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3 years ago

Need help with this im confused

Mathematics

1 answer:

Jet001 [13]3 years ago

6 0

Answer:

$-\frac34 -\frac14 i$

Step-by-step explanation:

Let's start with distributing: $\frac1{4i}-\frac{3i}{4i}$ Simplify i with i in the second term, and rearrange. $-\frac34 +\frac1{4i}$ . Since i in the denominator looks ugly, let's multiply top and bottom by i. $-\frac34 +\frac i{4i^2} = -\frac34 +\frac i{4(-1)} =-\frac34 -\frac14 i$ . The middle passage is based on the fact that, by definition, $i^2=-1$

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If the relative frequency of a train being late is 0.15 how often could you expect the train to be late in 100 days?

neonofarm [45]

(100)= 0.25*100=15 times.

<span>SO, the train will be late 15 times in 100 days.

Hope i helped:P </span>

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3 years ago

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guajiro [1.7K]

Answer:

Step-by-step explanation:

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2 years ago

Read 2 more answers

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Savatey [412]

Answer:

Perimeter of rectangle before folded = 56 in

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Step-by-step explanation:

Rectangle before folded: l = 16 and w = 12

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Figure after folding: Area of trapezoid + area of rectangle

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Note: You could also find the area after folding by substracting the areas of the two triangles in the corners from the area of the original rectangle. Your choice. OK?

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2 years ago

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Vladimir79 [104]

Answer

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Step-by-step explanation:

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1 year ago

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Step-by-step explanation:

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2 years ago