2 years ago

HELLO I REALLY NEED HELP WITH THIS QUESTION:

Mathematics

2 answers:

krek1111 [17]2 years ago

8 0

Answer:

They didnt multiply by one half

Step-by-step explanation:

Ostrovityanka [42]2 years ago

5 0

Answer:

It is the 3rd choice, They didn't multiply by one half

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The age of trees in a forest is known to be approximately normal with an average age of 40 years and a standard deviation of 10

Keith_Richards [23]

Answer: D. -0.6

Step-by-step explanation:

Z score formula= x-mean/ SD

34-40/10= -3/5= -0.6

6 0

2 years ago

I need some help please

igor_vitrenko [27]

The answer I got to this was 2.3 but I don't know if that's correct.

8 0

2 years ago

The function g is given in three equivalent forms. Which form most quickly reveals the zeros (or "roots") of the function? Choos

koban [17]

Answer:

C. $g(x) = -2 \cdot (x + 1)\cdot (x+7)$

Step-by-step explanation:

The polynomial form that reveals most quickly the zeroes is the form of a product of binomials. That is:

$g(x) = \Pi\limits_{i=1}^{n} (x-r_{i})$

Where $\Pi$ is the product function and $r_{i}$ is the i-th root of the polynomial.

Hence, $g(x) = -2 \cdot (x + 1)\cdot (x+7)$ resembles a form that is close to the form described above. The right option is C.

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2 years ago

Given the definitions of f(x) and g(x) below, find the value of (gºf)(-5).

jolli1 [7]

Answer:

(g ￮ f)(- 5) = 4

Step-by-step explanation:

evaluate f(- 5) then substitute the value obtained into g(x)

f(- 5) = (- 5)² + 6(- 5) + 3 = 25 - 30 + 3 = - 2 , then

g(- 2) = 2(- 2) + 8 = - 4 + 8 = 4

(g ￮ f)(- 5) = 4

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2 years ago

Write an expression for the sequence of operations described below.

Rainbow [258]

Answer:

A+B=C. C/6=D

Step-by-step explanation:

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