add 73 to the 181 we get

181 + 73 = 254

Therefore the 8th term of the pattern is 254 by using the difference.

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14 - {7 + 4 x 3 - [(-2)²x 2 - 6]} + (2² + 6 - 5 x 3) + 3 - (5 - 2³ : 2) =

Answers

Answer:

(2x²-7)

Step-by-step explanation:

14 −1 (19 − 4x²+6) + (2² +6 - 14-1 (25-4x²) + (2² +6 −5.

Help me please :) please

Answers

A ) is the answer your welcome

First we convert into slope-intercept form | y = mx + b

[tex]-3y=-3-x[/tex]

Move x to another side and subtract. (Whenever you move to another side, the sign/operator will be opposite. From plus to minus and from multiply to divide.)

Then move -3 to divide (-3-x)

[tex]y=\frac{-3-x}{-3}[/tex]

Separate - [tex]y=\frac{-3}{-3}-\frac{x}{-3}[/tex]

| Negative dividing Negative equal positive |

[tex]y=\frac{3}{3}-(-\frac{x}{3})[/tex]   | When the denominator is negative, we can pull out from the denominator and convert into the middle of fraction. |

| Negative multiplying Negative equal positive |

[tex]y=1+\frac{x}{3}[/tex]

This is not fully slope-intercept form yet. We swap the position of 1 and x/3

[tex]y=\frac{x}{3}+1[/tex]

There we go. The slope-intercept form.

Now our job is to find the x-intercept and y-intercept. First, know what m and b represents in the equation y = mx + b first.

From y = mx + b | m represents slope | b represents the y-intercept. |

Our equation is [tex]y=\frac{x}{3}+1[/tex]

Our m or slope is 1/3 and our y-intercept is 1. So we don't need to find the y-intercept because we've already found it.

Now move to finding x-intercept.

Substitute y as we get -

[tex]0=\frac{x}{3}+1[/tex]

Now whenever there is a denominator, multiply the whole equation by the denominator itself. As our denominator in this equation is 3, so we multiply all whole equation by 3.

[tex]0(3)=\frac{x}{3}(3)+1(3)\\0=x+3 \\x=-3[/tex]

Our x-intercept is x = -3 and y-intercept is y = 1.

Check the graph out. Our answers can be only A and B considering the slope is positive. C and D choices have negative slope (m < 0).

However, the value of slope also affects the graph. If the slope has a lot of value, then the graph will head to y-axis.

But if the slope has a little value then the graph will head to x-axis instead.

After all, when converting to the slope-intercept form. We don't need to find the x-intercept right away, just one glance at the graph along with the equation and we are able to answer it.

Thus, the answer is B choice.

I know it is a long, boring explanation. But providing a quality answer is what I'm trying to do. I may not be able to explain that good or whatever. But with an explanation, I hope it will benefit you someday, after all. An explanation can help you in a test. Thanks for reading and I hope this helps you.

I need help with this​

Answers

Answer:

90 degrees

Step-by-step explanation:

Hope thishelps.   :)      :D

19,432÷x=48 Remainder 232 (Plz help its for my hw that's due tmrw)

Answers

Answer:

x = 404.83

Step-by-step explanation:

The given expression is :

19,432÷x=48 ...(1)

We need to find the value of x.

[tex]\dfrac{19,432}{x}=48[/tex]

Cross multiplying both sides,

[tex]19,432=48x[/tex]

Dividing both sides by 48

[tex]\dfrac{19,432}{48}=x\\\\x=404.83[/tex]

So, the value of x is 404.83.

Answer:

x = 400

Step-by-step explanation:

To find x, you first need to subtract the remainder from 19,432.

That equals 19,200. Then you need to do 19,200 divided by 48.

x = 400

Hope this helps! :)

The measures of the angles of a quadrilateral are 3:8:7:2 find the measure of each angle

Answers

Answer:

Angle 1=  54°

Angle 2= 144°

Angle 3 = 126°

Angle 4 = 36°

Step-by-step explanation:

We are given measures of the angles of a quadrilateral are 3:8:7:2

Let the common ratio = x

The angles will be:

Angle 1= 3x,

Angle 2= 8x,

Angle 3 =7x

Angle 4 =2x

We know that sum of all angles of quadrilateral = 360°

We can write as: [tex]3x+8x+7x+2x=360[/tex]

Solving to find x,

[tex]3x+8x+7x+2x=360\\20x=360\\x=\frac{360}{20}\\x=18[/tex]

We get value of x = 18

Now, finding angles:

Angle 1= 3x = 3(18) = 54°

Angle 2= 8x = 8(18) = 144°

Angle 3 =7x = 7(18) = 126°

Angle 4 =2x = 2(18) = 36°

HURRY PLEASE 6TH GRADE MATH HERE. A football field is 100 yards in length. How many inches long is a football field? 300 inches 360 inches 3,000 inches 3,600 inches



answer: 3600

Answers

Answer:

3,600

Step-by-step explanation:

1 yard= 36 inches

36 inches*100= 3,600

__________________________________________________________

Brainliest? I am trying to get to a new rank so I can help more people and I would totally appreciate it if you did!

