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fredd [130]
2 years ago
12

One less than twice a number is four less than its square.

Mathematics
1 answer:
IrinaK [193]2 years ago
8 0

Answer:

The correct answer is 3.

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A hiker walks at a speed of 3 2/5 kilometers per hour. How many kilometers will the hiker walk-in 3/4 hours?
kramer

Answer: 2.55 (or 51/20) kilometers

Step-by-step explanation: 17/5 km per one hour is 51/20 (2.55) km per 3/4 hours

6 0
2 years ago
What is the domain of the function y=3/x-1?<br> O<br> -00 O-1 O 0 O 1
viktelen [127]

Answer:

x ≠ 1.

Step-by-step explanation:

In mathematics, anything divided by 0 is null. It is not valid. And so, in this case, x - 1 must never equal 0, but it can be any number other than 0.

x - 1 = 0

x = 1

That means that the domain of the function is x ≠ 1.

Hope this helps!

6 0
3 years ago
How do you simplify 12 + 15 ÷ 3 × 6 – 4 step by step?
tatuchka [14]
Seperate the questions 12+15=25 ÷ by 3×6= 18-4= the answer
6 0
2 years ago
Find f(-2) for the following function. <br><br>f(x)=3.6x-2​
butalik [34]

Answer:

f(- 2) = - 9.2

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x) , that is

f(- 2) = 3.6(- 2) - 2 = - 7.2 - 2 = - 9.2

4 0
3 years ago
PLSSSSSS HELPPPPPPP FAST WILL GIVE BRAINLIEST
lubasha [3.4K]
The answer is the last option, hope this helps lol
8 0
2 years ago
Read 2 more answers
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