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
Natalija [7]
3 years ago
8

Point O is the center of this circle, what is mBCA? A) 56 B) 62 C) 72 D) 76

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
4 0
Answer: B.) 62

sum of interior angles of quadrilateral = 360

lines DB and DA are tangent to the circle, so they're at a right angle to the lines OB and OA respectively. so to find mBOA = 360 - 56 - 90 - 90
so mBOA = 124

mBCA = (1/2)mBOA
mBCA = (1/2)(124)
mBCA = 62°
You might be interested in
7th grade math help pls it’s about slope and stuff
Musya8 [376]

Answer:

m=-2

entire equation in slop int. form is: 7=-2x+5

8 0
3 years ago
Suppose a spherical balloon grows in such a way that after t seconds, its volume is V = 4 sqrt(t) cm3.
chubhunter [2.5K]
The volume at time <span>t = 25 seconds
since </span><span> V = 4 sqrt(t) cm3, 
 V(5)= 4*</span><span>sqrt(25)cm^3=4*5=20cm^3</span>
3 0
4 years ago
Please can someone help answer these ratio questions
BabaBlast [244]

Answer:

12sweet

Alex's ratio=3

Thomas' ratio =2

I.e 3+2=5

Sweet=30

Thomas' share=2/5*30

=12

I.e Thomas' share is equal to 12 sweets

7 0
3 years ago
Read 2 more answers
Hey ! Can anyone help me with this problem please thank you !!
Artist 52 [7]

Answer:

2

Step-by-step explanation:

7x + 3 = 8x + 1

2 = x

these are geometry problems.

3 0
3 years ago
4
Amiraneli [1.4K]
3x+x=96

(4x=96)/4

x=24

3(24)=72

Hector is 24 and his grandma is 72.

hope this helps!
6 0
3 years ago
Other questions:
  • Please help me and please answer both questions
    8·1 answer
  • A bear was seen near a campground. Searchers were dispatched to the region to find the bear.
    11·2 answers
  • A triangle’s longest side is 8cm longer than the shortest side and 5cm linger than the third side. If the perimeter is 56cm find
    8·1 answer
  • What is -3/2 times (-5 1/4)
    13·1 answer
  • Break apart ones to make a ten. 46+7.
    7·1 answer
  • Subtract these polynomials.
    11·1 answer
  • Math question please show work due today last day to submit Assignments or I fail please help
    13·1 answer
  • Simplify (-2)^-3<br> a. -8<br> b. -1/8<br> c. 1/8<br> d. 8
    11·2 answers
  • “Find the (average) of the following set of data:12,20,1,20,8
    10·2 answers
  • Identities and properties of logarithms ​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!