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4 years ago

13

Michaela has 3 yards of ribbon to use for a craft project because the ribbon into pieces that are 1/4 yard long how many pieces

of ribbon does Mikaela have

1 answer:

Alinara [238K]4 years ago

4 0

The answer is 12 because you divide 3 by 1/4

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There are 5 red marbles, 2 Green marbles and 3 black marbles. What is the probability that red or black is chosen?(answer in dec

ANEK [815]

Answer:

.8

Step-by-step explanation:

5 red marbles, 2 Green marbles and 3 black marbles = 10 marbles

P (red or black) = number of red or black/ total

= (5+3)/10

=8/10

decimal form = .8

5 0

3 years ago

Read 2 more answers

Express 200085000 in scientific notation<br>

ira [324]

Answer:

2.00085 * 10^8

Step-by-step explanation:

7 0

4 years ago

The random variable x is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the proba

mart [117]

Answer:

The probablility that there are 8 occurrences in ten minutes is 0.00518 or 0.5%.

Step-by-step explanation:

The distribution that represents the ocurrence of this events is the Poisson distribution.

The probability of having k events in a ten-minute-period can be expressed as:

$P(x=k)=\frac{ \lambda^ke^{-k}}{k!}$

being λ the mean number of occurrences in ten minutes.

The probablility that there are 8 occurrences in ten minutes can be calculated as:

$P(x=k)=\frac{ \lambda^ke^{-k}}{k!}\\\\P(x=8)=\frac{5.3^8e^{-8}}{8!}=\frac{(622596*0.000335463)}{40320}=0.00518$

The probablility that there are 8 occurrences in ten minutes is 0.00518 or 0.5%.

5 0

3 years ago

John bought 3 pizzas. He had a coupon for $1.50 off of each pizza, and the total amount he had to pay was $46.50. What was the o

faust18 [17]

Answer:

I think it is 15.5

Step-by-step explanation:

so sorry if i am incorrect

6 0

3 years ago

Write another name for AE ? need asap

polet [3.4K]

Answer:

EA, or s

Step-by-step explanation:

The line AE could also be named any of the following:

AC, EC, CE, CA, EA

If you’re only looking at the line segment AE, the only option is:

EA

Since I don’t know whether you need the line or line segment, you might want go with EA since it’s on both lists. It could also be line s.

7 0

3 years ago