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Mademuasel [1]
3 years ago
9

What is this symbol? and can someone please solve this algebra equation for me please?

Mathematics
2 answers:
omeli [17]3 years ago
3 0
Well that symbol is an indention or multiply sign of expression
Vinil7 [7]3 years ago
3 0
The symbol stands for raising to a power. It's called a carat symbol. This is x to the second power.
(x + 1)(x + 1)= 0
x = -1, x = -1
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On Tuesday at lunchtime, it was 29 degrees Celsius. By sunset, the temperature had dropped to 16 degrees Celsius. Please write a
ss7ja [257]

Answer:

Expression is; 29 - x = 16

I've attached an image showing the number line

Step-by-step explanation:

We are told that at lunchtime, it was 29 degrees Celsius and that by sunset, the temperature had dropped to 16 degrees Celsius.

Let the drop be x.

Thus;

29 - x = 16

I've attached an image showing the number line

6 0
3 years ago
the value of a 3,500 dollar investment decreases to 2550 dollars in 1 year. what percent decrease doe this represent
Marta_Voda [28]

Answer:

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Step-by-step explanation:

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sergejj [24]
I'll just factor the above equation.

x² + 18x + 80

x² ⇒ x * x
80
can be:
1 x 80
2 x 40
4 x 20
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8 x 10  Correct pair

(x+8)(x+10)
x(x+10) +8(x+10) ⇒ x² + 10x + 8x + 80 = x² + 18x + 80

x+8 = 0
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x+10 = 0
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x = -8

(-8)² + 18(-8) + 80 = 0
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(-10)² + 18(-10) + 80 = 0
100 - 180 + 80 = 0
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I think the algebra tiles will not be a good tool to use to factor the quadratic equation because the equation is not a perfect square quadratic equation.
5 0
3 years ago
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Answer:

Step-by-step explanation:

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n200080 [17]

Answer:

Situation 2 (B)

Step-by-step explanation:

I think it would be B since the power of the gear increases proportionally with the radius.

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