A group of students is arranging squares into layers to create a project. The first layer has 4 squares. The second layer has 8 squares. Which formula represents an arithmetic explicit formula to determine the number of squares in each layer?

A Group Of Students Is Arranging Squares Into Layers To Create A Project. The First Layer Has 4 Squares.

Answers

Answer 1

(d) f(1) = 4 f(n) = 4 + d(n-1) , n>0 is the arithmetic formula to find the number of layers in the project

In the above question it is given that

A project is being created by a group of students by arranging layers.

The first layer is having 4 layers and as we move to the next layers, it is getting 2 times of the number of layers in the first layer.

i,.e f(1) = 4

Number of layers in the second layer = 8 layers

f(2) = 4.2 = 8

Now, we need to find the general arithmetic formula to determine the subsequent n number of layers in the project

As the subsequent layers are getting n times of the first layer, so we'll also find the similar arithmetic formula where addition to the first layer with n times of it is happening

So, after checking all the given options we find, (d) as the appropriate option

f(1) = 4

f(n) = 4 + d(n-1) , n>0

We'll find the number of layers in the 3 layers

Here, n = 3

Putting in the formula, we'll find.

f(3) = 4 + d(3-1)

f(3) = 4 + d(2)

where d(2) = 8 (given)

so, f(3) = 4 + 8 = 12

Hence, f(1) = 4 f(n) = 4 + d(n-1) , n>0 is the arithmetic formula to find the number of layers in the project

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Related Questions

Manvita deposits Rs. 5000 in her bank account after two days. She withdraws Rs.
3748 from it. If the amount deposited is a positive integer. How will you represent
the amount withdrawn and also find the balance amount in the account?

Answers

If the amount deposited is a positive integer , so the amount withdrawn is represented by -3748  and the balance amount in the Manvita's account is Rs 1252 .

In the question ,

it is given that

Money deposited by Manvita =  Rs 5000 .

Money withdrawn by Manvita = Rs 3748 .

Since , amount deposited is a positive integer ,

So, the amount withdrawn will be a negative integer

Balance in Manvita's account = Money deposited + Money Withdrawn

Substituting the values , we get

Balance in Manvita's account = 5000 + (-3748)

= 5000 - 3748

= 1252

Therefore , if the amount deposited is a positive integer , so the amount withdrawn is represented by -3748  and the balance amount in the Manvita's account is Rs 1252 .

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Daniel walks at a speed of 4 miles per hour. Daniel leaves his house at 1:00 p.m. and walks toward a playground exactly 2 miles away.
Daniel's mother plans to walk to the playground too. She walks at a speed of 6 miles per hour.

At what time should Daniel's mother leave the house to arrive at the playground at the same time as Daniel?

Answers

Daniel's mother should leave the house at 1:10 P.M. to arrive at the playground at the same time as Daniel.

According to the question,

We have the following information:

Speed of Daniel = 4 miles per hour

So, it means that Daniel covers 4 miles in 1 hour.

1 hour = 4 miles or 4 miles = 1 hour

1 mile = 1/4 hour

1/4 hour means (60/4) minutes or in other words 15 minutes.

Now, Daniel will cover 1 mile in 15 minutes.

So, the time taken by Daniel to cover 2 miles = 15*2 minutes

Time taken by Daniel to cover 2 miles = 30 minutes

So, Daniel will reach the playground at 1:30 P.M.

Now, speed of Daniel's mother = 6 miles per hour

So, we have:

6 miles = 1 hour

6 miles = 60 minutes

1 mile = 60/6 min

1 mile = 10 min

So, to cover 2 miles, Daniel's mother will take (2*10) minutes or 20 minutes.

Now, Daniel will reach the playground at 1:30 P.M.

So, Daniel's mother should start from her house at 1:10 P.M.

Hence, Daniel's mother should start at 1:10 P.M.

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Marsha used a graphing calculator to graph an expense and a revenue function for her family’s printing business. The graph looked like the one below.

