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jonny [76]
3 years ago
7

What is the axis of symmetry of the function f(x)=(x+5)(x-3)

Mathematics
1 answer:
podryga [215]3 years ago
4 0

The axis of symmetry is X= -0.9999995

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galina1969 [7]

How to get answer for number 1: | 4+2i |

\left|a+bi\right|\:=\sqrt{\left(a+bi\right)\left(a-bi\right)}=\sqrt{a^2+b^2}\\\mathrm{With\:}a=4,\:b=2\\=\sqrt{4^2+2^2}\\Refine\\=\sqrt{20}\\\sqrt{20}=2\sqrt{5}\\=2\sqrt{5}

How to get answer for number 2: | 5-i |

\left|a+bi\right|\:=\sqrt{\left(a+bi\right)\left(a-bi\right)}=\sqrt{a^2+b^2}\\\mathrm{With\:}a=5,\:b=-1\\=\sqrt{5^2+\left(-1\right)^2}\\=\sqrt{26}

Number 3 how to get answer: | -3i |

\left|a+bi\right|\:=\sqrt{\left(a+bi\right)\left(a-bi\right)}=\sqrt{a^2+b^2}\\\mathrm{With\:}a=0,\:b=-3\\=\sqrt{0^2+\left(-3\right)^2}\\Refine\\=\sqrt{9}\\\sqrt{9}\\\mathrm{Factor\:the\:number:\:}\:9=3^2\\=\sqrt{3^2}\\\mathrm{Apply\:radical\:rule}:\quad \sqrt[n]{a^n}=a\\\sqrt{3^2}=3\\= 3

4 0
3 years ago
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From 85 books to 150
Lostsunrise [7]
I'm not sure what the question is but I think your asking 150-85=65
8 0
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Show that 2 1/3 × 3 3/4 = 8 3/4
alexgriva [62]

Answer:

Here you go :)

Step-by-step explanation:

(2 1/3)(3 3/4)

= 7/3(3 3/4)

= 7/3(15/4)

= 35/4

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I hope this helps, if it doesn't then just message me and ill be more than happy to help :)

3 0
2 years ago
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B would be the least wise...loans have interest which means that when you get around to paying them back you owe more than you borrowed and you can get yourself into even deeper debt. Hope this helps, and if you are able to do so, please mark Brainliest! Thanks!
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3 years ago
you rent an apartment that costs $1600 per month during the first year ,but the rent is set to go up 11.5% per year.what would b
RoseWind [281]

Answer:

$4,750.

Step-by-step explanation:

To determine the rental value of the apartment in the tenth year, knowing that it is worth 1,600 during the first year but that it will be adjusted annually to 11.5%, the following calculation must be made:

X = 1,600 x (1 + 0.115) ^ 10

X = 4,751.91

Thus, at ten years, rounded to the nearest tenth, the rental value will be $ 4,750.

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3 years ago
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