3 years ago

Please answer this for me and show me the work.

Mathematics

1 answer:

Gala2k [10]3 years ago

4 0

Ok. No problem. I will answer anything u got

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Please help me with this question and please explain why the answers is that.

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Answer:

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3 rectangles + 2 circles = 2 rectangles + 6 circles

rectangle = 4 circles Answer is D

Step-by-step explanation:

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4 years ago

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A newspaper has more than 30 pages and fewer than 40 pages.The newspaper is divided into sections, and each section has 8 pages.

eduard

4 and a half sections im not compleetly sure maybe 5 but it said fewer han 5 so

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3 years ago

What is $9 with a 10% increase

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3 years ago

A triangle has a base of 10" and an altitude of 14". What is the area?

cupoosta [38]

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3 years ago

3+5i/-2+3i perform operation

melisa1 [442]

Answer:

$\dfrac{9}{13}-\dfrac{19}{13}i$

Step-by-step explanation:

Remember $i^2=-1$

You are given the fraction $\dfrac{3+5i}{-2+3i}$

First, multiply the numerator and the denominator by -2-3i:

$\dfrac{3+5i}{-2+3i}=\dfrac{(3+5i)(-2-3i)}{(-2+3i)(-2-3i)}=\dfrac{(3+5i)(-2-3i)}{(-2)^2-(3i)^2}=\dfrac{(3+5i)(-2-3i)}{4-9i^2}=\dfrac{(3+5i)(-2-3i)}{4+9}$

This gives you 13 in denominator, now multiply two complex numbers in numerator:

$(3+5i)(-2-3i)=-6-9i-10i-15i^2=-6-19i+15=9-19i$

Thus, the initial fraction is

$\dfrac{9-19i}{13}=\dfrac{9}{13}-\dfrac{19}{13}i$

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3 years ago