All categories

3 years ago

Need help plz and thx

Mathematics

1 answer:

leonid [27]3 years ago

4 0

I hope you can see this

If not then I’ll send write it for you

You might be interested in

Math help ASAP please

vlada-n [284]

Answer:

81 $inch^{2}$

Step-by-step explanation:

radius is half of diameter so r = d/2 = 6/2 = 3

h is the height of the cone h = 9

V= (3 x $3^{2}$ x 9)/3 = 81 $inch^{2}$

3 0

3 years ago

the IUCN Red List of Threatened Species notes that 36% of the 47,677 species assessed are threatened with extinction. How many s

scoray [572]

Answer:

17164 species

Step-by-step explanation:

Given that there are a certain type of species. The IUCN red list of threatened species took survey and found that

our of 47,677 species in total 36% are currently threatened.

We know that percent is nothing but a fraction with denominator as 100

Hence if x is the number of species which are currently threatended,

we have $\frac{x}{47677} =\frac{36}{100}$

Simplify to get

x = $47677(36/100) = 17163.72 =17164$

Thus 17164 species are currently threatened.

3 0

3 years ago

A medical researcher studies the correlation between the number of hours spent at office jobs and the incidence of chronic back

Sati [7]

The answer for this question is C

5 0

3 years ago

Line f has a slope of -3. What is the slope of the line that is perpendicular to line f?

Fynjy0 [20]

Answer:

1/3

Step-by-step explanation:

slope of line f (m) = -3

Slope of perpendicular line to f m1 = -1/m = -1/-3 = 1/3

6 0

3 years ago

Factor completely x^4-17x^2+16

Snowcat [4.5K]

Answer:

(x - 1) (x + 1) (x - 4) (x + 4)

Step-by-step explanation:

actor the following:

x^4 - 17 x^2 + 16

x^4 - 17 x^2 + 16 = (x^2)^2 - 17 x^2 + 16:

(x^2)^2 - 17 x^2 + 16

The factors of 16 that sum to -17 are -1 and -16. So, (x^2)^2 - 17 x^2 + 16 = (x^2 - 1) (x^2 - 16):

(x^2 - 1) (x^2 - 16)

x^2 - 16 = x^2 - 4^2:

(x^2 - 1) (x^2 - 4^2)

Factor the difference of two squares. x^2 - 4^2 = (x - 4) (x + 4):

(x - 4) (x + 4) (x^2 - 1)

x^2 - 1 = x^2 - 1^2:

(x^2 - 1^2) (x - 4) (x + 4)

Factor the difference of two squares. x^2 - 1^2 = (x - 1) (x + 1):

Answer: (x - 1) (x + 1) (x - 4) (x + 4)

4 0

3 years ago