Mathematics, 11.10.2019 20:30 ImCoolJenny
Can someone check my work? . 1. simplify the given expression.. (7 β 3i) β’ (2 β i) . 4 + i (my answer) . 14 + 3i . 11 β 13i . 14 β 10i . 2. simplify the given expression.. (β5 + 3i) β’ (1 β 2i) . β5 β 6i (my answer). 1 + 13i . 2 + i . 4 β 5i . 3. simplify the given expression.. (1 + 3i) + (2 β 5i) . β1 β 2i . 3 β 2i (my answer). 4 β 3i . 5 + 6i . 4. simplify the given expression.. (6 + 2i) β (8 β 3i) . β2 + 5i (my answer). β2 β i . 8 + 5i . 8 β 5i .
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Hassan bought a package of tofu. the temperature of the tofu was 14Β° celsius when hassan put the package into the freezer. he left the tofu in the freezer until it reached β19Β° celsius. which expressions explain how to find the change in temperature, in degrees celsius, of the package of tofu? select three that apply.
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Can someone check my work? . 1. simplify the given expression.. (7 β 3i) β’ (2 β i) . 4 + i (my answe...
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