2sin60° sin90°+ cos60°cos0​

Answers

Answer 1

Answer:

[tex]\sqrt{3 }[/tex] + [tex]\frac{1}{2}[/tex]

Step-by-step explanation:

Using exact values

2sin60°sin90° + cos60°cos0°

= 2 × [tex]\frac{\sqrt{3} }{2}[/tex] × 1 + [tex]\frac{1}{2}[/tex] × 1

= [tex]\sqrt{3}[/tex] + [tex]\frac{1}{2}[/tex] ← exact value


Related Questions

how are 1/4 of 12 and 12 divided by 4 related????

Answers

Both expressions are related because 12 divided by 4 equals to 3, and 1/4 of 12 equals to 3 too.

Answer:

they are related because both of the equation equal to 3

combine like terms and simplify. 7(3y-5)-2(10+4y)

Answers

Answer: 13y - 55

Step-by-step explanation:

Given

7 (3y - 5) - 2 (10 + 4y)

Expand parentheses and apply the distributive property

=7 · 3y - 7 · 5 - 2 · 10 - 2 · 4y

=21 y - 35 - 20 - 8y

Move like terms together

=21y - 8y - 35 - 20

Combine like terms

=13y - 55

Hope this helps!! :)

Please let me know if you have any questions

multiply (2x+5) (2x-3)

(x-4) (3x²+5x+2)​

Answers

Answer:

[tex]thank \: you[/tex]

Solve the following problem. Round the one decimal place if necssary.

Answers

Cosθ = adjacent / hypotenuse

[tex]\cos(47) = \frac{28}{x} \\ 0.68 = \frac{28}{x} \\ x = \frac{28}{0.68} \\ x = 41.1 \\ x = 41[/tex]

I hope I helped you^_^

−3/4=3x/4+11/8 how do i do this problem

Answers

Answer:

[tex]x = -\frac{17}{6} = -2\frac{5}{6}[/tex]

Step-by-step explanation:

When I went through the phase of solving these problems they stumped me SO BAD,... they want you to solve for x,...

Here's your problem:

[tex]-\frac{3}{4} =\frac{3x}{4} +\frac{11}{8}[/tex]

Multiply both sides of the equation by 8, the least common multiple of 4,8. (in doing this you get all the fractions to whole numbers (they are easier to work with))

−6=2×3x+11

Multiply 2 and 3 to get 6

−6=6x+11

Swap sides so that all variable terms are on the left hand side.

6x+11=−6

Subtract 11 from both sides.

6x=−6−11

Subtract 11 from −6 to get −17.

6x=−17

Divide both sides by 6.

x= [tex]\frac{-17}{6}[/tex]  

Hope it helps,... Chow,...

TRUE or FALSE?
Both horror and comedy can use dramatic irony because both horror and comedy
use what the audience knows to create either suspense or humor.
True
Or
False

Answers

Answer:

True

Step-by-step explanation:

Answer:

True

Step-by-step explanation:

Cathy are in $16 per day how much will she have at the end of 64 days

Answers

Answer:

1024

Step-by-step explanation:

multiply 16 by 64


In the expression 2ab + b - 3b2 + 4, the coefficient of b is:

Answers

Answer:

coefficient of b

there are 3 b's in this expression so there will be 3 coefficient

in 2ab it will be 2a

in b it will be 1

in -3b2 it will be -3

ccc

so the coefficients are 2a , 1, -3

The common ratio of the geometric sequence -14,-84,-504

Answers

A common ratio is basically a ratio of next sequence and the sequence you want

To find a common ratio of geometric sequence, we usually define 'r' as common ratio.

[tex] \displaystyle \large \tt{r = \frac{next \: \: sequence}{the \: \: sequence \: \: you \: \: want} }[/tex]

For example, I want to focus on -14 and the next sequence would be -84.

Hence,

[tex] \displaystyle \large{r = \frac{ - 84}{ - 14} }[/tex]

Thus, r is 6 because both numerator and denominator are negative. negative divides negative = positive.

Or you want to choose -84, then the next sequence would be -504.

[tex] \displaystyle \large{r = \frac{ - 504}{ - 84} }[/tex]

Then r would still be 6. Since both ways have r as 6 and this proves that the sequence is geometric.

Hence, the common ratio is 6.

Prove that √(3*5^-3) ÷ 3√(3^-1*5) * 6√(3*5^5) = 3÷5​

Answers

Answer:

it dose

Step-by-step explanation:

i use my brain to the problem

Kayla read m books during the summer. Her sister, Breanne, read n books during the summer. How
many books did they read altogether?

Answers

Answer:

How much did kayla read the books and breanne sorry but you did not mention how many books

You are taking hang-gliding lessons. The cost of the first lesson is one and a half times the cost of each additional lesson. You spend $260 for six lessons.

Answers

So, givens: total lesson cost of $260, total lessons taken are 6, and the first lesson costs 1.5 (or 3/2) as much as the additional lessons.

First thing to do is to figure out how many additional lessons are in that, which are 5.

Then you can make a 1 variable equation with the information you have. I’m using x as my variable.

260= 3/2x + 5x

Combine like terms.

260 = 13/2x

Divide both sides by 13/2 (treat it as a fraction, and if your calculator cannot make fractions, then decimal might help for this. 13/2=6.5)

X=40

In which step did Rob make a mistake?

