The cedar trail is 2 7/8 miles long and the maple trail is 1 1/2 miles long how much longer is cedar trail than the maple trail

1 answer:

4 0

2 and 7/8 is the same as 23/8. 1 and 1/2 is the same as 3/2, which is the same as 12/8. 23/8 minus 12/8 equals 11/8, which is your answer.

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Need help to understand how to do this.

Kobotan [32]

Answer: -1(x+2)^2+10

Step-by-step explanation:

1. The coefficient of -x^2 is just the number in front, which in this case would be a = -1 So now the function is -1(x^2+4x)+6 since negative one has been factored out of the first two terms.

2. Half of the coefficient of x would be 2 since x has a coefficient of 4, and half pf 4 is 2. Squared, it is 4. That will be added inside the bracket. Subtracted on the outside is the same equation but multiplied by a, which we found out was -1 in the beginning. So, the function becomes -1(x^2+4x+4)+6-(-4).

3. Factor the inside equation to find that it’ll become (x+2)^2, and simplify the outside to get 10. The function will now be;

f(x)=-1(x+2)^2+10

Hope that made sense and make sure to check just in case I did the math wrong :]

8 0

1 year ago

Nathaniel purchases a one-year membership pass to an art museum. As a member, he receives a discounted entrance fee. The total c

wolverine [178]

It's a linear function with y-intercept = 12.

The slope-intercept form:

$f(x)=mx+b\\\\m=\dfrac{y_2-y_1}{x_2-x_1}$