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
Margaret [11]
4 years ago
14

Find the exact value of the expression cos10°cos20°-sin10°sin20° Please Help

Mathematics
1 answer:
Svet_ta [14]4 years ago
5 0
Cos10 cos20 -sin10 sin20 = cos(10+20) = cos30 = √3/2
You might be interested in
What multiplication problem could have answer for 4610
Finger [1]
67.89 squared
461x10
2x2305
4x1152.5
5 0
4 years ago
Read 2 more answers
Help! I can’t figure out what the number is.
vekshin1
I think it is 17 because it is non zero
7 0
4 years ago
!!20 points and Brainliest please help!!!
vitfil [10]

D) ac + ad + bc + bd

Hope it helps :)

7 0
3 years ago
Read 2 more answers
An arts supply store has 28 pounds of modeling clay to ship to a client. Each packing box can contain no more than
alekssr [168]

Answer:

D. The store will need exactly 38 boxes for the shipment, with  1/3 pound of clay going into the last box

Step-by-step explanation:

We need to divide the number of pounds by the numbers of pounds per box

28 ÷ 3/4

Copy dot flip

28 * 4/3

112/3

37 1/3

We will have to round up to pack all the clay

38 boxes with 1/3 in the 38th box

7 0
3 years ago
Find the area of the circle d=8in
Marina CMI [18]
The area of d=8in would be A=50.27 squared inches!
4 0
4 years ago
Read 2 more answers
Other questions:
  • How do you convert 16ft^2 to in^2
    14·1 answer
  • Find the product of 98 and 863. what is final answer
    15·2 answers
  • Which of these numbers are multiples of 18? Select all correct answers. (A) 35691 (B) 123456 (C) 654321 (D) 102030 (E) 235910
    14·1 answer
  • Write 30/100 of a dollar in decimal amount
    6·2 answers
  • What is the polar form of the complex number 4−6i? Keep z in its simplest radical form and round θ to the nearest degree.
    15·1 answer
  • Find the MIDPOINT between the two points.*<br> (-1,-5) and (-5, 9)
    13·2 answers
  • After how many hours was the temperature at 12<br> degrees F?
    6·2 answers
  • Suppose the either grade goes on a field trip; 283 students and 10 teachers. Each bus holds 72 people and costs $610. How much m
    13·1 answer
  • Can someone help me with this i have to find the theorem and the congruency criteria
    12·1 answer
  • HELP NEED ANSWERS ASAP!''!!!!!!!!!!!!!!!
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!