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
Vadim26 [7]
3 years ago
12

Please help me solve for r

Mathematics
1 answer:
s2008m [1.1K]3 years ago
7 0
Add the opposite of any terms that don't have r.
.. K +7s = 4r

Divide by the coefficient of r.
.. (K +7s)/4 = r
You might be interested in
WILL GIVE BRAINLIEST PLEASE HELP!!!
laiz [17]

Answer:

its the top right answer choice

you'd simply just need to subtract 80 from 210 since its 10 per visit, and after 8 visits well its self explanatory

Step-by-step explanation:

its the top right answer choice

you'd simply just need to subtract 80 from 210 since its 10 per visit, and after 8 visits well its self explanatory

5 0
3 years ago
How does the formula for the sample mean differ from the formula for population mean? Multiple choice question. To calculate the
Katen [24]

Answer:

The formulas are functionally the same, but 'n' (the sample size) is used instead of 'N' (the population size).

Step-by-step explanation:

The sample mean is the average value for a set of observations which is derived from a population. While the population mean is the average value for the entire set of observation belonging to a particular study of interest.

The set of observation belonging to a population is denoted by 'N' ; while the sample size is denoted as 'n' :

The mean formula is written thus :

Population mean = Σx / N

Sample mean = Σx / n

Where, x = set of values.

6 0
3 years ago
Lydia bought a shirt at 20% off its retail price of $40. She paid a 5% tax on the price after the discount. How much did Lydia p
Alecsey [184]
40 x .80 = 32 x 1.05 = 33.60 is what she paid
3 0
3 years ago
PLEASE ANSWER ASAP FOR BRAINLEST, REALLY EASY QUESTION!!!!!!!!!!!!!!!!!!!!!!!
Natalija [7]

Answer:

31?

Step-by-step explanation:

7 0
3 years ago
Pls Help me this is hard
sergiy2304 [10]

Answer:

i believe the answer is 83.79

Step-by-step explanation:

if the librarian purchased 200 boxes for $136, each box would cost 1.47 when divided. then there were 57 extra children so she had to buy 57 extra boxes. so if each box costs 1.47 then you just multiply 1.47*57 =83.79 and you get your answer. :D

3 0
3 years ago
Read 2 more answers
Other questions:
  • 5÷6 is 5/6. What is 1/6 of 5?
    13·1 answer
  • An experiment is conducted to compare the maximum load capacity in tons​ (the maximum weight that can be tolerated without​ brea
    5·1 answer
  • Can someone please help me with this math problem?
    8·1 answer
  • Write the word sentence as an inequality.<br><br> One plus a number y<br> is no more than −13
    15·1 answer
  • Two companies rent boats by the hour. The total cost, in dollars, c, depends on the number of hours, h.
    6·1 answer
  • Which model shows all of these numbers correctly placed one the number line
    10·1 answer
  • What type of association is shown in the following scatter plot?
    9·1 answer
  • Question is in picture
    12·1 answer
  • If the perimeter of the square below is 12 units. What is the value of x?<br><br><br> Pls help
    5·1 answer
  • There are a total of 66 people attending a carnival. The ratio of adults to children is 4 to 7. How many adults are attending th
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!