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Svet_ta [14]
3 years ago
15

Lana is using a can opener to open a can of soup. Every time she twists the knob of the can opener, the can turns 36 degrees. Ho

w many times does Lana have to twist the knob of the can opener to make the can turn in a full circle? A. 10 Times. B 36 times. C.4 times. D. 360 times.
Mathematics
2 answers:
In-s [12.5K]3 years ago
4 0

Answer:

A

Step-by-step explanation:

There are 360 degrees in a circle. 36 is one tenth of 360. It will take 10 turns to reach 360 degrees, and open the can.

Amiraneli [1.4K]3 years ago
4 0

Answer:

A

Step-by-step explanation:

the other guy was correct

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dlinn [17]

Answer:

4x + 28.4 in.

Step-by-step explanation:

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perimeter = 4x + 28.4

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3 years ago
What is 1/4 to the power of 3
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Answer:0.015625

Step-by-step explanation:

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the answer is A.

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The height h of a projectile is a function of the time t it is in the air. the height in feet for t seconds is given by the func
alexgriva [62]

Domain means the values of independent variable(input) which will give defined output to the function.

Given:

The height h of a projectile is a function of the time t it is in the air. The height in feet for t seconds is given by the function

h(t)=-16t^2 + 96t

Solution:

To get defined output, the height h(t) need to be greater than or equal to zero. We need to set up an inequality and solve it to find the domain values.

To \; find \; domain:\\\\h(t) \geq0\\\\-16t^2+96t \geq  0\\Factoring \; -16t \; in \; the \; left \; side \; of \; the \; inequality\\\\-16t(t-6) \geq  0\\Step \; 1: Find \; Boundary \; Points \; by \; setting \; up \; above \; inequality \; to \; zero.\\\\t(t-6)=0\\Use \; zero \; factor \; property \; to \; solve\\\\t=0 \; (or) \; t = 6\\\\Step \; 2: \; List \; the \; possible  \; solution \; interval \; using \; boundary \; points\\(- \infty,0], \; [0, 6], \& [6, \infty)

Step \; 3:Pick \; test \; point \; from \; each \; interval \; to \; check \; whether \\\; makes \; the \; inequality \; TRUE \; or \; FALSE\\\\When \; t = -1\\-16(-1)(-1-6) \geq  0\\-112 \geq  0 \; FALSE\\(-\infty, 0] \; is \; not \; solution\\Also \; Logically \; time \; t \; cannot \; be \; negative\\\\When \; t = 1\\-16(1)(1-6) \geq  0\\80 \geq  0 \; TRUE\\ \; [0, 6] \; is \; a \; solution\\\\When \; t = 7\\-16(7)(7-6) \geq  0\\-112 \geq  0 \; FALSE\\ \; [6, -\infty) \; is \; not \; solution

Conclusion:

The domain of the function is the time in between 0 to 6 seconds

0 \leq  t \leq  6

The height will be positive in the above interval.

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