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zheka24 [161]
3 years ago
8

What is the solution to the equation 1/3 (x - 2) = 1/5 (x + 4) + 2?

Mathematics
2 answers:
allsm [11]3 years ago
6 0
The solution is x=26
VladimirAG [237]3 years ago
5 0

Answer:

The solution is x = 26

Step-by-step explanation:

Here, the given equation is,

\frac{1}{3}(x-2)=\frac{1}{5}(x+4)+2

Add fractions on right side,

\frac{1}{3}(x-2)=\frac{x+4+10}{5}

By cross multiplication,

5(x-2)=3(x+14)

By distributive property,

5x-10=3x+42

Adding 10 on both sides,

5x=3x+52

Subtract 3x on both sides,

2x=52

Divide both sides by 2,

x=26

Which is the required solution,

Last option is correct.

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Simplify the polynomial. Then find its value for the given value of the variable.
vekshin1

Answer:

Step-by-step explanation:

Simplified expression:

3x^3 -x^3 +5x^3-9x^3

2x^3 +5x^3-9x^3

7x^3 -9x^3

-2x^3

If x = -1, the value of the expression is:

-2x^3

-2(-1^3)

-2(-1)

2

Hope this helps!

3 0
3 years ago
Nick decided to take 2/5 of the money in his bank account and donate it to a local charity. If nick donated $70 to a local chari
S_A_V [24]

Answer:

<u> The total amount = $175</u>

Step-by-step explanation:

Let the total amount in his bank account = x

Nick decided to take 2/5 of the money in his bank account and donate it to a local charity

So, he donates with \frac{2}{5} x

If nick donated $70 to a local charity

so, \frac{2}{5} x = 70

solve for x

∴ x = 5*70/2 = 350/2 = $175

<u>So, The total amount = $175</u>

3 0
3 years ago
Show that the sum of the reciprocals of three different positive integers is greater than 6 times the reciprocal of their produc
Montano1993 [528]
If a,b,c are the 3 positive integers
1/a +1/b +1/c > 6/abc
(bc+ac+ab)/abc >6/abc so
(bc+ac+ab)>6
The lowest positive integers that are different are 1,2,3 so the lowest value that (bc+ac+ab) could have is 1•2+2•3+1•3=2+6+3= 11 therefore
1/a +1/b +1/c > 6/abc is true
8 0
3 years ago
Death Valley located in California is the lowest place in North America.It is 282 feet below sea level or -282 feet. The Dead Se
slega [8]
-1359.24 feet is the answer to the question
8 0
3 years ago
Read 2 more answers
Find the slope of the line that goes through the points<br> (12,-14) and (3,-12)<br> Slope, m=
vova2212 [387]

Answer:

-2/9

Step-by-step explanation:

The slope is found by

m= (y2-y1)/(x2-x1)

   = (-12- -14)/(3-12)

    =(-12+14)/(3-12)

    =2/-9

   = -2/9

5 0
3 years ago
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