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2 years ago

Which of the following set of numbers is made up of integers?

Mathematics

1 answer:

earnstyle [38]2 years ago

6 0

Answer:

the answer is number 1

Step-by-step explanation:

integers are whole numbers

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Mrs. gomes found that 40% of students at her high school take chemistry. she randomly surveys 12 students. what is the probabili

andrew-mc [135]

Answer:

0.213

Step-by-step explanation:

→ Convert into binomial information

x ~ B ( 12 , 0.4 )

→ Write down probability required

p ( x = 4 )

→ Evaluate

0.2128

5 0

1 year ago

Consider the differential equation: xy′(x2+7)y=cos(x)+e3xy. Put the differential equation into the form: y′+p(x)y=g(x), determin

icang [17]

Answer:

Linear and non-homogeneous.

Step-by-step explanation:

We are given that

$\frac{xy'}{(x^2+7)y}=cosx+\frac{e^{3x}}{y}$

We have to convert into y'+P(x)y=g(x) and determine P(x) and g(x).

We have also find type of differential equation.

$y'=\frac{(x^2+7)y}{x}(cosx+\frac{e^{3x}}{y}}$

$y'=\frac{(x^2+7)cosx}{x}y+\frac{(x^2+7)e^{3x}}{x}$

$y'-\frac{cosx(x^2+7)}{x}y=\frac{e^{3x}(x^2+7)}{x}$

It is linear differential equation because this equation is of the form

y'+P(x)y=g(x)

Compare it with first order first degree linear differential equation

$y'+P(x)y=g(x)$

$P(x)=-\frac{cosx (x^2+7)}{x},g(x)=\frac{e^{3x}(x^2+7)}{x}$

$\frac{dy}{dx}=\frac{(x^2+7)(ycosx+e^{3x})}{x}$

Homogeneous equation

$\frac{dy}{dx}=\frac{f(x,y)}{g(x,y)}$

Degree of f and g are same.

$f(x,y)=(x^2+7)(ycosx+e^{3x}),g(x,y)=x$

Degree of f and g are not same .

Therefore, it is non- homogeneous .

Linear and non-homogeneous.

3 0

3 years ago

Bhaskar wanted a truck for $2,300.46, but he only had $1,504.59. How much more money does Bhaskar need to buy the truck?

adell [148]

Answer:

795.87

Step-by-step explanation:

2,300.46 - 1,504.59 =795.87

6 0

2 years ago

Please help!!! find the number that belongs under the radical.

Vanyuwa [196]

Answer:

Step-by-step explanation:

Why am I here, I cant math.

6 0

2 years ago

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Find m angle a. options are: 109°, 112°, 116°, 120°, and 122°

BaLLatris [955]

Answer:

01 2002

Step-by-step explanation:

8 0

2 years ago

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