Step-by-step explanation:
The problem is basically asking for the roots, or the x-intercepts. To do this, follow the quadratic formula:
b is the second coefficient(+13)
a is the first coefficient(5)
c is the third coefficient(-6)
When the formula is negative, it just means to flip the sign from a positive to negative or negative to positive. Plug in and simplify.
Answer:
40%
Step-by-step explanation:
52/130 =.4
.4 x 100=40
In this question, you're trying to find the unit rate in which the teacher can grade tests.
A unit rate is another word for "rate of change".
This means that we have to find how many tests the teacher could grade in 1 minute.
To find the unit rate, divide 18 by 15
18 ÷ 15 = 1.2
This means that Mr. Rivera can grade 1.2 tests in 1 minute.
Answer:
1.2 tests
In this question, lindy rounds the population correctly.
The numbers 831,982 and 800000 are both six- digit numbers. But 83000 is a five- digit number.
And 831,982 rounded to nearest lakh is 800000.
Answer:
235
Step-by-step explanation:
