PLS help!!! PLS help!!! PLS help!!!

PLS Help!!! PLS Help!!! PLS Help!!!

Answers

Answer 1

Answer:

c. sin 8x + sin 2x

Step-by-step explanation:

1. Convert the product into sum or differences: 2 sin 5x cos 3x

Solution:

2 sin 5x cos 3x = sin (5x + 3x) + sin (5x -3x), [Since 2 sin A cos B = sin (A + B) + sin (A - B)]

= sin 8x + sin 2x


Related Questions

Alan has read ​10% of a book. He has 81 more pages to finish. How many pages are there in the​ book?

Answers

Answer:

90

Step-by-step explanation:

100%-10%=90%

90%->81

10%->9

100%->9+81=90

e) 6x-(3x+2)=1 how much is the x​

Answers

Answer:

1

Step-by-step explanation:

6x - ( 3x + 2) = 1

6x - 3x - 2 = 1

3x = 1 + 2

3x = 3

x = 3 / 3

x = 1

Hope it will help :)

Answer:

x=1

Step-by-step explanation:

A line is parallel to y = 3x + 5 and
intersects the point (-2, 6). What is
the equation of this parallel line?
Start by entering this into point-slope form.
y- [?] = [](x
](x-[]).

Answers

Answer:

Im not like 100% sure but i think you answer is

y-6=3[x-(-2)]

y=6+3x+6

y=3x+12

And i believe that this is parallel to y

Answer:

y = 3x + 12

Step-by-step explanation:

Parallel lines have same slope

Given line

y = 3x + 5

The line that passes through (-2, 6) and with the slope of 3 is:

y - y₁ = m(x - x₁)y - 6 = 3(x - (-2))y - 6 = 3(x + 2)

Convert the equation into slope-intercept form:

y - 6 = 3x + 6y = 3x + 6 + 6y = 3x + 12

What is the length of the hypotenuse with
the given vertex (-5,0)?
I

Answers

Answer:

5000 square ft

Step-by-step explanation:

PLZ HELP IM TRASH AT MATH

Answers

Answer:

C should be the answer.

Step-by-step explanation:

Square root of 50 is equal is 7.071.

7.071 is right in between 7 and 8, making it the right answer for C.

Answer:

C??

Step-by-step explanation:

I mean if you put it in the calculator, then you get 7.07 so... lemme know if im wrong :D

ANSWER ASAP!!! PLS HELP.
u can only use these for 15, 16 & 17:
acute equilateral ,
obtuse scalene , right scalene , acute isosceles

Answers

Step-by-step explanation:

15 . It is an acute equilateral triangle.

16. It is an obtuse scalene triangle.

17. It is right scalene triangle.

Hope it will help :)

Fill in the blank:

I’m diamond, you know I glow up,
Hey, so let’s go
_______________

Answers

Answer:

cause imm in the stars tonight

Step-by-step explanation:

cause I I I'm in the Stars tonight

Denise rode 3 kilometers on a bike. her friend clark rode 5000 meters on a bike

how much farther in meters did one person ride than the other?

Answers

[tex] \huge \purple{\tt{Answer:}} [/tex]

Denise rode 3 kilometres .

Clark rode 5000 metres which is 5 kilometres .

So , Clark rode 2 kilometres more than Denise .

Answer:

Step-by-step explanation:

1 km = 1000m

3km = 3000m

So difference = 5000 - 3000 = 2000m = 2km

Clark rode 2km more than denis

Helpppp!!!!
Work out the size of angle x.

Answers

answer is 118°

hope that helped

118 = x
360-295 = 65
180-65=115
115+127 = 242
360 - 242 = 118

I need help with this math problem!! i'll give brainilist to the correct answer :)

Answers

Answer:

Blank 1: x

Blank 2: 1.5

Step-by-step explanation:

blank 1 xblank 2 1.5

#thanks for the points!

#Chloe919

#carry on learning

solve each system by substitution
y=-2x + 7
y = 3x - 13

Answers

Answer:

y = -1, x =4

Step-by-step explanation:

3x-`13=-2x+7

x = 4

y=3(4)-13

y = -1

Basil was shown this enlargement, and he was asked to find the perimeter of the enlarged shape. His work is shown below.

Answers

The question is incomplete. The complete question is :

Basil was shown this enlargement, and he was asked to find the perimeter of the enlarged shape. His work is shown below.

Where, if any, did Basil first make a mistake in his work?

Solution :

Not -- Basil did not make any mistakes in his work. He found out the perimeter of an enlarged shape.

Perimeter is the total measure of the outer lining or the total outer length of the body or the shape. For different shapes, the perimeters will be different. Basil measure the outer length of the body and found out the perimeter.  

Answer:

C

Step-by-step explanation:

Bettina bought 8 pairs of socks for $23.20. Nancy bought 10 pairs of socks for $30.00. Nancy says that she paid less per pairs of socks than Bettina. Is Nancy correct

Answers

Answer: yes, Nanay did´t buy more pairs of socks, she had bayed more. I hop that this is helpful.

check whether the given value is a solution to the equation. 3(y+8)=2y
- 6 y=30​

Answers

Answer:

y = 03

Step-by-step explanation:

3(y+8) = 30

3y+24=30

3y=06

y = 06/2

y = 03

2y - 6y = 30

-4y = 30

y = - 15/2

A new car is purchased for 24600 dollars. The value of the car depreciates at 5.5% per year. To the nearest year, how long will it be until the value of the car is 11300 dollars?

Answers

Answer:

The number of years until the value of the car is 11300 dollars is 9 years.

