The average length of time that three computers operate on a given day is 960 minutes. None of the computers operate for less than 930 minutes. What is the greatest possible length of time any one of the computers operates

Answer:

A) y = 3x – 2

Step-by-step explanation:

Just check the results: when you put the numbers of the x-colum from the table, the result will be the corresponding numbers of the y-colum. and that means this is the right equation

Answer:

$7.5

Step-by-step explanation:

if we set up the proportion [tex]\frac{10}{4} =\frac{x}{3}[/tex]   with cost on top and water bottles on bottom, we can divide  10/4 too get 2.5, which we can then multiply by 3 to get our x value, 7.5.

Answer:

D

Step-by-step explanation:

x + 5 > 11

is the same as

x > 6

and because it is ">" and not ">=", the solution point is not included.

therefore the right graph is D and not C. an empty little circle means "excluded", while a filled, black circle means "included".

Answer:

[tex]2^{1} + 3^{1}[/tex], [tex]2^{3} - 2^{1}[/tex], [tex]3^{2}[/tex]

Step-by-step explanation:

[tex]3^{2}[/tex] = 9

[tex]2^{3} - 2^{1}[/tex] = 6

[tex]2^{1} + 3^{1}[/tex] = 5

Step-by-step explanation:

Simplify the expressions

[tex]2 {}^{3} - 2 {}^{1} = 2 {}^{3} - 2 = 8 - 2 = 6[/tex]

[tex]2 + 3 = 5[/tex]

[tex] {3}^{2} = 9[/tex]

So the expressions from least to greatest is

[tex]2 {}^{1} + 3 {}^{1} < 2 {}^{3} - 2 {}^{1} < 3 {}^{2} [/tex]

Here is your answer. Hope this helps you.

Answer:

51

Step-by-step explanation:

15= a/3 -2

17= a/3

51=a

Answer:

Step-by-step explanation:

You can roll an 8 in the following ways

3 - 5

5 - 3

4 - 4

6 - 2

2 - 6

That's 5 ways that it can be done. There are a total of 36 ways to throw 2 dice.

The probability of getting an 8 is 5/36

Answer:

20 weeks

Step-by-step explanation:

200-1.5w=180-0.5w

You can double-check by substituting 20 for w (weeks), if it is equal, then the equation is correct.

Given Polynomial

[tex]\\ \sf\longmapsto x^2y^3+a^3b^4-7[/tex]

Calculate degrees of all variables

B has highest degree

Hence degree of polynomial is 4

It is a tetranomial

Answer: Yes, the set of real numbers is closed under addition.

Explanation:

Let x and y be two real numbers. Their sum x+y is some other real number. This is what it means when we say the set of real numbers is closed under addition. Taking any two numbers and adding them will get us some other real number.

There is no way to have x+y be nonreal while x,y are both real.

Graphs are used to show the relationship between variables, where the variables are represented by a pair of axes.

Given that:

[tex]C(t) = \frac{-10t^2 + 50t}{t^2 + 4t + 3 }[/tex]

(a): The domain of the function

Because the medication concentration C(t) is a function of time (t), the domain is the possible values t can take.

t, cannot take negative values (i.e. it is not possible to have a negative time).

The least possible value of t is 0

So, the domain of the function based on the context is:

[tex]t \ge 0[/tex]

(b) The greatest concentration of the medication

From the graph (see attachment), the maximum y-value is 5.

Hence, the greatest concentration of the medication is 5 mg/L

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A function assigns the values. The greatest concentration of the medication that a patient will have in their body is when the time is t=1.

A function assigns the value of each element of one set to the other specific element of another set.

A.) Given the function of the concentration of medication in the body as to[tex]C(t)=\ \frac{\left(-10t^{2}+50t\right)}{t^{2}+4t+3}[/tex] where t is the time. Since the time can not be negative, therefore, the domain of the function is t≥0.

B.) The graph of the function can be plotted as shown below. Now, the greatest concentration of the medication that a patient will have in their body is when the time is t=1.

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Perimeter of a triangle is the sum of measures of its all three sides, let the other be y,

we know,

[tex] \hookrightarrow \: y + 3x + 2 + 4x - 9 = 16x - 6[/tex]

[tex] \hookrightarrow \: y + 7x - 7 = 16x - 6[/tex]

[tex] \hookrightarrow \: y = 16x - 6 - 7x + 7[/tex]

[tex] \hookrightarrow \: y = 6x + 1[/tex]

hence, measure of the third side is 6x + 1

Answer: The angles are 36 and 144.

Step-by-step explanation:

Let the linear pairs be 4x and x

so

4x + x = 180 (being linear pair)

or, 5x = 180

or, x = 180/5

so, x = 36

so, 4x = 4*36 = 144

Answer:

5/4 or 1 . 1/4

Step-by-step explanation:

3/4 + 1/2 = 5/4 or 1 . 1/4

Answer:

720

Step-by-step explanation:

He has 8 books. He knows the placement of 2... so

8 - 2 = 6

To find the total... 6!

