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Lorico [155]
3 years ago
13

7/12-9/8(2x-1)-5/6(3x+2)

Mathematics
1 answer:
butalik [34]3 years ago
4 0
7/12-9/8(2x-1)-5/6(3x+2)=0
(7*2-9(2x-1)*3-5(3x+2)*4)/24=0
(14-9(2x-1)*3-5(3x+2)*4)/24=0
(14-27(2x-1)-20(3x+2)/24=0
(14-54x+27-60x-40)/24=0
(14+(-54x-60x)+27-40)/24=0
(14-114x+27-40)/24
(-144x+1)/24=0
-114x+1=0
-114x=-1
x=1/144
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If 818=8,707=5,452=2,1247=?​
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Step-by-step explanation:

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Students in a large district's two high schools are offered a "Second Breakfast' program after their first-period class.
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2 years ago
Kristin spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15. If she bought a total of 7 then how many of each
Tpy6a [65]
Hi there!!

First, Let plain shirts be x
Let fancy shirts be y 
x + y = 7
15x + 28y = 131 
Multiply first equation by 28 to eliminate y: 
28x + 28y = 196
<span>15x + 28y = 131 
</span>Subtracting the two equations:
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<span>x = 5 </span>
Substituting x to get y:
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3 0
3 years ago
PLease evaluate this math problem for me!!
umka2103 [35]

8(1/4)

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3 0
3 years ago
You push your younger sister on a swing one time and then allow your sister to
Ber [7]

Answer:

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Step-by-step explanation:

On the first swing my sister travels a distance of 8 feet.

In every successive swing she travels 80% of the distance of the previous distance.

So the sequence formed by the distance traveled in every swing will be a geometric sequence.

First term of the sequence 'a' = 8 feet

common ratio 'r' = 0.80

Since this sequence is an infinite geometric sequence,

Sum of this sequence = \frac{a}{(1-r)}  [Since r < 1]

                                     = \frac{8}{1-0.8}

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                                     = 40 feet

Therefore, my sister will cover the total distance = 40 feet

7 0
3 years ago
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