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Bond [772]
3 years ago
15

Describe how to model -3x + 7 = 28 with algebra tiles.

Mathematics
1 answer:
Fynjy0 [20]3 years ago
4 0

Answer:

The answer to the equation is x= - 1.3333

Step-by-step explanation:

-3x+7=28

x+7=28/-3   then sub 7

x=-1.3333

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Solve 4e^2x-3=12 please help
Anestetic [448]

4*e^{2x} -3 = 12

Step 1:

Here we have -3 in subtraction on the left side, so when we take it to the right we apply opposite operation of subtraction that is addition.

4*e^{2x} = 12+3

4*e^{2x} = 15

Step 2:

Next we have 4 in multiplication on left side, so dividing right side by 4,

e^{2x} = 15/4

e^{2x} = 3.75

Step 3:

taking log on both sides

ln ( e^{2x}) = ln(3.75)

{2x} =ln 3.75

Step 4:

Dividing right side by 2,

x= ln (3.75) /2 = 0.66088

Answer : x = 0.66088..


5 0
3 years ago
Read 2 more answers
a cube has sides of lengths a -3 which of the following expression best represents the volume of the cube
Semenov [28]

Answer: -27


Step-by-step explanation: the cube has a volume of -27 because -3 to the 3rd power (cubed) is -27

Hope this helps ☺


7 0
3 years ago
1. If a height of each of the bars in a bar graph get taller as you go from the far left to the far right, the data are:
Alina [70]

Answer:

1. Skewed to left (negative)

2. Right skewed (positive)

3. Symmetric

Step-by-step explanation:

3 0
3 years ago
What is 138.4 divided by 16
ser-zykov [4K]
I got 8.65 if this any help
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3 years ago
Describe how you can use the information in a table showing a linear relationship to find the slope and y-intercept for the equa
katen-ka-za [31]
The easiest thing to find in a table showing a linear relationship is the slope. If the x is increasing by one each and every time (or cell because we are talking about tables), then the difference between each y value is the slope. Also, if you are lucky enough to have that sort of table, you can easily find the y-intercept by looking at the y value that is next to the x value of 0. Otherwise, work backward to find the y-intercept. For every x value you go down to try and get to 0, minus the y values also by the slope.
8 0
3 years ago
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