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3 years ago

What is the quotient between 215÷9

Mathematics

1 answer:

netineya [11]3 years ago

4 0

215/9

= 23.888888........

It is written as shown in the picture

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Find a polynomial f(x) of degree 3 with real coefficents and following zeros. -4,4i

ElenaW [278]

Answer:

$f(x)=x^3 +4x^2 +16x +64$

Step by step explanation:

$\text{Given that, two roots are}~ -4~ \text{and}~ 4i.\\\\\text{Let,}\\\\~~~~~~~x = 4i\\\\\implies x^2 = 16i^2~~~~~~~;[\text{Square on both sides}]\\\\\implies x^2 = -16~~~~~~~~;[i^2 = -1]\\\\\implies x^2 +16 = 0\\\\\text{So,}~ x^2 +16~ \text{ is a factor of the 3 degree polynomial}.\\ \\ \text{The polynomial is ,}\\\\ f(x) = (x+4)(x^2 +16)\\\\~~~~~~~=x^3 +16x +4x^2 +64\\\\~~~~~~~=x^3 +4x^2 +16x +64$

7 0

2 years ago

A corner construction lot has the shape of a right triangle. if the two sides perpendicular to each other are 39 m long and 46.3

DIA [1.3K]

Use phytagorean theorem to solve the problem
c² = a² + b²
with c as hypotenuse, a and b are the two sides which are perpendicular to each other.

Plug the numbers into the formula
c² = a² + b²
c² = (46.3)² + 39²
c² = 2,143.69 + 1,521
c² = 3,664.69
c = √3,664.69
c = 60.53668..
to the nearest hundredth
c = 60.54

The length of the hypotenuse is 60.54 m

6 0

4 years ago

What is the domain of y = log Subscript 5 Baseline x?

Marina CMI [18]

Answer:

For this case we have this function given:

$y = log_5 (x)$

In order to find the domain we need to find the possible values of x that the function can assume.

And we know that for this case the logarithm for 0 or neagtive numbers is not possible to calculate it, so then we can say that the domain for this case is:

$x> 0$

And we can write this in formal notation as:

$D = [ X \in R | X>0]$

And the best answer for this case would be:

all real numbers greater than 0

Step-by-step explanation:

For this case we have this function given:

$y = log_5 (x)$

In order to find the domain we need to find the possible values of x that the function can assume.

And we know that for this case the logarithm for 0 or neagtive numbers is not possible to calculate it, so then we can say that the domain for this case is:

$x> 0$

And we can write this in formal notation as:

$D = [ X \in R | X>0]$

And the best answer for this case would be:

all real numbers greater than 0

6 0

4 years ago

Read 2 more answers

What is the reciprical for 73

juin [17]

The reciprocal for 73 is 0.01369863013

8 0

4 years ago

Read 2 more answers

What is 20 minus 5 as distributive property

vitfil [10]

Answer:

5(4-1)

Step-by-step explanation:

5(4-1)

20-5

5x4= 20

5x1= 5

5 0

4 years ago