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3 years ago

What is the location of point D? (3, -5) (-5, 3) (-5, -3) (3, 5)

Mathematics

2 answers:

r-ruslan [8.4K]3 years ago

7 0

point D is located at (3, -5)

Elis [28]3 years ago

3 0

First you wanna look at the x axis and it is a 3 then you would look at the y axis and it is a
–5

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Please find the square roots of the following complex number.

Nana76 [90]

Hey there,

First, find the square root of the given equation.

$\sqrt{z}=\sqrt{81(\text{cos}(\frac{4\pi}{9})+i\text{sin}(\frac{4\pi}{9})}\\=9\text{cos}\frac{1}{2}(2k\pi+(\frac{4\pi}{9}))+i\text{sin}\frac{1}{2} (2k\pi+(\frac{4\pi}{9}))$

Keep in mind that this is solved for k = 0 and 1.

Second, simplify.

$=9\text{cos}(\frac{2\pi}{9})+i\text{sin}(\frac{2\pi}{9})~\text{or}~9\text{cos}(\frac{11\pi}{9})+i\text{sin}(\frac{11\pi}{9})$

Best of Luck!

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3 years ago

HELP PLZ Write an equation of the line that contains the given point and has the given slope.

Kisachek [45]

Answer:

1) y=0.5x+1

2) y=-3x-1

Hope I helped!

8 0

3 years ago

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madam [21]

92 degrees

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180-60-28= 92

:)

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3 years ago

True or false that the opposite of a number is always positive

lubasha [3.4K]

False because if it’s a positive number then the opposite is gonna be a negative

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3 years ago

Betsy drove from london to wolverhampton.it took her 2.5 hours at an average speed of 56 miles per hour.Mac drove the same journ

sergiy2304 [10]

Answer:

44.8 mph

Step-by-step explanation:

Betsy drove from london to wolverhampton.it took her 2.5 hours at an average speed of 56 miles per hour.Mac drove the same journy by motor bike.It took him 2 hours.Assuming that both took the same route,work out Mac's average speed in mph.

The above question is solved using Proportion method

2.5 hours = 56 mph

2 hours = x mph

Cross Multiply

2.5 hours × x mph = 2 hours × 56 mph

x mph = 2 hours × 56 mph/2.5 hours

x mph = 44.8 mph

Therefore, Mac's average speed = 44.8 mph

4 0

2 years ago