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Olegator [25]
2 years ago
9

What percent of gas stations sell a gallon of regular gas for less than $1.97?

Mathematics
1 answer:
ANEK [815]2 years ago
6 0

Answer:

Step-by-step explanation:

That's just about impossible to determine...

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The solution to 7x = 42 is x = ___.<br> 4<br> 5<br> 6<br> 7
Veseljchak [2.6K]
When you are solving for x, divide the 42 by 7. the x value equals 6.
4 0
3 years ago
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How do I solve 4cos^2 x -1=0
tekilochka [14]
(cosx)^{2} = 1/4 <=> cosx = +1/2 or cosx = -1/2;
cosx = +1/2 => x = +π/3 + 2kπ, where k is an integer or x = -π/3 + 2kπ, where k is an integer;
cosx = -1/2 => x = +2π/3 + 2kπ, where k is an integer or x = -2π/3 + 2kπ, where k is an integer;
5 0
3 years ago
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X squared+6x+5 what is this factorise
NISA [10]
Well, your question is basically;
x²+6x+5
   Well first you have to find two numbers that when added will give you +6 and when multiplied will give you 5. Well, in this case, the numbers are; (+1 and +5). So you add them to the equation. So;
x²+1x+5x+5
  Hope you noticed that 6x was removed. Anyway;
   You have to put the equation in two brackets with two terms in each
(x²+1x)+(5x+5)
   Next, you bring out what is commom in each bracket and use it to divide what is in the bracket
x(x+1)+5(x+1)
   Now you notice that the two things in the bracket are the same. They have to be.
Next, you put the terms outside the bracket together and choose one of the terms in a bracket. So;
(x+5) (x+1)
     So the equation factorised is (x+5) (x+1). But if you want to go ahead to find x, then you can say;
(x+5)                             (x+1)
x+5=0                             x+1=0
Take the +5 over            Take the +1 over the equal to, where it becomes -1. So;
the equal sign where      x=-1
it becomes -5. So;
x=-5                        OR    x=-1
   By the way, here's a little secret, the answers are always the opposite of the two numbers chosen at the beginning(+1 and +5). Hope i helped. If you have any more problems, let me know.
4 0
3 years ago
You go to see family in another city. So far you have gone 120 miles. The total trip is 360 miles. What fraction of the total tr
Elena L [17]

Answer:

1/3

Step-by-step explanation:

120/360 = 12/36 = 2/6 = 1/3

6 0
3 years ago
Write a recursive definition for the sequence 14, 10, 6, 2...
VladimirAG [237]
The general form of recursive definition for arithmetic sequence:
a_{n}=a_{1}+d(n-1)

So, what we need to do is to find a_{1} and d.
a_{1}=14
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Having found these two values we can now define our recursive sequence:
a_{n}=14-4(n-1)
a_{n}=14-4n+4
a_{n}=18-4n
7 0
3 years ago
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