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ipn [44]
3 years ago
9

2/x=1/4 help me solve this

Mathematics
2 answers:
bonufazy [111]3 years ago
8 0
It is a linear equation with only one unknown, although it looks strange because of the fractions, so lets get rid of the fractions:
<span>2/x = 1/4
</span>(2/x) = (<span>1/4)
</span>4*(2/x) = <span>1
8/x = 1
8 = 1*x
x = 8
that is the solution</span>
lord [1]3 years ago
6 0
/ mean division so you would take 2 divided by 8 to get 1/4
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What number is 7 units to the left of -1?
expeople1 [14]
7 unit to the left, means it is 7 less than -1. 
-1-7 = -8

Ans: -8
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Which shows one way to determine the factors of x^3 – 12x^2 – 2x + 24 by grouping?
krek1111 [17]
x^3-12x^2-2x+24=x^2\cdot x-x^2\cdot12-2\cdot x-2\cdot(-12)\\\\=\underline{x^2(x-12)-2(x-12)}=(x-12)(x^2-2)\\\\Answer:\boxed{d}
4 0
3 years ago
Read 2 more answers
PLEASE HELP!
Andru [333]
I = PRT

14,300 = (700)(0.0725)(t)
14,300 = 50.75(t)
14300/50.75 = t
281.77 = t    or    t = 281.77

hope this helps :)





4 0
3 years ago
I kinda need a lot of help
anzhelika [568]

Answer:600

Step-by-step explanation: 6 times 10 times 10 equals to 600 because 6 times 10 is 60 and 60 times 10 is 600

8 0
2 years ago
The measures of two complementary angles have a ratio of 3 : 2. What is the measure of the larger angle?
Mkey [24]

<em>Question:</em>

The measures of two complementary angles have a ratio of 3 : 2. What is the measure of the larger angle?

—————

<em>Solution:</em>

Call those two angles  x  and  y, where  x  is the larger one.

If they are complementary, then their sum equals  90°:

x + y = 90°      (i)


Also, the ratio between  x  and  y  is  3 : 2, so

  x           3
——  =  ——
  y           2


Product of the extremes = product of the means:

2x = 3y

2x – 3y = 0        (ii)


Now, just solve this system of equations:

  x  +  y = 90°         (i)
2x – 3y =   0          (ii)


Solve it with elimination. Since you want to know the value of the larger angle, which is  x, then eliminate the variable  y  by doing the following:

Multiply the equation  (i)  by  3,

3x + 3y = 270°        (iii)
2x – 3y =     0          (ii)


then add both equations, so you cancel out the variable  y:

3x + 2x + 3y – 3y = 270° + 0

3x + 2x = 270°

5x = 270°

         270°
x  =  ———
           5

x = 54°    <———  this is the measure of the larger angle.


I hope this helps. =)


Tags:  <span><em>system of linear equations elimination method solve complementary angles algebra geometry</em>
</span>
3 0
2 years ago
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