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Rus_ich [418]
3 years ago
13

Doug drove 253 ½ miles in 4 ½ hours. How many miles did ,he average per hour

Mathematics
1 answer:
nasty-shy [4]3 years ago
5 0

Answer:

56.33 is the average of miles per hour.

Step-by-step explanation:

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If f(x) => x2 +6, what is the value of f(8)?
soldier1979 [14.2K]

Answer:22

Step-by-step explanation: since f(8) so x=8

substitiuting x in 2x+6

                                      f(8)= 2x8+6=22

so f(8)=22

Hope this helps! :)

4 0
2 years ago
Someone please help me asap i am confused
trapecia [35]
1.) 2000 2.) 680000 3.) .0000007 4.) .00135 5.) 3062000 6.) 7x10^5 7.) 3.2x10^7 8.)4.5x10^-2 9.)3.46781x10^-5 10.) 1.3x10^18
6 0
2 years ago
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An employment agency specializing in temporary construction help pays heavy equipment operators $138 per day and general laborer
prisoha [69]

Answer:

L = 2,

O = 31

Step-by-step explanation:

First using the givens, write out some formulas.

Heavy equipment operators = O

General laborers = L

  • O + L = 33
  • 138O + 87L = 4044

Now use substitution, it doesn't matter which one you substitute.

  • O = -L +33
  • 138( -L + 33 ) + 87L = 4044

Distribute and solve for L.

  • -138L + 4554 + 87L = 4044
  • -138L - 87L = 4044 - 4554
  • -225L = -510
  • L = -510/-225
  • L = 2

L = 2, meaning number of laborers employed is 2.

Now plug 2 = L into one of the original equations.

  • O + L = 33
  • O + 2 = 33
  • O = 33 - 2
  • O = 31

O = 31, meaning number of heavy equip. operators employed is 31.

4 0
3 years ago
A total of 56 student signed up to play in a flag football league.If each team has 10 student , how many more students will need
Ostrovityanka [42]
4.
56/10= 5 r.6
for another team of ten you need 6+_=10
6+4=10
3 0
3 years ago
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Help please ! Thank you
tatyana61 [14]

Answer:

yes, no, yes

Step-by-step explanation:

7 0
2 years ago
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