I just had this question choose "d" hope it helps
Answer:
n = 16
Step-by-step explanation:
Step 1: Cross multiply
6(n - 7) = 2(2n - 5)
Step 2: Distribute
6n - 42 = 4n - 10
Step 3: Subtract 4n on both sides
2n - 42 = -10
Step 4: Add 42 to both sides
2n = 32
Step 5: Divide both sides by 2
n = 16
Solve the first for y
y=13x-90 and the second is y=x^2-x-42
When there is/are solutions y=y so we can say:
x^2-x-42=13x-90 subtract 13x from both sides
x^2-14x-42=-90 add 90 to both sides
x^2-14x+48=0 expand so that it is easy to factor...
x^2-6x-8x+48=0 now factor 1st and 2nd pair of terms
x(x-6)-8(x-6)=0
(x-8)(x-6)=0
So there are two solutions, when x=6 and 8.
Using either original equation we can find the corresponding values for y. I'll use y=13x-90 because it is easier...
y(6)=-12, y(8)=14 so the two solutions are the points:
(6,-12) and (8,14)
Hi there!
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I believe your answer is:
65% has the greater value.
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Here’s why:
- We can convert both numbers into decimals and then compare the values.
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Hope this helps you. I apologize if it’s incorrect.
(x-k)²+(y-h)²=r²
is the standard formula for the circle where (k,h) is the center point.
(-5, 7) are the center point of the given equation.