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ss7ja [257]
3 years ago
15

Solve for x.5(x – 10) = 30 – 15x

Mathematics
1 answer:
nlexa [21]3 years ago
6 0
5(x-10)=30-15x

5x-50=30-15x

20x=30+50
x=4.
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Read 2 more answers
Please please please help me
Zinaida [17]

Answer:

z=20 and y=38

Step-by-step explanation:

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1. An LG Dishwasher, which costs $800, has a 20% chance of needing to be replaced in the first 2 years of purchase. A two-year e
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Step-by-step explanation:

The expected value of the extended warrant is calculated as follow.

Value of Waranty

= 800 x 20% − 112.10

= 800 x 20/100 − 112.10

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The expected value of the extended warranty assuming it is replaced in the first 2 years is given as follow.

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2.

Given information:

Number of Trials (n) = 15

Probability of Success (p) = 0.10

a) Let X represents the number of left-handed people.

b) The probability distribution follows binomial distribution.

X ∼ Binomial distribution

The probability distribution is given as follow.

P(X = x) = ^nCx(p)^x(1 − p)^n − x

c)The histogram is given as follow. (See attachment)

d) The shape of histogram is skewed right.

e) The mean is calculated as follow.

Mean

=n x p

= 15 x 0.10

= 1.5

f) The variance is calculated as follow.

Variance

= n x p x q

= 15 x 0.10 x 0.90

= 1.35

g) The standard deviation is calculated as follow.

Standard deviation

=√n x p x q

=√15 x 0.10 x 0.90

= 1.162

8 0
3 years ago
Definition for equations
MissTica
Here’s your definition

3 0
3 years ago
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