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gladu [14]
3 years ago
5

A jar contains 15 navy and 26 violet marbles. A marble is drawn at random. What is the probability that the marble is violet?

Mathematics
2 answers:
Eva8 [605]3 years ago
8 0

Answer:

63%

Step-by-step explanation:

26 plus 15 is overall marbles and then divide 26 by 41 then move decimal over two


Sav [38]3 years ago
5 0

Answer:

63% (rounded)

Step-by-step explanation:

First, you need to know how many marbles there are in total.

15 + 26 = 41

There are 41 marbles in total.

Out of 41 marbles, there are 26 <u>violets</u>. So you would divide 26 by 41.

26/41 = 0.63414634146...

Then you would round your number to 0.63.

The next step is to then change it to a percentage.

0.63 x 100 = 63

63% is your answer.


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Andrew [12]
To find the answer you will write and equation in terms of the cost of a bag of chips.  

3(cost of milk) + 4 (cost of water) + 8 (cost of bag of chips) = $21.30
   3 (2c +1.60)  +        4 (2c) +        8 (c) = $21.30 ; Simplify
  6c + 4.80   +  8c   + 8c = 21.30
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           - 4.80     -4.80
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The chips cost $0.75 each.

The milk costs (2 x $0.75 + $1.60) $3.10 each.

The water costs (2 x $0.75) $1.50 each.

5 0
4 years ago
2(x + 4)= -5 + 1 what is this answer
fiasKO [112]

Answer:

x=-6

Step-by-step explanation:

Given Equation:

                    2(x + 4)= -5 + 1

Solving the Equation for 'x':

                  2(x + 4)= -4

              2(x) + 2(4)= -4\\

                      2x+8=-4

Subtracting '8' both sides:

                        2x=-4-8

                        2x=-12

Dividing by '2' both sides:

                         x=-12/2\\

                           x=-6

The Solution for the equation is:  x=-6

6 0
3 years ago
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Evgesh-ka [11]

Answer: About 99.7% of sixth-grade students will have

heights between <u>51.1</u> inches and <u>64.9</u> inches.

Step-by-step explanation:

According to the empirical rule, 99.7% of data falls within the three standard deviations from the mean.

Given : Mean: \mu=58\text{ inches}

Standard deviation:=  \sigma=2.3\text{ inches}

Then, the  99.7% of sixth-grade students will have  heights between

\mu-3\sigma inches and \mu+3\sigma inches

i.e. 58-3(2.3) inches and 58+3(2.3) inches

i.e. 51.1 inches and 64.9 inches.

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3 years ago
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Answer:13

Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

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