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olga55 [171]
3 years ago
7

Negitive 78 squared plus 3 a minus 9 minus 5 8th squared minus 6 a minus 4

Mathematics
1 answer:
Lorico [155]3 years ago
6 0

Answer:

-6125

Step-by-step explanation:

negative 78 squared = -6084

-6084 + 3 - 9 = -6090

-6090 - 5 squared minus 6 minus 4 = --6125

I got confused by "8th" and "a minus" do you mean 3a, and 6a?



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<em>IMPORTANT THIGNS TO REMEMBER:</em>

  • Has 20 lb. dog food!
  • Gives dog 1 3/5 everyday!
  • Find how much eaten after 2 days!
  • Find how much is left!

<em>ANSWER:</em>

Dog has eaten 3 1/5 after 2 days!

There is 16 4/5 left in bag!

<em>EXPLANATION:</em>

Since she gives 1 3/5 to her dog everyday and their asking for 2 days you would multiply 1 3/5 × 2 OR add 1 3/5 + 1 3/5

Which would give you 3 1/5

So, the dog has eaten 3 1/5 lb. of dog food in 2 days.

However then, you would subtract 20 lb. - 3 1/5 lb. because there is 20 lb. dog food in all and the dog has eaten 3 1/5 of it. This would give you 16 4/5 lb.

Meaning there is 16 4/5 lb. left in the bag of dog food!

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