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
cluponka [151]
4 years ago
15

Which is the difference of 21 1/4 - 18 2/4? A:2 1/4. B:2 2/4. C:2 3/4. D:3 1/4.

Mathematics
1 answer:
seropon [69]4 years ago
3 0

Answer:

2 3/4 C

Step-by-step explanation:

(21+\frac{1}{4})-(18+\frac{2}{4})\\=21-18+\frac{1}{4} -\frac{2}{4} \\=3-\frac{1}{4} \\=\frac{12-1}{4} \\=\frac{11}{4} \\=2\frac{3}{4} \\or\\21\frac{1}{4} -18\frac{2}{4} \\=\frac{85}{4} -\frac{74}{4} \\=\frac{85-74}{4} \\=\frac{11}{4} \\=2\frac{3}{4}

You might be interested in
Use the long division method to find the result when 3.23 + 8x2 + 9x + 10 is<br> divided by x + 2
Oksanka [162]

The result of the division of polynomial <em>3.23 + 8x2 + 9x + 10</em> by <em>x + 2</em> is; 3x² + 2x +5

<h3>Long division of polynomials</h3>

According to the question given;

  • The result of the long division of polynomials can be evaluated as in the attached image.

By observation of the procedures in the attached image, we may conclude that the expressions (x+2) and (3x² + 2x +5) are factors of; 3x³ + 8x2 + 9x + 10

Learn more on polynomials division;

brainly.com/question/24662212

5 0
2 years ago
Train A arrives at central station on the hour and every 12 minutes. Train B arrives on the hour and every 15 minutes. When do b
Lapatulllka [165]
<span>2________24___________30
3________36___________45
4________48___________60
5________60, found common minute count. 

</span><span>60 minutes.</span><span>__________A____________B
__________0____________0
1________12___________15
</span>
3 0
3 years ago
A bar of copper has a mass of 216 g and a volume of 24 cm. what is the density of copper
Karo-lina-s [1.5K]
This is how I found the answer

3 0
3 years ago
It seems like I can’t see the answers so if you commented, comment again! Thanks :)
just olya [345]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Angle  \:  \: 4 = 100°

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

8 0
3 years ago
Please please help me with this
BartSMP [9]

Answer:

x = 5

Step-by-step explanation:

Just use the Pythagorean Triangle:

13^2 - 12^2 = x^2

x^2 = 25

x = 5

5 0
3 years ago
Read 2 more answers
Other questions:
  • 1. Choose the correct solution to the equation: 3(n-1)=5n +3-2n
    9·1 answer
  • Another way to write 20,000 tons
    15·2 answers
  • If m = 21 and n = 5, what is the value of the following expression?<br><br> m - 3 • n + 2
    9·1 answer
  • The slope of the line whose equation is 3x - 2y = 4 is 2/3 3/2 -2
    14·1 answer
  • What are the coefficients for the binomial expansion of (p+q)^6
    5·2 answers
  • The distance from the center of a circulartrashcan to the edge of the trashcan is 15 inches.What is the area of the top of the t
    8·1 answer
  • What is the volume of the prism?
    10·1 answer
  • What is 2 15/16 Ian’s a decimal?
    7·1 answer
  • HELP PLZZZZZZZ with #1
    15·1 answer
  • If we add two equations in the original system, we have 6x+7y=32. Explain why the same (x,y) pair is also a solution to the equa
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!