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
svet-max [94.6K]
2 years ago
14

What is 5% of 400 please add the formula for finding this if you can

Mathematics
1 answer:
Anettt [7]2 years ago
6 0
Percent formula : is/of = %/100

what is 5% of 400
is = x
of = 400
% = 5

now we sub
x/400 = 5/100
this is a proportion, so we cross multiply
(100)(x) = (400)(5)
100x = 2000
x = 2000/100
x = 20......so 5% of 400 is 20
You might be interested in
Which is the better deal, 139.99 with 20 percent in discountor 139.99 with $20 in discount
Leno4ka [110]
20% discount is definitely the $ saver!
3 0
3 years ago
What is 246 gallons/minute converted to liters/second<br> show work pleaseee
marissa [1.9K]

Answer: The answer to this question is 15.53lt/sec.

Step-by-step explanation: 1 liter is equal to 0.264gallons

1 minutes is equal to 60 seconds.

To convert we have to multiply 246gal/min by 1min/60sec then by 1lt/0.264gal to get the answer in lt/s

Where the answer is 15.53lt/s

6 0
3 years ago
Find the partial fraction decomposition of x-3/x(x^2+3)
Setler [38]

Answer:

-1 / x + (x + 1) / (x² + 3)

Step-by-step explanation:

(x − 3) / (x (x² + 3))

There are two factors in the denominator, so split this into two fractions with unknown numerators:

A / x + (Bx + C) / (x² + 3)

Combine back into one fraction:

(A (x² + 3) + (Bx + C) x) / (x (x² + 3))

Now equate this numerator with the original:

A (x² + 3) + (Bx + C) x = x − 3

Ax² + 3A + Bx² + Cx = x − 3

(A + B) x² + Cx + 3A = x − 3

Match the coefficients:

A + B = 0

C = 1

3A = -3

Solve:

A = -1

B = 1

C = 1

Therefore, the partial fraction decomposition is:

-1 / x + (x + 1) / (x² + 3)

Here's a graph showing that the two are the same:

desmos.com/calculator/hrxfnijewh

3 0
3 years ago
Courtney had $55 to spend at the fair. She paid $22.50 for rides and $14.25 for lunch and snacks. Courtney says she has $18.25 l
IrinaVladis [17]
She has $55. She spent $22.50 on rides so now she has $32.50 . Then she spends $14.25 on lunch and snack so now she has $18.25.


A. would be wrong because Courtney IS correct, she has $18.25 left.

C. is also wrong because, again, Courtney IS correct.

So the only option left is B and it explains why Courtney is correct.

Option B is the correct answer.

Hope this helps.

4 0
3 years ago
What is the equation of the line?
Nostrana [21]

Answer:

y=1/2x+2

Step-by-step explanation:

8 0
2 years ago
Other questions:
  • A florist is making flower arrangements with 32 roses and 40 tulips. Each arrangement must be identical. What is the greatest nu
    5·1 answer
  • Earning a 6% pay increase to current $62,900 annual salary
    9·1 answer
  • Stacia works for 8 hours for 7 days straight. On Saturday she earned overtime and Sunday she earned double time. If she makes 16
    12·1 answer
  • Im stuck on this question..​
    8·1 answer
  • How can I solve the radical equation
    12·1 answer
  • Ang tamang yunit para masukat sng area ng panyo ay​
    7·1 answer
  • Help! What’s the surface area to this? Please help. Urgent.
    10·1 answer
  • Help!<br><br> Please look at the pic and help me!
    7·2 answers
  • Rationalise the denominator of: -7/(√11 - √5)​
    12·2 answers
  • Looking for answer for this answer
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!