3 years ago

Simplify: 3m over m-6 •5m3 - 30m2 over 5m2

Mathematics

1 answer:

vfiekz [6]3 years ago

3 0

$\frac{3(5m^{4}-2m +12)}{m-6}$ should be the right answer

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schepotkina [342]

Given the figure of a regular pyramid

The base of the pyramid is a hexagon with a side length = 6

The lateral area is 6 times the area of one of the side triangles

So, the side triangle has a base = 6

The height will be:

$\begin{gathered} h^2=6^2+(\frac{\sqrt[]{3}}{2}\cdot6)^2=36+27=63 \\ h=\sqrt[]{63} \end{gathered}$

so, the lateral area =

$6\cdot\frac{1}{2}\cdot6\cdot\sqrt[]{63}=18\sqrt[]{63}$

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1 year ago

Find the missing angle measure. PLEASE HELP ASAP

kobusy [5.1K]

Answer:

Angle 1 is 57 degrees

Angle 3 is 57 degrees

Angle 4 is 123 degrees

Step-by-step explanation:

Cause a straight line is 180 degrees and if angle 2 is 123 degress then angle 3 is 57 degrees and i got that by Subtracting 180-123 =57

Then for angles one you do the same maththat you do for finding angle 3

Then for angles 4 subtract 180-57=123

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3 years ago

Ariel invests $3,000 in an account that pays him 5% interest, compounded annually. How much money will Ariel have in the account

ozzi

Answer:

5,120

Step-by-step explanation:

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3 years ago

Solve the equation for k. -11 = 7 + 2/3k A. -24 B. -25 C. -26 D. -27

Kryger [21]

Answer:

k= -27

step-by-step

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3 years ago

Subtract. Use models if needed. (12x + 3) – (2x + 10)

Galina-37 [17]

1.)combine like terms: 12-2x=10x 3-10=-7

10x-7

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3 years ago

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