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
Lubov Fominskaja [6]
2 years ago
7

Solve the equation by finding the common multiple.

Mathematics
2 answers:
EastWind [94]2 years ago
8 0

Answer:

15/20(=3/4)

Step-by-step explanation:

3/4-2/5+8/20=...

15/20-8/20+8/20=15/20

VARVARA [1.3K]2 years ago
6 0

Answer:

15/20 or fifteen twentieths

Step-by-step explanation:

3/4 -2/5 + 8/20 = ?

make all the denominators 20 because 4 and 5 are factors of 20

15/20-8/20+8/20 =

15/20 - 0 =

15/20 or fifteen twentieths

You might be interested in
Choose the correct slope of the line that passes through the points (1, −3) and (3, −5). I NEED HELP ASAP
Degger [83]
The slope would be:
-5--3/3-1
-2/2
-1

Slope = -1
6 0
3 years ago
Simplify: sin^2xcos^2x-cos^2x
shtirl [24]

Answer:

-cos^4(x)

Step-by-step explanation:

Step 1: Use the Pythagorean identity : 1=cos^2(x) + sin^2(x)

1-sin^2(x) = cos^2(x)

-1+sin^2(x) = -cos^2(x)

cos^2(x) (-cos^2(x))

Step 2: Factor out common terms cos^2(x)

cos^2(x) (sin^2(x)-1)

Ans: -cos^4(x)

8 0
2 years ago
Solve for the system of liner equations by substitution. <br> X+4y= -1 <br> -3x-14=y
dem82 [27]
X=12x+55
y=-3x-14
simplfy to the right side
6 0
3 years ago
6. Find OR.<br> 2<br> 3x + 22<br> 10x - 41
Sever21 [200]
3x+22=10x-41
-22 -22
----------------------
3x=10x-63
-10x -10x
-----------------
-7x=-63
divide by -7 on both sides
yep ur right its x=9
4 0
3 years ago
Please find the answers below
spayn [35]

Answer:

option 3 is the correct.....

Step-by-step explanation:

multiplying all the algebraic expressions

volume of cuboid = 3x (x+3)(x+1)

= 3x³ + 12x² + 9x

3 0
2 years ago
Other questions:
  • Kurt is taking a roadtrip and has of his total distance left to travel. He plans to travel the remaining distance in 5 hours. Wh
    13·2 answers
  • Please help ASAP! THANKS<br>WILL MARK BRAINLIEST
    11·1 answer
  • There are 3 times as many children as adults at the zoo. Complete the table with possible combinations of adults and children an
    12·2 answers
  • What does b equal?<br> I need help on this lol
    15·2 answers
  • Find the measure of a 3.<br> ts<br> 43<br> 90°<br> &lt;&lt;<br> 43 = [?]
    9·2 answers
  • Can someone Solve: 2x^2/3 = 8
    6·1 answer
  • What is the standard equation of the circle in the diagram? ^
    13·1 answer
  • Help with this please!!!
    7·1 answer
  • Probability of rolling exactly 1 odd number when 3 6-sided dice are rolled
    13·1 answer
  • What is the common ratio to 1,5,25,125
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!