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lana66690 [7]
3 years ago
10

????? don't answer...

Mathematics
1 answer:
kicyunya [14]3 years ago
8 0

Answer:

why?

Most rocks are made of what elements?

Group of answer choices

quartz, granite, marble, limestone, shale, sandstone, obsidian, mica

oxygen, silicon, aluminum, iron, calcium, sodium, potassium, magnesium

carbon, hydrogen, rubidium, nickel, zink, copper, lead, gallium

lithium, nitrogen, selenium, fluorine, chlorine, antimony, gallium, tin

Step-by-step explanation:

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What is 1 3/8 close to?
kozerog [31]
It depends what your trying to get close to. If your trying to get close to a number that is easier to work with 1 4/8 is good because its the same as 11/2 but the closest whole number is 1.
6 0
4 years ago
Factor<br> 3M^2+11MN+6N^2
antoniya [11.8K]
3M^2 + 11MN + 6N^2 = 3M^2 + 2MN + 9MN + 6N^2

= M(3M + 2N) + 3N(3M + 2N) = (3M + 2N)(M + 3N)

Answer: 3M^2 + 11MN + 6N^2 = (3M + 2N)(M + 3N)
8 0
3 years ago
You cut out a piece of me, and now I bleed internally
Crank

Answer: huh

Step-by-step explanation:

6 0
3 years ago
Two solid metal spheres have masses of 5 kg and 135 kg respectively. If the radius of the smaller one is 4 cm, find the radius o
Cerrena [4.2K]

Answer: 12 cm

Step-by-step explanation:

The masses of the spheres are proportional to their volums, and the cube of the ratio is k^3=135/5=27 ==> k=3

The greater radius is 3*4=12 (cm)

8 0
3 years ago
In triangle ABC, D is the midpoint of side AC and E is the midpoint of side BC.
cestrela7 [59]

Answer:

14

Step-by-step explanation:

Since all sides are half of greater triangle.Then 7 × 2 = 14 is length of greater hypotenuse.

Suppose two triangles with similar conditions

1^2+1^2=2

Hypotenuse=2^1/2

We assume another triangle which is exactly double of previous triangle I.e

2^2+2^2=8

Hypotenuse=2×2^1/2

Which is exactly twice of previous triangle.

Hence proved hyootenuse is double of smaller triangle I.e 14

8 0
3 years ago
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