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2 years ago

Graph y ≥ -x^2 - 1. Click on the graph until the correct graph appears.

Mathematics

1 answer:

Nitella [24]2 years ago

6 0

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

$y\geq -x^{2}-1$

The solution of the inequality is the shaded area above the solid line of the equation of the parabola $y= -x^{2}-1$

The vertex of the parabola is the point (0,-1)

The parabola open downward (vertex is a maximum)

using a graphing tool

see the attached figure

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Virty [35]

Answer:

13.567%

Step-by-step explanation:

We solve the above question, using z score formula

z = (x-μ)/σ, where

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2 years ago

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What is the common ratio for the geometric sequence?<br><br> 18, 12, 8, 16/3,…

alex41 [277]

Answer:

2/3

Step-by-step explanation:

Given : A geometric sequence : 18, 12, 8, 16/3,…

Solution :

Each term is found by multiplying the previous term by a constant in a Geometric Sequence .

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for n = 2

$r = \frac{a_{2} }{a_{1} }$

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for n = 3

$r = \frac{a_{3} }{a_{2} }$

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⇒ $r = \frac{2}{3 }$

Thus the common ratio 'r' = 2/3

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