2 years ago

What is the answer to this question

1 answer:

8 0

We can see that c is in the middle of 0 and -6 making it -3 and d is in the middle of 0 and 6 making it 3. -3+3=0 so your answer is zero

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ASHA 777 [7]

Step-by-step explanation:

if x is 7 ok so 2(7)+5

14+5

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2 years ago

Determine the value of z in the figure answers: z = 50° z = 45° z = 10° z = 30°

ycow [4]

Answer:

z = 10°

Step-by-step explanation:

Since the two sides are equal, the two base angles have to be equal

That means that 5z and 130 form a straight line and add to 180 degrees

5z+130 = 180

Subtract 130 from each side

5z = 50

Divide by 5

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2 years ago

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lyudmila [28]

Answer:

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Step-by-step explanation:

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2 years ago

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Nata [24]

Answer:

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6 0

2 years ago

Find the fourth roots of 256(cos 240° + i sin 240°).

Mashcka [7]

Answer with Step-by-step explanation:

We are given that

We have to find the fourth roots of given complex number.

$(256)^{\frac{1}{4}}=(4^4)^{\frac{1}{4}}=4^^{\frac{1}{4}\times 4}=4$

By using the formula

$(a^b)^x=a^{bx}$

$\theta=240^{\circ}$

$\theta=\frac{240}{4}=60^{\circ}$

Angle of rotation= $\frac{360}{4}=90^{\circ}$

Therefore, the four roots of given complex number are

$4(cos 60^{\circ}+i sin60^{\circ})$

$4(cos150^{\circ}+i sin150^{\circ})$

$4(cos240^{\circ}+isin 240^{\circ})$

$4(cos330^{\circ}+i sin330^{\circ})$

8 0

2 years ago