X^2 - x - 20
(x + 4)(x - 5) <==
x^2 - x - 20.....the last sign, which is negative, tells me that one set is positive and one set is negative. The first sign, which is also negative, tells me that the larger number will be negative. Now u have to find 2 numbers, that when added equal -1 and when multiplied, equal -20....those numbers are -5 and 4. so ur answer is : (x + 4)(x - 5)
Answer: The sales tax would be $2.40
Step-by-step explanation:
Another way of writing any percent would be diving that percent by 100, so 3% would be 0.03 4% would be 0.04 and so forth.
All you have to do is multiply 80 by the decimal of the percent
80 * 0.03 =2.4 or $2.40
Answer:
Joan could make 16 batches of cookies because for each batch of cookies she only needs 1 cup of flour. So she would use 1 cup of flour for each batch and since she has 16 cups she would be able to make 16 batches.
Step-by-step explanation:
Answer:
a. Slope is -2/7
b. b = 1
c. y = 2x + 1
Hope this helps :)
Step-by-step explanation: