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
Morgarella [4.7K]
3 years ago
9

tap a can till tank in 28 hours, while tap B can fill the same tank in 21 hours. if both taps are open together, how long will i

t take to fill an empty tank?
Mathematics
1 answer:
Lyrx [107]3 years ago
3 0
24.5 hours

28+21=49

49/2=24.5
You might be interested in
Mia had $32. Then she started to receive $5 a week as an allowance. She plans to save all of her money for a bicycle and draws a
kykrilka [37]
(4,52) would be the ordered pairs.

Hope that helped :)
5 0
3 years ago
Fabio and Carlos play on a basketball team together. In the last game, Fabio had 7 points less than 2 times as many points as Ca
Ymorist [56]
Let 'c' represent the number of points Carlos scored. 2c - 7 = 31 c = 19 points
7 0
4 years ago
If the smallest angle of a triangle is 20 degrees and it is included between sides of 4 and 7, then (to the nearest tenth) the s
velikii [3]
Hello,
Al 'Kashi theorem says:

a²=4²+7²-2*4*7*cos 20°=12.37721...
==>a=3.518126381...≈3.5 ==>False.
7 0
3 years ago
Read 2 more answers
What is the quotient ? a-3/7 divided by 3-a/21
LUCKY_DIMON [66]
Final result :  -3



Step by step solution :Step  1  :            3 - a Simplify   —————             21  Equation at the end of step  1  :  (a - 3)   (3 - a)  ——————— ÷ ———————     7        21   Step  2  :            a - 3 Simplify   —————              7  Equation at the end of step  2  :  (a - 3)   (3 - a)  ——————— ÷ ———————     7        21   Step  3  :         a-3      3-a Divide  ———  by  ———          7       21 
 3.1    Dividing fractions 
To divide fractions, write the divison as multiplication by the reciprocal of the divisor :
a - 3     3 - a       a - 3        21  —————  ÷  —————   =   —————  •  ———————  7        21           7       (3 - a)
 3.2    Rewrite   (3-a)    as  (-1) •  (a-3) Canceling Out : 3.3    Cancel out  (a-3)  which now appears on both sides of the fraction line.
Final result :  -3
4 0
3 years ago
Read 2 more answers
Please help <br> there is a attachment to this i think.
ser-zykov [4K]

Answer:

squrt6(84)

Step-by-step explanation:

By the law:

squrtn(a^m) = a^(m/n)

Best regards

5 0
3 years ago
Other questions:
  • Toby's Tiny Toys have fixed expenses of $53,900 for the production of their tiny toys. Toby's has a variable expense of $12.50 a
    14·1 answer
  • Find w(6) for the function w(x) = 4x+5
    5·2 answers
  • Figure STOP is reflected about the y-axis to obtain figure STO'P. Which statement best describes the relationship between two fi
    8·2 answers
  • Fraction Problems
    9·1 answer
  • Add. ( 3 4 x - 1) + ( 3 4 x - 2)
    14·1 answer
  • A circle has a circumference of 52 inches. What is the circles radius using 3.14 for pi
    12·1 answer
  • (2x + 4) — (-x + 5)<br> PLEASE HELP
    13·1 answer
  • James rode his bike for 0.65 hours and traveled 8.45 km what is his speed?
    12·1 answer
  • Pls help! the function g is defined as follows for the domain given
    10·1 answer
  • Highest common factor of 275 and 350?​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!