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Ira Lisetskai [31]
3 years ago
12

giving brainliest to whoever explains best. don't answer if you don't speak english well. don't answer if you're 9 years old. do

n't answer if you don't understand the subject. don't answer anything other than QUESTION C. now stop wasting my points i beg

Mathematics
1 answer:
Marta_Voda [28]3 years ago
8 0

Answer:

Gillmans

Step-by-step explanation:

I feel like gillmans class did better cuz their class didnt have anyone get a score less than 60 but mr athens class had people who got below 50. Although athens class has people over 95 the most were 60-90 while gillmans was 70-90

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Please help with maths (3)
sergeinik [125]
The answer is 42


first change the numbers from scientific notations into numbers.

1.47*10^7= 14700000

3.5*10^5= 350000

now divide the number of sweets by the number of packets. the quotient is the answer

14700000/350000= 42

good luck
5 0
3 years ago
How can you find f(2) if f(x) = -3x2 – 7?
nordsb [41]

Answer: Isolate the variable by dividing each side by factors that don't contain the variable. x=−1/2^2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The graph of y = 1/2 x2 + 2x + 3 is shown. What are the solutions to the equation 1/2 x2 + 2x + 3 = x + 7?
kirill [66]

Answer:

Step-by-step explanation:

Let's organise our information :

  • the function is (1/2)x²+2x+3

we want to khow the value of x that gives us : (1/2)x²+2x+3=x+7

Now the trick is to write this expression as a quadratic equation with zero at one side :

  • (1/2)x²+2x+3=x+7
  • (1/2)x²+2x+3-x-7=0
  • (1/2)x²+x-4=0

Now let's solve this equation :

  • a= 1/2
  • b= 1
  • c= -4

Δ=1²-4*(1/2)*(-4)

 = 9

So we have two solutions :

  • \left \{ {{y=\frac{-1-3}{2*0.5} } \atop {x=\frac{-1+3}{2*0.5} }} \right.
  • y= -4
  • x= 2

So the solutions are -4 and 2

3 0
3 years ago
After living in his house for 15 years, a man sold it for Rs. 7,000 profit and purchased a new
Valentin [98]

Answer:

He paid 5,000 for the old home, which was the original price of it.

And he paid 15,000 for the new home.

Step-by-step explanation

Twice the selling price of his old one, the selling price was 7,000

7,000 * 2 = 14000.

14000 + 1000 = 15000.

15,000 is three times more than he originally paid for his old home.

n Purchased a new one for 1,000 more than twice the selling price.

8 0
3 years ago
Whats an inverse function
vichka [17]

Answer:

In mathematics, an inverse function (or anti-function) is a function that "reverses" another function: if the function f applied to an input x gives a result of y, then applying its inverse function g to y gives the result x, and vice versa, i.e., f(x) = y if and only if g(y) = x.

Step-by-step explanation:


4 0
3 years ago
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