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topjm [15]
3 years ago
13

HURRY PLEASE 100 POINTS WILL GIVE BRAINLIEST

Mathematics
2 answers:
kompoz [17]3 years ago
6 0

Answer:

We can add and subtract rational expressions in much the same way as we add and subtract numerical fractions. To add or subtract two numerical fractions with the same denominator, we simply add or subtract the numerators, and write the result over the common denominator.

Blizzard [7]3 years ago
6 0

Answer:

To add or subtract two rational expressions with the same denominator, we simply add or subtract the numerators and write the result over the common denominator.

When the denominators are not the same, we must manipulate them so that they become the same. In other words, you must find a common denominator.

Step-by-step explanation:

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1.25a+3>0.5a-6 and 2.5a-1>=9-1.5a
exis [7]

The solution to the compound inequality given as: 1.25a+3>0.5a-6 and 2.5a-1>=9-1.5a is a > -12 and a>= 2.5

<h3>How to determine the solution to the compound inequality?</h3>

The compound inequality is given as:

1.25a+3>0.5a-6 and 2.5a-1>=9-1.5a

Rewrite the compound inequality properly as follows

1.25a + 3 >0.5a - 6 and 2.5a - 1 >= 9 - 1.5a

Collect the like terms in the above compound inequality

1.25a - 0.5a > -3- 6 and 2.5a + 1.5a  >= 9 + 1

Evaluate the like terms in the above compound inequality

0.75a > -9 and 4a>= 10

Divide both sides by the coefficient of the variable term in the above compound inequality

a > -12 and a>= 2.5

Hence, the solution to the compound inequality given as: 1.25a+3>0.5a-6 and 2.5a-1>=9-1.5a is a > -12 and a>= 2.5

Read more about inequality at:

brainly.com/question/24372553

#SPJ1

8 0
2 years ago
The cost CC (in dollars) of making nn watches is represented by C=15n+85C=15n+85. How many watches are made when the cost is $38
dangina [55]
\bf \stackrel{cost}{C}=15\stackrel{watches}{n}+85\qquad \boxed{C=385}\qquad \stackrel{cost}{385}=15n+85&#10;\\\\\\&#10;380=15n\implies \cfrac{380}{15}=n\implies \cfrac{76}{3}=n\implies 25\frac{1}{3}=n

so, 25 whole watches and hmmmm just the wristband of another maybe.
5 0
3 years ago
The ratio of passenger cars to cargo cars in
KonstantinChe [14]

44 cars

hope it helps....!!!

5 0
2 years ago
The cost for groceries was $11.20 before sales tax. How much was the total cost of groceries after the 5% sales tax was charged?
AveGali [126]
To convert a percentage to a decimal we divide it by 100. So, 5% = .05

To find the tax, multiply the cost by the tax rate

(.05)(11.20) = 0.56

Add this to the cost to get the total

$11.20 + $0.56 = $11.76

4 0
3 years ago
Read 2 more answers
Joey and Armando live on the same street as a city park. The park is 9/10 mile from Joey’s home. Joey leaves home and walks to A
expeople1 [14]
Chang 3/5 to 6/10 than add 6/10+9/10 the top numbers together and that would be 15/10. than / by 5 witch = 3/2
5 0
3 years ago
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