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weeeeeb [17]
2 years ago
5

Question if Timmy eats 97 Chocolate bars let A Represent the amount he had at the beginning, but his sister took 4 and gave him

x2 what she stole and that put Timmy at his original amount. What Is Original Amount???
Mathematics
1 answer:
never [62]2 years ago
8 0

Answer: 105 chocolate bars

Step-by-step explanation:

The equation for this problem would be a=97-4*2

So, 97-4=93, and 4 * 2=8 so 93+8= 101

So he had 101 chocolate bars at first.

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Alenkasestr [34]

Answer:

2.5X=1.0 try this i think

Step-by-step explanation:

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3 years ago
On equal intervals, the y-values of a quadratic function have a common _________
Anettt [7]

Answer:

  second difference

Step-by-step explanation:

The differences of the y-values will differ by a common amount.

<u>Example</u>:

  y = x^2 for x = 2, 4, 6, 8

  y-values are 4, 16, 36, 64

  differences of these are 12, 20, 28

  differences of these differences are 8 and 8, a common value.

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3 years ago
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What is the easiest way to learn division and multipaction
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The easier way is online games.

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2 years ago
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Using the triangle below, find the ratio please need help answering for a quiz
Murrr4er [49]
<h3>sin22° = 5/4</h3><h3>tan22° = 3/√55</h3>

As we know that , sinA = opposite/hypotenuse & tanA = opposite/adjacent

So here we can find sin22° , because they already given the sides opposite & hypotenuse . And we can't find tann22° because they given the value of opposite but not given the value of adjacent side of the angle 22°

Now finding the adjacent side using

Pythagoras theorem :-

• Hypotenuse² = Base² + Height²

=> 40² = Base² + 15²

=> 1600 - 225 = Base²

=> Base² = 1375

=> Base = √1375

=> Base = 5√55

Now ,

  • tan22° = Opposite/Adjacent = 15/5√55 = 3/√55
  • sin22° = Opposite/hypotenuse = 15/40 = 5/4

8 0
3 years ago
A multiple choice exam has 20 questions. Each question has 3 possible answers; there is no partial credit. Only 1 answer out of
amid [387]

Answer:To find out the theoretical probability of the case given, we need to make certain assumptions.

First, we'll assume that he'll attempt all of the questions, i.e he'll attempt all 10 questions.

Next assumption is that each option in each question is equally likely to be marked by the student.

This pretty much leads us to a binomial probability distribution.

Conditions are:

   Answers 10 questions.

   Each question has 4 options with only one correct answer and all other incorrect answers.

   Student is equally likely to pick any outcome in any given question.

   Hence, probability of choosing correct answer is 1/4 = 0.25. Probability of choosing incorrect answer is 1–1/4 = 3/4 = 0.75.

   The number of trials is 10.

   Total number of success is exactly 8 and failure is 2 amongst the 10 questions in any particular order.

Now, calculation is fairly simple.

Binomial probability distribution is such that…

P(8 correct ; 2 wrong)

= 10C8 × (0.25)^8 × (0.75)²

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Step-by-step explanation:

6 0
3 years ago
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