Step 1: = 6 + 4 x 3 -10/5

Step 2: = 10 x 3 - 10/5

Step 3: = 30 - 10/5

Step 4: =20/5

Step 5: 4

Question 1 options:

Step 1


Step 2


Step 3


Step 4


Step 5

Answers

Answer:

Explanation:

Using the PEMDAS rule:
P = parentheses
E = exponent
M = multiplication
D = division
A = Addition
S = subtraction

Step 1: 6 + 4 x 3 - 10/5

Step 2: 6 + 12 - 2

Step 3: 18 - 2

Step 4: 16


2. The cost of a badger is b pence. A raccoon is 5 pence more expensive than a badger and a beaver three times as expensive as a badger.

a) What is the cost of a raccoon?
b) What is the cost of the beaver?
c) What is the total cost of a raccoon and 8 beavers?

Answers

Answer:

A. b+5

B.3(b+5)

C.b+5+8b=9b+5

Step-by-step explanation:

Find the lcm of 9 and 27

Answers

Answer:

The answer you are looking for is 27.

Step-by-step explanation:

The reason is because 27 is the 3rd multiple of 9.

Answer:

27

Because

[tex]9 = {3}^{2} \\ 27 = {3}^{3} \\ so. \: \: \: lcm = {3}^{3} = 27[/tex]

form simultaneous equations and solved using only one method.
In the two digit number the unit digit is thrice the tens digit if 36 is added to the number the digits interchange their place find the number ​

Answers

Answer:

4

Step-by-step explanation:

12x+36=10{2x}+x

=12x+36=21x

=21x-12x-36

=9x=36

=4

Find the volume of a cone
4
6
pleaseeeeee help

Answers

Answer:

6 is the answer pls mark me branilest

EXTRA POINTS MARKING BRAINLIEST!!!

ABCD is a parallelogram prove CDB=CAB and <ABD=<ABD​

Answers

2x-5y+7z=6

x-3y+4z=3

3x-8y+11z=11

Which statements are true about trapezoid ABCD and its translated image, A'B'C'D'? Select two options.

The rule for the translation can be written as T–3, 1(x, y).
The rule for the translation can be written as T–1, 3(x, y).
The rule for the translation can be written as
(x, y) → (x + 1, y – 3).
The rule for the translation can be written as
(x, y) → (x – 3, y + 1).
Trapezoid ABCD has been translated 3 units to the right and 1 unit up.

Answers

Answer:

The rule for the translation can be written as T–3, 1(x, y).

The rule for the translation can be written as

(x, y) → (x – 3, y + 1).

Step-by-step explanation:

Got it right on Edge

Rationalize the denominator 2/root 3 - 1​

Answers

Answer:

Step-by-step explanation:

[tex] \frac{2}{ \sqrt{3} - 1 } \\ \frac{2}{ \sqrt{3 } - 1} \times \frac{ \sqrt{3} + 1}{ \sqrt{3} + 1} \\ \frac{2 \times ( \sqrt{3} + 1)}{( \sqrt{3} - 1)( \sqrt{3 } + 1) } = \frac{2 \sqrt{3} + 2}{( \sqrt{3} )^{2} - {1}^{2} } \\ \frac{2 \sqrt{3} + 2 }{3 - 1} = \frac{2 \sqrt{3} + 2 }{2} = \frac{2( \sqrt{3} + 1)}{2} \\ \sqrt{3 } + 1 = 1.732 +1 = 2.732[/tex]

Or

[tex] \frac{2}{ \sqrt{3 - 1} } \\ \frac{2}{ \sqrt{2} } \times \frac{ \sqrt{2} }{ \sqrt{2} } = \frac{2 \sqrt{2} }{( \sqrt{2} ) ^{2} } = \frac{2 \sqrt{2} }{2} \\ \sqrt{2} = 1.4142[/tex]

I hope I helped you^_^

2 1/3 + 6 3/5



Adding the fraction

Answers

The answer is 8 14/15

What is the answer to this? Please send help

Answers

Step-by-step explanation:

steps are in the picture.

Note:if you need to ask any question please let me know.

I WILL MARK YOU BRAINLIEST PLEASE !!!!
find the coordinates M after a dilation about the origin of 2 write your answer in the form (a,b)​

Answers

Answer:

B

Step-by-step explanation:

Answer: Choice B.  (0,4)

Explanation:

Point M is at (0,2). We multiply each coordinate by the scale factor 2 to get (0,4) which is the location of M'

This trick only works if the center of dilation is the origin.

is 1/3 rational or irrational

Answers

Answer:Rational

Step-by-step explanation:

1/3 is a rational number, being a number of the form p/q where p and q are integers and q≠0.

Answer:

1/3 is a rational number.

havea great dayy

409 into binary number​

Answers

Answer:

110011001 is the binary equivalent of the number 409

what is -5x-x?
thank you!

Answers

Answer:

-5x-x=-6x

hope this helps you

Answer:

-6x

Step-by-step explanation:

-5x-x

add like terms

-6x

To divide two fractions with common denominators, divide the first numerator by the second numerator, ignoring the denominators. Rewrite this division problem as the division of two integers.​

Answers

Answer:

i guess it a right answer

What is the value of the product (3-2i)(3+2i)?

Answers

Answer:

13

Step-by-step explanation:

9-(4i)^2 is the answer

Need awnsers please

Answers

Answer:

<C+83=90 [ sum of complementary angles ]

<C=90-83

<C=7

Now,

<C+83=180 [ sum of supplementary angles ]

<C=180-83

<C=97

Can somebody give me the answer?

Answers

Answer:

200

Step-by-step explanation:

1inch=50miles

Now the distance between two places are 4 inches:

1 *4 inches = 50*4 miles

4inches= 200miles

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