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GaryK [48]
3 years ago
14

I need help with adding and subtracting fractions

Mathematics
2 answers:
solmaris [256]3 years ago
7 0
Answer is 3/72

multiply the denominator and numerator of 3/8 by 9 (27/72)
multiply the denominator and numerator of 3/9 by 8 (24/72)

this is to get the same denominator of 72

then just subtract 
27/72 - 24/72 = 3/72

balu736 [363]3 years ago
4 0
Answer:
The result is 1/24

Explanation:
First step is to get the common denominator:
The common denominator here will be 8*9 = 72
Therefore:
3/8 = 27/72
3/9 = 24/72

Second step is to do the subtraction:
27/72 - 24/72 = (27-24) / 72 = 3/72

The last step is to simplify the result:
3/72 = 1/24

Hope this helps :)
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Negative seven times a number is negative two hundred forty five. what is the number?
Anettt [7]

Answer:

35

Step-by-step explanation:

since i couldn't answer before

7 0
2 years ago
What is the graph of the function f(x) = -x^2+x+20/x+4
mr_godi [17]
F(x) = (-x²+x+20) / (x+4)

-x²+x+20     | x+4
+x²+4x          -x+5
 \\\\ 5x+20
     -5x-20
      \\\\\\\\\
 
 f(x) = (x+4)(-x+5) / (x+4)
 
 f(x) = (-x+5)

The graph is a decreasing line, with origin from 5.



   

3 0
3 years ago
Helppppp pleSeeeeeeeee
Zepler [3.9K]

Answer: C

Step-by-step explanation: Hope this help :D

3 0
3 years ago
Can someone help me understand Slope-Intercept Form for algebra please???
Katena32 [7]

Answer:

the equation of a straight line in the form y = mx + b where m is the slope of the line and b is its y-intercept.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Need the answer to​ this thank you!
Sholpan [36]

Answer:

n = 4

Step-by-step explanation:

Use the explicit formula of a arthmetic sequence: an = a1 + d(n - 1)

a1 = -70

d = -10

an = -100

Do all of the steps and plug all the numbers with the formula.

So -100 = -70 - 10(n - 1)

-100 = -70 - 10n + 10

-100 = -60 - 10n

-100 + 60 = -40

-40 = -10n

-40/-10n = -10n/10

n = 4

So the final answer is n = 4. Just follow all of the steps and you will understand how I got my answer. Hope it helped!

7 0
3 years ago
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