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lawyer [7]
3 years ago
12

Bernard is organizing a dinner for 28 students. The costs for each part of the dinner are shown. Bernard thinks the event will c

ost $813. Which equation can be used to see if $813 makes sense?
Number of students: 28
Dinner: $13per student
Award: $8 per student. <----Not answer choices
Dj: $225
Mathematics
1 answer:
svetlana [45]3 years ago
3 0
The DINNER STUDENTS because it has 13per
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Use Cramer's Rule to solve each system.<br> 5x – 3y = 8<br> -2x - y = 10
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Answer:

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Step-by-step explanation:

using cramer rule

5    -3    

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using cramer rule

to calculate x we change the coefficient of x with the answer (8,10)

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to calculate x

22/-11= -2

to calculate y we change the coefficient of y with the answer (8,10)

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-2   10

we calculate determinant = (5x10)-(8x-2) = 50 -(-16) = 50 +16=66

to calculate y

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6 0
3 years ago
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3 years ago
The first term in a sequence is 3<br> The term-to-term rule is + 8<br> What is the 5th term?
galben [10]
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OR
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Step-by-step explanation:

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