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Maru [420]
3 years ago
12

Do waves move matter as they travel?

Mathematics
1 answer:
umka2103 [35]3 years ago
5 0

Answer:

No.

Step-by-step explanation:

Waves are energy moving through the matter, but they leave the matter in the same place as they pass through.

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Tha answer is 80+45+1.00
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Find the area of a triangle whose sides are 3cm,6cm and 7cm
nadya68 [22]

Answer:

See below

Step-by-step explanation:

It is NOT  a RIGHT triangle so you <u>cannot use</u>   1/2 b * h

 but you can use Heron's Formula

Area = sqrt( s (s-a)(s-b)(s-c) )

s = semi- perimeter =   (3+6+7)/2 = 8

Area = sqrt ( 8 ( 8-3)(8-6)(8-7) )   = sqrt ( 80) = 8.9 cm^2

4 0
10 months ago
A square has a perimeter of 40 m what is the length of each side
zubka84 [21]

Answer:

10m

Step-by-step explanation:

<u>Perimeter</u> means adding up all of the sides of a shape.

One property of a square is that <u>all lengths of a square are the same</u>.

We also know squares have <u>4 sides</u>.

<u />

Lets set up an expression to solve the length for each side with variable S representing the length of a side:

4 * S = 40

Divide each side by 4:

S = 10

Therefore, each side of the square has a length 10m

<u />

7 0
1 year ago
Please help im desperate!!!
belka [17]

Answer:

1) -2-3

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8 0
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Read 2 more answers
Help would be appreciated :)
RoseWind [281]
Your 3rd option, or (-6,-3,0,3,6) would be the answer
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