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
Zolol [24]
2 years ago
5

How can you quickly calculate 20 percent of any bill amount?

Mathematics
2 answers:
Olin [163]2 years ago
8 0
Turn 20 into 20/60 then divide them
It equals 3
3%
inna [77]2 years ago
6 0
Take it and divide it by 5, or you can multiply it by .2
You might be interested in
Figure out the combination.
ad-work [718]

Answer:

blue, orange, purple ,red ,blue

7 0
2 years ago
Read 2 more answers
Solve 2x-7 = 3x-2(x+8) for x
kolezko [41]

Answer:

x = -11

Step-by-step explanation:

2x - 7 = 3x - 2x - 18

2x - 7 = x - 18

collect like terms

2x - x = 7 - 18

x = -11

5 0
1 year ago
Find mZ3 if mZ5 = 145º and mZ4 = 45°
trapecia [35]

9514 1404 393

Answer:

  C.  100°

Step-by-step explanation:

The exterior angle is equal to the sum of the remote interior angles.

  ∠5 = ∠3 +∠4

  145° = ∠3 +45° . . . . fill in the given values

  100° = ∠3 . . . . . . subtract 45° from both sides

7 0
2 years ago
What is the answer to. Write a polynomial equation with integer coefficients that has the given roots, x=7 and x=-5
rewona [7]
\bf \begin{cases}
x=7\implies &x-7=0\\
x=-5\implies &x+5=0
\end{cases}\implies (x-7)(x+5)=\stackrel{original}{polynomial}
\\\\\\
x^2-2x-35=y\implies 1x^2-2x-35=y
7 0
3 years ago
Y=2x+9 y=4x-9 Solve the system of equations.
Deffense [45]

Answer:

Your solution is (9, 27) or x = 9, y = 27

Step-by-step explanation:

y = 2x + 9

y = 4x - 9

We can see that both of these equations equal y, so we can set them equal to each other.

2x + 9 = 4x - 9

Add 9 to both sides.

2x + 18 = 4x

Subtract 2x from both sides.

18 = 2x

Divide both sides by 2.

9 = x

Now we want to find y. To do this, plug x = 9 back into one of the original equations.

y = 2(9) + 9

Multiply.

y = 18 + 9

Add.

y = 27

Your solution is (9, 27)

Check your answer by plugging x = 9 and y = 27 back into the original equations.

y = 2x + 9

27 = 2(9) + 9

27 = 18 + 9

27 = 27

y = 4x - 9

27 = 4(9) - 9

27 = 36 - 9

27 = 27

Your answer is correct.

Hope this helps!

3 0
3 years ago
Read 2 more answers
Other questions:
  • A​ positive-sum game occurs
    10·1 answer
  • a student randomly chooses one pen from a box containing 1 black, 3 red, and 6 blue pens. what is the probability that the stude
    14·1 answer
  • How do you solve #21?
    15·1 answer
  • Hello can u tell me if the answer and work is correct if not tell me
    11·2 answers
  • Which is greater??<br> One cup or 250 mm
    14·1 answer
  • Does anyone know what the answer to this is?
    13·1 answer
  • Is every rhombus with four right angles is a square. True or False
    6·2 answers
  • Samantha invested $670 in an account paying an interest rate of 5.5% compounded daily. Assuming no deposits or withdrawals are m
    6·1 answer
  • I need help please ​
    12·1 answer
  • What is the total cost of a DVD that sells for $22.99 plus a 5% sales tax?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!