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bogdanovich [222]
3 years ago
12

A ratio is?

Mathematics
1 answer:
Rama09 [41]3 years ago
8 0
In mathematics, a ratio<span> is a relationship between two numbers indicating how many times the first number contains the second. For example, if a bowl of fruit contains eight oranges and six lemons, then the </span>ratio<span> of oranges to lemons is eight to six (that is, 8:6, which is equivalent to the </span>ratio<span> 4:3\

</span>
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The Wright family and the James family each used their sprinklers last summer. The water output rate for the Wright family's spr
padilas [110]

Answer:

3.5 hrs

Step-by-step explanation:

3 0
2 years ago
A camera is accidentally dropped from a helicopter at a height of 4,096 ft. If the equation for height as a function of time is
Nesterboy [21]

9514 1404 393

Answer:

  16 seconds

Step-by-step explanation:

You want to find t such that h(t) = 0

  h(t) = -16t^2 +4096 . . . equation for height

  0 = -16t^2 +4096 . . . . .equation for height = 0

  16t^2 = 4096 . . . . add 16t^2

  t^2 = 256 . . . . . . . divide by 16

  t = 16 . . . . . . . . . . . take the positive square root

It will take 16 seconds for the camera to hit the ground.

5 0
3 years ago
Read 2 more answers
Use your calculator to find the smallest solution to <img src="https://tex.z-dn.net/?f=-5e%5E%7B-4x%2B2%7D%2B3%3D%5Cfrac%7B1%7D%
Andru [333]
I read this as -5e⁻⁴ˣ⁺²+3=½log₁₀(x²+1).
If this is not right the steps below can guide you to a possible solution when the correct formula is used.
My calculator is a Casio fx-85GT PLUS which has a function facility (MODE 3: TABLE).
I input the function: -5e⁻⁴ˣ⁺²+3-½log₁₀(x²+1). I assumed that log was log to base 10 rather than natural log ln.
The facility asks me to input a start value, end value and step value. I chose -10, 10 and 1 initially.
After a few seconds of evaluating a table of results the calculator showed me the results of plugging in x=-10 up to 10 in steps of 1.
The results showed the evaluation for each of the 21 values and I looked for the sign of the result to change.
For x=0 the result was -33.95 approx and for x=1 it was 2.1728 approx. So between 0 and 1 there is a zero, a solution for x.
I returned to the function and changed the parameters to start=0, end=1, step=0.1 to begin the next evaluation.
This time the sign change occurred between x=0.6 and 0.7.
I returned to the function with parameters: start=0.6, end=0.7, step=0.01.
The sign change occurred between 0.63 and 0.64, the start and end parameters with step=0.001 for the next iteration.
The solution is between 0.633 and 0.634.
Repeat the process one more time with step=0.0001. The sign change was between 0.6338 and 0.6339 so the solution to three dec places is 0.634.
7 0
3 years ago
In a poll last year, the residents of a town were asked to rate the mayor on a scale of -10 to 10 points. The mayor received an
madreJ [45]

Answer:

-3

Step-by-step explanation:

   

4 0
2 years ago
What is the range of the function f(x) = 3x − 12 for the domain {-2, 2}?
Scilla [17]

your answer is
x2
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x3
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7 0
3 years ago
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