Answers

The break-even points for her graph are given approximately as follows:

C. 15 and 47.

Expense, revenue and break-even point

The expenses and the revenue are defined as follows:

Expenses: amount spent by the person/company to develop each unit of the product, that is, the cost of the product.Revenue: amount earned by the person/company for each unit of the product sold.

The break-even points are the points in which the expenses and the revenue are equal.

In the context of this problem, the functions are given as follows:

Revenue: given by the parabola.Expenses: Given by the line.

The break-even point is given by the intersection of the two curves, which happen around x = 15 and x = 47, hence option C is the correct option.

Missing information

The problem is given by the image at the end of the answer.

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A particular bacterium population is found to double the in 20 minutes. If a laboratory culture
begins with a population of P=340 of this bacteria and there is no change in the growth rate, how
many bacteria will be present in t=37 minutes?
Hint: Use equation P = Poekt, where k is the relative growth. Round to two decimal places.

Answers

The bacteria present at t=37 minutes is found to be 8.40, with no change in growth rate.

What does population growth exponentially mean?

When a population's per capita growth rate remains constant, regardless of population size, exponential growth occurs, causing the population to grow exponentially as the population increases.

Given:

P = 340

It has been discovered that a specific bacterial population doubles in 20 minutes.

k = 2/20 = 0.1

t = 37 minutes

We know that,

P = P₀[tex]e^{kt}[/tex]

340   = P₀([tex]e^{0.1*37}[/tex])

340 =P₀(40.44)

P₀ = 8.40

As a result, the bacteria that will be present in t=37 minutes is found to be 8.40 with no change in growth rate.

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Gabriel bought 12 donuts and fritters from the
bakery. Donuts cost $1.00 and fritters cost
$2.00. Gabriel spent a total of $17.00. How
many donuts (d) and how many fritters (f) did
he buy?
d+f=12
1d + 2f = 17
[?] donuts [?] fritters

Answers

Answer:

Gabriel spent $12 in just Donuts. If fritters are $2 a piece, he could buy 2 fritters at max. Perhaps he bought an extra donut to equal $17.

Step-by-step explanation:

Answer:

7 donuts and 5 fritters

Step-by-step explanation:

use the english and metric equivalents to the​ right, along with dimensional​ analysis, to convert the given measurement to the unit indicated. in. to cm

Answers

It should be noted that the conversion of the measurement of 290 inches will be 0.7366 decameter.

How to illustrate the information?

It should be noted that from the information,.it about equivalents dimensional analysis, to convert the given measurement to the unit indicated.

In this case, we want to convert 290 in. to dam.

It should be noted that we have to divide rye length value by 393.7

Therefore, it should be noted that 290 inches will be:

= 290 / 393.7

= 0.7366 decameter.

Therefore, it should be noted that the conversion of the measurement of 290 inches will be 0.7366 decameter.

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Need ASAP!! Please solve the equation and include steps if you're able to :). Best answer with steps gets Branliest

Answers

Answer:

I couldn't do the second question but I did the first and third

1. x=125

3. 11.84

Step-by-step explanation:

2x+6x= 1,000    Set up equation

8x=1,000          Add the like terms-so, 2x and 6x

x=1,000/8         Isolate the x by taking the 8 to the other side to divide

x=125

-2.3x-4.2x=-66.3       Equation

-5.6x= -66.3              Add -2.3 and -4.2 because both r negative

x=-66.3/-5.6              isolate x bu dividing

x= 11.84                        Rounded answer

                                   

Simplify The answer please

Answers

Answer:

-18/35

Step-by-step explanation:

41.4 is what percent of 92?

Answers

Answer: 45

41.4 is 45 percent of 92

Answer: 45%

Step-by-step explanation:

Solution for 41.4 is what percent of 92:

41.4:92*100 =

(41.4*100):92 =

4140:92 = 45

Now we have: 41.4 is what percent of 92 = 45

Question: 41.4 is what percent of 92?

Percentage solution with steps:

Step 1: We make the assumption that 92 is 100% since it is our output value.

Step 2: We next represent the value we seek with x.

Step 3:  100%=92.

Step 4: In the same vein, x%=41.4.

