2 years ago

Is x^(-2)+5 a polynomial expression? Why or why not?

Mathematics

1 answer:

Lynna [10]2 years ago

3 0

Answer:

it is not because a polynomial cannot have a negative power

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Write and equation given slope and a point. <br> M= -1 and (-2,3)

ArbitrLikvidat [17]

Step-by-step explanation:

y - 3 = -1(x- -2)

y-3 = -x -2

Y = -x +1

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2 years ago

During a flu epidemic, 35% of the school's students have the flu. Of those with the flu, 90% have high

frutty [35]

Answer: 0.8015

Step-by-step explanation:

Let F= event that a person has flu

H= event that person has a high temperature.

As per given,

P(F) =0.35

Then P(F')= 1- 0.35= 0.65 [Total probability= 1]

P(H | F) = 0.90

P(H|F') = 0.12

By Bayes theorem, we have

$P(F|H)=\dfrac{P(F)\timesP(H|F)}{P(F)\timesP(H|F)+P(F')\timesP(H|F')}\\\\=\dfrac{0.35\times0.90}{0.35\times0.90+0.65\times0.12}\\\\=\dfrac{0.315}{0.315+0.078}\approx0.8015$

Required probability = 0.8015

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2 years ago

Can someone help me get y>5x+4

Westkost [7]

Answer:yes

Step-by-step explanation:

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2 years ago

Rita has a loan of $45,580. This loan has a simple interest rate 4% per year . What is the amount of interest that rRta will be

Feliz [49]

Answer:

$1,823.2

Step-by-step explanation:

Simple interest is calculated using the formula

I = P X R X T

where I is the interest amount

P is the principal amount: 45,580.

R is the interest rate which is 4 %, or 0.04%

T is time, One year.

I = $45,580 x 0.04 x 1

I = $1,823.2 x 1

I = $1,823.2

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Answer: Check attached picture

Step-by-step explanation:

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