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Anna007 [38]
2 years ago
7

A marching band is practicing. The band director sees the drum major hit a drum. How far away is the director if he hears the dr

umbeat in 0.40 seconds? The speed of sound is 330 m/s.
12 m
132 m
264 m
825 m
Mathematics
2 answers:
maxonik [38]2 years ago
5 0

Answer:

132 m

Step-by-step explanation:

distance= speed*time

d=0.4*330

=132

zavuch27 [327]2 years ago
4 0

Answer:

The director is 132 meters away.

You might be interested in
An online furniture store sells chairs for $150 each and tables for $400 each. Every day, the store can ship no more than 30 pie
ivolga24 [154]

Answer:

minimum of 13 chairs must be sold to reach a target of $6500

and a max of 20 chairs can be solved.

Step-by-step explanation:

Given that:

Price of chair = $150

Price of table = $400

Let the number of chairs be denoted by c and tables by t,

According to given condition:

t + c = 30 ----------- eq1

t(150) + c(400) = 6500 ------ eq2

Given that:

10 tables were sold so:

t = 10

Putting in eq1

c = 20 (max)

As the minimum target is $6500 so from eq2

10(150) + 400c = 6500

400c = 6500 - 1500

400c = 5000

c = 5000/400

c = 12.5

by rounding off

c = 13

So a minimum of 13 chairs must be sold to reach a target of $6500

i hope it will help you!

4 0
3 years ago
Plz help for brianly
ozzi

Answer:

190.

Step-by-step explanation:

4 0
3 years ago
If 3/4 is the dividend and -2/5 is the divisor then what is the quotient ?
Alexxx [7]

Answer:

\dfrac{-15}{8}

Step-by-step explanation:

<h3>Fraction division:</h3>

\sf \dfrac{3}{4} \ \div \dfrac{-2}{5}

 Use KCF method.

  • Keep the first fraction.
  • Change division to multiplication
  • Flip the second fraction.

       \sf \dfrac{3}{4} \ \div \dfrac{-2}{5}=\dfrac{3}{4}*\dfrac{-5}{2}

                      \sf = \dfrac{3*(-5)}{4*2}\\\\ =\dfrac{-15}{8}

4 0
10 months ago
John worked x hours this week and shanique worked eight hours less than john. Write an algebraic expression for the number of ho
Allisa [31]
Answer is D because I watched a yt bidoe
3 0
3 years ago
Solve and round if neccesary -2x^2+18+7x
koban [17]
I dont lhow the answer tomorrow in the morning I will tell you
3 0
3 years ago
Read 2 more answers
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