Answer:
n = -2
Step-by-step explanation:
if n is the number, n is 7 more than -9, which means n - 7 = -9
n = 7 - 9 = -2
4x^2-5x=-1
4x^2-5x+1=0
4x+2.24x=1
6.24x=1
x= 0.16025641025641025641025641025641
Answer:
Linear decreasing
Step-by-step explanation:
we know that
In the interval A we have a linear increasing function, because is a line and the slope is positive (as the value of x increases the value of y increases and as the value of x decreases the value of y decreases)
In the interval B we have a linear constant (the value of y is the same for all values of x)
In the interval C we have a linear decreasing function, because is a line and the slope is negative (as the value of x increases the value of y decreases and as the value of x decreases the value of y increases)
In the interval D we have a linear increasing function, because is a line and the slope is positive (as the value of x increases the value of y increases and as the value of x decreases the value of y decreases)
therefore
Interval C is a linear decreasing
Answer:
18
Step-by-step explanation:

That will give you 18 which is the answer
First of all, you add 1/3 and 4/5, so you get:

To add 2 fractions, they need to have the same denominator. Since 3 and 5 don't have a common factor, so you multiply 1/3 by 5, and 4/5 by 3, so you get:


Now, the two fractions got the same denominator, and you can add them by adding the numerators over the same denominator. (You don't add denominators in addition) so you get:


That's the sum of 1/3 + 4/5.
Now, they want the sum of the 2 fractions 7 times. So you multiply 17/15 by 7. And as you know, 7 = 7/1. So you get:

In multiplication no need to have the same denominator. You multiply nominators by nominators and denominators by denominators. So you get:


Since 119 and 15 don't have a common factor, so they can't be simplified.
So, the answer is 119/15.
Hope this Helps! :D