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Vladimir [108]
3 years ago
13

Solve for x: 30 = 14 - 4(3 - x)

Mathematics
1 answer:
Ymorist [56]3 years ago
5 0

Answer:

-7

Step-by-step explanation:

First, distribute. 30 = 14 - 12 - 4x

Then, simplify and get the regular numbers one the left side.

30 = 2 - 4x                             28 = -4x

Finally, divide both sides by -4 to get x by itself.

-7 = x

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Liula [17]

Answer: 0

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Step-by-step explanation:

6 0
3 years ago
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What is the slope of a line that is parallel to the line represented by the equation x – y = 8?
malfutka [58]
Hi there!

Since the slope of a lime that is parallel is always the same, the answer is a. -1.

Since the slope of this equation is -1, the slope of any other parallel line is the same (or else the lines would intersect and not new parallel anymore).

Hope this helps!
7 0
3 years ago
Simplify.<br> (2 x 108) + (4 * 103)<br> Give the answer in scientific notation
lions [1.4K]

Answer:

628

Step-by-step explanation:

216+412 = 628

First you get rid of the brackets by solving what's in them. Then you just add up the numbers and BOOM. The equation is solved. :-)

6 0
3 years ago
Solve the Method of variation of Parameters. y" - 3y' + 2y = 4e^3t
kirill [66]

Answer:

CF+PI=c_1e^{2x}+c_2e^{x}+2e^{3t}

Step-by-step explanation:

we have given y"-3y'=2y=4e^{3t}

this differential equation solution have two part that CF and PI

CALCULATION OF CF :

m^2-3m+2=0

m^2-2m-m+2=0

(m-1)(m-2)=0

m=1 and m=2

so CF=c_1e^{2x}+c_2e^{x}

CALCULATION OF PI :

PI =   \frac{4e^{3t}}{(m-1)(m-2)}

at m= 3 in PI

PI=\frac{4e^{3t}}{2}=2e^{3t}

so the complete solution is

CF+PI=c_1e^{2x}+c_2e^{x}+2e^{3t}

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3 years ago
If 1 qt = 2 cups how many cups are in 32 qt
tiny-mole [99]

Nvm

Step-by-step explanation:

8 0
3 years ago
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