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
Anna007 [38]
4 years ago
9

Subtract. –21 – (–13) a. –34 b. –8 c. 8 d. 34

Mathematics
1 answer:
Angelina_Jolie [31]4 years ago
6 0
-21 - (-13)

-21 + 13

= -8

The answer B)

You might be interested in
7. Virus growth is an example of which type of function?
Karolina [17]

Answer:

Since many viruses can infect a large number of different cell types, ... An example is potato yellow dwarf virus, which can grow in leafhoppers

5 0
3 years ago
The equation of a circle is given. Find the circumference of a circle. Write the circumference in terms of pi.
sattari [20]
C=2πr and x^2+y^2=r^2
r=4 because of the equation (16)^1/2 is 4
C=8π 
3 0
3 years ago
Write an equation for the nth term of the geometric sequence 6000,3000,1500,750 <br> PLEASE HELP!!!
Wewaii [24]

Answer: 6000\cdot (1/2)^{n-1}

Each term is half of the previous one, so the common ratio is 1/2. Then to get from the first term to the nth term, you have to take n - 1 steps, multiplying by 1/2 each time and by 6000 to account for the first term.

i hope this helps! :D

8 0
3 years ago
If y varies directly as x and y is 400 when x is r when x is 4 what is the numeric constant of variation in this relation
NNADVOKAT [17]

Answer: y is 100 times what x is.

8 0
3 years ago
What is the y-coordinate of the point that divides the
Nina [5.8K]

Answer:

5

Step-by-step explanation:

took the test

5 0
3 years ago
Other questions:
  • What is the surface area of storage box measures 15 cm xby12 cm by 10 cm?
    6·1 answer
  • What is the value of r in the equation 4r − 8 = 5r + 12?<br><br> −20<br> −1<br> 1<br> 20
    12·2 answers
  • What could be the equivalent ?
    5·2 answers
  • The owner of the plant nursery where you work tells you to fill 350 milliliter bottles from a 30 liter drum of fertilizer. How m
    10·1 answer
  • 4x−4y=-2 and −9x−4y ​ =-3 solve by adding please !!!
    6·1 answer
  • If you invest $20,000 in a mutual fund averaging 10% compounded monthly, how long will it take to reach $1 million?
    7·2 answers
  • 15 inches and 8 feet in the simplest form
    8·1 answer
  • Solve the system of equations using the substitution method.
    7·2 answers
  • Word Questions - Fractions and Percents<br><br> HELP PLEASE
    7·1 answer
  • Several poles, that were 0.4 meters in length, were attached end to end to form a pole that was 150 meters long. How many poles,
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!