3 years ago

30 POINTS why are 3/4 and 6/8 equivalent

Mathematics

1 answer:

umka21 [38]3 years ago

4 0

3/4 and 6/8 are equal and this is right I believe

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Solve for . Simplify your answer as much as possible. please help

Sonja [21]

Answer:

$x=-6$

Step-by-step explanation:

So we have the equation:

$-34=7(x+8)+8x$

First, distribute the 7 into the (x+8) and simplify:

$-34=7(x)+7(8)+8x\\-34=7x+56+8x$

Combine the like terms 7x and 8x by adding them together:

$-34=56+15x$

Subtract 56 from both sides to isolate the x:

$-34-56=15x+56-56\\15x=-90$

Divide both sides by 15 to get x:

$x=-90/15=-6$

5 0

3 years ago

Pls help trigonometry ahhh

oksano4ka [1.4K]

Answer:

x = 6.928

Step-by-step explanation:

Since we don't know the hypotenuse, we will use tan

tanΘ = opposite/adjacent (Θ = theta, which is basically the variable for an angle)

tan30° = x/12

to find x, multiply 12 to the other side

12tan30° = x (plug this into a calculator)

x = 6.928

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3 years ago

Can somebody match these for me .

Harlamova29_29 [7]

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3 years ago

What is 5+x^2=2x^2+13?

pshichka [43]

Take the root of both sides, and solve.

x = 2i sqrt 2, -2i sqrt 2.

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3 years ago

2x - 5[4 + 3 (x + 2)] = 9

Ugo [173]

Step-by-step explanation:

i hope you will get the answer

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3 years ago

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