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3 years ago

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Ayushi has 100 pens and pencils altogether. 20% of them are pens. She buys some more pens and the percentage of the pens increas

es to 50%. How many pens did she buy? A. 30 B. 50 C. 60 D. 80

1 answer:

uranmaximum [27]3 years ago

4 0

Step-by-step explanation:

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3 years ago

Mrs. Walters drove 360 miles on 25 gallons of gas. Mr. Walter drove 480 miles on 32 gallons of gas. SHOW YOUR WORK.

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If the measure of < A is 99 ° and the measure of < B is 81 ° , then < A and < B are _____.

Doss [256]

Answer:

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Step-by-step explanation:

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3 years ago

Multiply the following complex numbers: (-7+ ) and ( + i). Show all work and explain the steps you are taking in the work.

notka56 [123]

Answer:

Step-by-step explanation:

in complex number land there are two distict parts real.. the first number and imaginary.. the second number with the i

if your problem really only has a 7 and an i in it.. then it looks like below

7 * i = 7i

but..I suspect you just left out a bit of the problem.. repost .. i'll answer it again if the problem is different that what you posted already :)

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3 years ago