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kvasek [131]
3 years ago
8

The tuning fork is producing a wave that contains compressions and rarefactions. It is a ________ wave.

Mathematics
1 answer:
olga_2 [115]3 years ago
6 0
Sound or vibration wave that is conducted
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Find P(4).<br> A 1/8<br> B 1/4<br> C 1/2
olga nikolaevna [1]
The correct answer would be A. There is only a 1/8th percent chance of the spinner landing on 4.
4 0
3 years ago
Find (r-s) (t-s) + (s-r) (s-t) for all numbers r, s, and t. (a) 0 (b) 2 (c) 2rt (d) 2(s-r) (t-s) (e) 2(r-s) (t-s)
lyudmila [28]
Notice that the 2 expressions have 2 common terms.

(r-s) is just (s-r) times (-1)

similarly

(t-s) is just (s-t) times (-1)

this means that :

(r-s) (t-s) + (s-r) (s-t)=-(s-r)[-(s-t)]+(s-r) (s-t)

the 2 minuses in the first multiplication cancel each other so we have:

-(s-r)[-(s-t)]+(s-r) (s-t)=(s-r) (s-t)+(s-r) (s-t)=2(s-r) (s-t)

Answer:

d)<span>2(s-r) (t-s) </span>
3 0
3 years ago
Read 2 more answers
Find the value of the expression 63 - 21 + (3 x 11)
bixtya [17]

Answer: First solve the parentheses using order of operations. Then add and subtract from left to right.

Demo:

(3 * 11) = 33

Equation now looks like:

63 - 21 + 33

63 - 21 = 42

Equation now looks like:

42 + 33

42 + 33 = 75

The value of this expression is 75.

5 0
3 years ago
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Is the sequence geometric? If so, identify the common ratio. 6, 12, 24, 48, ...
Artist 52 [7]
Yes. It is a Geometric sequence!
Common ratio = a2/a1 = 12/6 = 2

In short, Your Answer would be Option A

Hope this helps!
5 0
3 years ago
What is this math problem<br> -1/12 - (-3/4)
Ivan

Answer:

-1/12 - (-3/4)

= -1/12 + 3/4

= (-1+9)/12

= 8/12

=2/3

3 0
3 years ago
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