If a rectangle has the sides 5x-3 and 6x-4 what is the area and perimeter

Answers

Answer 1

Step-by-step explanation:

[tex]A = lw[/tex]

[tex]A=(5x-3)(6x-4)[/tex]

[tex]A=30x^2-20x-18x+12[/tex]

[tex]A=30^2-28x+12[/tex]

[tex]P=2(l + w)[/tex]

[tex]P = 2(5x - 3 + 6x - 4)\\P=2(x-7)\\P=2x-14[/tex]

Answer 2

Answer:

[tex]Perimeter = 22x - 14[/tex]

[tex]Area = 30 {x}^{2} - 38x + 12[/tex]

Step-by-step explanation:

Length of rectangle (l) = 5x - 3

Weidth of rectangle (w) = 6x - 4

Perimeter of the rectangle = [tex]2(l + w)[/tex]

[tex] = > 2(5x - 3 + 6x - 4)[/tex]

[tex] = > 2(11x - 7)[/tex]

[tex] = > 22x - 14[/tex]

Area of the rectangle = [tex]l \times w[/tex]

[tex] = > (5x - 3)(6x - 4)[/tex]

[tex] = > 5x(6x - 4) - 3(6x -4)[/tex]

[tex] = > 30 {x}^{2} - 20x - 18x + 12[/tex]

[tex] = > 30 {x}^{2} - 38x + 12[/tex]


Related Questions

Pls hurry I’m being timed

Answers

I believe the answer is “A”

Answer:

I think the answer is A

Step-by-step explanation:

makes sense

To divide 1.95 + 0.005, you will need to move the decimal in the divisor and the
dividend to the ...
Left one place
Left two places
Right two places
Right three places

Answers

I don’t really know what this means

I'm assuming the goal of this style of division is to divide by whole numbers instead of decimal numbers. In that case, you would need to move the decimal in the divisor and the dividend three places to the right.

Help asapppppppp pleasee

Answers

y= -1/4x + 3

cause it’s y=mx+b so you do the slope with going up/down as numerator and left or right as denominator. if the line is goin down from left to right it’s slope will be negative, if it’s going up from left to right it’s positive. then the b is just the y-intercept

how many solutions are in -2x+3 = -2x+3

Answers

Answer:

Infinite Solutions

Step-by-step explanation:

If the two equations are the same (as they are here), the amount of solutions would be infinite. I hope this helps!

Does the table represent y as a function of x?

Answers

Answer:

yes

Step-by-step explanation:

A storage container for oil is in the shape of a cylinder with a diameter of 14ft and a height of 16ft. Which measurement is closest to the volume of the storage container in feet.

Answers

Answer:

the answer would be 1335.18

Step-by-step explanation:

Help me Please please people I believe you can help me...

Answers

Answer:

A.)  9pencils

B.)   6 more Pencils than markers

Step-by-step explanation:

A.)1.08/ 0.12 = 9

B.) 2.18 - 1.08 = $1.10

1.10 / .36 = 3 Markers

HAVE A GREAT DAY!!! :)

Answer:

for the first question bonnie bought 9 pencils

and for the second question albert has 6 more pencils than markers

Step-by-step explanation:

hope this helped

What is the slope of the line in the graph?
PLEASE HURRY

Answers

-5, 5 Hope it helps :D

3x + 2(4 + 6x) = 113

Explain what you did in each step of your solution.

Answers

PEMDAS (parenthesis, exponents, multiplication, division, addition, subraction)

Answer:

x = 7

Step-by-step explanation:

So first, multiply everything inside the (   ) by 2

So then, the equation will look like this: 3x + 8 + 12x = 113

Then, combine like terms, which leave the equation to look like this:

15x + 8 = 113

Then subtract 8 from both sides, leaving the equation like this : 15x = 105

Last step, divide both sides by 15, which leave you with x = 7

Please help!!!!! In a hurry

Answers

Answer:

1/12

Step-by-step explanation:

Answer:

1 /12. hope you get an a, thx

Which expression is equivalent to 3V64a^6b^7c^9?

Answers

Answer:

24a³b³c⁴[tex]\sqrt{bc}[/tex]

Step-by-step explanation:

Given

3[tex]\sqrt{64a^6b^7c^9}[/tex]

Equivalent expression is

3[tex]\sqrt{64a^6b^7c^9}[/tex] =3[tex]\sqrt{8^2(a^3)^2b(b^3)^2c(c^4)^2}[/tex] =3*8a³b³c⁴[tex]\sqrt{bc}[/tex]=24a³b³c⁴[tex]\sqrt{bc}[/tex]

Solve this equation
2 (c+8) = -12

Answers

Answer:

C= -14

Step-by-step explanation:

2(c+8)= -12 > divide both sides by 2

C+8= -6 > move c by itself

C= -6-8  > then subtract -6 and -8 and you will get -14

The graph of which function has an axis of symmetry at x = -?

Answers

The answer has to be the lowest negative number

How to write 1 billion and 67.9 in expanded formp

Answers

Answer:

1,000,000,000+60+7+.9

Explanation:

Start by writing out 1 billion and then add the 67.9!

I need answer pls, PLS

Answers

Answer:

The answer is 17

Step-by-step explanation:

First step is dividing 45÷9 = 5

Then, 2² = 4

Now you have: 4 × 5 - 3 => 20 - 3 => 17

Answer: 17

Step-by-step explanation:

PEMDAS

45÷9=5 2×2=4 4×5=20 20-3=17

The least common denominator of 3/2 and 2/3 is

Answers

Answer:

6

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

Multiply the 2 denominators which gives you 6. P.S make sure to do cross multiplication for the numerator cause if the rest of the question asks for the full answer then you would get it wrong if you don't.

