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zubka84 [21]
4 years ago
12

Solve the following: 5x -1oy -6y +8x +4=

Mathematics
1 answer:
jok3333 [9.3K]4 years ago
4 0
5x-1y-6y+8x+4
8x+5x = 13x + 4 = 17x -1y-6y= -7y
17x-7y = 10xy

This is how I was taught to solve it. However, your school may do it differently
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alekssr [168]
So it's actually 0.36363636... with the 36 repeating, right? 

<span>Here's a technique for converting repeating decimals to fractions: </span>

<span>N = 0.3636363636... </span>
<span>100N = 36.36363636... </span>

<span>This means 100N - N = (36.363636...) - (0.36363636...). This simplifies to 99N = 36, because the "0.36363636..." parts of both numbers on the right cancel each other out. </span>

<span>Solving this for N gives </span>
<span>N = 36/99, or 4/11 </span>

<span>If you take a calculator (or use long division) and divide 4 by 11, you'll see that it's 0.36363636...</span>
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3 years ago
Write 4670 000 in standard form.
lianna [129]

Answer:

4.67×10^6  is the correct answer

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3 years ago
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If r = 4 units and x = 13 units, then what is the volume of the cylinder
irina [24]
Im going to go with the volume being 653.45 because v = pie r squared h = pie  times 4 squared times 13 which equals 653.45... hope its correct ! 
6 0
4 years ago
A 50-gallon rain barrel is filled to capacity. It drains at a rate of 10 gallons per minute. Write an equation to show how much
makvit [3.9K]

Answer:

The quantity of water drain after x min is 50 (0.9)^{x}  

Step-by-step explanation:

Given as :

Total capacity of rain barrel = 50 gallon

The rate of drain = 10 gallon per minutes

Let The quantity of water drain after x min = y

Now, according to question

The quantity of water drain after x min = Initial quantity of water ×  (1-\dfrac{\textrm rate}{100})^{\textrm time}

I.e The quantity of water drain after x min = 50 gallon ×  (1-\dfrac{\textrm 10}{100})^{\textrm x}

or,  The quantity of water drain after x min = 50 gallon × (0.9)^{x}

Hence the quantity of water drain after x min is 50 (0.9)^{x}  Answer

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3 years ago
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astraxan [27]

Answer:

Step-by-step explanation:

5 0
3 years ago
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