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Nuetrik [128]
2 years ago
9

Peter is thinking of playing the Star One lottery. When he buys a ticket, he has to pick a single letter from A to Z and a singl

e digit from 0 to 9. He can win $700 if both his letter and the digit match the letter and digit picked on that day. Star One costs $3 per ticket. What is the expected value per turn for Star One?
A. $-0.13
B. $-0.22
C. $-0.31
D.$-0.43
Mathematics
1 answer:
s344n2d4d5 [400]2 years ago
8 0

Answer:

sorry I can't understand what is this

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What's the easiest way to answer how I know the answer pls?​
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Answer: Table C

Explanation: The X values match up with those on the graph!
4 0
2 years ago
Which graph shows the solution to the system of linear inequalities?<br> y&lt; 2x-5<br> y&gt;-3x + 1
trapecia [35]

Answer:

See explanation

Step-by-step explanation:

Plot the solution sets to both inequalities.

1. For the inequality y First, plot the dotted line y=2x+5 (dotted because sign is without notion "or equal to"), then choose correct part by substitution coordinates of the origin.

2\cdot 0-5=-5

so the origin does not belong to the needed part. Shade the part, which does not include origin.

2. For the inequality y>-3x+1. First, plot the dotted line y=-3x+1 (dotted because sign is without notion "or equal to"), then choose correct part by substitution coordinates of the origin.

-3\cdot 0+1=1>0

so the origin does not belong to the needed part. Shade the part, which does not include origin.

3. Find the common region of these two shaded parts - this is the solution to the system of two inequalities.

5 0
3 years ago
Help please!<br> Sorry for the image quality.
VARVARA [1.3K]

Answer:

\displaystyle (-1,\frac{-3}{2})

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Midpoint Formula: \displaystyle (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from graph.</em>

Point (-3, 1)

Point (1, -4)

<u>Step 2: Find Midpoint</u>

Simply plug in your coordinates into the midpoint formula to find midpoint

  1. Substitute [MF]:                         \displaystyle (\frac{-3+1}{2},\frac{1-4}{2})
  2. [Fractions] Add/Subtract:         \displaystyle (\frac{-2}{2},\frac{-3}{2})
  3. [Fractions] Divide:                    \displaystyle (-1,\frac{-3}{2})
8 0
2 years ago
A robot can complete 8 tasks in 5/6 hour. Each task takes the same amount of time.
ludmilkaskok [199]

Answer:

A. 6.25

B. Nine tasks

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Determine the translation
arsen [322]

Answer:

<em>1 unit left and 7 units up</em>

Step-by-step explanation:

|3 - 2| = |1| = 1

The x-coordinate when from 3 to 2, so it is 1 unit left.

|-4 - 3| = |7| = 7

The y-coordinate when from -4 to 3, so it is 7 units up.

7 0
2 years ago
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