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3 years ago

Unit 3 Error Analysis k12

Mathematics

2 answers:

ikadub [295]3 years ago

5 0

What's the question you are asking?

hammer [34]3 years ago

4 0

Answer:

Ok to fix this problem/Error in the k12 system, Reset your computer> Then Clear your Cache> Then log on to k12 and go straight to a recording> Then Tada the Error will be fixed!!!

~ Zachary

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Express the complex number in trigonometric form. -2i

katrin [286]

$-2i=2\left(\cos\left(-\dfrac\pi2\right)+i\sin\left(-\dfrac\pi2\right)\right)=2\left(\cos\dfrac\pi2-i\sin\dfrac\pi2\right)$

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4 years ago

A sample of scores is normally distributed with a mean of 10 and a standard deviation of 5 what is the probability of obtaining

Anna35 [415]

I don’t know sorry bro

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3 years ago

What's the following rotational symmetries of oranges regular hexagon

Semmy [17]

Answer:

rotational symmetry of 60 degrees around the origin - yes

rotational symmetry of 120 degrees around the origin - yes

Step-by-step explanation:

A regular hexagon has 6 congruent angles

the the angles created on the line of symmetry are equal to 60 so the angle of rotational symmetry is 60 degrees.

The regular hexagon, like stated before, has 6 congruent angles so the order of symmetry is 6

Here is a visual from basic-matematics

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3 years ago

Use the formula below to find the value of $400 invested at 4% interest compounded monthly for 10 years. Step 1:Find the value o

Mazyrski [523]

Answer:

See below

Step-by-step explanation:

Step 1.

P = $400

r = 0.04

t = 10 years

n = 12 ( as there are 12 months in a year).

Step 2.

A(10) = 400(1 + 0.04/12)^12^10

= 400 * 1.00333333^120

= $596.33 to the nearest hundredth (answer).

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3 years ago

Read 2 more answers

Beth buys a box of cereal for $4.25, a

Elis [28]

$8.61
Add all of the costs together and multiply by 0.06, then add the product of multiplication to the cost of the items without tax to get the cost with tax.

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3 years ago