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Sidana [21]
3 years ago
15

Two neon lights are turned on at the same time. One blinks every 4 seconds and the other blinks every 5 seconds. In 60 seconds,

how many times will they blink at the same time?
Mathematics
1 answer:
Vikki [24]3 years ago
5 0

3

Hope this helps! :)

______________

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Marizza181 [45]
The angle measurement is 68 which is a right?
6 0
2 years ago
after the holiday season, the average number of costumers per day at the game galaxy store decreased from 612 to 450. find the p
andrey2020 [161]
Simple, finding markdown, use these two formulas.

Markdown=Original-New
and
Percent Markdown= Markdown Amount/Original*100

So,

Markdown=612-450
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Markdown%= 162/612*100
M%=0.2647*100
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Thus, there was a 26.5% decrease.
5 0
3 years ago
The function h is given by h ( t ) = ( 1 − t ) ( 8 + 16 t ) models the height of a ball in feet, t seconds after it is thrown.
Elena-2011 [213]

9514 1404 393

Answer:

  • zeros: t = 1, t = -1/2
  • no: the domain of the function is t ≥ 0
  • 8 feet

Step-by-step explanation:

The zeros are the values of t that make the factors zero.

  1 -t = 0   ⇒   t = 1

  8 +16t = 0   ⇒   t = -8/16 = -1/2

The equation is used to model height after the ball is thrown. We don't expect it to be a good model before the ball is thrown (t < 0), so the zero in that region is extraneous.

Only the positive zero is in the function's domain, so that is the only one that is meaningful.

__

When t = 0 (at the time the ball is thrown), the function value is ...

  h(0) = (1 -0)(8 +0) = 8

The ball is thrown from a height of 8 feet.

7 0
3 years ago
a crafter wants to make 20% profit on the items he makes. if the cost of materials is $1.20, what should the items sell for to m
Alborosie
The crafter should sell his crafts for $6
8 0
3 years ago
Math help!!!?<br> How do I solve this problem? Can anyone explain?
garik1379 [7]
First you find what fits the qualifications of the function.
Part 1: f(0) fits with x<= 1, so you simply plug in 0 for that function.
(0)^2 = 1

Part 2: f(x) = 1 
That means there is a horizontal straight line intersecting (0,1)


3 0
3 years ago
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