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lana66690 [7]
2 years ago
11

A class rolls a number cube 100 times and records the results. A.Use these to predict how many times the class will roll the num

ber 4 in 1,000 trials. Show your work. B.Use these results to predict how many times an odd number will be rolled in 10,000 trials.
Mathematics
1 answer:
Sergio [31]2 years ago
4 0

Answer:

The answer is 15,000 i think.

Step-by-step explanation:

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True-False: Please select true or false and click "submit."
harina [27]
A true


because 53•(41•11)=23,903 and (53•41)•11=23,903


Hope this helped
4 0
3 years ago
Read 2 more answers
Find the range of the data set 7,510,9,15,12,6,9,7,10
Blizzard [7]

Answer: 10

Step-by-step explanation:

So to find range you take the highest number and subtract it by the lowest

3 0
2 years ago
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Stuck, anyone can help?
expeople1 [14]

Answer:

Step-by-step explanation:

\sqrt{x-3} = x - 5 ( x ≥ 3 )

( \sqrt{x-3} )² = ( x - 5 )²

x - 3 = x² - 10x + 25

x² - 11x + 28 = 0

(x - 4)(x - 7) = 0

x_{1} = 7

x_{2} = 4

Check the answer:

1). x = 7

\sqrt{7-3} = 7 - 2

√4 = 2

2 = 2

2). x = 4

\sqrt{4-3} = 4 - 5

1 = - 1 (False statement) ⇒ x = 4 is an extraneous solution.

6 0
2 years ago
A circle is defined by the equation x2 + y2 – x – 2y – = 0. What are the coordinates for the center of the circle and the length
madreJ [45]
X^2 + y^2 - x - 2*y = 0
To find both coordinates and radius we need to make this equation in circle form:
(x-a)^2 + (y-b)^2 = r^2

x^2 - 2*1/2*x + 1/4 - 1/4 + y^2 - 2*1*y + 1 - 1 = 0
Here we are adding and subtracting numbers in order to get square binomial.
(x - 1/2)^2 + (y-1)^2 = 5/4

coordinates of center are (1/2,1) and the radius is √\frac{5}{4}
6 0
3 years ago
Read 2 more answers
What is the length of XPY in terms of pi?
Elis [28]
Circumference of a circle = 2πr

Circumference of the whole circle= 2π(30) = 60π

360 - 90 = 270 

Length XPY = 270/360 x 60π = 45π

Answer: 45π m
5 0
3 years ago
Read 2 more answers
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