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Alinara [238K]
3 years ago
12

9.Find the value of x. Work too please

Mathematics
1 answer:
zlopas [31]3 years ago
8 0

Answer: 1

Step-by-step explanation:

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This is a timed quiz. Pls, help. 50 points. 6th-grade math.
bonufazy [111]

Answer:

They did not survey customers at restaurants across Monster World.

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6 0
4 years ago
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help The screen in a theatre is 22 ft high and is positioned 10 ft above the floor, which is flat. The first row of seats is 7 f
Stella [2.4K]
 <span>(a.) 
Let's say α is the angle that subtends from the top of the screen to horizontal eye-level. 
Let β be the angle that subtends from the bottom of the screen to horizontal eye-level. 

tanα = (22 + 10 - 4) / x = 28/x 
α = arctan(28/x) 

tanβ = (10 - 4) / x = 6/x 
β = arctan(6/x) 

Ɵ = α - β 
Ɵ = arctan(28/x) - arctan(6/x) 

(b.) 
tanƟ = tan(α - β) = (tanα - tanβ) / (1 + tanα tanβ) 
tanƟ = (28/x - 6/x) / [1 + (28/x)(6/x)] 
tanƟ = (22/x) / [1 + (168/x²)] 
tanƟ = 22x / (x² + 168) 
Ɵ = arctan[22x / (x² + 168)]</span>
4 0
3 years ago
Lizzie buys 3 clocks for a total cost of £50 at a car boot sale. She sells 2 clocks for £22 each and the other for clock for £20
Vlad [161]

Answer:

yes she made  30% profit it says she sell 2 clocks for 20 and 22 each for the  other ones

Step-by-step explanation:

3 0
3 years ago
What is the volume of this rectangular prism?
Sav [38]

Answer:

Volume = 3

Step-by-step explanation:

l x w x h

3/2 * 4 * 1/2 = 3

I hope this helps :)

5 0
3 years ago
(x+1)^2 = -4<br> What are the solutions?
Svetradugi [14.3K]

Answer:

x = 4i - 1 or

x = 4i + 1

Step-by-step explanation:

(x+1)^2 = -4

x+1 = (+-)4i

x = +-4i - 1

==>

x = 4i - 1 or

x = 4i + 1

7 0
3 years ago
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