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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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What is the sum of a geometric series of 12 terms that begins with 10 and has a common ratio of 2
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4 0
3 years ago
Can someone please be amazing and help me solve number 2?
inessss [21]
The answer is

T2=(P2V2/T1)/P1V1

7 0
3 years ago
Question attached plz answer
Bezzdna [24]

Answer:

x = - 2.5

Step-by-step explanation:

Given that the sketch represents

y = x² + bx + c

The graph crosses the y- axis at (0 , - 14), thus c = - 14

y = x² + bx - 14

Given the graph crosses the x- axis at (2, 0), then

0 = 2² + 2b - 14

0 = 4 + 2b - 14 = 2b - 10 ( add 10 to both sides )

10 = 2b ( divide both sides by 2 )

b = 5

y = x² + 5x - 14 ← represents the graph

let y = 0 , then

x² + 5x - 14 = 0 ← in standard form

(x + 7)(x - 2) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 7 = 0 ⇒ x = - 7

x - 2 = 0 ⇒ x = 2

The x- intercepts are x = - 7 and x = 2

The vertex lies on the axis of symmetry which is midway between the x- intercepts, thus

the x- coordinate of the turning point is \frac{-7+2}{2} = \frac{-5}{2} = - 2.5

8 0
3 years ago
A 21 inch piece of steel is cut into three pieces so that the second piece is twice as long as the first, the third piece is 3 i
mestny [16]
3f+3=t
s=2f
21=f+s+t                       

21=f+(2f)+(3f+3)
21=6f+3
18=6f

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6=second
12=third


8 0
3 years ago
A cylinder and a cone have congruent heights and radii.what is the ratio of the volume of the cone to the volume of the cylinder
NemiM [27]

Answer:

1: 3 ratio of the volume of the cone to the volume of the cylinder

Step-by-step explanation:

Volume of cone(V) is given by:

V = \frac{1}{3} \pi r^2h

where, r is the radius and h is the height of the cone.

Volume of cylinder(V') is given by:

V' = \pi r'^2h'

where,  r' is the radius and h' is the height of the cylinder.

As per the statement:

A cylinder and a cone have congruent heights and radii.

⇒r = r' and h = h'

then;

\frac{V}{V'} = \frac{ \frac{1}{3} \pi r^2h}{\pi r'^2h'} = \frac{ \frac{1}{3} \pi r'^2h'}{\pi r'^2h'}

⇒\frac{V}{V'} =\frac{1}{3} = 1 : 3

Therefore, the ratio of the volume of the cone to the volume of the cylinder is, 1 : 3

4 0
3 years ago
Read 2 more answers
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