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Xelga [282]
2 years ago
14

5x + 2y = 7 7x + 6y = -3 Please solve using elimination method.

Mathematics
1 answer:
Kazeer [188]2 years ago
3 0
X=3 y=-4
hope that helps
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aquil had $40. he spent 2/5 of his money on a new hat. he spent 1/2 of what was left on sunglasses. how much money did he have l
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money left= 16

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Step-by-step explanation:

40(2/5)=16

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A college student took 4 courses last semester. His final grades, along with the credits each class is worth, are as follow: A (
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Answer:

A college student took 4 courses last semester. His final grades, along with the credits each class is worth, are as follow: A (3), B (4), C (2), and D (3). The grading system assigns quality points as follows: A: 4; B: 3; C: 2; D: 1; and F: 0. Find the student’s GPA for this semester. Round your answer to the nearest thousandth.

another way is

This is a weighted average question. You are going to "weight" each course by the number of credits it is worth and then divide by the total number of credits. In other words, you are going to multiply each grade (A=4, B=3) by the number of credits attached to that grade. This will ensure that the courses that have more credits count more in the overall average. Then you are going to divide by the total number of credits to get the overall GPA.

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(3*4 + 4*3 + 2 *2 + 3*1)/(3+4+2+3) = GPA

Step-by-step explanation:

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