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Nikolay [14]
3 years ago
6

john wrote the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 on a whiteboard, John than erased some of the numbers and added up the r

emaining ones. He got a sum of 24. At most how many numbers were left on the whiteboard?​
SAT
1 answer:
inessss [21]3 years ago
6 0

Answer:

31 numbers i think maybe

Explanation:

if you add them all then subtract 24 you get 31

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Jennifer has $25. 00 and earns $0. 50 for every chore she completes. Amaya has $13. 00 and earns $2. 00 for every chore she comp
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Taking into account the definition of equation, each girl must complete 8 chores to have the same amount of money.

<h3>Definition of equation</h3>

An equation is the equality existing between two algebraic expressions connected through the equals sign in which one or more unknown values, called unknowns, appear in addition to certain known data.

Each equation has two members, and these are separated by using the equal sign (=).

Each member is made up of terms.

The unknowns, that is, the values ​​to be found, are represented by letters.

The equality between the two algebraic expressions is only verified or true for certain values ​​of the unknown.

<h3>Amount of chores</h3>

To find the amount of chores in this case, in first place you know Jennifer has $25.00 and earns $0.50 for every chore she completes. The money that Jennifer saves is expressed as: 25 + 0.50x, being x the amount of chores that Jennifer sells.

On the other side, Amaya has $13.00 and earns $2.00 for every chore she completes. The money that Amaya saves is expressed as: 13 + 2x, being x the amount of chores that Amaya sells.

They have the same amount of money, then it is expressed by the equation:

25 + 0.50x= 13 + 2x

Taking into account that:

  • When a value you are adding is passed to another side of the equation, this value will be passed by subtracting.
  • If a value you are subtracting is passed to the other side of the equation, this value will be passed adding.
  • When a value you are dividing goes to another side of the equation, it will be multiplied.
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The equation is solved as:

25 -13= 2x - 0.50x

12= 1.5x

12÷ 1.5= x

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Finally, each girl must complete 8 chores to have the same amount of money.

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Which of the following statements about attention deficit hyperactivity disorder (ADHD) is true
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The statement about ADHD that is true is: "ADHD has no clear  physical symptoms that can be detected via an x-ray or blood test"

<h3>What is ADHD?</h3>

This is an acronym for a kind of mental disorder that is called Attention Deficit Hyperactivity Disorder (ADHD).

Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental psychiatric condition.

It is characterized by challenges concentration, excessive activity, or difficulty restraining behavior that is inappropriate for a man's age.

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2 years ago
Of the 10,000 clocks from which the sample was chosen, about how many clocks are probably not defective?
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The number of clocks that are not defective is an illustration of proportions

Of the 10000 clocks, 9250 are probably not defective

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From the complete question, we have the following parameter:

15 out of 200 clocks are defective

The above means that the number of clocks that are not defective is:

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In 10,000 the number of clocks that are not defective would be:

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Italian and German imperial presence in Africa were similar as they were newly unified nations that began colonizing later than other European powers.

<h3>What countries did Italy Imperialize in Africa?</h3>

This was known to be the period from 1890-1941. In this period, Italian were said to have engaged in the colonialism of Africa countries  i

Note that they colonized Libya, Ethiopia and others and Italian and German imperial presence in Africa were similar as they were newly unified nations that began colonizing later than other European powers.

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The numbers at which <em>f</em> is not differentiable are;<u> -1, and 2</u>

The reason the above list of numbers at which <em>f</em> is not differentiable are correct are given as follows:

<em>Question; Please find attached a graph that can be used to solve the question</em>

  • A function is not differentiable at a point where the  function has a discontinuity. That is a point on the graph were there is a break in the graph

Therefore, the given graph of <em>f</em> shows that <u>the function is not differentiable at x = -1</u>, the point where the graph has a discontinuity

  • A function is not differentiable at a point where the graph of the function has a kink or corner.

The graph of <em>f</em> has a kink at x = 2, therefore, <u>the function is also not differentiable at x = 2</u>

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