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Triss [41]
2 years ago
8

If f(x)=5x-2 and g(x)=2x1 find (f+g)(x)

Mathematics
1 answer:
kondaur [170]2 years ago
3 0

Answer:

D

Step-by-step explanation:

5x-2+2x+1

5x+2x+1-2

7x-1

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the price of an article is Marked 25% above the cost price .if it is solid the profit of Rs.500 after allowing 15% discount .wha
gavmur [86]

Answer:

  Rs 8500

Step-by-step explanation:

For a cost price of c, the marked price is ...

  marked = c +25%·c = 1.25c

After the 15% discount, the sale price will be ...

  s = marked -15%·marked = 0.85·marked = (0.85)(1.25c) = 1.0625c

The profit will be the difference between the sale price s and the cost c:

  p = s -c

  500 = (1.0625c) -c = 0.0625c

Then the cost is ...

  500/0.0625 = c = 8000

and the sale price is ...

  s = c +p = 8000 +500 = 8500 . . . rupees

The selling price will be Rs 8500.

8 0
3 years ago
What is 65.5 percent as a decimal
adell [148]

<u>Answer:</u>

65.5/100 = 0.665

<u />

<u>Step-by-step explanation:</u>

*Hope this helps*

4 0
3 years ago
ASAP!! What is the parabola’s line of symmetry? <br> y-axis <br> x-axis <br> x = p <br> x = -p
Nat2105 [25]

Answer:

y-axis

Step-by-step explanation:

..................

3 0
3 years ago
A Crane Lifts a load of 4000N to a height of 20m in 5 seconds. Calculate the power of the Crane in horse power​
Digiron [165]

Answer:

2.54379284 hp.

Step-by-step explanation: Torque is defined as the engines rotational force.  First we find the distance =  m in equation- then we use the formula Power = work/time = 16.7/ 5 = 3.34 and Horsepower formula is given by. Horsepower = (Torque × Speed) / 5252. HP = (3.34 × 4000) / 5252. HP = 13360/5252. HP = 2.54379284 hp.  

Given :    W=4000    m=?        h=20 m                      

Time of operation         t =5 s

Work done in lifting a box            W=mgh= ? ×12×20=4000 = m = 4000/240=16.6666667 = 16.7KG

Power required         P=  W/t   =  w/p = 120000/120 =1000 watts    We divide 60/5 = 120 then divide by 10 = 12 (being g)

3 0
3 years ago
Please help asap 50 pts
kozerog [31]
I believe the answer is C. If you were to plug in 1 for t, you would get h=22. Thus, the max height is 22 feet, and the time it took to get there was 1 second.
7 0
3 years ago
Read 2 more answers
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