Find the difference.
k/k2 − 9k + 20 − 5/k2 − 9k + 20
A.
k − 5/k − 4
B.
1/k + 4
C.
1/k − 4.
D.
k − 5/0

Answer:

by 3

Step-by-step explanation:

cuz 2x3=6 right so in the other 3x4=12 so is that good for you :D

Answer:

Pi is used to find the area and circumference of a circle. Pi can be used to find an area by multiplying the radius of the circle squared times pi.

Step-by-step explanation:

Have a great rest of your day
#TheWizzer

Answer:

$4

Step-by-step explanation:

$1.40 is 35% of the money she started with.

The money she started with is 100 * 1.40/35 which is $4.

Answer:

$4

Step-by-step explanation:

[tex]\frac{1.40}{x} =\frac{35}{100}[/tex]

1.40 * 100 = 140

35 * x = 35x

140/35 = 4 (x gets canceled out)

Answer:

Step-by-step explanation:

Formula : ( surface area of a cone )_________________________

The total surface area = The curved surface area + area of the base

____________________________________________________

→The curved surface area = π × r × g = π × r × (√(h2 + r2))

 where g is the slant height of the cone and r is the radius of the base

 and h is the height of the cone

 and g = √(h2 + r2)

→Area of the base = π × r²

We get :

The curved surface area = π × r × (√(h2 + r2))

                                         = π × 5.1 × √(14^2+(5.1)^2)

                                         = 238.729625746288                                        

Area of the base = π × r²

                            = π × (5.1)^2

                            = 81.712824919871

Conclusion:

The total surface area = The curved surface area + area of the base

                                     = 238.729625746288 + 81.712824919871

                                     = 320.442450666159

Answer:

the answer is the C

Step-by-step explanation:

The value that can take the place of "?" is -6a. The length of line AB is 6a units.

The distance or length of any line on the graph,

[tex]d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

where,

d = distance/length of the line between point 1 and 2,

(x₁ , y₁) = coordinate of point 1,

(x₂ , y₂) = coordinate of point 2,

The length of a line with two points known is written as,

[tex]d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

Given the coordinate of points A and B are (-3a,b) and (-3a,b), respectively. Therefore, the length of the line AB can be written as,

[tex]AB = \sqrt{(-3a-3a)^2+(b-b)^2}\\\\AB = \sqrt{(-6a)^2+(0)^2}\\\\AB = 6a[/tex]

Hence, the length of line AB is 6a units.

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Step-by-step explanation:

1882 - 9937

the easiest way to do it is to turn it around :

9937 - 1882

= 8055

then you add a subtraction sign at the back

= - 8055

Answer:

the answer is A: 6.10

Step-by-step explanation:

well, to find the total money you add the two amounts which are $2.85+$3.25 which will add up to $6.10.

Answer:

yes

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

B. Kevin

Step-by-step explanation:

First off, great job on answering the rest! Kevin worked the fastest because he has the lowest time spent per flyer. This means that for every flyer he spent time working on, he would complete it faster than Bill or Dante. This can also be estimated from the table given because although kevin only made 6, he spent only 24 minutes while Bill spent 56 minutes and only made 8. The smaller minutes spent in comparison to the amount of flyers made shows that Kevin is the fastest.

Answer:

6x^2-20x+16

Step-by-step explanation:

=(3x-4)(2x-5)

expand))

6x^2-23x+20

Answer:

Step-by-step explanation:

If the first cube lands on a 4, then the second cube must land on 4 5 or 6.

It cannot land on 5 because that would make it the sum odd. (4 + 5 = 9)

So that leaves 4 and 6. You cannot use 2 because 4 + 2 = 6. The sum must be greater than 6.

So we are left with 2 results. The second cube should be 4 or 6

The results are 4 and 4

and 4 and 6

The results of throwing 2 dice are 36 ways in all. Only 2 combinations work.

2/36 = 1/18

I'm not sure that this is correct but it is the way done by the person writing the question.

Answer:

21

Step-by-step explanation:

The pattern goes +5 , -2

From 7 you add 5, and than from 12 you minus 2. If you keep this up you get the following numbers.

7,12,10,15,13,18,16,21,19,24,22,27,25,30...ect

21 is the 8th term in the patterns so thats your answer.

The eighth term in the given number pattern is 21. This is obtained by the logic, of adding 5 and subtracting 2.

These keep a relationship between a series of numbers. That relationship is given by logic.

Some of the examples are like Even number pattern, Odd number pattern, Fibonacci series, etc.

Given that the number pattern is 7,12,10,15,13....

In this pattern 7 is the first term

So, the logic is adding 5 and subtracting 2

7+5=12 (2nd term)

12-2=10 (third term)

10+5=15 (fourth term)

15-2=13 (fifth term)

13+5=18 (sixth term)

18-2=16 (seventh term)

16+5=21 (eighth term)

Therefore, the eighth term is 21.

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The statement supported by the box plot is D. The grocery expense for the category of "3 or more children" is more spread out than the other category.

