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
Anna [14]
3 years ago
7

Find the length of BC.

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
7 0

Answer: 10.25

Step-by-step explanation:

Use Pythagoras  equation:

AB=√AD²+BD²

AB=√5²+4²

AB=√25+16

AB=√41

cos∡ABC=AB/BC=BD/AB

AB/BC=BD/AB

AB²=BC*BD

(√41)²=BC*4

41/4=BC

BC=10.25

You might be interested in
Which best represents the commutative property of addition?
Alexxandr [17]

Answer:

i think D

Step-by-step explanation:

please mark me brainliest please

6 0
3 years ago
162 divided by [6 (7-4)^2 by the way the 2 is a exponent
r-ruslan [8.4K]
162/(6(7-4)^2)
pemdas
parenthasees inner first
so 7-4 is forst
7-4=3
162/(6(3)^2)
then exponents
3^2=9
162/(6(9))
multiplication
6 times 9=54
162/(54)=3
8 0
3 years ago
What is 2+2 I am just doing this for fun :)​
Black_prince [1.1K]

Answer:

4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Kevin can travel 22 1/2 miles in 1/3 hour. What is his average speed in miles per hour? A.65 mph B.65.7 mph C.68 mph D.70 mph
mojhsa [17]

To find the answer, multiply 22 1/2 by 3.

22 1/2 x 3 = 67 1/2

This can round up to 68

The answer is C. 68 mph

If you have any further questions feel free to ask.

Hope this helps.

7 0
4 years ago
Which properties did Marty use?<br><br> Thank you very much!!
nadezda [96]

Answer:123

Step-by-step explanation:

5 0
4 years ago
Other questions:
  • Help me!!!!!!!!!!!!!!
    6·2 answers
  • If paul puts 300 dollars in a saving account that earns 3% interest how much interest will he earn after 2 years?​
    5·2 answers
  • To function properly a rainwater outflow pipe must drop exactly 1 inch for every 25 inches of horizontal distance . A design cal
    11·1 answer
  • Can y'all please help me on number 6 n show the steps on how you did it
    10·1 answer
  • Which is an equivalent form of the equation 3x-3y=15
    8·2 answers
  • A school fair ticket costs $8 per adult and $1 per child. On a certain day, the total number of adults (a) and children (c) who
    9·2 answers
  • The figure is a kite. The m &lt; 1 = 125 and m &lt; 3 = 20. Find m &lt; 4.
    8·1 answer
  • Find each difference. <br><br> (−5)−6=<br> 35−(−8)=<br> 5/2- 5/3 =<br> −4 8/3−(−1 4/1 )=
    9·1 answer
  • Maya has already run 1 mile on her own, and she expects to run 1 mile during each track practice. How many miles would Maya have
    14·1 answer
  • What is the z-score with a confidence level of 95% when finding the margin of error for the mean of a normally distributed popul
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!