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RoseWind [281]
2 years ago
15

QUICK PLS HELP

Mathematics
1 answer:
Lilit [14]2 years ago
5 0

Answer:

Step-by-step explanation:

60% = 7.2/12

83% = 10/12

He improved by a supposed 23%

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Someone help me with number 8
Gnesinka [82]

Answer:

The answers are...:

The common ratio is -3

the sequence of the function is 2,-6, 18, -54, 162

and

the sequence of the function model is geometric

I hope this helps ^^"

Step-by-step explanation:

the common ratio is just from the -3 itself

the sequence model is just plugging n for every term so

a(1) would equal to 2, a(2)=-6 , a(3) would equal to -18, etc

and the geometric is bc it has the exponential that has (n-1), thus it is a geometric sequence

6 0
2 years ago
Part A: Sydney made $18.50 selling lemonade, by the cup, at her yard sale. She sold each cup for $0.50 and received a $3 tip fro
prisoha [69]

Answer:

Part A: x0.50 + 3 = 18.50

Part B: x0.75 + 3 - x0.10 = 21

Part C: The equations from Part A and Part B differ because of the cost of plastic cup.

Step-by-step explanation:

Let x represent the number of cup of lemonade sold. Therefore, we have:

Part A:

This situation can be represented by the following equation:

x0.50 + 3 = 18.50

Part B:

This situation can be represented by the following equation:

x0.75 + 3 - x0.10 = 21

Part C:

The equations from Part A and Part B differ because of the cost of plastic cup.

For equation from Part A, revenue is the same as profit as Sydney does incur any cost to buy plastic cup before selling her lemonade.

For equation from Part B, revenue is different from profit because Daria has to incur the cost of plastic cup which $0.10 per cup of lemonade before selling her lemonade.

8 0
3 years ago
Read 2 more answers
Which of the following is a polynomial with roots negative square root of 5, square root of 5, and 3?
kykrilka [37]
The polynomial with those roots would be: 

<span>y = (x + √5)(x - √5)(x - 3) </span>
<span>▬▬▬▬▬▬▬▬▬▬▬ multiply this out to get </span>
<span>y = (x² - 5)(x - 3) </span>

<span>y = x³ - 3x² - 5x +15</span>
6 0
3 years ago
Please help!!! 40 points and will give brainliest!!
NeTakaya

Answer:

the answer would be

Step-by-step explanation:

i hope this helped

7 0
3 years ago
Read 2 more answers
Can someone please help?
lions [1.4K]

Answer:

(1, 1)

Step-by-step explanation:

this is the only point that is in the overlapped shading area

3 0
3 years ago
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