I need help on this math question plis ​

Answers

Answer:

B

Step-by-step explanation:

what is the slope of the line if it is y=4x+12

*30 points*

Answers

Use format: y = mx + b
m = slope
Y = 4x + 12
The slope is 4

Write the equation of the linear relationship in slope-intercept form using decimals as needed

Answers

Answer:

25/82

Step-by-step explanation:

Assume that 12 jurors are randomly selected from a population in which 73% of the people are Mexican-Americans. Refer to the probability distribution table below and find the indicated probabilities.

0 0+
1 0+
2 0.0001
3 0.0007
4 0.004
5 0.0172
6 0.0542
7 0.1255
8 0.2122
9 0.2549
10 0.2068
11 0.1016
12 0.0229


Find the probability of exactly 5 Mexican-Americans among 12 jurors. Round your answer to four decimal places.
P(x=5)=



Find the probability of 5 or fewer Mexican-Americans among 12 jurors. Round your answer to four decimal places.
P(x≤5)=



Does 5 Mexican-Americans among 12 jurors suggest that the selection process discriminates against Mexican-Americans?

no
yes

Answers

Answer:

I'm not sure if i'm correct but i'm guessing no

Step-by-step explanation:

Rina’s recipe uses 2 cups of sugar to make 2 ½ dozen cookies. Jonah’s recipe uses 2 ¼ cups of sugar to make 3 dozen cookies. Which recipe uses more sugar for a dozen cookies? Why?

Answers

Answer:

Let's calculate the "cups of sugar per dozen cookies" ratio:

2 cups

---------- = 0.8  (Rina)        

  2.5                                  

2.25 cups

------------- = 0.75 (Jonah)

     3

Rina uses more sugar for a dozen cookies.

(m²+mn+n²)(m²-mn+n²)​

Answers

To be real I don’t know I don’t understand math with all those letters

Answer:

[tex]m^{4\\}[/tex]+[tex]m^{2}[/tex][tex]n^{2}[/tex]+[tex]n^{4}[/tex]

Step-by-step explanation:

If you're distributing each value, I would recommend you to use the lattice method so that you can work on it faster.  Make sure to add the exponents instead of multiplying to have an accurate answer.  Once your done then cross out the ones that would subtract to 0 which would leave you with [tex]m^{4\\}[/tex]+[tex]m^{2}[/tex][tex]n^{2}[/tex]+[tex]n^{4}[/tex] as your final answer if you did it properly.

Which of the following statements is not true about the graph of a system of equations with infinitely many solutions? (KY.8.EE.7)

a) The lines will have the same slope.

b) The lines have one positive y-intercept and one negative y-intercept.

c) The lines will have the same y-intercept.

d) The lines will share all of the same points.​

Answers

Answer:

C

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

"Nine more than three times a number is negative six"

what is the answer?​

Answers

I'm sorry I have No clue

Step-by-step explanation:

lol but I honestly d0n7 kno

Michael buys a car and agrees to pay $1,500 up front and $450 month for the next 2 years. Which shows the total amount,y, in dollars that will be paid at the end of x months?

Answers

Answer:

Total cost= $12,300

Step-by-step explanation:

Giving the following information:

Fixed cost= $1,500

Monthly cost= $450

To calculate the total cost, we need to use the following formula:

Total cost= fixed cost + unitary variable cost*x

x= number of units

For 2 years:

Total cost= 1,500 + 450*24

Total cost= $12,300

Answer:

Step-by-step explanation:

I need help on this asap, I'm giving 39 POINTS and mark BRAINLIEST the question is on the pic! thankss

Answers

Answer: I’m pretty sure it’s c also

During the summer, 1.3% of the water in the kiddie pool evaporates every day. If the kiddie pool holds 8,000 gallons of water and is not
refilled for 10 days, how many gallons of water will be in the pool? Round your answer to the nearest gallon enter the amount

Answers

Answer:

7019 gallons

Step-by-step explanation:

Initial volume of water = 8000 galDaily reduction = 1.3% Time = 10 days

Required equation:

8000*(1- 0.013)^10 =8000*0.987^10 =7018.7781 ≈ 7019 rounded to the nearest gallon

Your restaurant bill is $42.16. You want to leave a 20% tip. What is your best
estimate of a 20% tip?
Your answer

Answers

Answer:

$8.40

Step-by-step explanation:

Since this is an estimate, you need to do it in your head. The way I did it was I divided 40 by 5 since 20% is one fifth of 100%, then I divided 2 by 5 and added them together which equaled 8.40.

Answer:

About $8

Step-by-step explanation:

Move decimal point one place to the left (making $4.20), then double that answer (making $8.40). You said estimate so I rounded down to $8 but a more precise answer would be $8.40.

Hope this helps :).

PLEASE ANSWER AND HELP

Anissa plans to save for a pir of
headphones that are $85.00. The sales
tax rate is 8%. How much will Anissa
need to save?

Answers

She must save $91.80.

Mr. Parker wants to rent a cargo van for a day. It will cost the daily fee of $50 plus $0.35 per mile driven. Let m = the number of miles Mr. Parker drives for the day. Write an algebraic expression that shows the amount he will pay for the van. *

Answers

answer: is 34

Step-by-step explanation:M=50 so $0.35-50

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