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Alex777 [14]
3 years ago
10

Smart phone users between 18 and 24 years of age send on average 64 text messages per day with a standard deviation of 10 messag

es about what percentage of smartphone users in this age groups in less than 51 text messages per day
Mathematics
1 answer:
inna [77]3 years ago
4 0

Answer:

9.68%

Step-by-step explanation:

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Kelly spends $63.90 on items for a party. She buys thank you cards that cost $5.40 (including tax). She also buys gift bags that
Klio2033 [76]
$63.90 (total)

$5.40 (cards)

$11.70/per (bags)

$63.90 - $5.40 = $58.50

$58.50 / $11.70 = 5

She invited 5 guests (b).
8 0
3 years ago
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Choose yes or no to tell whether the expression represent a 20% discount off the price of an item that originally cost d dollars
Vaselesa [24]

Answer: B. d - 0.2

Step-by-step explanation: 20%= 20/100= 0.2

Which means = d-0.2

Hope this helped.

8 0
3 years ago
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It has been estimated that the population of Indianapolis is growing at a rate of 0.9% per year. Assuming that population growth
Mumz [18]

Answer:

<em>2,136,605</em>

<em />

Step-by-step explanation:

To estimate growth, we use the formula shown below:

F=P(1+r)^t

Where

F is the future amount (we want to find for Jan 2024)

P is the present amount (present population of 1,988,817)

r is the rate of growth (0.9% means 0.009)

t is the time in years (from Jan 2016 to Jan 2024 is 8 years, t = 8)

<em>Let's put these into the formula and figure out F:</em>

<em>F=P(1+r)^t\\F=1,988,817(1+0.009)^8\\F=2,136,604.5</em>

<em />

<em>Rounding we get the population in Jan 2024 to be </em><em>2,136,605</em>

3 0
3 years ago
WILL MARK U AS BRAINLIEST HELP PLZ. (Show work)
Alexus [3.1K]

Answer:

For #3 the answer is 113.04 (6 + g) / 32

Step-by-step explanation:

A = Pi * r * (r + g)

12/2 = 6 ft

A = 3.14 * (6) * (6 + g) = 113.04 (6 + g) square feet

113.04 (6 + g) / 32

8 0
3 years ago
Question on image. <br><br> will report answers out of question. Thank you
olchik [2.2K]

Answer:

84°

Step-by-step explanation:

< DEB = ½× (31+ 137) = ½× (168) = 84°

3 0
3 years ago
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