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iren [92.7K]
2 years ago
13

Simplify the following expression:

Mathematics
2 answers:
elena-s [515]2 years ago
6 0

Answer:

3x^2-15y-10x

Step-by-step explanation:

2x-12x-8y+7y+3x^2

-10x-15y+3x^2

3x^2-15y-10x

Brilliant_brown [7]2 years ago
6 0

Answer:

Step-by-step explanation:

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A number, half of that number, and one fifth of that number are added. The result is 51. What is the original number?
Lera25 [3.4K]
Let the original number be ‘x’
Then half of that number= 1/2x or simply x/2
Similarly one fifth of that number = x/5
According to the question
x+x/2+x/5=51
Taking LCM
10x/10+2x/10+5x/10=51
Multiplying 10 throughout
10x+2x+5x=510
17x=510
x=510/17
Therefore x=30
7 0
3 years ago
Refer to the scenario below to answer the following question.
baherus [9]

Answer:

Tom's profit is 43,000.

Step-by-step explanation:

8 0
3 years ago
Hector, Sam, Ted, and Gina are comparing their savings. Hector saved twice as much money as Sam. Ted saved $100 more than Hector
lutik1710 [3]

Answer:

2x+50

Step-by-step explanation:

Given: Hector saved twice as much money as Sam.

           Ted saved $100 more than Hector.

           Gina saved $50 less than Ted.

As given, lets assume the amount of money Sam has in saving be "x".

Now, finding saving of each person given.

Writing the algebric expression of each´s saving amount.

we know, Hector saved twice as much money as Sam.

∴ Hector saving= \$2x

Also, Ted saved $100 more than Hector.

∴ Ted´s saving= \$(2x+100)

Next finding Gina´s saving

As given, Gina saved $50 less than Ted.

∴ Gina´s saving= \$ (2x+100)-\$ 50

Opening parenthesis and solving it.

⇒ Gina´s saving= \$ 2x+\$50

Algebric expression of Gina´s saving= 2x+50

5 0
3 years ago
Plz help me out again thanks!!
Leya [2.2K]

Answer:

303.2 cubic inches

Step-by-step explanation:

20.6in × 3.8in ×2.9in + 3.7in × 7.1in × 2.9in

= answer

5 0
2 years ago
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Julie Meyer is the manger for Ace trucking company.during December she worked 165 hours earning 27 an hour.what was her straight
OlgaM077 [116]
The answer is 4,455. 27×165=4,455.
8 0
3 years ago
Read 2 more answers
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