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Nutka1998 [239]
3 years ago
8

1. Write down the solution set for each system with variables x, y, and z. zi cexo

Mathematics
1 answer:
insens350 [35]3 years ago
6 0

Answer: need point so HA!

Step-by-step explanation:

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Find the inverse of each function.
Novosadov [1.4K]

as you should know, to get the inverse of any expression, we start off by doing a quick switcheroo on the variables and then solve for "y".

\stackrel{f(x)}{y}=\sqrt{x}-5\implies \stackrel{\textit{quick switcheroo}}{x=\sqrt{y}-5}\implies x+5=\sqrt{y} \implies (x+5)^2=y \\\\\\ \stackrel{F~O~I~L}{(x+5)(x+5)}=y\implies x^2+10x+25=\stackrel{f^{-1}(x)}{y}

3 0
2 years ago
An equilateral triangle has what type of symmetry?
blondinia [14]

Answer:

An equilateral triangle has 3 lines of symmetry

Hope this helps

Step-by-step explanation:

7 0
3 years ago
Please help me now plz I will mark you brainliest
Genrish500 [490]

Answer:

5.66 units.

Step-by-step explanation:

cos 25 =- adjacent side / hypotenuse

cos 25 = 4 / AB

AB  cos 45 = 4

AB = 4 / cos 45

= 5.66.

3 0
3 years ago
What is the converted metric unit for 75 cm
STALIN [3.7K]

Answer:

To inches?

Step-by-step explanation:

75 cm = is about like 30 inches

7 0
3 years ago
What is 20x8 divided by 3-5
german

Answer:

-80

Step-by-step explanation:

→ Complete the multiplication

20 × 8 = 160

→ Complete the take away

3 - 5 = -2

→ Divide the two answers from each other

160 ÷ -2 = -80

7 0
2 years ago
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