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
allsm [11]
2 years ago
8

Find the length of side BC. Give your answer to 3 significant figures. C A 71° B

Mathematics
2 answers:
lana66690 [7]2 years ago
5 0

Answer:

19.4°

Step-by-step explanation:

I put the image of how I did it if you don't understand let me know

Vikki [24]2 years ago
4 0

Answer:

BC ≈ 19.4 cm

Step-by-step explanation:

using the cosine ratio in the right triangle

cos71° = \frac{adjacent}{hypotenuse} = \frac{AB}{BC} = \frac{6.3}{BC} ( multiply both sides by BC )

BC × cos71° = 6.3 ( divide both sides by cos71° )

BC = \frac{6.3}{cos71} ≈ 19.4 cm ( to 3 sig. figs )

You might be interested in
A card game has 50 cards. After dealing 7 cards to each player, Tupi has 15 cards left over. Solve the equation 50 7p = 15 to fi
mafiozo [28]

Answer:

50 - 7p = 15....subtract 50 from both sides

-7p = 15 - 50

-7p = - 35...divide both sides by -7

p = -35/-7

p = 5 <=== there are 5 players

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Attendance at baseball games
baherus [9]
2,000 people is the answer
8 0
3 years ago
I will mark brainlyist if you answer it and it is correct
Stells [14]
Hello!

You can solve this algebraically

7w < -42

Divide both sides by 7

w < -6

The answer is any number less than -6 or w < -6

Hope this helps!
7 0
3 years ago
Read 2 more answers
How do you find the slope of a line using an equation
ruslelena [56]

Answer:

Step-by-step explanation:

Equation of line

y = mx + c

m = slope and c is the intercept on y-axis

8 0
3 years ago
PLEASE HELP ME OLEASE UT URGENT !
Ket [755]
Answer:

Explanation:

m = (y1 - y)/(x1 - x)

y1 = 50, y = 90
x1 = 2, x = 4

m = (50 - 90)/(2 - 4)
m = -40/-2
m = 20

b is the y intercept = 50

So our equation is written as:

y = 20x + 50
8 0
3 years ago
Other questions:
  • Use complete sentences to describe why it is necessary to do the same thing to both sides of an equation to perform valid operat
    5·1 answer
  • Write the following statement as a conditional statement. All rectangles have four sides.
    6·2 answers
  • Which statement best demonstrates why the following is a non-example of a polynomial?
    6·1 answer
  • a rectangle is graphed on the coordinate grid. which represents the equation of a that is perpendicular to side r?
    9·1 answer
  • Please answer question in the file for 15 pts Question : What is the area of the square traffic sign in square inches? in square
    13·1 answer
  • Last year 726 voted in the student council election at school. This year 721 students voted what was the percent of increase in
    12·1 answer
  • Triangle LMN is similar to triangle PQR. Which of the following sets of side lengths could be those of triangle LMN.
    6·2 answers
  • 3 plus 29/24 please tell me
    5·2 answers
  • The Maron Luggage Company claims they have a suitcase large enough to fit a 34-inch baseball bat inside. If the suitcase has hei
    9·1 answer
  • The equation of the graphed line is x+2y=5. What is the x-intercept of the graph? A coordinate plane with a line passing through
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!