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
AnnyKZ [126]
3 years ago
8

We know the following about the numbers a, b and c:

Mathematics
1 answer:
labwork [276]3 years ago
3 0

Step-by-step explanation:

(a + b)² = 9

(b + c)² = 25

(a + c)² = 81

Taking the square root:

a + b = ±3

b + c = ±5

a + c = ±9

By adding these three equations together and dividing both sides by 2, we get the value of a + b + c.

Possible combinations for a + b + c such that the sum is greater than or equal to 1 are:

a + b + c = (-3 + 5 + 9)/2 = 11/2

a + b + c = (3 − 5 + 9)/2 = 7/2

a + b + c = (3 + 5 + 9)/2 = 17/2

You might be interested in
Need answers asap plz with work included (20 points)
svetoff [14.1K]

I think it would be B i hope this helps

3 0
3 years ago
Choose the solution set​
yulyashka [42]

Start with

x-8 > -3

Add 8 to both sides:

x > 8-3 \iff x > 5

4 0
3 years ago
I need an equation for: what number is 70% of 120
kifflom [539]
You'll have to multiply 0.7 by 120.

120*0.7 = n

n is the number that is 70% of 120

120 * 0.7 = 84

Hope this helps :)
8 0
3 years ago
Read 2 more answers
Write the sentence as a equation<br>b is 380 more than the quality y times 268​
Svet_ta [14]
A: b = 268y + 380
is : =
5 0
3 years ago
If m 6=51, then m 7=
Sophie [7]

Answer:

m 7=129

Step-by-step explanation:

if 6 and 7 are right next to each other. it makes 180 degrees so you would take 180-51 to get your answer

6 0
2 years ago
Other questions:
  • Complete the inequality.
    13·2 answers
  • The sum of twice a number and 18 less than the number is the same as the difference between -30 and the number
    13·2 answers
  • Solve x^2 + y^2 = 36 for y. After solving for y, graph the function. Show solution steps.
    12·1 answer
  • 98 POINTS PLEASE HELP
    5·2 answers
  • Benito has 2 pounds of ground turkey. He needs 1/4 pund to make 1 turkey burger. How many turkey burger can benito make
    14·1 answer
  • 17. Find the value of x. Round to the nearest degree.
    6·1 answer
  • 6) -b - 3b = -16 - 2b<br><br> Can I get help step by step. Please and thank you! (:
    5·1 answer
  • Which simplified equation is equivalent to the equation shown below? 4x + -3 -9 +4x=6​
    10·1 answer
  • Os there one solution, no solutions, or infinate solutions to 4(4x-3) = 8(2x-2)+4
    8·1 answer
  • Cho x+y=1 tìm gtnn của p=3xy+4
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!