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3 years ago

I need help, I forgot how to do this!

Mathematics

1 answer:

Marina CMI [18]3 years ago

7 0

Answer:

-3

Step-by-step explanation:

the c value transforms the function up and down the y axis. so if you want a graph 9 units above -12, it is -12+9, which is -3.

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Which numbers round to 0.8 when rounded to the nearest tenth?

patriot [66]

E because, as it says "5 below, shove it below, 5 and up, shove it up"

(give brainliest pls)

3 0

3 years ago

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Solve <br> f(x)=4x5−8x4+8x2−4x

Goryan [66]

Given:

The function is:

$f(x)=4x^5-8x^4+8x^2-4x$

To find:

The roots of the given equation.

Solution:

We have,

$f(x)=4x^5-8x^4+8x^2-4x$

For roots, $f(x)=0$ .

$4x^5-8x^4+8x^2-4x=0$

$4x(x^4-2x^3+2x-1)=0$

$4x((x^4-1)+(-2x^3+2x))=0$

$4x((x^2+1)(x^2-1)-2x(x^2-1))=0$

On further simplification, we get

$4x(x^2+1-2x)(x^2-1)=0$

$4x(x-1)^2(x+1)(x-1)=0$

$4x(x+1)(x-1)^3=0$

Using zero product property, we get

$4x=0$

$x=0$

Similarly,

$x+1=0$

$x=-1$

And,

$(x-1)^3=0$

$x=1$

Therefore, the zeroes of the given function are $-1,0,1$ and the factor form of the given function is $f(x)=4x(x+1)(x-1)^3$ .

6 0

3 years ago

Will give brainless whatever that means. Due today. The radius of a basketball is 10 inches, and the radius of a soccer ball is

Helen [10]

9514 1404 393

Answer:

1135.2 in³

Step-by-step explanation:

The volume of a sphere is given by the formula ...

V = (4/3)πr^3

The difference in volume will be ...

∆V = Vb -Vs = (4/3)π(10^3 -9^3) = (4/3)π(1000 -729) = 4/3π·271 . . . cubic in

∆V ≈ 1135.2 . . . cubic inches

The basketball has a volume that is 1135.2 cubic inches greater.

_____

If you use 3.14 for π, your answer is 1134.6 in^3.

7 0

3 years ago

Which bacteria sample (A or B) had a smaller initial population? What was that value?

zubka84 [21]

Answer:

B has a smaller initial population of 500

Step-by-step explanation:

Given

See attachment for complete question

Required

The bacteria with the smaller initial population

The initial population is at x = 0

For bacteria A;

$A(x) = 600$ when $x = 0$

For bacteria B, we have:

$B(x) = 500(2)^x$

Substitute 0 for x

$B(x) = 500(2)^0$

$B(x) = 500*1$

$B(x) = 500$

So; when x = 0

$A(x) = 600$ and $B(x) = 500$

Because; 500 < 600

We can conclude that B has a smaller initial population of 500

4 0

3 years ago

I need the hour and the minuts too thank you

hammer [34]

Answer:

5hrs & 30mins

Step-by-step explanation:

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