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WARRIOR [948]
3 years ago
6

3n+46=1+8n help me with work please

Mathematics
1 answer:
elixir [45]3 years ago
6 0

Answer: n=9

Step-by-step explanation:

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(Please show all work)
Lunna [17]

The answers here are

2) x= 2, 7

3) x= -5

7 0
3 years ago
What is the volume of this cone?
olchik [2.2K]

Answer:

The volume of the cone is approximately 453.0 cm³

Step-by-step explanation:

The volume of a cone is one third that of a cylinder with the same height and radius.  That gives us  1/3 πr²h, where r is radius and h is height.

However, we are not given the height of the cone, but the side length.  We can work out the height using the Pythagorean theorem, as we have a right triangle with the height, base radius, and length.  You may recall that the Pythagorean theorem states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of it's other two sides:

a^2 = b^2 + c^2

So we can find the height of the cone with that:

10.8^2 = 7.4^2 + h^2\\h^2 = 10.8^2 - 7.4^2\\h^2 = 116.64 - 54.76\\h^2 = 61.88\\h = \sqrt{61.88}\\h \approx  7.9

Now that we have the cone's height, we can solve for its volume:

v = \frac{1}{3} \pi r^2 h\\v = \frac{1}{3} \pi \times 7.4^2  \times 7.9\\v = \frac{1}{3} \pi \times 54.76 \times 7.9\\v = \frac{1}{3} \pi \times 432.6\\v = \pi \times 144.2\\v \approx 453.0 cm^3

5 0
3 years ago
Read 2 more answers
Could really use some help <br>​
MrRissso [65]
Answer:
X= 114
I don’t know what y is labeling so I won’t be able to help there sorry
5 0
2 years ago
Katherine drove 112 miles in 4 hours. If she continued at the same rate, how far
antoniya [11.8K]
The answer would be 420 miles
8 0
2 years ago
Read 2 more answers
If The Area Of Triangle MNO Is 24cm2 Find The Area Of Triangle PNO​
drek231 [11]

Answer:

24 cm^2

Step-by-step explanation:

The three sides are equal (SSS: side, side, side) so the triangles are congruent.

8 0
1 year ago
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