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s344n2d4d5 [400]
2 years ago
13

You want to do a quick estimate to the ones place of the sum of the following set of data. Pick the correct estimation.

Mathematics
2 answers:
ikadub [295]2 years ago
7 0

Answer:

18

Step-by-step explanation:

it is the correct answer.

frez [133]2 years ago
3 0

Answer:16

Step-by-step explanation:

16

3.5 - 4

6.7 - 7

3.2 - 3

1.7 - 2

Add those up and you get 16

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Striking a tuning fork harder makes the sound coming from the fork louder. This changes the _________ of the sinusoidal graph.
Vera_Pavlovna [14]

Answer:

Amplitude.

Step-by-step explanation:

Loudness of a sound wave is proportional to its amplitude of vibration.

3 0
2 years ago
The probability of a hurricane being within 100 miles of a location in two days is 40%.
Alex_Xolod [135]
What is the question here
8 0
3 years ago
A plastic sun visor allows light to pass through but reduces the intensity of the light. the intensity is reduced by 5% if the p
irinina [24]

Answer: The equation is f(x) = 0.95^{x};

The piece of plastic has to have 10mm of thickness.

Step-by-step explanation: It is known that with 1 mm of thickness, 5% of the intensity is reduced. So, 95% of the light is transmitted.

For each milimetre added, "more" 95% of light is transmitted.

For example, if another milimetre of plastic is added, another 0.95 of light is transmitted:

0.95.0.95 = 0.9025 of light reach the visor

So, the model that relate thickness of plastic and intensity of light is:

f(x) = 0.95^{x}

in which:

f(x) is the intensity of light;

x is thickness in mm;

Using the equation, the thickness necessary to reduce intensity to 60% is:

f(x) = 0.95^{x}

0.6 = 0.95^{x}

log 0.6 = log 0.95^{x}

x. log (0.95) = log (0.6)

x = \frac{log 0.6}{log 0.95}

x = 9.95

x ≈ 10

The thickness necessary to reduce intensity of light to 60% is 10mm.

6 0
3 years ago
Read 2 more answers
The hourly cost of renting office space in Manhattan is shown by the graph below. The hourly cost of renting office space in Bro
Liula [17]

Answer:

Brooklyn is more expensive

Step-by-step explanation:

4 0
3 years ago
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Lisa made $165 for 11 hours of work. At the same rate, how much would she make for 13 hours of work? Pls help​
ss7ja [257]

Answer: 195

Step-by-step explanation: Well first you would do 165 divided by 11 to find the rate. Then multiply what you got as your rate by 13. Then you would get 195.

3 0
3 years ago
Read 2 more answers
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