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Digiron [165]
2 years ago
11

Which of the following is a valid exclusion for the algebraic expression

Mathematics
1 answer:
zheka24 [161]2 years ago
3 0

Answer:

4a^2b-8ab^2

Step-by-step explanation:


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Sophie uses 18 beads to make a necklace.Three sixths of the beads are purple.How many beads are purple
OLga [1]
3/6 of the beads are purple

3/6 simplified = 1/2

1/2 of 18, or 18/2 = 9

9 beads are purple

hope this helps
8 0
3 years ago
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Rafael has a bag of marbles, there are 5 green marbles, 6 red marbles, and 4
yulyashka [42]

The probability of getting red marble from the consider withdrawal of a marble is 0.107 approximately.

<h3>How to calculate the probability of an event?</h3>

Suppose that there are finite elementary events in the sample space of the considered experiment, and all are equally likely.

Then, suppose we want to find the probability of an event E.

Then, its probability is given as

P(E) = \dfrac{\text{Number of favorable cases}}{\text{Number of total cases}} = \dfrac{n(E)}{n(S)}

where favorable cases are those elementary events who belong to E, and total cases are the size of the sample space.

Given that:

The bag contains:

  • 5 green marbles,
  • 6 red marbles,
  • 45 white marbles.
  • Rafael draws one marble at random

Since he draws one marbel, thus, only one colored marble would come out.

Let we suppose we've to find P(red marble coming out).

Then, if we take:

E = event of Rafael drawing a red marble,

then E can be done in 6 ways as there are 6 red marbles to choose from.

Also, withdrawal of 1 marble (of any color) can be done in (5+6+45 = 56) 56 ways.

Thus, we get:

P(E) = P(\text{Choosing a red marble}) = \dfrac{6}{56} = \dfrac{3}{28} \approx 0.107

Thus, the probability of getting red marble from the consider withdrawal of a marble is 0.107 approximately.

Learn more about probability here:

brainly.com/question/1210781

#SPJ1

3 0
2 years ago
The attachment is above
Alenkasestr [34]

Answer:21

Step-by-step explanation:

6 0
2 years ago
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The expression above can also be written in the form <br> So what is A =
nydimaria [60]

Answer:

what is the expressio

Step-by-step explanation:

3 0
1 year ago
Determine whether each pair of ratios are equivalent. Explain (3/5),(9/15)
Lyrx [107]
Multiple both ratios by a least common denominator 
the least common denominator for both is 15
multiply the first ratio by 3/3
9/15=9/15 
both are equal because when multiplying by the least common denominator you get the same answer
6 0
3 years ago
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