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
eimsori [14]
3 years ago
12

Find the sum and express it in simplest form? (-b-c+8)+(7b-7c-9)

Mathematics
1 answer:
Crazy boy [7]3 years ago
4 0
-b + 7b = 6b
-c + (-7c) = -8c
 8 + (-9) = -1

therefore the answer 6b - 8c - 1
You might be interested in
A submarine dives 20 m each minute for 15 minutes. What is the total change in depth after 15 minutes?
bazaltina [42]

Answer:

300 m

Step-by-step explanation:

20 meters per minute. 15 minutes it dives. 20x15 is 300

3 0
3 years ago
Read 2 more answers
What is the surface area of a sphere with a diameter of 8 mm?<br> Use 3.14 for π .
Rudik [331]

Answer:

Step-by-step explanation:

804.25mm

8 0
3 years ago
If 6 x 7 = 26 +0, find the number that belongs in the box.<br> 211
Blababa [14]
Answer: 185 sorry if wrong
3 0
3 years ago
Elsa pumped 12 gallons of water into her pool. This was done over a period of 2 minutes at a constant rate. What was the change
Rashid [163]

Answer:

it was 6 because do 12 / 2 will equal 6.

5 0
3 years ago
Solve the system of equations 10×+7y=99andy-×=2?
djverab [1.8K]
You can use substitution and solve y-x=2 for y which is y= x+ 2 and plug it into the y of the other equasion and you get x=5 y=7
8 0
3 years ago
Other questions:
  • 1
    13·1 answer
  • Solve V = 1/3πr2h for h.
    15·1 answer
  • Identify the figure formed by the net.
    9·1 answer
  • X+3y+12+5y it’s confusing and I can’t gwt the answer
    11·1 answer
  • Please Help!
    12·1 answer
  • Kevin is making a picture frame. He has a piece of trim that is 4 feet long. How many 14-inch long piece can kevin cut from the
    7·2 answers
  • How many pairs of whole numbers have a sum of 110
    7·1 answer
  • A scientist created a scatterplot to display the height of a plant over a 12-day period. Plant Height A graph has days on the x-
    10·2 answers
  • In a certain office tower the ground level is indicated by 0, and the underground levels are indicated by –1, –2, –3, and so on.
    5·1 answer
  • Combine like terms to write the expression in simplest form.<br> 42? + 5y? 2² - 3y²<br> 3y” — Бу
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!