Giving 12 points for answer

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Mathematics, 21.06.2019 19:00

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

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Mathematics, 21.06.2019 19:00

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

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Mathematics, 21.06.2019 23:00

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details

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Mathematics, 22.06.2019 01:10

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.

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Mathematics, 30.10.2021 18:30

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