2 years ago

Subtract (2/7 -5/21 ) from the sum of 3/4, 5/7 and 7/12

1 answer:

6 0

2/7 - 5/21 = 6/21 - 5/21 (find common denominator first, then subtract)
6/21 - 5/21 = 1/21

3/4 = 63/84
5/7 = 60/84
7/12 = 49/84

63/84 + 60/84+ 49/84 = 172/84
172/84 - 4/84 = 168/84

The answer is 168/84, or 2. Hope this helped!

You might be interested in

2 + 2 x 0<br><br> Anyone wanna join my pad✨let ?

erik [133]

Answer:

Step-by-step explanation:

6 0

2 years ago

Solve the following equation show your work x^2-4=0

arsen [322]

Answer:

x = 2, x = - 2

Step-by-step explanation:

Step 1:

x² - 4 = 0 Equation

Step 2:

x² = 4 Add 4 on both sides

Step 3:

x = $\sqrt{4}$ Square 4

Answer:

x = 2, x = - 2

Hope This Helps :)

7 0

2 years ago

What is the value of the expression 5b+3c-20+3b-15c+4 when b= 2 and c= -3

Molodets [167]

Answer: 36

Step-by-step explanation:

5(2)+3(-3)-20+3(2)-15(-3)+4

10-9-20+6+45+4

-19+55

3 0

2 years ago

-b+- square root of (b*b) -4ac/2a

Jet001 [13]

This is the quadratic formula.

7 0

3 years ago

Is 42 a factor of 6?

Wewaii [24]

I hope this helps you

42=1.42

42= 2.3.7

42= 6.7

3 0

3 years ago

Read 2 more answers

Subtract (2/7 -5/21 ) from the sum of 3/4, 5/7 and 7/12​

Subtract (2/7 -5/21 ) from the sum of 3/4, 5/7 and 7/12