Step 5: This gives us a pair of simple equations:

$100%=92(1).

$x%=41.4(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

100%/x%= 92/41.4

Step 7: Taking the inverse (or reciprocal) of both sides yields

x%/100% = 41.4/92

-> x=45%

Therefore, 41.4 is 45% of 92.

what is the highest in order from least to greatest

Answers

Answer:

Least to greatest: 1. International finance center

2. Petronas towers

3. Zifeng towers

4. Burj Khalifa

What is the value of (−14)3 when evaluated? −2,744 −196 42 2,744

Answers

The value of (-14) 3 when evaluated is -42.

Given,

The expression = (-14) 3

We have to evaluate this and find the value.

Evaluating an expression:

Finding the value of an algebraic expression when a specified integer is used to replace a variable is known as evaluating the expression. When evaluating an expression, we change the variable in the expression to the given number and then use the order of operations to simplify the expression.

That is,

(-14) 3 = -14 × 3 = -42

Therefore, the value of (-14) 3 when evaluated is -42

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satisfy this equation x + |y| = y + |x|
IF -10 ≤ x ≤ 10 and -10 ≤ y ≤ 10

Answers

The equation x + |y| = y + |x| that contains the absolute values of x and y, is satisfied when the values of x and y are given by the iniquities;

0 ≤ x ≤ 10 and 0 ≤ y ≤ 10

What is an absolute value?

The absolute value or modulus of a real number gives its non negative value irrespective of the sign (positive or negative) of the number.

The given equation is presented as follows;

x + |y| = y + |x|

The possible values of x and y are;

-10 ≤ x ≤ 10 and -10 ≤ y ≤ 10

Collecting the absolute values of the equation on one side gives;

|y| - |x| = y - x, which gives;

+y - +x = y - x

The equation is therefore satisfied when both x and y are larger than zero.

Therefore, x + |y| = y + |x|, gives;

0 ≤ x ≤ 10, and 0 ≤ y ≤ 10

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Trevon left home and traveled toward the recycling plant. Mike left one hour later traveling 14 mph faster in an effort to catch up to him. After four hours Mike finally caught up. Find Trevon's average speed.

Answers

The most appropriate choice for speed will be given by-

Average speed of Trevon is 56 mph

What is speed?

The distance travelled by the body per unit time is called speed of the body.

If d is the distance travelled by the body and t is the time taken, then

speed = [tex]\frac{d}{t}[/tex]

Speed is a scalar quantity as the direction is not taken into account.

Here,

Let the average speed of Trevon be [tex]x[/tex] mph

Average speed of Mike = [tex](x + 14)[/tex] mph

Time for which Trevon driven = [tex](4 + 1)[/tex] h

                                                  = [tex]5[/tex] h

Time for which Mike driven = [tex]4[/tex] h

By the problem,

[tex]5 \times x = 4 \times (x+14)[/tex]

[tex]5x = 4x+56[/tex]

[tex]5x-4x=56[/tex]

[tex]x =56[/tex] mph

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Can someone help with questions 3,4 and 5? THANK YOUUU ^^ I did questions 1 and 2

Answers

Answer:

Question 3.

[tex]y = \frac{2}{7} x - 3[/tex]

question 4

[tex]y = - 4x - 1[/tex]

question 5

[tex]y = 5x + 3[/tex]

Step-by-step explanation:

Question 3

1.Write down what is given in equation form

[tex]y = \frac{2}{7} x + c[/tex]

2. Insert the given point to work out c

[tex] - 5 = \frac{2}{7} ( - 7) + c[/tex]

[tex]c = - 3[/tex]

3. answer

[tex]y = \frac{2}{7} x - 3[/tex]

Question 4

1 write what was given in an equation

[tex]y = - 4x + c[/tex]

2. insert given point (-1;3) to work out c

[tex]3 = - 4( - 1) + c[/tex]

[tex]c = - 1[/tex]

3. final answer

[tex]y = - 4x - 1[/tex]

question 5

1.with what was given write it in equation form

[tex]y = 5x + c[/tex]

2. substitute the given point (-2;-7) to work out c

[tex] - 7 = 5( - 2) + c[/tex]

[tex]c = 3[/tex]

3.final answer

[tex]y = 5x + 3[/tex]

Graph the image of rectangle CDEF after a translation 4 units left and 9 units up.

