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schepotkina [342]
3 years ago
10

(-5i)(-3i) ASAP!!! Brainlest Solving quadratic equations Simply

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
4 0

Answer:

15i^2

Step-by-step explanation:

a negative times a positive is a negative and a negative times a negative is positive

-5×-3=15 and i×i=i^2

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What is the solución to this equation <br> X/5=30
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Answer:

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Step-by-step explanation:

x/5=30

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Solve for z -0.25z= -1.25
GarryVolchara [31]

Answer:

<h2>z = 5</h2>

Step-by-step explanation:

-0.25z= -1.25

Convert the decimals to improper fractions

That's

<h3>- 1.25 =  -  \frac{5}{4}</h3><h3>- 0.25 =  -  \frac{1}{4}</h3>

So we have

<h3>-  \frac{1}{4} z =  -  \frac{5}{4}</h3>

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Divide both sides by - 1

the final answer is

<h3>z = 5</h3>

Hope this helps you

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3 years ago
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Find the area of the circle. Round to the nearest tenth. Use 3.14 for π. 14 m circle
Dima020 [189]

Answer:

615.44 m²

Step-by-step explanation:

3.14(14)²= 615.44 m²

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B-92

Step-by-step explanation:

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Sin^2x+2Sin^2x/2-2sinx.sin^2x/2+cotx=0
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