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2 years ago

Please someone explain this

Mathematics

1 answer:

vampirchik [111]2 years ago

3 0

Answer: 68

Step-by-step explanation: Complementary angles are angles that add up to 90. So, you need to do 90-22=68.

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2 years ago

The product of 45/87 and --9/10 is

grandymaker [24]

Answer:

0.4655172413793

Step-by-step explanation:

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7 0

2 years ago

Thank you so much for your help

lana [24]

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1.1x

Step-by-step explanation:

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2 years ago

HELP ASAP PLZ will give u brainliest if u answer it first find the length of df

mr Goodwill [35]

Answer:

3.75

Step-by-step explanation:

DF = 6/24 × 15 = 3.75

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2 years ago

Question:

Tamiku [17]

Answer:

Step-by-step explanation:

$3x^2 + 12x + 6 = 0\\\\a=3\,,\ b=12\,,\ c=6\\\\\\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\ x=\dfrac{-12\pm\sqrt{12^2-4\cdot3\cdot6}}{2\cdot3}=\dfrac{-12\pm\sqrt{144-72}}{2\cdot3}=\dfrac{-12\pm\sqrt{72}}{2\cdot3}=\dfrac{-12\pm6\sqrt{2}}{6}\\\\x_1=\dfrac{6(-2+\sqrt{2})}{6}=-2+\sqrt2\\\\x_2=\dfrac{6(-2-\sqrt{2})}{6}=-2-\sqrt2$

8 0

2 years ago