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Aleks04 [339]
3 years ago
14

What is necessary for sound to travel from a radio to your ears

Mathematics
1 answer:
Alex73 [517]3 years ago
3 0

Answer:

Any solid or gas, the sound waves move through each of these mediums by vibrating the molecules in the matter.

Step-by-step explanation:

Hope it helps :)

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If ON = OL find mOML
saveliy_v [14]

Answer:

A. 26°

Step-by-step explanation:

If ON =OL, then the two triangles are are similar.

The base angles must be equal.

(9x-8)\degree=(7x+8)\degree

We group the similar terms to obtain:

9x-7x=8+8

2x=16

Divide through by 2 to get:

x=8

m\angle OML=90-(7x+8)

Substitute x=8

m\angle OML=90-(7(8)+8)

m\angle OML=90-(56+8)

m\angle OML=26\degree

3 0
3 years ago
Read 2 more answers
how many liters of 40% oil dressing should be mixed with 4 liters of a dressing that is 25% oil to get a dressing that is 30% oi
Ronch [10]
Volume of first oil = A, volume of second oil = B, volume of mixture = M
A = ?, B = 4l, M = A + B

40%A + 25%B = 30%M
40%A + 25%4l = 30%(A+4l)
<span>40%A + 25%4l = 30%A + 30%4l
40A + 100l = 30A + 120l
40A - 30 A = 120l - 100l
10A = 20l
A = 2l
</span>
Answer: 2 litres of 40% oil dressing.

Also note: That's an approximation, because the volumes are not strictly additive. For example: mixing 50ml pure ethanol with 50ml water will give you about 95ml of mixture. To get an accurate answer, you'd have to measure the volume of the final mixture and then divide your total oil content by that<span>.</span>
4 0
3 years ago
A publisher needs to send many books to a local retailer each small box can hold 20 books
Bess [88]
Is there any other number or is it algebra
3 0
2 years ago
Multiply. Express your answer in simplest form.
DENIUS [597]

Answer:

Bet

Step-by-step explanation:

It’s a simple one to write. There are many trios of integers (x,y,z) that satisfy x²+y²=z². These are known as the Pythagorean Triples, like (3,4,5) and (5,12,13). Now, do any trios (x,y,z) satisfy x³+y³=z³? The answer is no, and that’s Fermat’s Last Theorem.

On the surface, it seems easy. Can you think of the integers for x, y, and z so that x³+y³+z³=8? Sure. One answer is x = 1, y = -1, and z = 2. But what about the integers for x, y, and z so that x³+y³+z³=42?

That turned out to be much harder—as in, no one was able to solve for those integers for 65 years until a supercomputer finally came up with the solution to 42. (For the record: x = -80538738812075974, y = 80435758145817515, and z = 12602123297335631. Obviously.)

8 0
3 years ago
Josh's soccer team had a competition to see which player should be the goalie. Each player tried to block 15 kicks from entering
poizon [28]
Do not click the link!
8 0
3 years ago
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