If a binomial x-a is a factor of a polynomial p(x), then p(a)=0.
x+2 is a factor of p(x)=x³-6x²+kx+10, so p(-2)=0.
If you add the two purchases, you find 9 hotdogs and 9 hamburgers cost 24.75. One hotdog and one hamburger will cost 1/9 of that total, or 2.75.
... One hotdog and one hamburger costs $2.75.
_____
This is what your question asks. Usually, we want to know the individual costs of the items. If we multiply this total by 5, then we have the cost of 5 hotdogs and 5 hamburgers: 13.75. This $1.75 more than the cost of 5 hotdogs and 4 hamburgers, so the cost of a hamburger must be $1.75
... One hotdog costs $1.00
... One hamburger costs $1.75
Answer: 25
Step-by-step explanation:
Answer:
70%.
Step-by-step explanation:
Rearrange the inequality to isolate
. Start by subtracting
from both sides of the inequality:
,
.
Divide both sides by
. (Keep in mind that if the multiplier or divisor is smaller than zero, it will flip the inequality sign.)
.
There are ten numbers in this set. Only seven of them will satisfy this inequality. Note that the "
" symbol means strictly greater than (while "
" means greater than or equal to.) As a result,
will not count as a solution.
Assume that the number is picked randomly.
.