3 years ago

True or false? Postulates are statements that are accepted without question or justification

2 answers:

6 0

True, as a postulate is the assumption of existence.

3 0

Yes, I believe that's true.

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il63 [147K]

I think it’s 54% bc it’s close to 50, but 27-23=4

5 0

3 years ago

Helen [10]

Answer:

$x=-9,\:x=1$

Step-by-step explanation:

$x^2+8x=9\\x^2+8x-9=0\\(x+9)(x-1)=0\\x=-9,\:x=1$

6 0

2 years ago

xz_007 [3.2K]

Answer:

go to 7 on the y Axis, point it, the go up 1 and over 2, then point that.

6 0

4 years ago

Norma-Jean [14]

This is easily done after writing both complex numbers in exponential form:

$z_1=20\,\mathrm{cis}226^\circ=20e^{226^\circ i}$

$z_2=5\,\mathrm{cis}76^\circ=5e^{76^\circ i}$

Then

$\dfrac{z_1}{z_2}=\dfrac{20e^{226^\circ i}}{5e^{76^\circ i}}=4e^{(226-76)^\circ i}=4e^{150^\circ i}$

In trigonometric form, this is

$\dfrac{z_1}{z_2}=4\,\mathrm{cis}150^\circ=4(\cos150^\circ+i\sin150^\circ)=\boxed{-\dfrac{\sqrt3}2+\dfrac i2}$

8 0

3 years ago

Scorpion4ik [409]

Well what does the figure look like is it a square

4 0

3 years ago