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stira [4]
3 years ago
6

How to add with unlike denominators?

Mathematics
2 answers:
Westkost [7]3 years ago
7 0
Multiply the bottom you multiply the top with the same number so you will turn 1/2 to 5/10 then you will add ( this is continuing from the 3 dots on the paper

Vlada [557]3 years ago
3 0
Find a common denominator by finding a common multiple. 

for example a common denominator for 1/2 and 1/4 would be 4. 


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Use a formula to find the monthly payment on a home mortgage of $84,400 at 4.884% interest for 15 years.
leonid [27]
The applicable formula is
  A = P(r/12)/(1 -(1+r/12)^(-12n))
where P is the principal amount,
r is the annual interest rate (compounded monthly), and
n is the number of years.

Using the formula, we find
  A = 84,400*(0.04884/12)/(1 -(1+0.04884/12)^(-12*15))
  = 84,400*0.00407/(1 -1.00407^-180)
  = 343.508/0.518627
  ≈ 662.34

The monthly payment on a mortgage of $84,400 for 15 years at 4.884% will be
  $662.34
6 0
3 years ago
What is the LCD of the following rational expressions?
Aloiza [94]
\dfrac{x}{x+1} \ , \  \dfrac{7x}{x-1}

\dfrac{x (x -1)}{(x+1)(x -1)} \ , \  \dfrac{7x(x+1)}{(x-1)(x+ 1)}

<u>We know that (a + b)(a - b) = a² - b²:</u>

\dfrac{x (x -1)}{x^2 - 1}} \ , \ \dfrac{7x(x+1)} {x^2 - 1}

Answer: LCD = ( x + 1) (x - 1)
8 0
3 years ago
Read 2 more answers
a deli sells a sandwich spread for $6.40 per pound. How much do you have to pay for 24 ounces of the spread. (hint: 16 ounces in
ehidna [41]
24 ounces = 1,5pound
1pound= 6,40$
1,5pound=???
you do the math :):)
7 0
3 years ago
Read 2 more answers
60 POINTS FOR THE THISS!!!
Goryan [66]
Yes because they are constant throughout the table.
4 0
3 years ago
Read 2 more answers
No fakes please!<br> Ill give brainliest!!!
Andreas93 [3]

Step-by-step explanation:

1. 5/8 = 62.5%

2. 1/5 = 20%

3. 4 2/3 = 4.66%

8 0
2 years ago
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