Merry Christmas!

Answer:

3600

Step-by-step explanation:

estimate first..Then fi d the exact quotient 4.9÷7=?​

Answers

Your answer is 0.7. In Alternative Form it is 7/10: 7x10.

Answer:

0.7

Step-by-step

49 divided by 7 = 7

Since there is a decimal add a 0 in front of the 7. (0.7)

this 2 step equation is a pain -8×+4=-52​

Answers

Answer:

6

Step-by-step explanation:

4-52=48

48÷8=6

this is correct :)

Answer:

x=7

Step-by-step explanation:

-8x+4=-52

First remove the four by subtracting 4 from -52

-8x= -56

Then, you would want the variable (x) by itself, so you divide by -8 (Dividing a negative by a negative makes a positive)

x=7

To confirm this answer is right, plug in 7 as the variable and make sure you get -52

(-8*7)+4= (-52)

PLEASE PLEASE HELP

simplify:
tan²a (2 cos²a + sin²a − 1)

Answers

Answer:

we can describe this by using the formulas of Trigonometric functions..........Thank u.....

Fill in the table for side length and area of different squares.

Answers

Answer:

a) 9

b) 10,000

c) 625

d) [tex]s^2[/tex]

Step-by-step explanation:

[tex]We\ know\ that\ Area\ of\ a\ square\ with\ side\ n=n^2\\a) 3^2 =3*3=9\\b)100^2=100*100=10,000\\c)25^2=25*25=625\\d) s^2=s^2[/tex]

You draw three cards from a deck of 52 cards, replacing the drawn card and re-shuffling the deck between each draw. What is the probability that you will draw a spade at least once? The answer is approximated.

42%

18%

58%

83%

Answers

Answer:

42%

Step-by-step explanation:

just makes sence I think

At the grocery store, 3 pints of ice cream cost $5.70. How much would 20 pints of ice cream cost?

Answers

Answer:

114

Step-by-step explanation:

5.70  TIMES 20 = 114.

$38



5.70/3 = $1.9 per pint

1.9 x 20= $38

Please solve
2b+ 1/2a(b-2/3)-4ab
Show all your steps please!

Answers

Answer: Distribute:

=2b+(

1

2

a)(b)+(

1

2

a)(

−2

3

)+−4ab

=2b+

1

2

ab+

−1

3

a+−4ab

Combine Like Terms:

=2b+

1

2

ab+

−1

3

a+−4ab

=(

1

2

ab+−4ab)+(

−1

3

a)+(2b)

=

−7

2

ab+

−1

3

a+2b

Answer:

=

−7

2

ab+

−1

3

a+2b

Step-by-step explanation: done


Q7: Express each of the following:
a) 4.5m2 in cm2

Answers

1m2 = 10000cm2

4.5m2 = 25000cm2

(5n²+7)+(-2n-4). Add

Answers

Answer:

Step-by-step explanation: Refer to attachment.

Which complex number has a distance of StartRoot 17 EndRoot from the origin on the complex plane?
2 + 15i
17 + i
20 – 3i
4 – i

Answers

Answer:

4 - i

Step-by-step explanation:

Intuitively, the answer will be 4 - i, as the other numbers are too big to have a square as small as 17i.  Also, we know that  i will not be in the end result, which means that we should have a negative in the result as well.

To test this, we can simply treat 4 and -i as the sides of a right triangle and find the hypotenuse:

[tex]d = \sqrt{4^2 + (-i)^2} \\d = \sqrt{16 + 1}\\d = \sqrt{17}[/tex]

So indeed the answer is 4 - i

Answer:

d) 4-i

Step-by-step explanation:

on edge

Subtract the following polynomials. Write answer in a-b-c-d order. From 4a+7b-12c subtract 8a-9b+12d

Answers

[tex](4a+7b-12c)-(8a-9b+12d)\\4a+7b-12c-8a+9b-12d[/tex]

Negative multiply negative = Positive

Negative multiply positive = negative

[tex]-8a+4a+9b+7b-12c-12d\\-4a+16b-12c-12d[/tex]

Thus the answer is -4a + 16b - 12c - 12d.

anwar built with an area 256 square feet. he wants to build a railing on three aides of the deck what is rhe total length of the railing he needs ?

Answers

Answer:

48ft

Step-by-step explanation:

Help lads and thank yooooooooooooouuuuu

Answers

Answer:

12 weeks.

Step-by-step explanation:

On the twelfth week they will both have saved $160.

hope this helps.

Solve the formula for the specified variable

Answers

The variable k can be expressed as follows:

k = 2D / f

How to find the variable in an expression?

A variable is a number represented by a letter in an equation or expression.

The variables in the given equation are D, f and k.

