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Fittoniya [83]
3 years ago
14

Can someone help me with this please ?

Mathematics
1 answer:
katrin [286]3 years ago
4 0

Answer:

Step-by-step explanation:

∠EMC  = ∠EMD + ∠DMC

∠EMC = 90

∠EMD + ∠DMC = 90

∠EMD + 20 =90

∠EMD  = 90 - 20

∠EMD  = 70

∠FMD + ∠DMB = 180  {Linear pair}

90 + ∠DMB = 180

        ∠DMB = 180 - 90

       ∠DMB = 90

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\frac{y_2-y_1}{x_2-x_1}

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7 0
3 years ago
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What is 4(x2 – 3x) + 12x2 + x simplified?<br> F 4x2–3x H 16x2–11x G13x2–2x I16x2–12x
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Answer:

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3 years ago
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Answer:

The number is -1

Step-by-step explanation:

The equation for the first part is (2n+7)2. This is because "twice a number" is 2n and "7 is added" will make it 2n+7. The "sum is multiplied by two" Is multiplying everything by two. This will make it (2n+7)

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Both equation equal each other the overall equation will be (2n+7)2=-8n+2

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subtract 14 from both sides making it 12n=-12

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