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Alex Ar [27]
3 years ago
6

Multiply (3x)(x^2+4x-15)

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
3 0
Use the picture below to see how I did it and got the answer

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Answer 20 and 21 please
weeeeeb [17]

Answer:

20 is unreal numbers and 21 is no solution

Step-by-step explanation:

7 0
3 years ago
Help! Inequalities galore... :(
Dafna1 [17]

Answer:

B) 0>-2/3

Step-by-step explanation:

It is simple, all it is that negative counting system is the opposite of the positives, so for Ex. -4<-3

5 0
3 years ago
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A discount airline sells a certain number of tickets, x, for a flight for $90 each. It sells the number of remaining tickets, y,
yKpoI14uk [10]

Answer:

x+y= 120

90x+250y=27,600

Step-by-step explanation:

x= number of certain tickets

y= number of remaining tickets

The statement indicates that for a particular flight the airline sold 120 tickets which means that the sum of the different tickets is 120. The first equation is:

x+y= 120

Then, the statement says that certain number of tickets costs $90 and the remaining tickets cost $250 and that for a particular flight, the airline collected $27,600. From this, you can say that the number of certain tickets, x, multiply for its price that is $90 plus the number of the remaining tickets, y, multiply for its price that is $250 would be equal to $27,600. The equation would be:

90x+250y=27,600

According to this, the answer is that the system of equations that represents this relationship between x and y is:

x+y= 120

90x+250y=27,600

7 0
4 years ago
27 + 5 x 6 A Little Problem With this so some help please?
Kay [80]

Answer:

57

Step-by-step explanation:

1) According to PEMDAS, <em>multiply </em>first: 27+ 5x6= 27+30

2) Then <em>add</em>: 27+30=57

3 0
4 years ago
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Elizabeth ships a gift through the mail. The gift weighs 8 pounds 11 ounces. She packs the gift in a shipping box with bubble wr
Bogdan [553]

Answer:

3lbs 9 ounces

Step-by-step explanation:

16 ounces in a pound

7 0
3 years ago
Read 2 more answers
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