Y = 3x + 4 What is the y-intercept? What is the slope?
2 answers:
Answer:
See below:
Step-by-step explanation:
Hello! I hope you are having a nice day! My name is Galaxy and I will be helping you today.
We can solve this problem in a single step, I'll start off with that.
When we look at the problem, we can see that its written in form in which
is the slope and
is the y intercept.
Since we know this, we can find the slope and y intercept of your problem:
Therefore, the slope is 3 and the y intercept is .
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ok.. hmm what's 6% of a? well, (6/100) * a or 0.06a.
what's 7.5% of b? well, (7.5/100) * b or 0.075b.
now... we know, whatever "a" and "b" are, they total the investment of 5000 bucks, thus a + b = 5000
and the interest yielded was 337.50, thus 0.06a + 0.075b = 337.50
thus
solve for "a", to see how much was invested at 6%.
what about "b"? well, b = 5000 - a.
ok.. hmm what's 6% of a? well, (6/100) * a or 0.06a.
what's 7.5% of b? well, (7.5/100) * b or 0.075b.
now... we know, whatever "a" and "b" are, they total the investment of 5000 bucks, thus a + b = 5000
and the interest yielded was 337.50, thus 0.06a + 0.075b = 337.50
thus
solve for "a", to see how much was invested at 6%.
what about "b"? well, b = 5000 - a.