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quester [9]
3 years ago
7

Match the subtraction expressions with their answers.

Mathematics
2 answers:
lyudmila [28]3 years ago
6 0

Answer:

1. (a² - b)/(a³b²)= 1/ab² - 1/a²b

2. (b - a)/a³b³ = 1/a³b² - 1/a²b³

3. (2 - ab²)/(a²b³) = 2/a²b³ - 1/ab

4. (2 - a)/a³b³ = 2/a³b³ - 1/a²b³

Step-by-step explanation:

To do this we'll break down fraction to least term through division.

The solution is as follows

1. (a² - b)/(a³b²)

Splitting the fraction;

a²/a³b² - b/a³b²

= 1/ab² - 1/a²b

2. (b - a)/a³b³

Splitting the fraction.

b/a³b³ - a/a³b³

1/a³b² - 1/a²b³

3. (2 - ab²)/(a²b³)

Splitting the fraction.

2/a²b³ - ab²/a²b³

2/a²b³ - 1/ab

4. (2 - a)/a³b³

Splitting the fraction

2/a³b³ - a/a³b³

2/a³b³ - 1/a²b³

alexira [117]3 years ago
5 0

Answer:

the order is

2,4,1,3

(the 1st answer is the 2nd option)

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Alvin's age is three times elga's age. the sum of their ages is 32 . what is elga's age
jeyben [28]
Alvin is 24 and Elga is 8. sorry I'm late

6 0
3 years ago
-3(4x − 2) = 6x + 14 ​
AnnZ [28]

Answer:

x = -4/9

Step-by-step explanation:

-3(4x − 2) = 6x + 14 ​

Distribute

-12x+6 = 6x+14

Add 12x to each side

-12x+6+12x = 6x+14+12x

6 = 18x+14

Subtract 14 from each side

6-14 = 18x

-8 =14x

Divide each side by 14

-8/14 = 14x/14

-4/9 = x

4 0
3 years ago
Read 2 more answers
The scale model of a skyscraper being built is 4.2 feet tall. When it is finished, the skyscraper will be 525 meters tall. What
luda_lava [24]
There are two scales that may be possible for this scale model; one where it's for every foot and one where it's for every meter.
The for every foot would be better to find out since the scale would be easier to use.
First, you have to divide each sided by 4.2, since you want to find how many meters for each foot.
4.2 \div 4.2 = 1 \\ 525 \div 4.2 = 125
For every 1 foot used in the model, the actual will be 125 meters.
1 ft = 125 m
8 0
3 years ago
I need help with this please
lorasvet [3.4K]
Rectangle = 8x16 = 128
Triangle = (1/2)(3)(6) = 9

Area of the irregular shape = 128 + 9 137 sq ft
6 0
3 years ago
Can someone answer this question please?
Leni [432]

Answer:

b\leq-28/9

Step-by-step explanation:

5+9b\leq-23

5+9b=-23

9b=-28

b=-28/9

4 0
3 years ago
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