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3 years ago

Which expression is equivalent to -6(-2/3+2x)

1 answer:

dsp733 years ago

7 0

$- 6( - \frac{2}{3} + 2x) \\ = - 6( - \frac{2}{3} ) + - 6(2x) \\ = 4 - 12x \\ = 4(1 - 3x)$
I cannot see the choices, but I hope this helps.

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The given figure is a cylinder. The radius of

lesantik [10]

Answer:

11403.98133

Step-by-step explanation:

V = πr^2h = π·11^2·30 ≈ 11403.98133

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3 years ago

If ON= 5x - 7, LM = 4x+ 4, NM = x -7, and OL =3y-4, find the values of c and y for which LMNO MUST BE a parallelogram.

Sholpan [36]

Answer:

x=11, y=8/3

Step-by-step explanation:

Consider quadrilateral LMNO. If this quadrilateral MUST BE a parallelogram, then

LM=NO

and

LO=MN

Thus,

$\left\{\begin{array}{l}4x+4=5x-7\\ \\x-7=3y-4\end{array}\right.$

Solve this system of two equations. From the first equation:

$4x-5x=-7-4\\ \\-x=-11\\ \\x=11$

Substitute it into the second equation:

$11-7=3y-4\\ \\3y-4=4\\ \\3y=4+4\\ \\3y=8\\ \\y=\dfrac{8}{3}$

4 0

3 years ago

Find the measure of angle x.

laila [671]

I think it would be 54 degrees

3 0

3 years ago

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lisabon 2012 [21]

Answer:

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4 0

3 years ago

Find the value of x explain how you got your answer

aliya0001 [1]

Answer:

step 1: x+50+4x=90

the angle of a right-angled triangle is 90 degrees, therefore if we add everything together ,we could work out what x is.

step 2: x+50+4x=90

x+4x=50

5x=50

x=10

then you solve the equation, x is 10

4 0

3 years ago