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4 years ago

Find the value of 5 times 2^3

Mathematics

2 answers:

Law Incorporation [45]4 years ago

8 0

What are the choices?

WITCHER [35]4 years ago

7 0

Answer:

Step-by-step explanation:

5 times 2^3=

5 times 8=

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Solve the system of equations by graphing. x+y=-9 4x+y=-19

shutvik [7]

For this case we have the following system of equations:

$x + y = -9\\4x + y = -19$

We multiply the first equation by -4:

$-4x-4y = 36$

We have the following equivalent system of equations:

$-4x-4y = 36\\4x + y = -19$

We add the equations:

$-4x + 4x-4y + y = 36-19\\-3y = 17\\y = - \frac {17} {3}$

We find the value of the variable "x":

$x = -9-yx = -9 - (- \frac {17} {3})\\x = -9 + \frac {17} {3}\\x = \frac {-27 + 17} {3}\\x = - \frac {10} {3}$

Thus, the solution of the system is:

$(x, y): (- \frac {10} {3}, - \frac {17} {3})$

See the graphic in the attached image

ANswer:

$(x, y): (- \frac {10} {3}, - \frac {17} {3})$

See the graphic in the attached image

4 0

4 years ago

If g(x) = 3x + 8, find g-1(4)

arsen [322]

Answer:

$\frac{-4}{3}$ =g-1(4)

Step-by-step explanation:

x=3y+8 ---> y= $\frac{x-8}{3}$

y= $\frac{(4)-8}{3}$

$\frac{-4}{3}$

4 0

3 years ago

A population of paramecia, P, can be modeled using the exponential function P(t)=3(2)t , where T is the number of days since the

mash [69]

Answer:

Step-by-step explanation:

6 0

3 years ago

Slove the equation below for y : <br><br> 6x-4y=12

Scilla [17]

Answer:

$y=-\frac{3(x +2)}{2}$

Step-by-step explanation:

We have an equation, and the question is asking for us to solve y. So to solve, we have to isolate y.

6x - 4y = 12

Subtract 6x from both sides :

-4y = 12 - 6x

Divide both sides by -4 :

$y=-\frac{3(x+2)}{2}$

8 0

3 years ago

Solve the equation <br>9-7x-7-7x=4

mafiozo [28]

Simplify 9 - 7x - 7x to 2 - 14x

2 - 14x = 4

Subtract 2 from both sides

-14x = 4 - 2

Simplify 4 - 2 to 2

-14x = 2

Divide both sides by -14

x = -2/14

Simplify 2/14 to 1/7

x = -1/7

6 0

3 years ago