The length of a rectangle deck is 3 times its width. If the deck's perimeter is 16 ft, what is the deck's area?

Answers

Answer 1

Answer:12

Step-by-step explanation:

3x+3x+x+x=16

8x=16 so x =2

2*3=6 6*2=12

Answer 2

Answer:

12 sq ft

Step-by-step explanation:

let w = width

let 3w = length

w + w + 3w + 3w = 16

8w = 16

x = 2

Area = 3(2) x 2

A = 6 x 2


Related Questions

which expression is equivalent to 2(a+3) when a equals 3

2(3)
5(3)
2(3)+3
2(3)+6​

Answers

2(3+3) or 2(3)+6, so the answer is the third option. It’s just using the distributive property.

Answer:

2(3)+6

Step-by-step explanation:

a = 3

substitute a with 3

2(a+3)

= 2(3+3)

= 2(6)

= 12

i) 2(3) = 6 ❌

ii) 5(3) = 15 ❌

iii) 2(3)+3 = 6+3 = 9❌

iv) 2(3)+6 = 6+6 = 12

y=5/3x+1.33 in standard form

Answers

Answer:

500 x − 300 y  = − 399

Step-by-step explanation:

This should be the answer

Answer:

−300Y + 500x = −399

Step-by-step explanation:

can i kiss blackbeltur please? Thank you. Here is a test Good luck answering! No calculalators.
612432x3131324467676898=
551736475338+71235205723914-74832-439891-4321=
55=4915=1

Answers

Wait what I’m confused

Can somebody plz answer questions 13-18 correctly thank you!

WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST!!!! :DDD

Answers

Answer:

13. 20%

14.7%

15. 3.5%

16.45%

17. 84%

18. 68.5%

which value is the solution for this equation? 7(b - 2) = -7

a. -2
b. 1
c. 2
d. 5

Answers

Answer:

1

Step-by-step explanation:

7b -14 = -7

or b= 14-7 / 7

or b= 7/7

b is 1

1
What is the solution set for -2x + 1 <-4x - 3?
-10
-5
0
5
10
A.
B.
C.
x<2
X> 2
X<-2
x>-2
D.
Look at pic for details

Answers

Answer:

The answer would be C) x < - 2

Step-by-step explanation:

I have attached a picture that shows how the number line looks like!

Danny charges $44 for 4 hours of swimming lessons, Martin charges $42 for 3 hours of swimming lessons. Who offers a better deal?

Answers

Danny, he charges $11 per hour, while Martin charges $14 per hour.

Answer:

I would say that Danny's deal is better.

Step-by-step explanation

If you wan t to know the better deal you should first figure out how much they charge per hour. All you have to do is divide the price by the amount of hours.

Danny: 44 ÷ 4 = 11

Martin: 42 ÷ 3 = 14    

Martin charges more money for fewer hours. Danny charges less for 4 whole hours, so he would be the better deal!!!

What is 8 divided by 2345

Answers

Answer:

.003411

Step-by-step explanation:

Is the OBJ box supposed to mean something?

Can someone please PLEASE help me??? I'll give brainliest!

Answers

Answer:

colllge math or highchool

math worksheet PART 2

Answers

1) 1:1.5
2. 1.5:7
3) 1:7

Answer:

1) 1:1.5

2) 1.5:7

3) 1:7

Step-by-step explanation:

For example, if you add 1.5 +1.5 you get 3 then reapeated you get the same for 4.5.

jeff is buying books at a used bookstore. he wants to approximate the total cost of his purchase before checking out. which amount is the most reasonable approximation of the total price of the 5 books?

Answers

Reasonable approximation of total price of 5 books = 5 x price per book

Calculation of Total Value of Books

Total Value = Quantity x Price

Given : Quantity, of books = 5

So, putting 'Q' in Total Value

Total Value = 5 x price per book

For example : If price per book = 10. Then, Value = 5 x 10 = 50

To learn more about Total Value, refer https://brainly.com/question/14411378?referrer=searchResults

Answer: $35.00

just did it

Step-by-step explanation:

If l || m, find the value of x.

Answers

Answer:

15

Step-by-step explanation:

(5x + 9)° = 84° (alternate angles)

5x + 9 = 84

5x = 84 - 9

5x = 75

x = 75/5

x = 15

Will is buying a house for $185,000. He is financing $165,000 and obtained a 30-year, fixed-rate mortgage with a 6.725% interest rate. How much are his monthly payments? (2 points)

Answers

Answer:  $1067.45

=================================================

Work Shown:

L = 165000 = loan amount or amount financed

r = 0.06725  = annual interest rate in decimal form

i = r/12 = 0.06725/12 = 0.005604167

i = 0.005604167 = approximate monthly interest rate in decimal form

n = number of months = 30*12 = 360 months

P = unknown monthly payment

--------------

Apply the monthly payment formula

P = (L*i)/( 1-(1+i)^(-n) )

P = (165000*0.005604167)/(1-(1+0.005604167)^(-360))

P = 1067.44636311118

P = 1067.45

what is the coordinates of B?

