2 years ago

PLEASE I NEED HELP PLEASE

Mathematics

1 answer:

mr_godi [17]2 years ago

3 0

Answer:

none

Step-by-step explanation:

there's only ten cubes

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Sandy will need 13 3/12 more fabric

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3 years ago

What are the factors of x2 – 100?

Nadya [2.5K]

Answer:

${x }^{2} - 100$

${x}^{2} - {10}^{2}$

$(x - 10)(x + 10)$

this is the answer

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3 years ago

PLEASE EXPLAIN HOW TO DO THIS PROBLEM

jarptica [38.1K]

Answer:

y=1/3x + 2

Step-by-step explanation:

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3 years ago

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xeze [42]

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Step-by-step explanation:

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3 years ago

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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

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

4 0

3 years ago