f+b=160 and f = 2b+12 can be used to find out the number of football cards and number of baseball cards Joey has.
Step-by-step explanation:
Given,
Total cards Joey have = 160
Let,
f be the number of football cards.
b be the number of baseball cards.
According to given statement;
f+b=160 Eqn 1
The number of football cards, f, is 12 more than twice the number of baseball cards.
f = 2b+12 Eqn 2
f+b=160 and f = 2b+12 can be used to find out the number of football cards and number of baseball cards Joey has.
Keywords: linear equation, variable
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Answer:
Step-by-step explanation:
Given :-
The sum of two numbers is 1 .
The product of the nos . is 12 .
And we need to find out the numbers. So let us take ,
First number be x
Second number be 1-x .
According to first condition :-
Hence the numbers are 4 and -3
Answer:
3/20 is the answer.......
Answer:
Positive
Step-by-step explanation:
Since there are two x-intercepts, -2 and 2, there is a positive discriminant. If the parabola was below the x axis and opened downwards, the discriminant would be negative.
