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Zanzabum
2 years ago
14

Multiply (3+2i)(9-7i)

Mathematics
2 answers:
Andrei [34K]2 years ago
5 0
Your answer would be 10
3+2=5
9-7=2
5x2=10
Kazeer [188]2 years ago
4 0

Answer:

(3+2i)(9-7i)

Step-by-step explanation:

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What is (4c-d+0.2)^2-10c; c=3.1, d=4.6​
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Good evening ,

______

Answer:

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___________________

Step-by-step explanation:

(4c-d+0.2)^2-10c

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(4(3.1) - 4.6 + 0.2)² - 10(3.1) = (12.4 - 4.6 + 0.2)² - 31 = (7.8 + 0.2)² -31 = 8² - 31 = 64-31 =33.

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3 years ago
Read 2 more answers
Multiply and simplify. A) 36 1/12 B) 36 1/6 C) 41 1/12 or D) 41 1/6
Scorpion4ik [409]
1 Convert 12\frac{2}{3}12
​3
​
​2
​​ to improper fraction. Use this rule: a \frac{b}{c}=\frac{ac+b}{c}a
​c
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​​ =
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\frac{12\times 3+2}{3}\times 3\frac{1}{4}
​3
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​12×3+2
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2 Simplify 12\times 312×3 to 3636
\frac{36+2}{3}\times 3\frac{1}{4}
​3
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​4
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3 Simplify 36+236+2 to 3838
\frac{38}{3}\times 3\frac{1}{4}
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4 Convert 3\frac{1}{4}3
​4
​
​1
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​c
​
​b
​​ =
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\frac{38}{3}\times \frac{3\times 4+1}{4}
​3
​
​38
​​ ×
​4
​
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5 Simplify 3\times 43×4 to 1212
\frac{38}{3}\times \frac{12+1}{4}
​3
​
​38
​​ ×
​4
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​​

6 Simplify 12+112+1 to 1313
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7 Use this rule: \frac{a}{b}\times \frac{c}{d}=\frac{ac}{bd}
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​
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9 Simplify 3\times 43×4 to 1212
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​12
​
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10 Simplify
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​6
​
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11 Convert to mixed fraction
41\frac{1}{6}41
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​1
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