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avanturin [10]
3 years ago
11

Find the sum 51.2 x 9.08

Mathematics
2 answers:
eimsori [14]3 years ago
5 0
465.804hdidjdjdjjssnsnsns
Kaylis [27]3 years ago
4 0

Answer:

465.804

Step-by-step explanation:

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If f(x) = 2x+4, which of the following is the inverse of f(x)?
creativ13 [48]

Answer:

{f}^{ - 1} (x)=  \frac{x}{2}  - 2

Step-by-step explanation:

The given function is

f(x) = 2x + 4Let

y = 2x + 4

Interchange x and y.

x = 2y + 4

Solve for y,

x - 4 = 2y

Divide both sides by 2

y =  \frac{x}{2}  - 2

Therefore;

{f}^{ - 1} (x)=  \frac{x}{2}  - 2

3 0
2 years ago
The volume V of a sphere with radius R is given by formula V=4/3 x 3.14 x r^3
Olin [163]
36(3.14) = 4/3 x 3.14 x r^3
113.04 = 4.187(r^3)
113.04/4.187 = r^3
26.997 = r^3
3√26.997 = r
r = ~3

Check: 3^3(\pi)(4/3) = 27(3.14)(4/3) = 113.04
5 0
3 years ago
Simplify.<br> -sqrt m^4n^7
Delvig [45]

Answer:

-m^2 |n|^3 sqrt(n)

Step-by-step explanation:

-sqrt( m^4n^7)

We know that sqrt(ab) = sqrt(a) sqrt(b)

-sqrt(m^4) sqrt(n^7)

The sqrt(m^4) = m^2

The sqrt(n^7) = sqrt(n^6) sqrt(n) = |n|^3 sqrt(n)  We take the absolute value because if n is negative, n^6 is postive, but n^3 is negative

-sqrt(m^4) sqrt(n^7)

-m^2 |n|^3 sqrt(n)


3 0
2 years ago
el valor del punto px que divide con razon de 1/4 al segmento AB considerando los puntos A (3,1) y D(8,9)
vitfil [10]

Answer:

(4, 13/5)

Step-by-step explanation:

Aquí, estamos encontrando el punto que divide el segmento en 1/4

supongamos que tenemos la proporción 1: 4 como a: b

Matemáticamente, el punto que divide el segmento será;

Coordenada x = (bx1 + ax2) / (a ​​+ b)

donde (x1, x2) = (3,8)

Al conectar estos valores, tenemos; (4 (3) + 1 (8) / (1+ 4) = (12 + 8) / 5 = 20/5 = 4

Coordenada y = (by1 + ay2) / (a ​​+ b) donde (y1, y2) = (1,9)

Conectando estos valores que tenemos; (4 (1) + 1 (9)) / (1 + 4) = (4 + 9) / 5 = 13/5

Por lo tanto, las coordenadas del punto es (4,13 / 5)

3 0
2 years ago
What is the discriminant of the quadratic equation 0 = –x2 4x – 2?
lyudmila [28]
The answer is down the page under ANSWER. here is a quick explanation first.

okay, i assume your equation is actually like this:

minus x squared plus 4 x minus

note: the proper way to type this electronically is: -x^2 + 4x - 2.



The equation you gave is known as a quadratic equation.

if you think about it, the generic (general) way of writing this quadratic equation is:

ax^2 + bx + c


a, b and c are just numbers

eg.

2x^2 + 7x + 4

looking at the general equation above

a is 2
b is 7
c is 4

you can put negatives in as well, to find out a, b and c

eg

-2x^2 - 6x - 12


so, what is a b and c?

a is -2 (must say its negative)
b is - 6 (must say negative)
c is - 12 ( again, remember its a negative number)

ANSWER

IF YOU JUST WANT THE ANSWER.

THE DISCRIMINANT IS:

4 squared minus (4 times -1 times -2)
this is 16 - 8
solution of discriminant is 8


explanation:

so, now we cleared that up.
in any quadratic equation ( like the equation you gave), the discriminant is (in general)


b2 - 4ac

use this to solve it for any quadratic equation for the discriminant
3 0
3 years ago
Read 2 more answers
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