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
Sloan [31]
3 years ago
15

Which value is equivalent to sin20°?

Mathematics
1 answer:
AveGali [126]3 years ago
6 0

Answer:

Option C. cos70°

Step-by-step explanation:

we know that

If two angles are complementary, then the sine of one angle is equal to the cosine of the other angle and the cosine of one angle is equal to the sine of the other angle

Remember that

Tow angles are complementary , if the sum of their angles is equal to 90 degrees

so

If A+B=90°

then

sin(A)=cos(B)

cos(A)=sin(B)

In this problem we have

A=20°

B=90°-20°=70°

therefore

sin(20°)=cos(70°)

cos(20°)=sin(70°)

You might be interested in
Remy, from the blog "Rapping with Remy," asked his readers, "If you had the chance, would you want to be famous?" Of the 2,200 r
astraxan [27]

Answer:

E

This was a legitimate sample, drawn randomly from his readers, and is of adequate size to allow the conclusion that most of Remy's readers want to be famous.

Step-by-step explanation:

Assuming that only YES and NO option were  available to Remy's reader.

Then the response show that 2200 readers reply and 42% said No and means number of readers that answered Yes is

100%- 42% = 58%,

Actual No readers = 42% of 2200 = 924 readers,

Actual Yes readers = 58% of 2200 =  1276 readers

which shows that more of readers readers would want to be famous.

which agrees with the option E

This was a legitimate sample, drawn randomly from his readers, and is of adequate size to allow the conclusion that most of Remy's readers want to be famous.

6 0
3 years ago
What is the slope formula between (-5,2) and (1,-5)
Mrrafil [7]

Answer:

-1.16667

Step-by-step explanation:

The entered points belong to a decreasing, linear function.

Equation: y = -1.16667x - 3.83333.

8 0
2 years ago
Read 2 more answers
74/80 as a decimal?????
scZoUnD [109]
The answer is 74/80 = .925 (.93)
8 0
3 years ago
Is this right idk but i need work fir it
bija089 [108]

Answer:

The answer is C 5/4

Step-by-step explanation:

When lines are parallel and you know there is a scalar factor, make the ratio by putting the original over the dilation 15:12 or 15/12 this is the ratio and after you need to reduce by dividing by the greatest common factor. 15 and 12's GCF is 3 so (15/3)/(12/3) = 5/4.

7 0
3 years ago
Solve the system using multiplication for the linear combination method.
storchak [24]
If you would like to solve the system of equations, you can calculate this using the following steps:

6x – 3y = 3
–2x + 6y = 14     /*3
_________
6x – 3y = 3
<span>–6x + 18y = 42
</span>_________
-3y + 18y = 3 + 42
15y = 45
y = 45/15
y = 3

<span>6x – 3y = 3
</span>6x - 3 * 3 = 3
6x = 3 + 9
6x = 12
x = 12/6
x = 2

(x, y) = (2, 3)

The correct result would be (2, 3).
4 0
3 years ago
Read 2 more answers
Other questions:
  • In an assembly 180 students are in nine equal rows how many students are in each row
    11·1 answer
  • The slope of a graph x-1 and y
    11·2 answers
  • Eudora ran from her home to her secret laboratory at an average speed of 12 km/h. Then she then took one of her jetpacks and fle
    15·2 answers
  • Log3+logx-log(x+1)=log2
    7·1 answer
  • Jorge has708 baseball cards and 394 basketball cards.About how many more baseball cards than basketball cards does Jorge have?
    9·2 answers
  • F(x)=4x-1 G(x)=2x+3<br> Find (fog)(2)
    12·1 answer
  • (-6.6) - 2 - (11 x 4)rational numbers and multiplications​
    12·1 answer
  • yall im tired please help im lacking hella motivation and i have a bad headache so please helpp me cuz no one has thank you luvs
    15·2 answers
  • What principal is needed so that the interest will be $96 if it is invested at 3% per annum for 5years
    6·1 answer
  • The length of a rectangle is twice its width.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!