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lorasvet [3.4K]
3 years ago
12

Hey can you please help me posted picture of question

Mathematics
1 answer:
GalinKa [24]3 years ago
5 0
The given equation is:
 ax2 + bx + c = 0
 We have the resolvent is:
 x = (- b +/- root (b2 - 4ac)) / (2a)
 The discriminant is:
 b2 - 4ac = 0
 The solution will be:
 x = (- b) / (2a)
 Thus, the equation has a real solution.
 Answer:
 
option B
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A function is given. f(x) = 5x − 7; x = 2, x = 3 (a) determine the net change between the given values of the variable.
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7 0
3 years ago
You have 2 positive numbers. One number is one-fifth of the other number. The difference between the two numbers is 228, find th
liberstina [14]

Hey there! I'm happy to help!

Let's call these numbers x and y and model the information we have.

x=1/5y

y-x=228 (we see that x is smaller than y in the first equation, so we put it second )

We see that x is equal to 1/5y. We can switch the x in the second equation with 1/5y and solve for y.

y-1/5y=228

4/5y=228

We divide both sides by 4/5.

y=285

We know that x is 1/5 of y, so we divide by 5.

285/5=57

x=57

So, our numbers are 57 and 285.

Have a wonderful day! :D

7 0
3 years ago
5. The bus fair oe 8 passangers is Rs 640 If the fair decreased by Rs 5 per passanger How many passangers can travel for Rs 900
Luda [366]

Answer:

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Step-by-step explanation:

see the above attachment.

if you face any problem comment me, I am there for help.

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