Answers

The graph of the image of rectangle CDEF after a translation 4 units left and 9 units up is as shown below.

In this question, we have been given the image of rectangle CDEF.

The coordinates of rectangle CDEF are:

C = (-6, -6)D = (-2, -6)E = (-2, 0)F = (-6, 0)

The rectangle CDEF is a translated 4 units left and 9 units up.

When rectangle CDEF is a translated 4 units left then the coordinates of rectangle would be,

C' = (-10, -6)

D' = (-6, -6)

E' = (-6, 0)

F' = (-10, 0)

Then rectangle C'D'E'F' is translated 9 units up  then the coordinates of rectangle would be,

C'' = (-10, 3)D'' = (-6, 3)E'' = (-6, 9)F'' = (-10, 9)

The graph of the image of rectangle CDEF after a translation 4 units left and 9 units up is as shown below.

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asquarematrixiscalledapermutationmatrixifitcon- tains a 1 exactly once in each row and in each column, with all other entries being 0. examples are in and are permutation matrices invertible? if so, is the inverse a permutation matrix as well?

Answers

Examples of permutation matrices are the identity matrices with a permutation in rows. Permutation matrices are invertible and the inverse is a permutation matrix as well.

A permutation matrix is a square matrix which contains exactly one 1 in each row and all other entries 0.

So a permutation matrix can be obtained by rearranging the rows or columns of an identity matrix. Identity matrix is also a permutation matrix with entry 1 exactly once in each row and all other entries 0.

Example of a permutation matrix:

[tex]\left[\begin{array}{ccc}1&0&0\\0&0&1\\0&1&0\end{array}\right][/tex]

A permutation matrix is invertible because an identity matrix is invertible [since det(I) = 1] and a permutation matrix is just got by exchanging rows or columns which does not change its determinant. So the determinant of a permutation matrix ≠ 0 and hence invertible.

The inverse of a permutation matrix is its transpose itself. The transpose is again a permutation matrix.

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with show work. trigonometry

Answers

60.8. you would have to combine all know angles and subtract them by 180

Monique built a wooden frame woth dimensions 0.8m by0.5m.how much wood will be left from a 3.4m length of timber

Answers

Answer: 0.8 m

Step-by-step explanation:

1.  The perimeter P of the wooden frame is equal to:

P=2(0.8+0.5)

P=2(1.3)

P=2.6 m

2. The remaining length of wood is equal to:

3.4-2.6=

0.8 m

How can you rewrite -8 -10 as an addition problem? ​

Answers

Answer:

-8 + (-10)

Hope this help!

The bill amount for Diana's brunch was $35.80. She wanted to leave 18% of the total bill as a tip. How much should the tip
be?

Answers

$6.40 dollars
Explanation: I used a calculator
18/100 x 35.80= 18(0.358)= 6.45 dollars

How do u solve this? ​

Answers

Answer:

See below

Step-by-step explanation:

the two angles add to a total of 360 °

5x - 40    + `150 = 360

x = 50°

a soccer club has 120 members this year, compared to 85 members last year. find the percent increase or decrease

Answers

The number of members that the club had last year was 85

The number of members that the club has this year is 120.

The number by which it increased is

120 - 85 = 35

Percentage is expressed in terms of 100. Thus, the percentage increase is

35/85 * 100

= 41.2%

The percentage isncrease is 41.2%

What is the answer to this
|-0.4| ?

Answers

Answer:

0.4

Step-by-step explanation:

The absolute value is just the number in the line things but positive.

The absolute value is the distance between a number and zero. The distance between − 0.4 and 0 is 0.4

if |-0.4| is all that is in the question it is 0.4

Since wY, XZ, and AB intersect at 0, WOA ~ BOY and
XOB by the vertical angles theorem. It is given that
AOZ. By the transitive property, BOY XOB.
AOZ
WOA
What is the conclusion reached by this proof?

