Answer: Option D.
Step-by-step explanation:
this is a quadratic equation of the form:
y = ax^2 + bx + c
First, things you must see.
The graph opens up, so we must have thata a is greater than zero, so we can discard the first option.
Second, we can see that the vertex is located in x ≈ 70
The vertex of a quadratic equation is: x = -b/2a
so we have:
70 = -b/2a
let's try our options and see if we can discard other:
B:
-b/2a = 69.9/2 = 34.95
we can discard this option.
C:
-b/2a = 78/2 = 39 we can discard this option.
D:
-b/2a = 69.9/2*0.5 = 69.9
This is the only one that fits, so this is the correct option.
Answer:
The answer is C
Step-by-step explanation:
All of the other answers have the same domain and range for the function.
Usando proporciones, hay que Luis enviará 160 dólares a su familia.
<h3>¿Qué es una proporción?</h3>
Una proporción es una fracción de la cantidad total, y puede ser encontrada por intermedio de una regla de tres.
En este problema, la regla de tres es dada por:
15 dólares - 8 envíados
300 dólares - n envíados
Aplicando multiplicación cruzada:
15n = 300 x 8
n = (300 x 8)/15
n = 160
Luis enviará 160 dólares a su familia.
Puede-se aprender mas a cerca de proporciones es brainly.com/question/26425852
50% = .50
64 × .50 ⇒ 32.
Answer ⇒ 32.
Hope this helps! *-*
Answer:
62
Step-by-step explanation:
20% as a decimal is 0.2
For each year get the amount of increase by multiplying the number of rabbits by 0.2
Rabbits in 2013:
25 x 0.2 = 5
25 + 5 = 30 rabbits
Rabbits in 2014:
30 x 0.2 = 6
30 + 6 = 36 rabbits
Rabbits in 2015:
36 x 0.2 = 7.2
36 + 7.2 = 43.2
Rabbits in 2016:
43.2 x 0.2 = 8.64
43.2 + 8.64 = 51.84
Rabbits in 2017:
51.84 x 0.2 = 10.368
51.84 + 10.368 = 62.208
= 62 rabbits
