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meriva
3 years ago
14

HELP PLEASE 75 POINTS PLUS BRAINLIEST

Mathematics
2 answers:
Cerrena [4.2K]3 years ago
8 0

Answer: for orange u reverse when u flip for green i answer

-4 < x _< 9

Step-by-step explanation:

Pachacha [2.7K]3 years ago
5 0

Answer:

Answer: ]-4, 9] or (-4, 9]

You reverse the inequality symbol when you multiply by -1

Step-by-step explanation:

-7 < x - 3 < = 6   / +3

-7 + 3 < x - 3 + 3 <= 6 + 3

-4 < x <= 9

Answer: ]-4, 9] or (-4, 9]

You reverse the inequality symbol when you multiply by -1

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Use completing the square to solve the equation x2 - 10x = -8.
Alenkasestr [34]
A. X^2-10x. =-8
To complete the square you get half of -10 and then square that number half of -10 is -5 and -5 times -5 equals positive 25 that would you add to each side

x^2-10x+25=-8+25
17
6 0
3 years ago
Read 2 more answers
Simplify the expressions. Show your work.
Hunter-Best [27]
7) Use distributive property
3x(4x⁴ - 5x)=3x*4x⁴- 3x*5x = 12x⁵ - 15x²
8) When you open parenthesis with minus sigh in front of it, you need change sings of the terms on opposite. Then find like terms.
(5x⁴-3x³+6x)-(3x³+11x²-8x)= 5x⁴-3x³+6x -3x³-11x²+8x =5x⁴-6x³ - 11x²+14x
9)(x-2)(3x-4)=x*3x-4x-6x+8=3x²-10x+8
10) (x+6)²=(x+6)(x+6)=x²+6x+6x+36=x²+12x+36
For (x+6)², you can also use the formula of the perfect square
(a+b)²=a²+2ab+b²
For (x+6)² =x²+2*x*6 +6²=x²+12x+36


5 0
3 years ago
25pts for correct answer with explanation Find the value of x when 2(x - 3) + 1 = 3x + 4
trapecia [35]
The answer is A) -1.
3 0
3 years ago
How to model the problem
Ilia_Sergeevich [38]
Change 5/3 to 15/9. Then add 15 + 17 and put it over 9. 32/9
7 0
3 years ago
Which property is shown?
GenaCL600 [577]

Answer:

A. Transitive Property




7 0
3 years ago
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