2 years ago

Scientist wants to estimate the puffin population on puffin island

1 answer:

8 0

Answer:

The cliffs are home to many seabirds. Despite its name, there are few puffins (around 50 pairs during the April-July breeding season).

Step-by-step explanation:

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Find the vertex of this parabola.<br><br><br><br> y = -2x2 + 4x + 12

STatiana [176]

For this case we have the following equation:
$y = -2x ^ 2 + 4x + 12
$
Deriving we have:
$y = -2x ^ 2 + 4x + 12

y '= -4x + 4$
We match zero:
$-4x + 4 = 0
$
We clear the value of x:
$4x = 4

x = 4/4

x = 1$
Then, we substitute the value of x in the equation of the parabola:
$y = -2 (1) ^ 2 + 4 (1) + 12

y = -2 + 4 + 12

y = 14$
Thus, the vertex of the parabola is the ordered pair:
$(x, y) = (1, 14)$
Answer:
The vertice is:
$(x, y) = (1, 14)$

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3 years ago

Janine has two important tests to study for. If she plans to divide her study time equally between both tests, how long should s

docker41 [41]

90/2 = 45
45 minutes each.

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3 years ago

Read 2 more answers

PLEASE HELP

natima [27]

Answer:

x= 5/8

Step-by-step explanation:

7 0

2 years ago

Mr. Seidel filled up his 14 gallon gas tank for 29.26. What was the price per gallon?

mr_godi [17]

It would be $2.09 if you are dividing

6 0

3 years ago

Read 2 more answers

En un curso hay 11 mujeres y 13 hombres. Si se eligen dos alumnos para representarlos en el campeonato de debate, ¿cuál es la pr

Tresset [83]

Answer:

106.34%

Step-by-step explanation:

hay 24 personas en total (11 mujeres+13 hombres)

la probabilidad para que uno de los alumnos es un hombre es 13/24 (porque hay 13 hombres en la clase)

Entonces, si uno hombre está elegido, quedan 12 hombres, así que, la probabilidad si es un hombre es 12/23 (porque una persona ya está elegido y quedan 23 personas)

la probabilidad es 13/24+12/23=587/552=106.34% (Redondeado a la décima más cercana)

(lo siento mi español no es perfecto)

8 0

2 years ago