Answers

Answer:(-4,1)

Step-by-step explanation:

x: Since it said x+1 you move it over to the right one unit because the left to right is positive on a graph. So that would make the x-coordinate go from -5 to -4.

y: Since it said y-3 you would move it down three units because top to bottom is negative on a graph. so that would make the y-coordinate go from 4 to 1.

I hope this helps!!    :)

Which function is represented by the graph? PLEASE HELP IM BEING TIMED

Answers

Answer:

I think the second one

Step-by-step explanation:

I haven't learned how to do this.

Answer:

1st Option:

[tex]f(x)=-2|x|+1[/tex]

Step-by-step explanation:

The attached picture below is proof that [tex]f(x)=-2|x|+1[/tex] is the correct function that represents the graph.

Hope this helps! :)

Check all that apply please

Answers

Answer:

1, scalene 2, equilateral 3, scalene 4, isosceles

Step-by-step explanation:

In a company's first year in operation, it made an annual profit of $277,000. The
profit of the company increased at a constant 18% per year each year. How much
total profit would the company make over the course of its first 5 years of operation,
to the nearest whole number?

Answers

633,708 is the answer I got

Over the course of its first 5 years of operation, total profit the company would make is $633,709 .

What is a compound interest?

"Compound interest is the addition of interest to the principal sum of a loan or deposit, or in other words, interest on principal plus interest."

Given, the annual profit of the company at first year = P =$277,000.

The rate of increase of profit = r% = 18% =0.18.

Total duration = n = 5.

Therefore, after first 5 years of operation, total profit the company would make = P[(1 + r)/100]ⁿ

= $277,000(1 + 0.18)⁵

=$633,708.9

≈$633,709

After 5 years , the total profit would have $633,709.

Learn more about compound interest here: https://brainly.com/question/17088238

#SPJ2

Which equation represents a line with a slope of -2/3

and passes through the point (6,-2)?

Answers

y= -2/3x +2
hope this helped!!

HELP ASAP!! What are the boundaries of the feasible region (i.e. the points that define
the region of solutions)? (Hint: There should be four points)

Answers

Answer:

We need to see the graph in order to solve this.

Step-by-step explanation:

No graph

Please Help! Ill give you 55 points.

Answers

Answer:

............................

Step-by-step explanation:

I think the answer is 65 degrees..hope it helps

What is the slope of the line that passes through the points (-4, -2)and (−4,−22)? Write your answer in simplest form.

Answers

Step-by-step explanation:

The slope of a line given two points can be found by using the formula

[tex]m = \frac{ y_2 - y _ 1}{x_ 2 - x_ 1} \\[/tex]

From the question we have

[tex]m = \frac{ - 22 - - 2}{ - 4 - - 4} = \frac{ - 22 + 2}{ - 4 + 4} = - \frac{20}{0} \\ [/tex]

Any number divided by zero is undefined so the slope of the line is undefined.

Hope this helps you

Answer:

Undefined ([tex]\infty [/tex])

Step-by-step Explanation:

We need to find the slope of the line joining the points (-4, -2) and (-4, -22).

We know that, Slope is the difference of abcsissa (x - coordinate) / difference of ordinates (y-coordinate)

[tex]m = \dfrac{y2 - y1}{x2 - x1} [/tex]

Here:

x1 = -4x2 = -4y1 = -2y2 = -22

Plugging these values:

[tex]m = \dfrac{ - 22 - ( - 2)}{ - 4 - ( - 4)} [/tex]

This can be written as:

[tex]m = \dfrac{ - 22 + 2}{ - 4 + 4} [/tex]

[tex]m = \dfrac{ - 20}{0} = \infty [/tex]

Here, The slope of the line is infinite or undefined. An undefined slope (or an infinitely large slope) is the slope of a vertical line!

I need help please!!

Answers

Domain[-2, ∞)
Range(-∞, ∞)

Answer:

The domain is x ≥ − 2 and the range is AllRealNumbers

Step-by-step explanation:

Alrighty, first of all, the domain is the number or amount of x coordinates in the function. The range is the number or amount of y coordinates in the function. As we can see, the x coordinates stretch out towards the right starting from -2. We can include -2, so the domain would be x ≥ − 2.  The range would be AllRealNumbers because it streches out infinitely both upwards and downwards.

