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alina1380 [7]
3 years ago
12

What is the vertex of r(x) ? Use r(x)=1/2(x+9)(x-5)

Mathematics
1 answer:
IceJOKER [234]3 years ago
3 0

(0, -[\frac{45}{2})

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Find x, y, and z.<br><br> Show all of your work for full credit.
Stella [2.4K]
If you can't read it, I'll do my best to translate:
Z) 10^2 + 5^2 = 125
√125 = 11.18 = Z

Y) tan-1(5/10) = 26.57°
90 + 26.57 = 116.57
180 - 116.57 = 63.43°
5 ÷ sin(63.43) = 8.88 = Y

X) 11.18^2 + 8.88^2 = 203.8468
√203.8468 = 14.28
14.28 - 10 = 4.28 = x

All numbers are rounded to 2 decimal places, if you need any explanations for why I did something then just let me know :)
I hope this helps!

7 0
3 years ago
Please answer no links math data
Degger [83]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Profit made when we spend $ 2000 on advertising is ~

  • \approx{ \$ \: 24285.7}

Refer to attachment for solution ~

5 0
3 years ago
PLEASE HELP!! I found out the monthly rent but i don’t know how to write this equation in slope intercept form!! (i added a phot
Pani-rosa [81]
Your formula for slope intercept is y=mx+b
7 0
2 years ago
Madelyn hikes 190.5 meters up a mountain. If she is 62% of the way up, how tall is the mountain? Round to the nearest whole mete
erik [133]

Answer:

307 meters tall

Step-by-step explanation:

190.5 / 62 = x / 100

19050 / 62 = 307

If it is rounded up.

6 0
2 years ago
Read 2 more answers
Which expression is equivalent to
photoshop1234 [79]

Answer:

2x^{10}y^{12}

Step-by-step explanation:

\huge \frac{60x^{20}y^{24}}{30x^{10}y^{12}}  \\  \\  = \huge \frac{2x^{20}y^{24}}{x^{10}y^{12}}  \\  \\  =  \huge 2x^{(20 - 10)}y^{(24 - 12)}\\  \\  =  \huge 2x^{10}y^{12}

4 0
3 years ago
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