But we were asked to make the variable k the subject of the formula.

Therefore,

D = 1 / 2 f k

cross multiply

f k = 2D

divide both sides by f

Hence,

f k / f = 2D / f

k = 2D / f

Therefore, the variable k can be expressed as follows:

k = 2D / f

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Gasoline costs 1.05 euro per liter in France. What is the price in dollars per​ gallon?

Answers

The price in dollars per gallon is 4.02 dollars per gallons.

How to find the price of gasoline in dollars per gallon?

Gasoline costs 1.05 euro per litre in France.

The first thing to do is to determine the equivalent amount of the same litre in dollar while in France.

Then, equate it the quantity of litres to gallons.

Hence,

1 euro = 1.01 dollars

1.05 euro = ?

cross multiply

price  = 1.05 × 1.01

price = 1.0605 dollars

1 litres = 0.264172 gallons

Therefore,

cost =  1.0605 /  0.264172

cost  = 4.01552442257 dollars per gallons

cost  = 4.02 dollars per gallons

Therefore, the price in dollars per gallon is 4.02 dollars per gallons.

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Worldwide, the proportion of babies who are boys is about 0.51 . Let the random variable X represent the number of boys in five children. Find the mean and standard deviation of this random variable.

Answers

Answer:

mean = 2.55

Standard deviation = 1.118

Step-by-step explanation:

Probability of babies who are boys

P = 0.51

Then we have q = 1-p

= 1-0.51

= 0.49

We have n = 5

We calculate the mean as:

np

= 0.51x5

= 2.55

Therefore mean = 2.55

The standard deviation

= √variance

= √npq

= √0.51x5x0.49

=√1.2495

= 1.118

PLEASE HELP I WILL GIVE BRAINLIST PLEASE

Answers

Answer: D: 4.5

Step-by-step explanation:

So the Equation I used for this would be

6(2x+3) = 3(6x-3)

In Which the left is the Hexagon (The 6 is for the 6 Sides) and the right of the equation is the triangle (given the 3 for the 3 sides. In order to solve, we need to solve for x. Distribute the equation and your left with

12x+18=18x-9

-12x            +9

27=6x

Divide to get X by itself

and your left with

4.5 = x

Hope it helped.

What is the value of x in the equation? 6(x +1) -5x = 8 + 2(x - 1) *

Answers

Answer:

x = 0

Step-by-step explanation:

6 ( x + 1 ) - 5x = 8 + 2 ( x - 1 )

6x + 6 - 5x = 8 + 2x - 2

-x = 0

x = 0

Answer:

x = 0

Step-by-step explanation:

First distribute both sides to simplify the equation

6(x +1) -5x = 8 + 2(x - 1)    =

6x + 6 - 5x = 8 + 2x - 2

Combine like terms

x + 6 = 6 + 2x

Subtract x from both sides

6 = 6 + x

Subtract 6 from both sides

0 = x

For which value of a will the equation 3x – 2 = 3x – a have an infinite number of solutions?
A.2
B.3
C.4
D.5

Answers

Answer:

A.2

Step-by-step explanation:

for it to have infinite solutions, the equations need to be identical so you have a 3x and a 2 would be put for a to make 3x-2 since the other side is 3x-2

what are the possible values of x for the following functions? f(x)=2-x/x(x-1)

Answers

The possible values of x for the following functions are values on real number except 0 and 1

Domain of a function

The domain of a function are the values of the independent variable for which it exists.

Given the function below

f(x)=2-x/x(x-1)

The function does not exist at the. point where the denominator is zero. From the function given, the function does not exist when;

x(x -1) = 0

x = 0 and x = 1

Hence the possible values of x for the following functions are values on real number except 0 and 1

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Find the value of X for which log X, log (X+2) and log (X+16) are three consecutive terms of an arithmetic series.​

Answers

Answer:

x=-2

Step-by-step explanation:

log x, log (x+2) , log (x+16) are in A.P.

2log (x+2)=log (x+2) +log (x+16)

log (x+2)²=log [(x+2)(x+16)]

(x+2)²=(x+2)(x+16)

x²+4x+4=x²+2x+16x+32

4x-18x=32-4

-14x=28

x=28/(-14)=-2

What is the image of the point (-2,4)(−2,4) after a rotation of 270^{\circ}270

counterclockwise about the origin?

Answers

(4, 2) is the point after 270° rotation of point (-2,4)

WHAT IS IMAGE OF A SPECIFIC POINT IN GRAPH OF MATHEMATICS ?

Tradition holds that the reflection of point P across the line, denoted by the word P', is the "image" of point P. (pronounced "P prime"). Next to the aforementioned illustration, click "show distances." It is evident that the point P', which is the image of P, is by necessity on the same side of the line as P.

CALCULATION

To find the image of a specific point after rotation of the point about its origin we will use the formula (y,-x)

so applying this formula we get the co-ordinates (4,2).

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