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Lera25 [3.4K]
3 years ago
13

the number of students at Marita's School decrease to 98% of last year's number. Currently there are 1170 students. How many stu

dents were there last year? Round to the nearest whole number.
Mathematics
2 answers:
Alex73 [517]3 years ago
7 0
2,316 students last year
KonstantinChe [14]3 years ago
3 0
1194 i believe. not positive on this one though

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Which graph shows a system of equations with no solutions?
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Graph of Parallel lines shows a system of equations with no solutions

Step-by-step explanation:

Consider a set of equations

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If we solve this both equations using any one of the solving method, (Substitution method) then we will get

7x-2y=16\\7x=16+2y\\x=\frac{16+2y}{7}

substituting the following x in 2nd equation (21x + 6y = 24) We get

21(\frac{16+2y}{7} )+6y=24\\3(16+2y)+6y=24\\48+6y+6y=24\\12y=24-48\\y=-\frac{24}{12} \\y=-2

Put y= -2 in x equation

x=\frac{16+2(-2)}{7}\\ x=\frac{16-4}{7}\\\x=\frac{12}{7} \\x=1.71

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Step-by-step explanation:

The given inequality is :

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