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3 years ago

Which inequality matches the graph? a) x>-2 b) x -2 d) x<-2

Mathematics

2 answers:

AURORKA [14]3 years ago

6 0

The answer would be x ≥ −2

SCORPION-xisa [38]3 years ago

4 0

Answer:

x ≥ -2

Step-by-step explanation:

We see that x has to be greater than -2 but can include it as well. Therefore, we use the greater than or equal to sign.

x ≥ -2

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Assume that the car lot contains 40 percent BMWs, 25 percent Volvos, and 35 percent Jaguars. Of the BMWs, 90 percent have naviga

sveticcg [70]

Answer:

The required probability is 0.4098.

Step-by-step explanation:

Consider the provided information.

According to conditional probability that A occurs , given B has occurred.

$P(A|B)=\frac{P(A\cap B)}{P(B)}$

Assume that the car lot contains 40 percent BMWs, 25 percent Volvos, and 35 percent Jaguars.

Pr(BMWs)=0.40

Pr(Volvos)=0.25

Pr(Jaguars)=0.35

Of the BMWs, 90 percent have navigation systems, 30 percent of the Volvos have navigation systems, and 50 percent of the Jaguars have navigation systems.

Pr(Navigation | BMWs)=0. 90

Pr(Navigation l Volvos)=0.30

Pr(Navigation l Jaguars)=0.50

Total cars with navigation system = 0.40×0.90+0.25×0.30+0.35×0.50

=0.36+0.075+0.175=0.61

Pr(Not Bmw l Navigation system) = $\frac{0.25\times0.30+0.35\times0.50}{0.61}\approx0.4098$

Hence, the required probability is 0.4098.

6 0

3 years ago

Please help me with this questionnn

Llana [10]

Answer:

V = 1436.76

Step-by-step explanation:

Formula:

V = 4/3πr³

Given:

r = 7

Work:

V = 4/3πr³

V = 4/3π(7³)

V = 4/3π(343)

V = 1436.76

6 0

3 years ago

Karina and Perry are cleaning up litter in the park for community service hours. Karina and Perry both claim they have covered t

alexgriva [62]

Answer:

Perry's claim is correct while Karina is incorrect

Step-by-step explanation:

Question is incomplete (See Attachment)

First, we need to determine the area covered by Karina and Perry

For Karina, there are 9 square boxes each of which has an area of 1 unit sq

So:

$Karina = 9 * 1\ unit^2$

$Karina = 9\ unit^2$

For Perry:

There are 18 square boxes, each of which has an area of 1 unit sq.

So:

$Perry = 18 * 1\ unit^2$

$Perry = 18\ unit^2$

Comparing both areas, we can conclude that Perry's claim is correct while Karina is incorrect

7 0

3 years ago

If 5^n x 5^3 = 5^6, then n is _____. A) 18 B) 2 C) 3 D) 9

Eddi Din [679]

<h3>Answer: C) 3</h3>

The rule we'll use is a^b*a^c = a^(b+c). So we add the exponents.

That means 5^n*5^3 = 5^(n+3)

So 5^n*5^3 = 5^6 turns into 5^(n+3) = 5^6

The bases are equal to 5, so the exponents be equal to one another.

n+3 = 6

n+3-3 = 6-3

n = 3

So 5^3*5^3 = 5^(3+3) = 5^6.

6 0

3 years ago

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What is the line of reflection for the trapezoids?

lana [24]

Answer: A
Explanation: counted over 3, and it moves on the X

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3 years ago

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