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Julli [10]
3 years ago
10

How do you solve equations like this: 7 5/6? can someone explain it? (7 5/6 is just an example)

Mathematics
2 answers:
Wittaler [7]3 years ago
7 0
A  b/c is a mixed number, we can turn a mixed number into  its simplest form in this way:
a  b/c= a +  b/c=(a*c+b)/c

In this case:
7  5/6=7+  5/6=(7*6+5)/6=(42+5)/6=47/6

Therefore:  7  5/6  =47/6
BaLLatris [955]3 years ago
5 0
Convert 7 5/6 to decimal form...

The fractional part of this number is what needs the focus. The whole number is 7, so we know that the decimal will lie somewhere between 7 and 8 (it will be 7 point something). All we have to do is convert 5/6 To decimal and attach it to the 7...

To find the decimal just do the math described by the fraction. 5/6 literally reads 5 ÷ 6. Set up the division and the result is .8333

So the decimal form of
7 5/6 is 7.8333

Alternatively you can set it up as a ratio then solve for x.

5/6 = x/100

Cross multiply

6x = 500

divide each side by 6

x = 83

83/100 = .83

7 5/6 = 7.83



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Factor completly 4x^2 +8x -5
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∑ Hey, jillianwagler ⊃

Answer:

\left(2x-1\right)\left(2x+5\right)

Step-by-step explanation:

<u><em>║Given info║:</em></u>

<em>Factor completely: </em>4x^2 +8x -5

<u><em>Solution~:</em></u>

<em>Breaking the expression~:  </em>\left(4x^2-2x\right)+\left(10x-5\right)

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Factor out 2x - 1: =\left(2x-1\right)\left(2x+5\right)

<u><em>xcookiex12</em></u>

<em>8/19/2022</em>

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2 years ago
When you add the same number to each side of an equation, do you always get an equivalent equation? webasign?
CaHeK987 [17]
Yes   you always do.

eg x - 2 = 8

x - 2 + 2 = 8 + 2

x = 10  
if we plug x = 10 into the original equation we se  that this fits:-

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How many solutions does this equation have?
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