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erastovalidia [21]
4 years ago
12

"Five times the difference of twice a number and three,

Mathematics
1 answer:
Gala2k [10]4 years ago
7 0

Answer:

4

Step-by-step explanation:

5(2x-3)-(x+8) = 13

10x-15-x-8 = 13

9x = 36

x = 4

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Let f(x)=2x+2. Solve f^-1(x) when x=4
Gre4nikov [31]
F⁻¹(x) stands for the invers of function f(x). The inverse of f(x) is equal to x. We need to solve for x.

solve for x
f(x) = 2x + 2
2x + 2 = f(x)
2x = f(x) - 2
  x = \dfrac{f(x)-2}{2}
f⁻¹(x) = \dfrac{x-2}{2}

Determine the value of f⁻¹(x) when x = 4
f⁻¹(x) = \dfrac{x-2}{2}
f⁻¹(4) = \dfrac{4-2}{2}
f⁻¹(4) = \dfrac{2}{2}
f⁻¹(4) = 1
When x = 4, the value of f⁻¹(x) is equal to 1
4 0
3 years ago
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cestrela7 [59]

Answer:

2.7 litres of solution

Step-by-step explanation:

8 0
3 years ago
Hey! i’ll give brainliest please help
miss Akunina [59]

Answer:

D

Step-by-step explanation:

8 0
3 years ago
Solve for p: p(5-2n) = 5/6-1/3
Hatshy [7]
Factor out P:
p(-3n+5)=½
Divide both sides by -3n+5:
p(-3n+5)^-3n+5

½^-3n+5

p=1^-6n+10
6 0
4 years ago
CAN SOMEONE HELP ME PLEASE ASAP!?
valentinak56 [21]

Answer:

last option

Step-by-step explanation:

b) 1/6 = 16.7 to 1dp

c) 45% = 45/100 = 9/20

d) 7/9 = 77.8% to 1dp

8 0
3 years ago
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