1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
german
3 years ago
12

What is the value of x? sin(x + 22)° = cos(2x - 7)º

Mathematics
2 answers:
Contact [7]3 years ago
6 0

Answer:

x = 25

Step-by-step explanation:

Recall the trig identity sin(x) = cos(90 - x)

In other words, sin(x + 22) = cos(90 -(x+22)) = cos(68 - x)

Now, set them equal to each other:

cos(68 - x) = cos(2x - 7)

We can ignore the cosine:

68 - x = 2x - 7

3x = 75

x = 25

EleoNora [17]3 years ago
5 0

Answer:

x=25°

Step-by-step explanation:

sin (x+22)=cos(2x-7)=sin (90-(2x-7))

x+22=90-(2x-7)

x+22=90-2x+7

x+2x=97-22

3x=75

x=75/3=25°

You might be interested in
Descriptive statistics are techniques for describing and summarizing data, whereas inferential statistics are techniques for obt
WITCHER [35]

Answer:

True

Step-by-step explanation:

Descriptive statistics gives certain information about the data that helps us understand it better. For example, If you have a data set containing the number of customers that visit a shopping mall per day, the proportion of male customers or the average number of customers over period of time are some examples of descriptive statistics.

Inferential statistics uses sample data from a larger population to make certain inferences and draw conclusions about that population based on some standard procedures. Some examples of methods in inferential statistics are, Confidence intervals, Hypothesis Testing and Regression analysis

4 0
3 years ago
50 POINTS !!<br><br><br> PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.
Lesechka [4]

Answer:

53 centimeters

Step-by-step explanation:

Answer: 53 centimeters

6 0
2 years ago
What is 60% of 400? Round to the nearest hundredth
Alexxandr [17]

Answer:240

Step-by-step explanation: Either multiply 400 by 6/10 or .6. Either way you get 240.

6 0
3 years ago
Read 2 more answers
You survey 72 randomly chosen students about whether they are going to attend the school play. Twelve say yes. Predict the numbe
Lunna [17]
I say 9 students will attend the play because some of the students that said they were going to may not show up.
**also, since this is a prediction there’s really no right or wrong answer.
7 0
3 years ago
The point (3, -4) is on the terminal side of an angle 0 . What is cos 0  ?
RSB [31]
Draw it
cos=oposite side/hypothuse

oposite side=y=-4
hypotonuse=distance from (0,0) to (3,-4)
which is D=\sqrt{3^2+(-4)^2}=\sqrt{9+16}=\sqrt{25}=5

so it would be -4/5
5 0
3 years ago
Other questions:
  • Sophia is making brownies. Her recipe uses a ratio of 3 cups of sugar to 2 cups of cocoa powder.
    12·1 answer
  • In a survey, 150 shoppers were asked whether they have access to a computer at home and if they have a personal e-mail account.
    12·1 answer
  • Compare the perimeters of the two regular figures. Which statement is true?
    10·1 answer
  • What is f(x)=x3+2x2−5x−6 in factored form given that 2 is a zero of the function?
    10·2 answers
  • Identify the reflection of the figure with vertices
    5·1 answer
  • A 455 foot fence encloses a pasture. What is the length of each side of the pasture? Write and solve an equation
    8·1 answer
  • Represent the following sentence as an algebraic expression, where "a number" is the letter x. You do not need to simplify.
    7·1 answer
  • I NEED EMERGENCY SOS
    11·1 answer
  • Find the equation of the linear function represented by the table below in slope-intercept form.
    14·1 answer
  • 39.) A shirt that costs $30 is on sale for 20% off. What is the total cost of the<br> shirt?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!