Answers

the conclusion is that angle AOZ  and XOB is approximately equal

We are given that WOA and AOZ are equal, and since the AB intersects the line WY and XZ, were from the vertical angles theorem, This hypothesis says that when two straight lines meet, they frame two sets of linear sets with congruent angles, then angle WOZ and XOY equal and XOW and YOZ are too, now since the Ab intersects those angle on pint A and by the transitive property If any angles or segments are congruent to the same angle, at that point they are consistent to each other, according to which it was clear that both the angle BOY and XOB are approximately equal, there  vertical angle which are angles WOA and AOZ are equal  to them, So it can be concluded that the angle AOZ and XOB are equal too.

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Answer:

b

Step-by-step explanation:

for edmuntum

what expression is equivalent to 1.2y + 4.5 - 3.4y - 6.3

Answers

The expression is equivalent to the given expression  by combining like terms is  -2.2[tex]y[/tex]-1.8 .

What is a expression?

An expression is a set of terms combined using the operations +, -, x or ÷

and the variables. Number, symbols and operators are grouped to form an expression . An expression can be simplified by combining like terms.  

Given that,

  1.2y + 4.5 - 3.4y - 6.3

The terms that has same variables are like terms Combine like terms by adding or subtracting the terms.

-1.2[tex]y[/tex]-3.4[tex]y[/tex]+4.5-6.3

-2.2[tex]y[/tex]-1.8

Hence, The expression is equivalent to the given expression  by combining like terms is  -2.2[tex]y[/tex]-1.8 .  

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3×(9-4)³ - 46×3

A) 1
B) 237
C) 711
D) 987

Answers

Answer:

237

Step-by-step explanation:

3×(9-4)³ - 46×3
subtract 4 from 9 to get 5
3x5³-46x3
calculate 5 to the power of 3 and get 125
3x125-46x3

multiply 3 and 125 to get 375.

375-46x3
Multiply 46 and 3 to get 138
375-138

subtract 138 from 375 to get 237.
And there's your answer

You can follow the rule of BODMAS.

BODMAS stands for Bracket, Of, Division, Multiplication, Addition, Subtraction

By following the rule of BODMAS, the solution will be like this:

3×(5)³ - 46×3

= 3×125 - 46×3

= 375 - 138

= 237

I hope my explanation has helped you.

You can do well to declare this answer as the Brainiest Answer.

Thanks so much

If you partition a line segment in a ratio of 4:1, what is the fraction?

Answers

Answer:

Your answer would be 4 over 1

In survey, 9 out of 11 doctors recommended a certain medicine. If 88 doctors were surveyed, how many doctors recommended the medicine? please answer this asap

Answers

88/11 = 8 8x9 = 72 therefore 72 doctors would recommend the medicine

Answer:

72 doctors recommended the medicine

Step-by-step explanation:

9 out of 11 doctors recommended the medicine, making it 9/11 there are 88 doctors in total 9/11 doctors out of 88 doctors recommended the medicineso, this becomes multiplication. 9/11*88/1 you get 72

please look at the image and answer, Thank you!

Answers

80 I believe but I still to this day struggle to understand this topic

Three consecutive intergers are such that four times the least integer is three times the greatest . What is the greatest of this integers? A-16, B-8, C-10, D-12, E-14

Answers

If we call the middle number in the sequence [tex]x[/tex], the numerical values of the other terms will be [tex]x-1[/tex] and [tex]x+1[/tex], respectively, since they are consecutive.

We are told that [tex]4[/tex] times the smallest number is equal to [tex]3[/tex] times the largest number. Let us write our equality.

[tex]4(x-1)=3(x+1)[/tex][tex]4x-4=3x+3[/tex][tex]4x-3x=4+3[/tex][tex]x=7[/tex]

We found our number in the middle. Since it wants the value of our largest number, let's add 1 to the middle number.

[tex]x+1=7+1=8[/tex]

The answer is B.

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