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3 years ago

Which graph below shows the solutions for the linear inequality y<1/4x-3

Mathematics

2 answers:

Luda [366]3 years ago

4 0

The answer is GRAPH C.

Oxana [17]3 years ago

4 0

y< 1/4x - 3

Lets y = 1/4 x - 3 and find 2 coordinate points

y intercept : x = 0, y = -3. so It's (0, -3)

when x = 4, y = 1/4 (4) - 3 = 1 - 3 = - 2 , so it's (4, - 2)

Now you have two coordinate points (0, -3) and (4, - 2)

The inequality symbol is less than (<), the line is dotted and also shade the side "under" the line.

Answer is C. Graph C

Bottom left

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PLS HELP IT’S DUE TMR!!

ValentinkaMS [17]

Answer:

Use ≈ (approximately equal) sign as the scientific notation.

Step-by-step explanation:

(a) 0.001872 ≈ 0.0019

(b) 0.3411 ≈ 0.34

*Zeros before non-zero numbers are not significant.

*Zeros appearing between two non-zero digits are significant.

Hope this helps!!

6 0

2 years ago

A real estate agent has 19 properties that she shows. She feels that there is a 30% chance of selling any one property during a

netineya [11]

Answer:

$P(X \geq 5)=1-P(X$

We can find the individual probabilities:

$P(X=0)=(19C0)(0.3)^0 (1-0.3)^{19-0}=0.00114$

$P(X=1)=(19C1)(0.3)^1 (1-0.3)^{19-1}=0.0092$

$P(X=2)=(19C2)(0.3)^2 (1-0.3)^{19-2}=0.0358$

$P(X=3)=(19C3)(0.3)^3 (1-0.3)^{19-3}=0.0869$

$P(X=4)=(19C4)(0.3)^4 (1-0.3)^{19-4}=0.1491$

And replacing we got:

$P(X \geq 5) = 1-[0.00114+0.009282+0.0358+0.0869+0.149]= 0.7178$

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

Let X the random variable of interest, on this case we now that:

$X \sim Binom(n=19, p=0.3)$