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3 years ago

Help me with 32 please!!!!!!

Mathematics

1 answer:

Alexeev081 [22]3 years ago

8 0

-8x - 46 = -6x - 8
-8x + 6x = -8 + 46
-2x = 38
x = -19

The equation:
-8x - 46 = -6x - 8

The solution:
x = -19

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PLEASE ANSWERRRRRRRRRR

mash [69]

Answer: OPTION B.

Step-by-step explanation:

Given the following System of equations:

$\left \{ {{3x-5y=19} \atop {x+y=1}} \right.$

You can use the Elimination Method to solve it. The steps are:

1. You can mutliply the second equation by -3.

2. Then you must add the equations.

3. Solve for the variable "y".

Then:

$\left \{ {{3x-5y=19} \atop {-3x-3y=-3}} \right.\\.....................\\-8y=16\\\\y=\frac{16}{-8}\\\\y=-2$

4. Now that you know the value of the variable "y", you must substitute it into any original equation.

5. The final step is to solve for "x" in order to find its value.

Then:

$x+(-2)=1\\\\x=1+2\\\\x=3$

Therefore, the solution is:

$(3,-2)$

8 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B%20%5Csqrt%7B2%7D%20%2B%201%20%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7B%20%5Csqr

statuscvo [17]

Answer:

all i see is ..........

Step-by-step explanation:

8 0

2 years ago

A bit hard for me !!!!!

Annette [7]

Where they intersect is (-1,2) hope this helps

4 0

3 years ago

Read 2 more answers

Tìm nghiệm của đa thức 3x+15

nika2105 [10]

3x+15=0
<=> 3x=-15
<=> x= -15/3
<=> x= -5
Vậy nghiệm của đa thức 3x+15 là -5

4 0

3 years ago

A soccer ball has an interior

AnnZ [28]

Answer:

5575 cm³

Step-by-step explanation:

The volume of a sphere is V = (4/3)πr³. If we substitute r = (d/2 where r is the radius and d the diameter), this formula becomes:

πd³

V = (4/3)π·d³/8, or V = -------------

and so, if d = 22 cm, the volume is:

π(22 cm)³

V = ------------------- = 5575 cm³

4 0

2 years ago

Read 2 more answers