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alexira [117]
3 years ago
6

Need help with all my question if anyone can help I would be very grateful

Mathematics
1 answer:
Step2247 [10]3 years ago
8 0
Is it B -4.44 lucky
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Use the expression in the accompanying discussion of sample size to find the size of each sample if you want to estimate the dif
Orlov [11]

Answer:

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2 years ago
A picture is mounted on a frame measuring 25 centimeters by
makvit [3.9K]

Answer:

I think it's 1,125 and 4485

Step-by-step explanation:

25x13x3

115x13x3

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2 years ago
A store had 235 MP3 players in the month of January. Every month ,30% of the MP3 players were sold and 50 new MP3 players were s
larisa86 [58]
F(n)=235-(235*.3^n)+50n is your equation where * is multiplication and ^ it to the power to.
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2 years ago
Write a summary can Smartphones improve student lives? why or why not ( in your own words )
bonufazy [111]

Answer:

Smartphones can imrove student lives by giving students the ability to contact their teachers to ask questions or comment on a specific work. they can also allow the student to look up answers and learn from what others think. Smartphones can also add distractions in class and allow an easy way to cheat on a test or a quiz. Overall Smartphones can be beneficial and harmful to a students life.

Step-by-step explanation:

4 0
3 years ago
PLEASE HELP<br> 2. If f(x) = 3x2 – 7x + 2, then f(- 1) = ?<br> (A) 18<br> B. 12<br> C.-2<br> D.-8.
makvit [3.9K]

Answer:  B. 12

Step-by-step explanation:

f(x) = 3x2 – 7x + 2

f(- 1) = ?

f(-1)=3(-1)^2-7(-1)+2

     =3(1)+7+2

     =3+7+2

      =12

6 0
2 years ago
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