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Arturiano [62]
4 years ago
7

A bag contains rubber bands with lengths that are normally distributed with a mean of 6cm of length, and a standard deviation of

1.5cm. What percentage of the rubber bands can be expected to be shorter than 3cm?
Mathematics
1 answer:
Phoenix [80]4 years ago
6 0
There are 2cm is the answer is this what your looking for 
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What is the cube root of 1000
seropon [69]
The cube root is 10 bc 10x10x10 = 100
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3 years ago
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Answer, will mark brainliest ^^ (worth 61 points)
Sergio [31]

Answer:

1) ven diagram #1

2)160

3) 420

4)16

Step-by-step explanation:

1) lets make a ratio table:

(look at image below, sorry for the horrible writing)

the original ratios are 18 and 17, and 18+17=35   35 is the number of students who play either or both sports. 30 is the number who play either sport:

so 35-30=5

5 students play both sports:

18-5=13(baseball)

17-5=12(basketball)

2) add up all the students who do band or sports and subtract from the total number of students

so

89/464+215/464= 304/464 students play in band or orchestra or both, to find the number of students who dont:

464-304=160

3) 630/1000+420/1000=1050/1000

1050/1000-210/1000=840/1000

840/1000-420/100=420/1000

420 ppl use brand p

4) 15+9=24

40-24=16

16 ppl

hope this helps!

3 0
3 years ago
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PLZ HURRY IT'S URGENT!!!
mr Goodwill [35]

Answer:

25 two point shots

25 three point shots

2x+3y<100 is that the one missing the sign?

Step-by-step explanation:

25*2=50

25*3= 75

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2x+3y has to be over 100 points

so 2x+3y<100

8 0
3 years ago
A triangle weighs 3 grams, and a circle weighs 6 grams. Use this applet to help find the weight of a square.
lesya [120]

Answer: 3.75 g

Step-by-step explanation:

Assume the weight of the square is x.

The hanger is in balance so the left side is equal to the right side.

Equation therefore is:

Triangle + Square + 3 * circle = 5* square + circle

3 + x + (3 * 6) = 5x + 6

3 + x + 18 = 5x + 6

5x - x = 3 + 18 - 6

4x = 15

x = 15/4

x =  3.75 g

7 0
3 years ago
On a coordinate plane, a circle has a center at (negative 2, 0). Point (negative 2, 4) lies on the circle.
wlad13 [49]

The correct answer to where the point(1, StartRoot 7 EndRoot) lies on the circle is A. Yes, the distance from (–2, 0) to (1, StartRoot 7 EndRoot) is 4 units

<h3>What is a Coordinate Plane?</h3>

This refers to the tool that is used to graph points on a two-dimensional plane that intersects two number lines.

Hence, given the information in the given diagram, there is a coordinate plane that shows a circle at the center that has certain values on the y and x-axis.

We can state that the point (1, StartRoot 7 EndRoot) lies on the circle shown because the distance from (–2, 0) to (1, StartRoot 7 EndRoot) is 4 units.

Read more about coordinate planes here:

brainly.com/question/7038052

#SPJ1

5 0
2 years ago
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