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bekas [8.4K]
3 years ago
8

For her geography project, Luthnie built a clay

Mathematics
1 answer:
kozerog [31]3 years ago
5 0

Answer:

2.0 inches

Step-by-step explanation:

Volume of a cone is given by

V=\frac {\pi r^{2}h}{3}

Making h the subject of the formula, the formula then

h=\frac{3V} {\pi r^{2}}

Substituating 301.4 in³ for V and 12 in for r then

h=\frac{3*301.4} {\pi 12^{2}}=1.9987208269957in\\h\approx 2 in

Therefore, h is 2.0 inches

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6 (3x-1)-10x. with work please :)
STatiana [176]
Hey there!
Let's break this expression into two parts:
6(3x-1) and -10x

To solve the first part, we need to use the distributive property which states:
a(b+c) = ab+ac

Applying that to this problem, we have:
6(3x) + 6(-1) =
18x - 6

Now, we can take that -10x and put it right back in:

18x - 6 - 10x

Combine like terms and subtract the 10x from the 18x to get:
8x - 6

Hope this helps!
4 0
3 years ago
Factor completely 3x^2 − x − 4.
ozzi

3x^2 − x − 4

factor

= (3x − 4)(x + 1)


answer

D. (3x − 4)(x + 1)

8 0
3 years ago
I need help with this!!!!
Ira Lisetskai [31]

Answer:

  D:  2/4

Step-by-step explanation:

Usually when we talk about a point partitioning a segment, we are interested in the ratio of the first segment to the second:

  BC : CD = 2 : 2 = 1 : 1

Since this is not an answer choice, we need to "reverse engineer" the answer list to see if we can find an answer that corresponds to a reasonable interpretation of the question.

__

None of the segments is 3 units long, so neither of answer choices A or B makes any sense.

While segment BD is 4 units long, there is no segment that is 1 unit long, so answer choice C makes no sense, either.

There are segments that are 2 units long and a segment that is 4 units long, so if we interpret the question to be "what is the ratio of BC to BD?" then answer choice D is appropriate.

4 0
3 years ago
Write 6.92 x 10 -8 in standard notation.
Vaselesa [24]
There is 16 ounces in a pound, and #1 is B I believe
8 0
3 years ago
PLZ HELP QUICK
stellarik [79]

Answer:

B

Step-by-step explanation:

Adams headed the Commission that negotiated the Treaty of Ghent in 1814, which ended the War of 1812 with Great Britain.

5 0
3 years ago
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