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Vilka [71]
3 years ago
12

Can someone please help me. i really don't understand

Mathematics
1 answer:
ioda3 years ago
3 0
A. 1x +12y< or = to 60
b. Substitute zero for x
divide by 12 on both side 

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What are three 2-digit numbers that divide into 1520?
vlada-n [284]
1520 ÷ 10 = 152

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1520 ÷ 40 = 38
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3 years ago
Please help me for number 1 and number 3
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If x= -2 what is the value of -5x + 8x/4 + 7
Andrej [43]

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13

Step-by-step explanation:

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3 years ago
Read 2 more answers
[Systems of equations] (/20) 1. Suppose the coefficient matrix of a system of linear equations has a pivot position in every row
Marina86 [1]

Answer:

The system is consistent because the rightmost column of the augmented matrix is not a pivot column.

Step-by-step explanation:

It is given that the coefficient of the matrix of a linear equation has a pivot position in every row.

It is provided by the Existence and Uniqueness theorem that linear system is said to be consistent when only  the column in the rightmost of the matrix which is augmented is not a pivot column.

When the linear system is considered consistent, then every solution set consists of either unique solution where there will be no any variables which are free or infinitely many solutions, when there is at least one free variable. This explains why the system is consistent.

For any m x n augmented matrix of any system, if its co-efficient matrix has a pivot position in every row, then there will never be a row of the form [0 .... 0 b].

6 0
3 years ago
The circumference of a circle is G inches. The diameter is 15 inches. Which expression best represents the value of \piπ
oee [108]

Answer: Try using calculatorsoup dot com, you need to be more specific, and use Find A, C and r | Given d?

radius r = 7.5 in

diameter d = 15 in

circumference C = 47.123889803847 in

area A = 176.71458676443 in2

In Terms of Pi π

circumference C = 15 π in

area A = 56.25 π in2

Step-by-step explanation:

4 0
3 years ago
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