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AveGali [126]
2 years ago
10

I need help with this equation. I'm not that smart so I can't figure it out-

Mathematics
1 answer:
erma4kov [3.2K]2 years ago
6 0

Answer:

x = 0

Step-by-step explanation:

In order to solve for x, first combine both fractions on the left

To add 4x-2/8 + 3+x/4 first find the least common denominator of 8 and 4

It's 8 so multiply the numerator and denominator of 3+x/4 by 8, you would get:

8x+24/32

Multiply 4x-2/8 by 4, you will get:

16x-8/32

Now you can add 16x-8/32 + 8x+24/32, you would get:

24x+16/32

Now you can start to solve for x

Your new equation is 24x+16/32 = 1/2

To solve for x, first multiply diagonally, then solve like a regular equation.

Multiply 24x+16 by 2 to get 48x+32

Then multiply 32 by 1 to get 32

Your new equation is 48x+32=32

Now subtract 32 by 32 to get 48x=0

Now divide 48 by 0 to get x=0

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Solve 6 sin((π/5)x)=5 for the four smallest positive solutions
cupoosta [38]

Answer:

1.568, 3.432, 11.568, 13.432

Step-by-step explanation:

Divide equation 6\sin\left(\dfrac{\pi }{5}x\right)=5 by 6:

\sin\left(\dfrac{\pi }{5}x\right)=\dfrac{5}{6}.

Then

\dfrac{\pi }{5}x=(-1)^k\arcsin\left(\dfrac{5}{6}\right)+\pi k,\ k\in Z,

x=(-1)^k\dfrac{5}{\pi }\arcsin\left(\dfrac{5}{6}\right)+5k,\ k\in Z.

Since \arcsin\left(\dfrac{5}{6}\right)\approx 56^{\circ}\approx \dfrac{\pi }{3.2},

four smallest positive solutions are

1. \dfrac{5}{3.2}\approx 1.568,\ k=0;

2. \dfrac{-5}{3.2}+5\approx 3.432,\ k=1;

3. \dfrac{5}{3.2}+10\approx 11.568,\ k=2;

4. \dfrac{-5}{3.2}+15\approx 13.432,\ k=3.

3 0
3 years ago
calculate the amount of money invested at 8.5% per annum when 2,488.80 simple interest was collected after three years.​ anyone
Mrac [35]

Answer:

2488.80 divided by 3=838.1

6 0
3 years ago
Order these numbers from least to greatest, 749,340;740,999; 740,256
Hitman42 [59]
256, 340, 740, 740, 749, 999
8 0
3 years ago
Solve, 2x + 4 and explain your answer
Ad libitum [116K]

Answer:

x=-2

Step-by-step explanation:

2x+4-4=0-4

2x=-4

x=-2

5 0
3 years ago
Read 2 more answers
PLS HELP!! WILL AWARD BRAINLIEST
Mariulka [41]

Answer:

I think its 5.6%

Step-by-step explanation:

20% of 28% is 5.6%

if its multiple choice that would help but that's my best guess

5 0
3 years ago
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