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Mama L [17]
3 years ago
11

Twenty seconds after a plane in the air show- dives, it is 300 feet from where it begin. At what rate is the plane diving ​

Mathematics
1 answer:
swat323 years ago
8 0
15 feet per second
sorry if it’s wrong
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The price of a visit to the dentist is \$50$50dollar sign, 50. If the dentist fills any cavities, an additional charge of \$100$
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Change mixed fraction to improper fraction.
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Read 2 more answers
Calculate the unit rate:<br>write your answer as a decimal <br><br>1/2 mile in ever 1/3 hour​
Alexandra [31]

Answer:

unit \: rate =  \frac{distance}{time}

unit rate is similar to speed / velocity:

unit \: rate =  \frac{ (\frac{1}{2} )}{ (\frac{1}{3})} \\  \\  =  \frac{1}{2}  \div  \frac{1}{3}  \\  \\  =  \frac{1}{2}  \times  \frac{3}{1}  \\  \\  = >  { \boxed{ \boxed{unit \: rate  =   \frac{3}{2}  \: miles \: per \: hour}}}

[<em>unit</em><em> </em><em>rate</em><em> </em><em>must</em><em> </em><em>have</em><em> </em><em>units</em><em> </em><em>including</em><em> </em><em>per</em><em> </em><em><</em><em>time</em><em>></em><em> </em>]

7 0
2 years ago
Please someone all 3 :)
san4es73 [151]

Answer:

1. Anne = 21 Bobby=35, 450, 70+40+30=140

Step-by-step explanation:

  1. 1 21÷3=7
  2. 7×5=35

  1. 7-2=250
  2. 5=250
  3. 1=50
  4. 2×50+7×50=100+350=450
  5. 450

  1. we can see that it's multiplied by 10, so 70+40+30=140
6 0
3 years ago
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