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gtnhenbr [62]
3 years ago
13

Complete the real-world situation that could be modeled by the equation 140 - 8x = 180 - 12x . Xavier has $140 in his lunch acco

unt . He spends $ in his lunch account . He spends $ will the boys have the same amount of money in their accounts ? for lunch each day. Zack has $ each day . After how many days​
Mathematics
1 answer:
marta [7]3 years ago
7 0

Answer:

x = 10

Step-by-step explanation:

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Suppose the matrix representing a system of difference equations contains a column of zeros. What does this imply about the syst
zhuklara [117]

Answer:

It is a singular matrix system.

Step-by-step explanation:

A column of all zeros in a matrices says that the variable associated with that column has no effect on the output.

For example If the first column of a matrix consists of zeros, this means that the coefficient of the first variable is zero in every equation in the system . This means that if there is any solution at all, then there must be an infinite number of them, since you can set that first variable to any value at all and still satisfy all of the equations.

5 0
4 years ago
14.20×2/3=???????????????????​
frozen [14]

Answer:9.5 approximately

Step-by-step explanation:

14.20 x 2/3

(14.20x2)/(1x3)

28.4/3=9.5 approximately

6 0
4 years ago
Write the expression below in simplest form. 15a5b2+4a5b2
user100 [1]

Answer:

19a^5b^2

Step-by-step explanation:

I think you mean

15a^5b^2 + 4a^5b^2

Since the variable parts are the same, the terms are like terms and can be combined together.

15a^5b^2 + 4a^5b^2 = 19a^5b^2

6 0
4 years ago
Read 2 more answers
Complete this pattern 3400000, 34000,______3.4,______
Ira Lisetskai [31]
Well the pattern is moving 2 decimal places to the left to make it smaller so it starts off with 3,400,000. 34,000. Then 340. 3.4 and then .034.
ANSWER: 1) 340 2) .034
3 0
3 years ago
How can you get 2 17/20 from 2.85
7nadin3 [17]
The 2 is ur whole number.
17/20...simple division = 0.85

giving u 2.85
8 0
3 years ago
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