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3 years ago

what geometric shape may describe a quadrilateral that has two sides with length 8 cm and two sides with length 5 cm

Mathematics

2 answers:

777dan777 [17]3 years ago

6 0

Perimeter<span> and area are two important and fundamental mathematical questions</span>

MrRissso [65]3 years ago

4 0

A rectangle would fit that description

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2 years ago

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Select all fo the expressions that are equivilent to 6x + 1 -(3x-1)

IrinaK [193]

6x+1-(3x-1)

6x+1-3x+1
6x-3x+1+1

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2 years ago

MODELING REAL LIFE The formula K = C + 273.15 converts temperatures from Celsius C to Kelvin K.

Bingel [31]

Answer:

a. 473.15

b. C=K-273.15

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2 years ago

Telemarketing. the probability that a call will reach a live person is 0.2. the calls are independent. (a) a telemarketer places

Sergeeva-Olga [200]

Solution: Telemarketing. the probability that a call will reach a live person is 0.2. the calls are independent. (a) a telemarketer places 5 calls. what is the probability that none of them reaches a live person.

Answer: The given random experiment can be considered as binomial experiment with probability of success = 0.2 and number of trials = 5

Therefore, we have:

$n=5,p=0.2,q=(1-p)=1-0.2=0.8$

Let x be the number calls that reach to live person.

We have to find $P(x=0)$

Using the binomial probability distribution, we have:

$P(x=0)=\binom{5}{0}0.2^{0} (1-0.2)^{5-0}$

$=1 \times 1 \times 0.8^{5}$

$=0.3277$

Therefore, the probability that none of them reaches a live person is 0.3277

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2 years ago

A regular pentagon shares a common center with a regular hexagon. If `bar(LM)` || `bar(AB)`, across how many lines of reflection

choli [55]

our lines of symmetry is made limited by the presence of the pentagon. If we slice the pentagon into two, the only line of symmetry we could create would be the line intersecting O and the median of LM. Other lines would not create a symmetrical half.

Therefore the line of reflection is only 1.

questioned answered by

(jacemorris04)

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3 years ago