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4 years ago

1. The edge of a hemisphere is an ___________.

1 answer:

4 0

1) The edge of a hemisphere is a CIRCLE
2) A line segment with one endpoint on center of the circle and the other endpoint on the circle. RADIUS
3) In any circle, the DIAMETER is twice the length of the radius.
4) A three dimensional figure with all points the same distance from the center. SPHERE
5) A plane that intersects a sphere through its center divides the sphere into two halves called HEMISPHERE.

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A straight fence is constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. A certain fence begins a

Ket [755]

Answer: 72 ft

Step-by-step explanation:

Given

The width of a post is $w=6\ in.$

Posts are separated by $5\ ft$ chain

for 2 posts, length is $6+5+6=17\ ft$

for 3 posts, length is $6+5+6+5+6=28\ ft$

for 4 posts, it is $28+5+6=39$

i.e. 11 ft is adding on the addition of another post

for 7 posts it is $17+11\times 5=72\ ft$

Thus, the total length of the fence is $72\ ft$

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3 years ago

What happens to the total mass of the atoms involved in a chemical reaction

Daniel [21]

There won't be any change in the total mass of the atoms involved in a chemical reaction. According to the law of conservation of mass; it states that mass can neither be created nor destroyed in a chemical reaction. So, when atoms participate in a chemical reaction they might displace with other reactants but the total mass will remain the same.

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RainbowSalt2222 ☔

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3 years ago

A jar contains red and green balls. A person reaches in and randomly selects a ball to indicate the number of points earned or l

user100 [1]

Answer:

There would have to be -6

Step-by-step explanation:

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3 years ago

Please help! Geometry Dilations, Similar triangles & proportionality

lubasha [3.4K]

Answer:

Step-by-step explanation:

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3 years ago

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Answer:

1,578

Step-by-step explanation:

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