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kipiarov [429]
2 years ago
14

Students are asked to simulate picking their favorite color from a list of six different colors. Which of the following devices

could be used to simulate choosing a favorite color? Select all that apply.
A coin flipped once
B One spin on a spinner with four equal sections
C A number cube
D Pieces of paper with each color on exactly one piece
E A random number table
Mathematics
1 answer:
8_murik_8 [283]2 years ago
7 0

Answer:

Step-by-step explanation:

A number cube has six sides so that would work rolling a die.. Also six pieces of paper drawn randomly without looking would work.

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Write a direct or inverse variation equation for each relation.
igor_vitrenko [27]

Answer:

6 it is 6

Step-by-step explanation:

6 0
3 years ago
Will give brainliest plz show work ASAP
MrMuchimi
Here is the work hope this helps!

5 0
2 years ago
What is the average rate of change of f(x), represented by the table of values, over the interval [-3, 2]?
maksim [4K]
You would select the points with the x-values -3 and 2 and use the slope formula:
(-3, -36) and (2,4)
m= \frac{y_2-y_1}{x_2-x_1} ← slope formula
x1 = -3 y1 = -36 and x2 = 2 y2 = 4

m= \frac{4--36}{2--3} = \frac{40}{5} =8
3 0
2 years ago
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You have been saving nickels, dimes, and quarters in a jar for about a year. You decide to see how much money you've saved up. W
anyanavicka [17]

Answer:

x = number of nickels = 127

y = number of dimes = 156

z = number of quarters = 78

Step-by-step explanation:

Let

x = number of nickels

y = number of dimes

z = number of quarters

Total worth of the coins = $41.45

Total number of coins = 361

x + y + z = 361 (1)

dime = $0.1,

nickel = $0.05

quarter = $0.25

0.05x + 0.1y + 0.25z = 41.45 (2)

twice as many dimes as quarters.

y = 2z

Substitute y = 2z into (1) and (2)

x + 2z + z = 361

0.05x + 0.1(2z) + 0.25z = 41.45

x + 3z = 361

0.05x + 0.2z + 0.25z = 41.45

x + 3z = 361 (3)

0.05x + 0.45z = 41.45 (4)

Multiply (4) by 20

x + 3z = 361 (3)

x + 9z = 829 (5)

Subtract (3) from (5)

9z - 3z = 829 - 361

6z = 468

Divide both sides by 6

z = 468 / 6

= 78

z= 78

Recall,

y = 2z

= 2(78)

= 156

y = 156

Substitute the value of y and z into

x + y + z = 361

x + 156 + 78 = 361

x + 234 = 361

x = 361 - 234

= 127

x= 127

x = number of nickels = 127

y = number of dimes = 156

z = number of quarters = 78

6 0
3 years ago
What is 90 divided by 2
Anon25 [30]
90 ÷ 2 is the same as 1/2 of 90.

Either way you get 45.
7 0
3 years ago
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