2 years ago

Please help me out ;)

Mathematics

1 answer:

borishaifa [10]2 years ago

4 0

Answer:

(-5,-9)

Step-by-step explanation:

you need to check which line the dot ison

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10<br> Using the quadratic formula to solve x2 = 5 – X, what are the values of x?

loris [4]

x^2 = 5 - x

x^2 + x - 5 = 0

-1 +/- $\frac{ \sqrt{ {1}^{2} - 4(1 \times - 5) } }{2}$

x = (1 + √21) / 2

x = (1 - √21) / 2

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3 years ago

Ken created the net worth statement shown.

just olya [345]

Answer:

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Step-by-step explanation:

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3 years ago

Find [4(cos15° + isin15°)]^3 and express it in a + bi form.

arsen [322]

Answer:

see explanation

Step-by-step explanation:

Using De Moivre's theorem

Given

[ 4(cos15° + isin15° ) ]³, then

= 4³ [ cos(3 × 15°) + isin(3 × 15°) ]

= 64 (cos45° + isin45° )

= 64 ( $\frac{\sqrt{2} }{2}$ + $\frac{\sqrt{2} }{2}$ i )

= 64 ( $\frac{\sqrt{2} }{2}$ (1 + i) )

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3 years ago

Jabo is standing next to a building. Jabo is 6.25 feet tall, and cast a shadow that 14 feet long. If the building cast a shadow

stich3 [128]

Answer:

64.286ft

Step-by-step explanation:

6.25-->14

x-->144in=12ft im going to asume you meant 144ft or that would be a very small building

14/6.25=2.24ft shadow for 1 real foot

144/2.24=about 64.286ft

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3 years ago

Todd bought g boxes of granola bars. There are 12 granola bars in each box. Write an expression that shows how many granola bars

mr_godi [17]

Answer:

Total bars = 12g

Step-by-step explanation:

4 0

2 years ago

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