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Elis [28]
3 years ago
9

thomas bought a bag of jelly beans that contained 10 red, 15 blue, and 12 green. what is the probiblity of thomas reaching into

the bag and pulling out a red jelly bean and then reaching in again and pulling out a green or blue one? assume that the first jelly bean is not replaced
Mathematics
1 answer:
HACTEHA [7]3 years ago
6 0

Answer:

20%

10/37 * 27/36 = .202727 >>> 20%

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Pablo folds a straw into a triangle with side lengths of 4x2 – 3 inches, 4x2 – 2 inches, and 4x2 – 1 inches. The perimeter of th
Oduvanchick [21]
Perimiter=legntho f straw=12x^2-6

if x=1.5 inches
12(1.5)^2-6=legnth
12(2.25)-6=
27-6=
21

legnth is 21 inches

8 0
3 years ago
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The Northwest High School senior class decided to host a raffle to raise money for their senior trip. They charged $2 for each s
prisoha [69]
Let x be the tickets that the adults bought, andy be the tickets that children bought.
From the problem we have the system of linear equations:
\left \{ {{2x+5y=2686} \atop {y=3x}} \right.

The first thing we are going to do to solve our system, is replacing equation (2) in equation (1), and  then, solve for x
2x+5y=2686
2x+5(3x)=2686
2x+15x=2686
17x=2686
x= \frac{2686}{17}
x=158

Now that we have the number of tickets that the adults bought, lets replace that value in equation (2):
y=3x
y=3(158)
y=474

Last but not least, to find the total number of tickets, we are going to add x and y:
158+474=632

We can conclude that <span>Northwest High School's senior class sold 632 raffle tickets.</span>
7 0
3 years ago
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When multiplying or dividing a negative by a negative what will the result be
Alina [70]

Answer:

A positive number

Step-by-step explanation:

5 0
4 years ago
Which three fractions are less than 40% <br><br>A. 3/20 <br>B. 23/100 <br>C. 3/5 <br>D. 1/8​
storchak [24]

Answer:

A, B, D

Step-by-step explanation:

7 0
3 years ago
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Sofia has 25 coins in nickels and dimes in her pocket for a total of $1.65 how many of each type of coin does she have?​
Simora [160]

Answer:

She has 23 nickels and 5 dimes.

Step-by-step explanation:

Let n = the number of nickles and d = the number of dimes.

The number of each = 28. Set up the equation:

n + d = 28

Solve for n:

n = 28 - d

The total amount is $1.65 or 165 cents:

5n + 10d = 165

Substitute:

5(28 - d) + 10d = 165

140 - 5d + 10d = 165

140 + 5d = 165

5d = 165 - 140

5d = 25

d = 5, the number of dimes.

Solve for n:

n = 28 - d

n = 28 - 5 = 23, the number of nickles.

Proof:

5n + 10d = 165

5(23) + 10(5) = 165

115 + 50 = 165

165 = 165

Hope this Helps! Have an Awesome Day!!! <3

Step-by-step explanation:

8 0
3 years ago
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