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ss7ja [257]
3 years ago
13

Which statement about sound is true because it is a mechanical wave?

Mathematics
2 answers:
PtichkaEL [24]3 years ago
5 0

Answer: It must travel through a medium.

Step-by-step explanation:

A sound wave transports its energy by means of particle interaction. A sound wave cannot travel through a vacuum. This makes sound a mechanical wave.

maw [93]3 years ago
4 0

Answer:

It must travel through a medium

Step-by-step explanation: Because I said so >:(

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You roll a fair 6-sided die. what is the probability rolling greater than 4
Readme [11.4K]

Answer:

1/3

Step-by-step explanation:

There are 6 possible outcomes when you roll this die: 1,2,3,4,5 and 6. Of these, only 5 and 6 are greater than 4, which is 2 successful outcomes. Probability is successful outcomes/total outcomes = 2/6 = 1/3. Hope this helps!

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CAN SOMEONE PLEASE HELP ME WITH THIS!! ILL GIVE YOU BRAINLIST ANSWER <br> IMAGE DOWN BELOW!
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how long is |MN| when you measure it and do you know anything about the length of |NO| and |OP|?

assuming |MN|= 7.7 ; |NO|= 4.7 ; |MO|= 5.5:

o²= m²+n²

= 4.7²+5.5²

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2 years ago
Veronica wants to check her work after evaluating -108 -(-6). What steps can she follow to verify her answer
IrinaVladis [17]

Answer:

She can use a calculator

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
URGENT!!
Lapatulllka [165]

Answer:

f[g(4)] = 4

Step-by-step explanation:

Given table:

\begin{array}{| c | c | c | c | c | c |}\cline{1-6} x & -6 & -4 & 1 & 3 & 4\\\cline{1-6} f(x) & 4 & -1 & -6 & 1 & 3 \\\cline{1-6} g(x) & 1 & 4 & 3 & -4 & -6 \\\cline{1-6}\end{array}

f[g(4)] is a composite function.

When calculating <u>composite functions</u>, always work from inside the brackets out.

Begin with g(4):  g(4) is the value of function g(x) when x = 4.

From inspection of the given table, g(4) = -6

Therefore, f[g(4)] = f(-6)

f(-6) is the value of function f(x) when x = -6.

From inspection of the given table, f(-6) = 4

Therefore, f[g(4)] = 4

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2 years ago
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\bf \begin{array}{lccclll}&#10;&amount&concentration&&#10;\begin{array}{llll}&#10;concentrated\\&#10;amount&#10;\end{array}\\&#10;&-----&-------&-------\\&#10;\textit{30\% spice}&x&0.30&0.30x\\&#10;\textit{65\% spice}&175&0.65&(175)(0.65)\\&#10;-----&-----&-------&-------\\&#10;mixture&x+175&0.50&(x+175)(0.50)&#10;\end{array}

so.. as you can see, we use the decimal notation for the percentages... 65% is just 65/100 and 50% is just 50/100 and so on

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thus  (0.30x) + (175)(0.65) = (x+175)(0.50)

solve for "x"
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3 years ago
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