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svetlana [45]
2 years ago
14

How to subtract fractons with unlike denominators

Mathematics
1 answer:
Vladimir79 [104]2 years ago
4 0

Answer:

so first you cross multiply the first fractions' numerator by the other fractions denominator.

and then you do the same for the other one

then you multiply both denominators

the answer u got from cross multiplying, you get those numbers and subtract

them. the denominator doesn't need anything done to it.

Step-by-step explanation:

hope it helps (pls brainliest if u can)

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The sum of ten and the product of 4 and x
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40 is the answer sorry if I’m wrong
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Tickets to the school dance cost $3.00 in advance or $5.00 at the door. There were a total of 184 tickets sold, raising $688. Ho
GenaCL600 [577]
Answer: They sold 68 tickets at the door
688-920= -2x= -232
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5 0
2 years ago
3.<br> The perimeter of a square garden is 12 km. Find its area.
7nadin3 [17]

Answer:

the area of the garden is 9 square kilometers

Step-by-step explanation:

4s=12

s=3

A= 3*3 = 9

3 0
3 years ago
Read 2 more answers
The lengths of the diagonals of rectangle ABCD intersect at E. If AE =x+4 and CE= 3x-12. What is the length of BD?
swat32

Answer:

DB = 24

Step-by-step explanation:

First, note that the diagonals of a rectangle are equal and bisect each other. In other words, DB = CA and CE = EA and DE = BE.

Also, AE + CE = CA

So, using this, we can write this equation:

AE = CE

x + 4 = 3x -12

Subtract 4 from both sides.

x = 3x -16

Subtract 3x from both sides.

-2x = -16

Divide both sides by -2

x = 8

Then, substitute this into AE + CE = CA

x + 4 + 3x - 12 =

8 + 4 + 24 - 12 = 24

Then, because CA = DB,

DB = 24

I hope this helps! Feel free to ask any questions! :)

5 0
3 years ago
Read 2 more answers
If you shift the linear parent function, f(x) = x, down 6 units, what is the equation of the new function?
Colt1911 [192]

Answer:

f(x)=x-6

Step-by-step explanation:

Given : Parent function : f(x)=x

To Find : If you shift the linear parent function, f(x) = x, down 6 units, what is the equation of the new function?

Solution:

Parent function : f(x)=x

Shift the given function down by 6 units.

Rule : The graph f(x) shifts down by b units

So, f(x)→f(x)-b

So, Shift the given function down by 6 units.

So, f(x)→f(x)-6

f(x)=x

So, x→x-6

So, the new function is f(x)=x-6

6 0
3 years ago
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