3 years ago

I WILL AWARD BRAINLIEST!!!! PLEASE HELP!!!!!!!

Mathematics

1 answer:

harina [27]3 years ago

7 0

please find the answer attached

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Use the following function rule to find f(2). f(x)=7^x -5 f(2)=

vodka [1.7K]

Since we want to find f(2), we know that x=2.
We will then plug in x = 2 to our f(x)

We will then get
f(2) = 7^2 - 5 = 49 - 5 = 44

5 0

2 years ago

Find the equation of a line that has the same slope as y = 6 - 2x and the same y-intercept as y= "-10x" – 4.

Mkey [24]

Answer:

y = - 2x - 4

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 6 - 2x = - 2x + 6 ← is in slope- intercept form

with slope m = - 2

y = - 10x - 4 ← is in slope- intercept form

eith y- intercept c = - 4

then

y = - 2x - 4 ← is the equation of the required line

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2 years ago

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13x-126=162+5x what is the answer to this equation

lara [203]

X=36
you add 126 to 162 making it 288, then you minus 5 out of 13 making it 8. 288/8 =36

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3 years ago

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Please answer this question

Ksenya-84 [330]

1) Associative

2) Reversal

3) Addition

4) Commutative

5) Multiplicative Inverse

6) Additive Inverse

7) Reversal

8) Substitution

RATE AS BRAINLIEST

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2 years ago

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Complex numbers & DeMoivre's theory If z=-1-√3 i and z^6=a+bi, a=_____ and b=_____

Mice21 [21]

Convert $z$ to exponential/polar/trigonometric form:

$r=|z|=\sqrt{(-1)^2+(-\sqrt 3)^2}=2$

$\tan\theta=\dfrac{-\sqrt3}{-1}\implies\theta=\dfrac{4\pi}3$

$\implies z=-1-\sqrt3\,i=2e^{4\pi/3\,i}=2\left(\cos\dfrac{4\pi}3+i\sin\dfrac{4\pi}3\right)$

By DeMoivre's theorem,

$z^6=\left(2e^{4\pi/3\,i}\right)^6=2^6e^{24\pi/3\,i}=64e^{8\pi\,i}$

$z^6=64\left(\cos8\pi+i\sin8\pi)=64$

so that $a=64$ and $b=0$ .

8 0

3 years ago