Y = 3/2 t - 5/2 ; where t = 3
Substitute t by its value. the nearness of 3/2 to t denotes multiplication.
y = (3/2 *3) - 5/2
3 is a whole number. it is 3/1 in fraction form.
In multiplying fractions, simply multiply the numerator and the denominator.
y = (3*3 / 2*1) - 5/2
y = 9/2 - 5/2
Subtracting fractions: We can only subtract or add fractions if they all have the same common denominator. Since both fractions have 2 as denominator, we can proceed to subtracting its numerators.
y = (9-5)/2 *subtract numerators and place over the common denominator
y = 4/2 * simplify the fraction.
y = 2/1 or 2
Proportional means that if one increases so does the other eg volume of a balloon increases if you heat it - heat is proportional to volume in gases.
Non proportional means that they don't have a similar relationship.
Answer:
between 0&1 and 2&3
Step-by-step explanation:
(Assuming that f(x) = 2x^2 - 5x + 1)
To solve this question we just need to find the zeros of the function f(x), and we do that by making f(x) = 0 and finding the values of x:
2x^2 - 5x + 1 = 0
Now we can use Bhaskara's formula:
Delta = b^2 - 4ac = 25 - 4*2 = 17
sqrt(Delta) = 4.12
x1 = (5 + 4.12) / 4 = 2.28
x2 = (5 - 4.12) / 4 = 0.22
the zero x1 = 2.28 is between 2 and 3, and the zero x2 = 0.22 is between 0 and 1, so the answer is 'between 0&1 and 2&3'
As the options A, B, C and D are not clear in the question text, you can just mark the option that has this result.
-9/5 -(-9/5) is has the value of 0.
Percent means parts out of 100
so
1/5=0.20
chris+em+jam=100%=1
0.20+0.27+jam=1
0.47+jam=1
minus 0.47 both sides
jam=0.53
jam=53/100
jam=53%
jamie ate 53%
