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Zarrin [17]
3 years ago
5

I’m begging you too pls pls pls pls help! I’d appreciate it so much. This is independent work and I have no clue of what this me

ans so pls comment as fast as u can because according to my teacher this was supposed to be due yesterday and I’m just doing it today. Pls help thank you so so so much! Pls don’t waste time thanks again! (Pls help Asap!)

Mathematics
1 answer:
harkovskaia [24]3 years ago
3 0

Answer:

his dad was cutting the grass for 1 hour and 4 minutes i hope this helps

Step-by-step explanation:

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A newspaper reported that 4040​% of people say that some coffee shops are overpriced. The source of this information was a telep
vampirchik [111]

Answer:

a. Identify the population of interest in this study.

  • all the population of the country

b. Identify the sample for the study.

  • 50 adults (the ones that were surveyed)

c. Identify the parameter of interest in the study.

  • the parameter of interest is the people that believe that coffee shops are overpriced

d. Find and interpret a 95​% confidence interval for the parameter of interest.

z score for a 95% confidence level = 1.96

margin of error (E) = z score x √{[0.4(1 - 0.4)] / 50} = 1.96 x 0.069282 = 0.13579

95% confidence level interval:

0.4 - 0.13579 = 0.26421

0.4 + 0.13579 = 0.53579

  • 95% confidence interval (0.26421 , 0.53579)

5 0
4 years ago
Three regular hexagons are put together to make a larger shape. The perimeter of one of the regular hexagons is 18cm. Find the p
pogonyaev

Answer:

steps below

Step-by-step explanation:

2 kinds of larger shapes can be make

kind 1: 18 x 4 x 3 = 216 cm

kind 2: 18 x (5+5+4) = 252 cm

5 0
3 years ago
If possible, choose k so that the following function is continuous on any interval:
Alexxx [7]
We need to cancel out the discontinuity in x = 4

In order to do that, factorize the numerator:
5x⁴ - 20x³ = 5x³(x-4)

This way, your function will be:
f(x) = <span>5x³(x-4) / (x-4)

and the two parentheses cancel out, leaving
</span>f(x) = <span>5x³ 
</span>
which at x = 4 gives:
f(4) = <span>5·4³</span> = 5 · 64 = 320

Therefore K = 320.

5 0
3 years ago
Urgent!
Doss [256]

Answer:

{(1 - 2x)}^{p}  = 1 + ( - 2x)p + \frac{1}{2!}  p(p - 1) {( - 2x)}^{2}  + ... \\ \frac{4}{2!}  p(p - 1)   = 40 \\ p(p - 1) = 20 \\  {p}^{2}  - p = 20 \\   {p}^{2}  - p  -  20  = 0\\ ( p  - 5)(p + 4) = 0\\  p = 5 \: or \: p =  - 4 \\  \because \: p > 0 \\  \therefore \: p = 5 Apply the binomial expansion...

7 0
3 years ago
The intensity, or loudness, of a sound can be measured in decibels (dB), according to the equation I (d B) = 10 log left-bracket
laila [671]

Answer:

<h2>The intensity in decibel is 320 decibel </h2>

Step-by-step explanation:

Given the intensity, or loudness, of a sound  measured in decibels (dB), according to the equation I (dB)= 10log(\frac{I}{Io} ) where;

I is the intensity of a given sound and

Io is the threshold of hearing intensity

To get I(dB) when I=10^{32} Io

We will substitute the value of I = I=10^{32} Io into the equation above to have;

I (dB)= 10log(\frac{10^{32}Io }{Io} )\\I(dB)=10log10^{32}\\ I(dB)=32*10log10\\

Since log10 = 1;

I(dB)=32*10(1)\\I(dB)=320

The intensity in decibel is 320 decibel

7 0
4 years ago
Read 2 more answers
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