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BigorU [14]
2 years ago
10

Some studies show that high school students are more successful when the school day begins after 9 am. To test this theory,

Mathematics
1 answer:
mrs_skeptik [129]2 years ago
6 0

Answer:

i think that the answer is b

Step-by-step explanation:

because there doing an  experiment in a controlled environment just to see what happen and if it works or if its true.

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AB contains the points A(7, -11) and B(8,17). find the slope of a line perpendicular to AB
Molodets [167]
If a line were to be perpendicular from said points, the slope of it would be -1/28. Hope this helps!
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Serggg [28]

Answer:

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Step-by-step explanation:

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34kurt

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Helpeoepeoeoeo show work
alukav5142 [94]

<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!

4 0
3 years ago
2х + y = 20<br> 6x — 5y = 12<br> How do i solve this? This is Systems of equations: Substitution
RideAnS [48]
12819=
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