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Naddika [18.5K]
3 years ago
13

Anybody good at this? x - ( 9x -10) + 11 = 12x + 3 ( -2 + 1/3)

Mathematics
1 answer:
kenny6666 [7]3 years ago
8 0
X - (9x -10) + 11 = 12x + 3( -2 + 1/3)
x - 9x + 10 + 11 = 12x - 5  ...........................(1/3-2) = -5/3 => x 3 = -5
-8x + 21 = 12x - 5
26 = 20x
x = 13/10
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a builder could get 6 sheets of sheetrock for $9 if he bought 12 sheets how much money would he have spent
SashulF [63]
He spent $18.
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8 0
3 years ago
What is the volume of a cube with three 1/3 inch sides
boyakko [2]

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(1/27) in^3

Step-by-step explanation:

"sides" is inappropriate here.  You meant "a cube with three edges each 1/3 inch long."

V of cube:  V = s^3, where s:  side length

Here, V = (1/3 in)^3 = (1/27) in^3

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3 years ago
3 An open cone has a vertical angle measuring 40°
belka [17]

Answer:

13.41 cm

Step-by-step explanation:

The radius, height, and HALF of vertical angle makes a triangle.

Where

Radius will be the base of the triangle

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From the 20 degree angle, the side "opposite" would be the radius, which is 30. The side "adjacent" would be the height, let it be h.

<em>Which trig ratio relates opposite and adjacent? Yes, that is TAN. Thus we can write:</em>

Tan(20) = opposite/adjacent

Tan(20) = 30/h

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3 0
3 years ago
Please help me with this homework question. What's 5+4?
Bogdan [553]

Answer:

9

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Quadrilateral ABCD is a parallelogram with diagonals that intersect at point E. If AD=4w-5 DE=4 BE=x/2 BC=7w-17 solve for w.
Alex777 [14]

Answer:

B. w = 4

Step-by-step explanation:

As we know, in a parallelogram length of opposite sides are equal.

so, AD = BC

⇒ 4w - 5 = 7w - 17

⇒ 12 = 3w

⇒ w = 4

8 0
3 years ago
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