Answer:
if you meant 40x-30 the answer is 9
Step-by-step explanation:
you have to distribute the 10x to 2x and 15
this gives you 20x+150=40x-30
then subtracted 20x from both sides and then add 30 to both sides
you should be left with 180=20x
divide 20 into 180
x=9
Answer:
The 2nd table.
Step-by-step explanation:
It is the only one that makes sense.
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"interverted" or "inverted?"
The vertical height of an inverted cone with base diameter 6 cm and slant height of 6 cm can be found using the Pyth. Thm. Draw or imagine a triangle whose height is h and whose base is 3 cm (not 6) and whose hypotenuse is 6 cm.
Then h^2 + (3 cm)^2 = (6 cm)^2, or h^2 + 9 cm^2 = 36 cm^2, or h^2 = 27 cm^2.
Then the height of the triangle, as well as of the cone, is h = +√27, or
h = +3√3.
Answer:
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