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lana66690 [7]
3 years ago
10

Which equation represents the standard form of the equation y = (x + 3)2 - 4?

Mathematics
1 answer:
rodikova [14]3 years ago
8 0

Answer:

D. y=x2+6x+1 :) hope this helps

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I tried this few times in yeah so i could not find it.
Step2247 [10]

Answer:

5 is the answer

Step-by-step explanation:

\dfrac{  \left( 44+ { 9  }^{ 2  }    \right)    }{  { 5  }^{ 2  }    }

Calculate 9 to the power of 2 and get 81

\dfrac{ 44+81  }{  { 5  }^{ 2  }    }

Add 44 and 81 to get 125

\dfrac{ 125  }{  { 5  }^{ 2  }    }

Calculate 5 to the power of 2 and get 25

\frac{125}{25}

Divide 125 by 25 to get 5

5

7 0
2 years ago
Find the slope of the curve r=cos(2theta) at theta=pi/6.. . Must this be solved parametrically? If so, why?
lara31 [8.8K]

By converting into parametric equations,

<span><span>x(θ)=r(θ)cosθ=cos2θ<span>cosθ
</span></span><span>y(θ)=r(θ)sinθ=cos2θsinθ</span></span>

By Product Rule,

<span>x'(θ)=−sin2θcosθ−cos2θsinθ</span>

<span>x'<span>(π/2)</span>=−<span>sin(π)</span><span>cos<span>(π/2)</span></span>−<span>cos(π)</span><span>sin<span>(π/2)</span></span>=1</span>

<span>y'(θ)=−sin2θsinθ+cos2θcosθ</span>

<span>y'<span>(π/2)</span>=−<span>sin(π)</span><span>sin<span>(π/2)</span></span>+<span>cos(π)</span><span>cos<span>(π/2)</span></span>=0</span>

So, the slope m of the curve can be found by

<span>m=<span>dy/dx</span><span>∣<span>θ=<span>π2
</span></span></span>= <span><span>y'<span>(π/2)/</span></span><span>x'<span>(π/2)
</span></span></span></span>=0/1

=0

I hope my answer has come to your help. Thank you for posting your question here in Brainly.

6 0
3 years ago
Find A U B. please help much needed!
kvasek [131]

Answer:

A u B = {3,5,6,7,8,11,12}

Step-by-step explanation:

A = {3,6,7,11}

B = {3,5,7,8,12}

A u B = {3,5,6,7,8,11,12}

6 0
3 years ago
Which pyramid has a greater volume and how much greater is its volume?
Keith_Richards [23]

Answer:

A)

Step-by-step explanation:

I did the test and got it correct please mark brainliest. I know it is correct.

4 0
2 years ago
Simplify ten to the eighth divided by ten to the negative third.
In-s [12.5K]

Answer:

10^{11}

Step-by-step explanation:

A statement is given i.e. "ten to the eighth divided by ten to the negative third."

It means that 10 to power 8 divided by 10 to the power -3.

Mathematically,

\dfrac{10^8}{10^{-3}}

We know that, \dfrac{x^a}{x^b}=x^{a-b}

Here, x = 10, a = 8 and b = -3

So,

\dfrac{10^8}{10^{-3}}=10^{8-(-3)}\\\\=10^{8+3}\\\\=10^{11}

So, the answer is 10^{11}

7 0
3 years ago
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