3 years ago

What is 44 dvided into 2 groups with a ratio of 4/7

Mathematics

1 answer:

zalisa [80]3 years ago

4 0

Total units would be: 4+7 = 11

value of 1 unit = 44/11 = 4

Ratio would be: 4(4) & 7(4) = 16 & 28

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Find (f+g)(x) when f(x)=x^3-2x^2+1 and g(x)=4x^3-5x+7

Oliga [24]

Answer:

5x³ - 2x² - 5x + 8

Step-by-step explanation:

[ Refer to the attachment ]

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4 years ago

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3 years ago

In a right triangle ABC, CD is an altitude, such that AD=BC. Find AC, if AB=3 cm, and CD=√2 cm.

Zielflug [23.3K]

Given that triangle ABC is right angle triangle. CD is altitude such that AD=BC

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ADC is a right angle triangle so apply Pythogorean theorem

$AD^{2} + CD^{2} = AC^{2}$

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$AD^{2}+2= AC^{2}$

$AD^{2}=AC^{2} -2$ ...(ii)

Plug value (ii) into (i)

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$AC=\sqrt{\frac{11}{2} }$

Hence final answer is $AC=\sqrt{\frac{11}{2} }$

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3 years ago

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Simplify x+2x –8+3x+1 –2x.

emmainna [20.7K]

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Step-by-step explanation:

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3 years ago