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SIZIF [17.4K]
3 years ago
13

I am stuck on this please help!

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
7 0

Answer:

<h2>20 {x}^{3}  - 36 {x}^{2}  + 7x +  3</h2>

Solution,

(5x + 1)(2x - 1)(2x - 3)

= 5x(2x - 1) + 1(2x - 1) \times (2x - 3)   \\  = (10 {x}^{2}  - 5x + 2x - 1)(2x - 3) \\  = (10 {x}^{2}  - 3x - 1)(2 x - 3) \\  = 10 {x}^{2} (2x - 3) - 3x(2 x - 3) - 1(2x - 3) \\  = 20 {x}^{3}  - 30 {x}^{2}  - 6 {x }^{2}  + 9x - 2x + 3 \\  = 20 {x}^{3}  - 36 {x}^{2}  + 7x + 3

Hope this helps..

Good luck on your assignment...

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77julia77 [94]

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2 years ago
Write an expression thar can ve used to sgiw the total cost,C, of all tickets
k0ka [10]
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8 0
2 years ago
2x + y = 2<br><br> x – 2y = -4<br><br> what is x and y?
sergiy2304 [10]

Answer:

x = 0

y = 2

Step-by-step explanation:

2x + y = 2 (Multiply by 2)

x – 2y = -4

4x + 2y = 4

x – 2y = -4

5x = 0

x = 0

2x + y = 2

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5 0
3 years ago
alex purchased 20,000 for a new car. The cars value depreciates 7.25% each year. What will be the value of the car five years af
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8 0
3 years ago
A one-way train ticket from New York to Los Angeles costs $197 for a reclining seat, and $490 for a twin-sharing room. How much
Alex777 [14]

The total cost if x passengers booked reclining seats and one fifths y passengers booked twin-sharing rooms is (197x + 98y) dollars

<em><u>Solution:</u></em>

Given that,

Cost for reclining seat = $ 197

Cost for twin sharing room = $ 490

We have to find the cost if x passengers booked reclining seats and one fifths y passengers booked twin-sharing rooms

<em><u>Cost for reclining room when "x" passengers booked is:</u></em>

Cost for reclining room = $ 197x

<em><u>Cost when One fifths y passengers booked twin-sharing rooms</u></em>

Cost for twin sharing room = \frac{1}{5} \times y \times 490

Cost for twin sharing room = 98y

<em><u>Total cost is given as:</u></em>

Total cost = Cost for reclining room "x" passengers + Cost for twin sharing room for one fifths y passengers

Total\ cost = 197x + 98y

Thus total cost is (197x + 98y) dollars

4 0
3 years ago
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