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sammy [17]
4 years ago
13

Solve for x 0.5(5-7x)=8-(4x+6)

Mathematics
1 answer:
LekaFEV [45]4 years ago
5 0
0.5(5 - 7x) = 8 - (4x + 6)
2.5 - 3.5x = 8 - 4x - 6
2.5 - 3.5x = 2 - 4x
-3.5x + 4x = 2 - 2.5
0.5x = - 0.5
x = - 0.5/0.5
x = -1 <==


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5 0
1 year ago
Three measurements are made on each of three individuals in a random sample from a population. X 1 = 2, X2 = 8
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Step-by-step explanation:

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4 0
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6 0
3 years ago
PLEASE HELP!!!!!!!! FIRST TO ANSWER WILL GET BRAINLIEST!!!
fomenos
If you are not familiar with the Pythagorean theorem, I will write it below to remind you for your future mathmatical endeavours:

{a}^{2} + {b}^{2} = {c}^{2}

c is the hypotenuse, and a and b are the other two sides. The hypotenuse is the largest side of a triangle. In this example, a and b are equal to each other and c is equal to 2, so I'm going to convert b into a and do some math trickery here:

{a}^{2} + {a}^{2} = 4

2 {a}^{2} = 4

Basically, I swapped b with a and combined like terms. Then I just replaced c with 2, then squared it into 4.

All you have to do now is solve for a

Step 1 is to divide both sides by 2 to get:

{a}^{2} = 2

Then just square both sides:

a = \sqrt{2}

Now you know that the length of the sides are equal to the square root of 2.

Sorry if this was a bit rushed, I hate running out of time on these. If you have any questions on why I did something, ask away in the comments.
5 0
3 years ago
How many degrees in a full rotation?
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7 0
3 years ago
Read 2 more answers
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