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nydimaria [60]
2 years ago
6

Plz help i will mark brainlist

Mathematics
1 answer:
vodomira [7]2 years ago
5 0

Answer:

A

Step-by-step explanation:

4x +3y = 7.43

5x +2y = 7.03

8x +6y = 14.86

-15x -6y = -21.09

-7x = -6.23

x = 0.89

The answer is A

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Ganezh [65]
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the market bought grapes $0.87 a pound and sold them for $1.09 a pound what percent was it increased rounded to the nearest tent
Afina-wow [57]
You use new over old
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3 years ago
1.2, 3, 7.5, 18.75, ...<br><br> Which formula can be used to describe the sequence?
Nady [450]

Answer:

The formula is:

a_n=1.2(\frac{5}{2})^{n-1}

Step-by-step explanation:

The geometric sequences are those in which the division between the terms a_{n + 1} and a_n of the sequence are equal to a constant common reason called "r"

The geometrics secencias have the following form:

a_n=a_1(r)^{n-1}

Where a_1 is the first term of the sequence

In this sequence we have the following terms

1.2, 3, 7.5, 18.75

Then notice that:

\frac{3}{1.2}=\frac{5}{2}\\\\\frac{7.5}{3}=\frac{5}{2}\\\\\frac{18.75}{7.5}=\frac{5}{2}

Then:

r=\frac{5}{2}  and a_1=1.2

Finally the formula is:

a_n=1.2(\frac{5}{2})^{n-1}

5 0
3 years ago
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A set of data has been organized using the stem-and-leaf plot below. What is the mode of the data?
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1 is the mode of the plot :)

8 0
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How do i round this to the nearest tenth?
Alex_Xolod [135]

Answer:

2.77

Step-by-step explanation:

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