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
Nataly_w [17]
3 years ago
6

Please Help Me 1/r=1/a+1/b

Mathematics
1 answer:
34kurt3 years ago
3 0

Answer:

r=a.b/(a+b)

Step-by-step explanation:

1/r = 1/a + 1/b

1/r = (b+a)/(a.b)

r/1= r = a.b/(a+b)

You might be interested in
Canada has a population that is about 1/10 as large as the United States. If Canada's population is about 32 millon, about how m
bezimeni [28]
Since 32 mil is 1/10 of the US pop, multiply 32 mil by 10 so you get the 10/10 aka the whole US pop. That means it would be 320,000,000. All you do is add a zero to 32 mil since you multiply by 10. 32 mil originally had 6 zeros. After multiplying, you have 7 zeros.
5 0
3 years ago
...............................help!!!
Ray Of Light [21]

Answer:

A

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
The local fitness center offers membership discounts for hospital employees. According to the membership brochure, you will rece
Liono4ka [1.6K]

Answer:

48.75$

Step-by-step explanation:

Since the original price is 65$ and you are getting 25% off, you would now be paying 75% of the original price.

65*75%=48.75

_______________________________________________________

You could also take the amount of discount you're getting...

65*25%

and then subtract the amount of discount your getting from the original price

65-(65*25%) = 48.75

7 0
2 years ago
A shipping company charges a $6 flat fee for a package, plus a fee based on the weight of the package. The company charges $1.25
Musya8 [376]

Answer: 11.2 pounds is the max weight of the package he can have.

Step-by-step explanation: $20 - $6 is $14. $14 divided by 1.25 is 11.2.

8 0
3 years ago
I NEED HELP NOW!!! I ONLY HAVE 5 MIN TO TURN THIS IN
zubka84 [21]

Answer:

a)

28000 + 3000·x = 36000 + 2000·x --> x = 8 years

b)

28000 + 3000·8 = $52000

4 0
3 years ago
Read 2 more answers
Other questions:
  • WHATS THE ANSWER THIS IS SO HARDDD
    15·1 answer
  • Which function represents the trend line?
    7·1 answer
  • How do I figure this problem 1/5 > d + 4/5
    8·1 answer
  • Find the sum 5/8 + 7/12<br> A) 1 5/24<br> B) 1/2<br> C) 12/20 <br> D) 5/24
    12·2 answers
  • Please help me it’s really important
    7·1 answer
  • Given angle D= 60 degrees, determine the PERIMETER of triangle ABC.
    8·1 answer
  • Eighty less than three times a number?
    5·2 answers
  • Is 5/15 rational or irrational?
    10·2 answers
  • 7. If VS = 12 meters, find the length of UT.
    11·1 answer
  • Solve the simultaneous equations using an algebraic method.<br> x + 2y = 13<br> 3x + y = 24
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!