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3 years ago

Kathy designed a square patio. She made the sides of the patio 15 feet. What is the area of the patio?

Mathematics

1 answer:

viktelen [127]3 years ago

6 0

Answer:

225 feet.

Step-by-step explanation:

15 X 15

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120 sweets are shared out into three piles, in

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Answer:

Step-by-step explanation:

3+4+1=8

120/8=15

3:4:1

45:50:15

50-15=35

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3 years ago

HELPP RUNNING OUT OF TIME

Semenov [28]

$6^{3}=216$

Therefore answer is B.

$6^{0}=1$
$6^{1}=6$
$6^{2}=36$
$6^{4}=1296$

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3 years ago

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Maria has 180 pieces of chocolate candy and 144 pieces of fruity candy. She wants to give each child the same amount of candy so

ValentinkaMS [17]

144, cause each child gets a chocolate and a fruit candy

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3 years ago

Customers arrivals at a checkout counter in a department store per hour have a Poisson distribution with parameter λ = 7. Calcul

IgorLugansk [536]

Answer:

(1)14.9% (2) 2.96% (3) 97.04%

Step-by-step explanation:

Formula for Poisson distribution: $P(k) = \frac{\lambda^ke^{-k}}{k!}$ where k is a number of guests coming in at a particular hour period.

(1) We can substitute k = 7 and $\lambda = 7$ into the formula:

$P(k=7) = \frac{7^7e^{-7}}{7!}$

$P(k=7) = \frac{823543*0.000911882}{5040} = 0.149 = 14.9\%$

(2)To calculate the probability of maximum 2 customers, we can add up the probability of 0, 1, and 2 customers coming in at a random hours

$P(k\leq2) = P(k=0)+P(k=1)+P(k=2)$

$P(k\leq2) = \frac{7^0e^{-7}}{0!} + \frac{7^1e^{-7}}{1!} + \frac{7^2e^{-7}}{2!}$

$P(k \leq 2) = \frac{0.000911882}{1} + \frac{7*0.000911882}{1} + \frac{49*0.000911882}{2}$

$P(k\leq2) = 0.000911882+0.006383174+0.022341108 \approx 0.0296=2.96\%$

(3) The probability of having at least 3 customers arriving at a random hour would be the probability of having more than 2 customers, which is the invert of probability of having no more than 2 customers. Therefore:

$P(k\geq 3) = P(k>2) = 1 - P(k\leq2) = 1 - 0.0296 = 0.9704 = 97.04\%$

4 0

3 years ago

Chau will run at most 28 miles this week. So far, he has run 18 miles. What are the possible numbers of additional miles he will

AysviL [449]

Answer:

Step-by-step explanation:

18 + x ≤ 28

x ≤ 28 - 18

x ≤ 10

1 ≤ x ≤ 10

3 0

3 years ago