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Studentka2010 [4]
2 years ago
14

Use the zeros and the labeled point to write the quadratic function

Mathematics
1 answer:
Anarel [89]2 years ago
5 0

Answer:

y = 2x2 - 10x + 12

Step-by-step explanation:

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Peter randomly draws a card from a deck of 24. The odds in favor of his drawing a spade from the cards are 1:3. What is the prob
oee [108]

Answer:

1 /4

Step-by-step explanation:

Given that :

Let :

P(S) = probability of drawing a spade

Odds in favor of drawing a spade = 1:3 ; this could be interpreted as :

P(drawing a spade)/P(not drawing a spade) = 1:3

P(S) / P(S') = 1/ 3

P(S') = 1 - P(S)

P(S) / (1 - P(S)) = 1 / 3

Cross multiply :

3P(S) = 1 - P(S)

Collect like terms

3P(S) + P(S) = 1

4P(S) = 1

P(S) = 1/4

Hence, probability ratio of drawing a spade P(S) = 1/4

8 0
3 years ago
Last weekend, a movie theater sold 250 tickets to a movie. This weekend, the movie thater sold 18% fewer tickets to that same mo
GREYUIT [131]

Answer:

205 tickets

Step-by-step explanation:

You multiply 250 by 0.18 (decimal form of 18%) and u get 45

Then you subtract 45 from 250 and you get 205

4 0
2 years ago
What is the value of x in the solution to the following system of equations?
denis-greek [22]
U can use elimination and multiply all the terms in the top expression to get 3x-3y = -4, or 4x = -4, so x = -1. plug it in to find y if needed
8 0
3 years ago
Read 2 more answers
Help please! Picture included about functions. Explain if you can.
slega [8]
The definition of a function is a relation where every input (x value) is paired with exactly one output (y-value). 

A. Not a function, because you have (300, 9) and (300,7). The x-value 300 is paired with two different y-values, 9 and 7. 

B. Not a function. (260, 4) and (260, 2)

C. Is a function

D. Not a function. (225, 4) and (225, 2)
3 0
3 years ago
9. Find the length of the arc shown in brown. Leave your answer in terms of 2 (1 point)
Nadusha1986 [10]

The length of the arc is 4π.

<u>Step-by-step explanation</u>:

Given,

  • Diameter = 24 ft
  • radius, r = diameter/2
  • r = 24/2 = 12 ft
  • central angle, ∅ = 60°

Arc length = ∅/360° (2πr)

⇒ 60°/360° (2π\times12)

⇒ 24π/6

⇒ 4π

∴ The length of the arc is 4π.

3 0
3 years ago
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