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
skad [1K]
3 years ago
14

And this is why I hate math.

Mathematics
2 answers:
Novosadov [1.4K]3 years ago
7 0
Complementary angels add up to 90°
so x+18°=90°
so x=90-18=72°
Bogdan [553]3 years ago
4 0
Complementary angles = angles that add up to 90°

So since ∠ABD and ∠DBC are complementary, you just need to add them and equal them to 90; your equation will look like this: 18+x=90

Just subtract 18 on each side, and your answer will be x=72
You might be interested in
Divide. Write the quotient in the lowest terms 12 divided by 1 and 1 over 5
IgorLugansk [536]

you turn 1 and 1 over 5 into 6 over 5. then divide.

12 divided by 6 over 5 equals 10

6 0
3 years ago
How do I write 7 23/40 as a decimal
Vsevolod [243]
The decimal for this would be 7.575
Hope this helped :) 
3 0
3 years ago
Which graph represents the solution set of the system of inequalities? <br> {−2x+y≤4<br> {y&gt;x+2
Marat540 [252]

The answer is






                               


                                   hope it helps

6 0
3 years ago
What number added to heather equal 3 and multiply together to get -48
andrew-mc [135]
Answer: 3, 4, -4

If you multiply those 3, it equals -48. When you add them together, it's 3.
8 0
3 years ago
A radioactive substance decays according to the formula A=A0e^kt
Sholpan [36]
Without needing fancy formulas, we can conclude that after 10 years, half of the substance will be left.  So, we can make our own formula:
amount remaining = 1 / 2^(years/10)
So, after 5 years
amount remaining = 1 / 2^(5/10)
amount remaining = 1 / 2^(.5)
amount remaining = 1 / <span> <span> <span> 1.414213562 </span>
</span></span><span>amount remaining = 0.70711 * 20 grams
</span><span><span><span><span>amount remaining = </span>14.1421356237 grams

</span></span></span>


4 0
3 years ago
Other questions:
  • How many bags of grapes had a weight of 3/8 pounds or less?
    7·1 answer
  • A card is drawn from an ordinary deck of cards. find the probability of getting the 6 of clubs
    11·1 answer
  • Piper wants to buy enough potting soil to fill flower box that is 36 inches long, 8 inches wide, and 10 inches tall. If one bag
    6·2 answers
  • Expand and simplify (x-2) (x-1)
    15·1 answer
  • What is the surface area of the square pyramid? Use the net of the pyramid to find the surface area.
    15·1 answer
  • A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO, p, is less than 2 in every ten t
    8·1 answer
  • The complement of an angle is five times the measure of the angle itself find the angle
    10·2 answers
  • Which of the following best describes the algebraic expression x/6-1?
    14·1 answer
  • GIVING OUT BRAINLIETS!!
    14·1 answer
  • Please help thank you
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!