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sveta [45]
3 years ago
13

Need help on answering number 7.

Mathematics
1 answer:
ikadub [295]3 years ago
7 0

Answer:

what is the question

Step-by-step explanation:

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Li-Ming owns an ice cream shop. On Saturday evening from 6:00 PM to 7:00 PM, 80 people entered her shop. On Tuesday from 3:00 PM
KengaRu [80]
To find the percent decrease from Saturday to Tuesday, you will find the difference between the number of customers on those days and divided by the total number of customers on Saturday.

By dividing this you will get a decimal, which then can be converted to a percent.

80-17= 63

63/80 = 0.7875
0.7875 = 78.75%

There was a 78.75% decrease from Saturday to Tuesday.
6 0
3 years ago
Identify the augmented matrix for the system of equations.
lord [1]

Answer:

The augmented matrix for the system of equations is \left[\begin{array}{cccc}0&2&-3&1\\7&0&5&8\\4&1&-3&6\end{array}\right].

Step-by-step explanation:

This system consists in three equations with three variables (x, y, z).The augmented matrix of a system of equations is formed by the coefficients and constants of the system of linear equations. In this case, we conclude that the system of equations has the following matrix:

\left[\begin{array}{cccc}0&2&-3&1\\7&0&5&8\\4&1&-3&6\end{array}\right]

The augmented matrix for the system of equations is \left[\begin{array}{cccc}0&2&-3&1\\7&0&5&8\\4&1&-3&6\end{array}\right].

8 0
3 years ago
X to the power of 2+ 2X plus 3X to the power of 2+ 4X subtract 2X to the power of 2+ X
eimsori [14]

Answer:

4x+12

Step-by-step explanation:

2x + 2 \times  { }^{2}  + 6x + 12 x ^{2}  - 4x +  - 2x ^{2}

8 0
4 years ago
Find the area of a circle with a diameter of 12 inches. Use 3.14 for pi.
denis-greek [22]
Aloha there! :) The answer to your question is 113.04 sq inches.


Hope I helped! =D
4 0
3 years ago
Read 2 more answers
Worth 20 points
sladkih [1.3K]
D(X+2)(2X+1) This is your answer. 

3 0
4 years ago
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