6*5*4*3*2*1 = 720

The required number of the ways the book is arranged on the shelf is 720 ways.

Given that,
Kareem is putting 8 books in a row on his bookshelf. He will put one of the books, Pride, and Prejudice, in the first spot. He will put another of the books, Little Women, in the last spot. In how many ways can he put the books on the shelf is to be determined.

In arithmetic, combination and permutation are two different ways of grouping elements of a set into subsets. In combination, the components of the subset can be recorded in any order. In a permutation, the components of the subset are listed in a distinctive order.

here,
There are 8 books to be arranged, 1st and last place is fixed,
now remaining books = 8 - 2 = 6
now, a number of combinations can be formed with the number 6,
= 6!
= 6×5×4×3×2×1
= 720

Thus, the required number of the ways the book is arranged on the shelf is 720 ways.

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Step-by-step explanation:

hope it helps you check it if there is a mistake sorry!! for that

Hi! I'm happy to help!

First, we need to get our two equations, so we need to look at what facts we have throughout the equation. It tells us that x is 3 times as much as y. We can use this to write our first equation:

3y=x

All of the interior angles inside of a triangle add up to 180°, and because we already have 3 angles, we can use this information to make our second equation:

x+y+45=180

Now, we have to use these equations together to get our answer.

Since we can replace 3y for x (first equation) we can replace it in our second equation:

3y+y+45=180

We edit both sides of the equation in the same way to get the same outcome, but to simplify. Since we are solving for y, let's isolate it by subtracting 45 from both sides:

3y+y+45=180

       -45  -45

3y+y=135

Let's combine the 3y and y to make things simpler:

4y=135

From here, we divide both sides by 4, to isolate y:

y=33.75

Now that we have our y value, we can use our first equation to solve for x:

3y=x

3(33.75)=x

101.25=x

We used our equations to get both our x and y values: 33.75, and 101.25.

I hope this was helpful, keep learning! :D

Answer:

Step-by-step explanation:

In reality it is :  [tex](x-\frac{1}{x} )^5\\[/tex]

[tex]Pascal'sTriangle\\\\\begin{array}{cccccc}1\\1&1\\1&2&1\\1&3&3&1\\1&4&6&4&1\\1&5&10&10&5&1\\\end{array}\\\\\\(x-\frac{1}{x} )^5\\\\=x^5+5*x^4*\frac{1}{x} *(-1)+10*x^3*\frac{1}{x^3}*(-1)+5*x*\frac{1}{x^4} +\frac{1}{x^5} *(-1)\\\\\\\boxed{(x-\frac{1}{x} )^5=x^5-5x^3+10x-\frac{10}{x} +\frac{5}{x^3} -\frac{1}{x^5} }[/tex]

Answer:

10: a

11: c

Step-by-step explanation:

10. Use the midpoint formula

[tex]\frac{-6+8}{2}[/tex], [tex]\frac{2+9}{2}[/tex] = 1, 5.5

11. 7 + 4 + 4 = 15

(add two fours because N is the midpoint)

Answer:

Step-by-step explanation:

Given:

Rewrite it as:

Since all A, B, C are integers from 0 to 9, A can be 1 only, then we have:

or

It gives us:

The equation is:

Answer:

ABC=198

Step-by-step explanation:

If you do 11+99+88 then you get 198 which is true to the problem that you have.

Answer:

y - 4 = 1/3 (x - 3)

Step-by-step explanation:

Answer:

44

Step-by-step explanation:

4×(2)×4-2×(7)×2+40=?

8×4-14×2+40=?

32-28+40=

=44

Answer:

sum is -(10x + 1)

Step-by-step explanation:

[tex]( - x - 7) + ( - 9x + 6) \\ = ( - x - 9x) + (6 - 7) \\ = - 10x - 1 \\ = - (10x + 1)[/tex]

Answer:

[tex]( - x - 7) + ( - 9x + 6) \\ = - x - 7 - 9x + 6 \\ = - 10x - 1 \\ thank \: you[/tex]

the one on the left is (2,2) the one on the right is (8,2)

Answer:

[tex]The\,\,derived\,\,equation\,\,is\\6x+2y=-8[/tex]

Step-by-step explanation:

Given, equation of line

[tex]6x+2y = 10......(i)\\\\Parallel\,\,line\,\,of\,\,the\,\,equation\,\,(i),\\6x+2y=k.....(ii)\,\,;[here,\,\,k\,\,is\,\,a\,\,constant]\\\\The\,\,line\,\,(ii)\,\,passes\,\,through\,\,the\,\,point\,\,(-3,5),\\6*(-3)+2*(5)=k\\So,\,\,k=-8\\\\Therefore,\,\,the\,\,derived\,\,equation\,\,is\\6x+2y=-8[/tex]

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