Step-by-step explanation:

This can be calculated using the following formula:

Value of the Car = Purchase cost - (Annual depreciation expenses * N) ........ (1)

Where;

N = Number of years until the value of the car is 11300 dollars

Purchase cost = $24,600

Annual depreciation rate = 5.5%

Annual depreciation expenses = $24,600 * 5.5% = $1,353

Value of the car = $11,300

Substituting the value into equation (1) and solve for N, we have:

$11,300 = $24,000 - ($1,353 * N)

$1,353 * N = $24,000 - $11,300

$1,353 * N = $12,700

N = $12,700 / $1,353

N = 9.38654841093865

Rounding to the nearest year as required by the question, we have:

N = 9

Therefore, the number of years until the value of the car is 11300 dollars is 9 years.

Step-by-step explanation:

Cube of a binomial (a - b) ​

Answers

Answer:

(a - b)³ = a³ - 3a²b  + 3ab² - b³

Step-by-step explanation:

Cube of a binomial (a - b) ​

(a - b)³ = a³ - 3a²b  + 3ab² - b³

please help me!!!!!!!!111

Answers

The answer is A. Divide the amount of almonds by the servings. KFC (keep, change, flip) it, to get your answer. Hope it helps!

anyone know how to do this

Answers

y=-x-8 is the answer

2n^2 + 3n-1
find the 10th term

Answers

Answer:

229

Step-by-step explanation:

t10= 2×10^2+3×10-1

=2×100+30-1

=200+29

=229

Answer:

229

Step-by-step explanation:

[tex]2n^{2} + 3n -1\\[/tex]

[tex]2 (10^{2} ) + 3(10) -1[/tex]

[tex]200 + 29 = 229[/tex]

what is 7.25-6.17=? in subtracting decimals

Answers

Answer:

1.08

Step-by-step explanation:

What is the value of x2+9x+20 when x could be -5, -3 or -6

Answers

Answer:

Step-by-step explanation:

You should use a ^ to indicate an exponent. x^2 is the same as x².

x² + 9x + 20

Replace the x with (-5).

(-5)² + 9(-5) + 20 = 25-45+20 = 0

Then do the same with x = (-3):

(-3)² + 9(-3) + 20 = 9 - 27 + 20 = 2

You can do x = (-6)

Madeline is going to invest in an account paying an interest rate of 4.4% compounded
annually. How much would Madeline need to invest, to the nearest ten dollars, for
the value of the account to reach $16,600 in 12 years?

Answers

Answer:

$9540

Step-by-step explanation:

A = P(1 + r)^t

16600 = P(1.044)^12

P = 16600/(1.044)^12

P = $9,543.64

can you create a equation for this

Answers

Answer:

it's y = 2x

Step-by-step explanation:

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the amusement park charges $20 to get in plus $1.50 per ride which linear equation represents this relationship y=1.5+20x,y=21.5x,y=1.5x+20,y=20x+1.5​

Answers

Step-by-step explanation:

1.50 per ride tones X number of rides plus a 20 entrance fee

y= 1.5x + 20

Write the slope-intercept form of the equation of the line described.
through: (-4, -4), perpendicular to y= -4x-5
PLS SHOW WORK

Answers

Answer:

(4-4 = 0) - (4x5 =20) xDDddd

Answer:

[tex]y = \frac{1}{4} x - 3[/tex]

Step-by-step explanation:

Slope-intercept form:

y= mx +c, where m is the gradient and c is the y-intercept.

The product of the gradients of perpendicular lines is -1.

-4m= -1

m= -1 ÷(-4)

m= ¼

Substitute m= ¼ into the equation:

y= ¼x +c

To find the value of c, substitute a pair of coordinates.

y= ¼x +c

When x= -4, y= -4,

-4= ¼( -4) +c

-4= -1 +c

c= -4 +1

c= -3

Thus, the equation of the line is y= ¼x -3.

Select the correct answer. .
Which number has a repeating decimal form?
A 15
B 11/25
C 3/20
D 2/6

Answers

Answer:

B

Step-by-step explanation:

I say B because 2 divided by 6 is .333333333 and so on and so forth.

Hope this helped!!

points Z(4,3) X(-5,-2) Y(4,-2) plot them and then find the perimeter and area

Answers

Answer:

z(43)x(−5−2)y(4−2)

=−602xyz

Step-by-step explanation: HOpe this help , pls mark me as brainlisti

The length of CD is 12 units. C'D' is the image of CD under a dilation with a scale factor of k.
Which of these are true? Choose all that are correct.

Answers

The length of CD is 24 units.

Is Janelle correct? Yes, because the lines are not parallel. Yes, because the lines will intersect. No, because the lines are in the same plane. No, because the lines are perpendicular.

Answers

Answer:

Step-by-step explanation:

No, because the lines are in the same plane.

University students will draw a card from a deck of cards. They win a prize if they draw a card marked with a picture of a Texas longhorn. The probability of drawing a card
2
with a longhom is Plonghorn card
card) –
425 students will play the game. Using what you know about theoretical probability, predict how many students will draw a longhorn card.
2/85

Answers

Answer:

2/85

Step-by-step explanation:

It's easy.

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(9) There is an abandoned lot on Sharp Street. (10) The lot is covered with weeds and trash. (11) Imagine if the weeds and trash were removed and replaced with clean ramps, sidewalks, and railings. (12) Sharp Street would be free of pollution and provide a safe place for skateboarders to skate. (13) My friends and I have also thought about how the city might pay for the skate park. (14) The city could ask businesses to donate the materials to build the ramps. (15) Skateboarders could do chores, such as raking leaves, and donate their money to the skate park. (16) If everyone works together, we can quickly raise enough money to build the park. (17) Skateboarders in Forestville need a skate park. (18) It is not safe to ride on sidewalks in town because people also walk on the sidewalks. (19) Skateboards are not allowed in parks, and the school board voted last week not to allow skateboards on school sidewalks. (20) Skaters need a safe place to skate. 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