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VLD [36.1K]
3 years ago
15

How do i do thisneed help if you could do it for me that would be great

Mathematics
1 answer:
Natali [406]3 years ago
8 0
Just follow the cards

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The population of a city has decreased by 33% since it was last measured. If the current population is 13,400, what was the prev
tankabanditka [31]

Answer:

8,978 People

Step-by-step explanation:

13,400 x 0.33 = 4,422

13,400 - 4,422 = 8,978

7 0
2 years ago
Simply expression 12x-3x
Gekata [30.6K]

Answer:

9x

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
An olympic-size swimming pool is a rectangle that measures 50 meters in length and 25 meters in width.
Licemer1 [7]

Answer:

10x5 (LxW)

Step-by-step explanation:

1 centimeter in your drawing should equal to 5 meters of the pool.

The length is 50, so 50/5 (5 is in meters, and it is equal to 1 centimeter) equals: 10

The width which is 25 in meters, would be equal to 5 centimeters in your drawing

I don't know if i made my explanation clear but hopefully the answer helped.

6 0
2 years ago
Using a sheet of graph paper, solve the following system of equations graphically. Be sure to show any work, use a straight edge
madam [21]

Answer:

<h2> (-1,1)</h2>

Step-by-step explanation:

Given system is

\left \{ {{x+y=0} \atop {x-y+2=0}} \right.

If we graph, the solution would be the interception point between these two lines, because each linear equation represents a line. The lines are attached.

In the graph, you can observe that the solution is the point (-1,1), that is x = -1 and y = 1.

Now, if we want to solve this system by another method, we can just sum both equations and solve for <em>x</em>

\left \{ {{x+y=0} \atop {x-y+2=0}} \right.

2x+2=0\\x=\frac{-2}{2}=-1

Then, we replace this value in one equation to find the other value

x+y=0\\-1+y=0\\y=1

Therefore, the solution is (-1,1)

4 0
3 years ago
The answer to #2?? I already have the graph but I still need the answer
Sidana [21]
If we have 

y = 6x + 1 and x - y = 11, we can take advantage of  y - y = 0 as follows:
                                         Subtract x from both sides of the 2nd equation:
                                         -y = 11 - x

Now combine 

 y = 6x + 1
-y = 11 - x
--------------
0 = 5x + 12.  Solving for x, x = -12/5.     Using the equation above, find y:
                                                               -y = 11 - x
                                                                   = 11 - (-12/5)
                                                                   = 55/5 + 12/5 = 67/5

Then the solution is (-12.5, 67/5).

                      
3 0
3 years ago
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