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Zina [86]
3 years ago
14

How to solve 5x/2=5x+6

Mathematics
1 answer:
qaws [65]3 years ago
5 0
5x/2 = 5x + 6....multiply the equation by 2, eliminating the 2 on the left side
5x = 2(5x + 6)
5x = 10x + 12
5x - 10x = 12
-5x = 12
x = -12/5 or - 2 2/5
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Ms.banks walks at about 3 feet per second how many miles per day could she travel is she walked without taking a break?
skad [1K]

Answer:

About 49.09 miles a day .

Step-by-step explanation:

5 0
3 years ago
What are the solutions of the equation x6 + 6x3 + 5 = 0? Use factoring to solve. mc017-1.jpg and x = 1 mc017-2.jpg and x = –1 mc
Wittaler [7]

We are given equation :x^6+6x^3+5=0

Use\:the\:rational\:root\:theorem

\mathrm{Therefore,\:we\:need\:to\:check\:the\:following\:rational\:numbers:\quad }\pm \frac{1,\:5}{1}

-\frac{1}{1}\mathrm{\:is\:a\:root\:of\:the\:expression,\:so\:factor\:out\:}x+1

\mathrm{Compute\:}\frac{x^6+6x^3+5}{x+1}\mathrm{\:to\:get\:the\:rest\:of\:the\:eqution:\quad }x^5-x^4+x^3+5x^2-5x+5

Therefore, final factored form it

x^6\:+\:6x^3\:+\:5=\left(x+1\right)\left(x^5-x^4+x^3+5x^2-5x+5\right)

We can't factor it more.

Therefore,

x+1=0.

x=-1.

Therefore, the real solution of the equation would be -1.


5 0
3 years ago
Read 2 more answers
Find the area???????
Naily [24]

It's obviously none of the above because the true area will have a square root of 3 in it because of the equilateral triangle. They want us to find the approximate area. When I was in school the difference between an approximation and the exact answer was greatly stressed but that seems to be fading of late.


That's a rectangle less an equilateral triangle. The area of an equilateral triangle is \dfrac{\sqrt{3}}{4} s^2 which is easily derived but I won't bother here.


A = 18(8) - \dfrac{\sqrt 3}{4} (8^2) = 144 - 16 \sqrt 3 \approx 116.3


Answer: b



6 0
3 years ago
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20/8 = 2.5

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x = 8 * 2.5

y = 20 * 2.5

When x = 20, y = 50

6 0
4 years ago
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paul is born on his grandfather 60th birthday. In how many years will is Grandfather be 11 times as old as Paul?
Allushta [10]
Maybe is 71 because 60 + 11 is 71 and is basically saying when paul turns 11 how old will his grandfather be ...
8 0
3 years ago
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