PLEASE HELP! BRAINLIEST IF CORRECT!
Over a 20-year period, a certain city recorded a total rainfall of 621 inches. The rainfall during this past year was 28 inches. If the variable "r" stands for the total amount of rain for the other 19 years, which of the following units could apply to that variable?

A. months
B. inches
C. years

Answers

Answer: B inches

Step-by-step explanation:

I took the quiz

Answer:

its B

Step-by-step explanation:

perform the indicated operation :-1)( 1)(2)(2)(-2)

Answers

Answer:

8

Step-by-step explanation:

The indicated operation is multiplication, therefore:

-1 × 1 × 2 × 2 × -2 = 8

The dimensions for a rectangular prism are x + 2 for the length, x + 3 for the width, and x for the height. What is the volume of the prism? Enter your answer as a polynomial in standard form. The volume of the prism can be expressed as (_____)

please if you can explain it to me, I want to understand how to do this as well. thank you for your help

Answers

V = lwh

V = (x + 2)(x + 3)(x)

V = (x)(x^2 + 3x + 2x + 6)

V = (x^3 + 3x^2 + 2x^2 + 6x)

V = x^3 + 5x^2 + 6x

All you do is foil the dimensions together and then combine like terms. Hope this helps!

Answer:

Step-by-step explanation:

At right is the tunnel entrance that runs through
Castle Hill in Budapest, Hungary.



-a If the maximum height of the tunnel is the
same as its maximum width, 9.8 meters,
determine a quadratic model to represent
the tunnel
-b State a geometric model that could be used to
represent a truck passing through the tunnel.
-c If a typical truck has a width of 2.62 m,
determine the height limitation that should
be put on these trucks if they are going to
travel through the tunnel safely. State any
assumptions that you made and be sure to
show all of the steps in your solution.
-d Because its length is almost 350 meters,
a truck stopped in the tunnel would need
enough room for the passenger door to open
fully. Suppose a truck with a width of 2.6 m
and height of 3.4 m is stuck in the right lane
of the tunnel by the center line. The top of
the driver's door is 0.2 m below the top of the
truck, and the door opens 0.8 m to the side.
Show that the door can open fully, showing
all of your steps.
-e Determine how close to the side of the tunnel
the truck could be in d be and still be able to
open the passenger door.
-f Describe some issues/concerns that you
think architects take into account when
modelling a tunnel before its construction
End of document​

Answers

Answer:

My buddy what's popping??

Step-by-step explanation:

Those coming from the Pest end had to walk round the Castle Hill on the Buda side to be able to proceed northwards. On 10 February 1853, four years after the completion of the Chain Bridge, the building of a tunnel leading through the hill was started to the plans of Adam Clark. On 6 March 1856, the tunnel was opened for foot traffic, and on 30 April 1857 also for motor traffic. Being 350 meters in length, it leads through under the Buda Castle to the other side of the hill. Its length is approximately identical to that of the Chain Bridge, prompting anecdotes according to which the tunnel has only been built so that in rainy weather, the Chain Bridge can be shoved in and be protected from wet conditions. The entry of the tunnel at its Chain Bridge end was also fittingly designed in classicist style.

Answer:

At right is the tunnel entrance that runs through Castle Hill in Budapest, Hungary.-a If the maximum height of the tunnel is the same as its maximum width, 9.8 meters, determine a quadratic model to represent the tunnel-b State a geometric model that could be used to represent a truck passing through the tunnel.

Step-by-step explanation:

What is a graphical word that means the same as the letter "a" in
exponential functions?​

Answers

Answer:

Base of the function. Starting value

Step-by-step explanation:

Hey! I know this seems easy, but I really do need help!:(

Answers

Answer:

2b+9

Step-by-step explanation:

(7-b)+(3b+2) ---> remove parenthesis

7-b+3b+2 ---> combine like terms

2b+9

2B+9 :)
Also if you ever need help on these questions you can just dm me on thatsbloodyy on i g I love doing these types of math questions lol :,)
Happy holidays!!

HELP PLZ!! WILL MAKR BRAINLIEST

Answers

Answer:

See below

Step-by-step explanation:

The y-intercept is -5.5 as per graph

Taking two random points from the graph to find the slope:

(-1, -6) and (1, -5)

Use slope formula: m = (y2 - y1)/(x2 - x1)

m = (-5 - (-6))/(1 - (-1)) = 0.5

The line in slope-intercept form is (y = mx + b)

y = 0.5x - 5.5

or

y = 1/2x - 11/2

Answer:

i don’t think I understand.

Step-by-step explanation:

I’ll give BRAINLIEST just pls help :(

Answers

Answer:

September

December

May and December

Step-by-step explanation:

I am not sure about the last one

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