Mathematics, 22.10.2019 06:00 nadiamckinney
Use the addition-subtraction method to solve each of the following systems of equations.
1. 4x + 3y = 17 and 5x β 3y = 1
2. β5m + 6n = β8 and β5m + 8n = 6
3. 2x β 7y = β9 and 6x + 7y = 57
4. 5p β 4q = 3 and β5p β 4q = 13
5. 6c + d = 12 and c β d = 2
the best answer will receive brainliest .
Answers: 3
Mathematics, 21.06.2019 16:00
Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit
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Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236
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Recall that two angles are complementary if the sum of their measures is? 90Β°. find the measures of two complementary angles if one angle is twenty dash nine times the other angle.
Answers: 2
Use the addition-subtraction method to solve each of the following systems of equations.
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