A box plot simply means a standardized way that's used in displaying the dataset.

In this case, the grocery expense for the category of "3 or more children" is more spread out than the other category.

The reason for the above is because the families in the "3 or more children category" having more outlier results.

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Here is the completed table that shows the purchasing habits of 1000 grocery shoppers :

                                    bought milk   bought no milk       Total

bought eggs                422                   228                     650

bought no eggs              150                  200                    350

Total                               572                428                       1000

A two-way frequency table is used to display data on the frequencies for two categorical variables.

The total number of people who bought eggs = 422 + 228 = 650

The total number of people who bought no eggs = 1000 - 650 = 350

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Answer:

Answer is D) [tex]g(x)=(x+1)^2+3[/tex]

Step-by-step explanation:

[tex]f(x)=(x-h)^2+k[/tex]

h = shift left or right

k = shift up or down.

Given:

h = -1 , k = 3

Put that into the equation f(x)

[tex]f(x)=(x-(-1))^2+(3)\\f(x)=(x+1)^2+3[/tex]

The number of ways can the coach choose one sixth grader, one seventh grader, and one eighth grader is 840.

Arrangement of the things or object is mean to make the group of them in a systematic order, in all the possible ways.

The number of possible ways to arrange is the n!. Here, n is the number of objects.

There are 10 sixth graders, 14 seventh graders, and 6 eighth graders on the track team.  All the graders has to be arranged in an order. Thus number of arrangement will be,

[tex]n=10\times14\times6\\n=840[/tex]

Thus, the number of ways can the coach choose one sixth grader, one seventh grader, and one eighth grader is 840.

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Answer:

Option D: 20km South

Step-by-step explanation:

Lets say A = (0, 0)

A is 30km East of D which makes D = (-30, 0)

D is 10km South of F which makes F = (-30, 10)

F is 10km West of B which makes B = (-20, 10)

A is 10km North of C which makes C = (0, -10)

C is 20km East of E which makes E = (-20, -10)

Find distance from B = (-20, 10) to E = (-20, -10)

     1. Cancel equivalent values:

x of B = (-20) and x of E = (-20)

Remove x from equation.

     2. Solve for answer:

B = 10 and E = (-10)

Find the difference: (-10) - 10 = (-20)

Conclusion:

South translates to negative on a graph making the answer 20km South

Hope this helped :)

The amount of money she spends per year on utility bills for the air conditioner is; D: $176.40

We are told that;

Cost of running the air conditioner = 7 hours per day

Cost of running the air conditioner = 21 cents per hour = $0.21 per hr.

She runs it for four months at 7 hours per day. Thus;

Total number of hours for the 4 months = 7 × 30 × 4 = 840 hours

Total cost for the 4 months = $0.21 per hr. × 840 hours = $176.4

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The end behavior of the function f(x) describes the behavior of the function as x approaches the +∞  f(x) approaches to 1/2 and the x approaches the -∞  f(x) approaches to 1/2.

It is defined as a special type of relationship and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

[tex]\rm f(x) = \dfrac{4x-7}{8x+8}[/tex]

For the end behavior:

As x → ∞  f(x) → 1/2

And x → -∞ f(x) → 1/2

Thus, the end behavior of the function f(x) describes the behavior of the function as x approaches the +∞  f(x) approaches to 1/2 and the x approaches the -∞  f(x) approaches to 1/2.

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Answer: As x increases to negative infinity, f(x) increases to 0.5; as x increases to infinity, f(x) increases to 0.5.

Proof of validity is shown below.

Answer: 115 degrees

Step-by-step explanation:

Answer:

If PM is not congruent to QM then M is not the midpoint of PQ.

Step-by-step explanation:

The contrapositive is written as If not the conclusion then not the hupothesis.

M is the midpoint of PQ is the hypothesis (the statement after "If").

 PM is congruent to QM (the statement after "then").

Answer:

B just took the test

Step-by-step explanation:

have a good rest of your day

I'm pretty sure it's A and D, sorry if I'm wrong

Have a nice day!

Answer:

c and d

Step-by-step explanation:

5+6 - 4x is just 4x - 5 +6 but flipped

4x + 1 is the answer to 4x - 5 +6

The angles shown are

PR is the bisector of angle P

So

Step-by-step explanation:

NaBr 2 102.89

Ca 1 40.08

CaBr2 1 199.89

Na 2 22.99

The expression is 2(n-6), and in these two operations are

multiplication and subtraction with two constants 2, and 6.

Arithmetic is an area of mathematics involving the study of numbers and the different operations that can be performed on them. Addition, subtraction, multiplication, and division are the four basic math operations.

We have:

Twice the difference between a number and six

Let's suppose the number is n, then the expression becomes:

= 2(n-6)

The true statements are:

Thus, the expression is 2(n-6), and in these two operations are

multiplication and subtraction with two constants 2, and 6.

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Answer:

-Replace “a number” with the variable, n

-The two operations are multiplication and subtraction

-The constants are 2 and 6.

-The expression is written as 2(n – 6).

Step-by-step explanation:

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