Mathematics College

The length of a rectangle is 5 inches more than three times the width.The perimeter is 64 inches. Find the length and width.

Answers

Answer 1

Answer:

L=25.25 in

W= 6.75in

Step-by-step explanation:

Step one

Given data

Let the width be x

W= x

and length

L= 3x+5

Perimeter= 64 in

Step two:

we want to find the dimension of the rectangle

We know that perimeter is

P= 2W+2L

64= 2*x+2*(3x+5)

64= 2x+6x+10

collect like terms

64-10=8x

54= 8x

divide both sides by 8

x= 54/8

x= 6.75in

We know that the length is

L= 3x+5

L= 3*6.75+5

L= 20.25+5

L=25.25 in

Related Questions

4/5 + v = 41/20
solve this plz and show me how you got the answer

Answers

Answer:

v = 1 1/4   (1.25)

Step-by-step explanation:

4/5 + v = 41/20

16/20 + v = 41/20

16/20          16/20

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

v = 41/20 - 16/20 = (41-16)/20 = 25/20 = 5/4 = 1 1/4

A={b,l,o,u,s,e} and U={a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z}.

Answers

Answer:

oof

Step-by-step explanation:

Blouse

The Alphabet

What is the sum of 2x+1 and its opposite?

Answers

Answer:

Zero. The sum of anything and it's opposite is zero, that's how an opposite is defined . In this case, the opposite of 2x+1 is -(2x+1)=-2x-1 by the distributive property . Adding like terms, 2x+-2x+1+-1=0+0=0.

0 (i dont have a proper explanation)


Select ALL the correct answers,

Select the scenarios that correctly represent the given graph

1. The amount of money in an account decreases for a few months and then increases.
2. The height of a stone shot by a catapult reaches a maximum height and then falls on the ground.
3. The sale of a product increases at first and then decreases.
4. The radioactivity of a substance decreases by 10% every year.
5. The speed of a car increases constantly by 10 miles per hour.

Answers

Answer :

Option (2) and Option (3) is the correct answer .

Required Explaination :

Scenario 2 : The height of a stone shot by a catapult reaches a maximum height and then falls on the ground.

The graph of this scenario is a downward parabola. Therefore option 2 is correct.

Scenario 3 : The sale of product increases at first and then decreases.

The graph of this scenario is a downward parabola. Therefore option 3 is correct.

Therefore, the correct options are 2 and 3.

write an expression that can be usedto find the nth termo of each sequence 9, 17, 25, 33

Answers

Answer:

The expression used to find the nth term of each sequence 9, 17, 25, 33 will be:

[tex]a_n=8n+1[/tex]

Step-by-step explanation:

Given the sequence

9, 17, 25, 33

a₁ = 9

Determining the common difference

d = 17-9 = 8

d = 25-17 = 8

d = 33-25 = 8

As the common difference between the adjacent terms is same and equal to

d = 8

Therefore, the given sequence is an Arithmetic sequence.

An arithmetic sequence has a constant difference 'd' and is defined by  

[tex]a_n=a_1+\left(n-1\right)d[/tex]

substituting a₁ = 9, d = 8 in the equation

[tex]\:a_n=9+8n-8[/tex]

[tex]a_n=8n+1[/tex]

Therefore, the expression used to find the nth term of each sequence 9, 17, 25, 33 will be:

[tex]a_n=8n+1[/tex]

can somebody pls help me solve this question?

Answers

Answer: Im pretty sure its G

Step-by-step explanation:

Find the
area of
squar park, whose perimeter is
4640 m.

Answers

Answer:

1345600 meters squared

Step-by-step explanation:

devide the perimeter (4640m) by 4 and you get 1160m for each side of the square now you multiply that by itself to get 1345600 meters squared.

Answer:

Step-by-step explanation:

Square

Solve for area

A≈1.35×106m²

P Perimeter

4640

m a d a d d a P a A

Using the formulas

A=a2

P=4a

Solving forA

A=1

16P2=1

16·46402=1.3456×106m²



If degree measures of the angles of A ABC are represented by 3x, x+10,

and 6x, then A ABC must be...

Answers

Answer:

30degrees

Step-by-step explanation:

The sum of angles of a triangle is 180

<A + <B + <C = 180

Substitute the given values

3x + x+10 + 6x = 180

10x + 10 = 180

10x = 180-10

10x = 170

x = 170/10

x = 17

Get <A:

<A = 3x

<A = 3(10)

<A = 30degrees

Hence the measure of angle A is 30degrees

Item 6
At the beginning of the day, the temperature is -8°F. As the sun comes out, it warms up 19°F. What is the temperature once it warms up?
°F

Answers

Answer:

-8 + 19 = 11ºF

Step-by-step explanation:

Which number line shows 1 to 4 divided into fifths?

Answers

Answer:

Second option!!!

Step-by-step explanation:

Hope it helps you:)

And the number 6,497.4, the four next to the six is worth ___ times the other four.

A) 10

B) 100

C) 1,000

D) 10,000




The answer is : C

The answer is C because the four next to the six is three places to the left of the other four, its 1,000 times the other four

Answers

Yeah the answer is c

Please help solve this. (Answer is not 80)

Answers

You were close! The answer is 70
The answer is 70 :) hope I helped

Can someone help with the answer?

Answers

the correct answer is d!

Game Stop is selling a video game for 15% off $35 . What is the sale price ?

Answers

Answer: $29.75

Explanation: 1-0.15 = 0.85,
35(0.85) = 29.75

Answer:

29.75

Step-by-step explanation:

5% of 35 is 1.75 so 1.75 times 3 equals 5.25, 35 - 5.25 = 29.75

What is the GCF of 35 and 47

Answers

Answer:

The GCF of 35 and 47 is 1

z = -3x +5y
Minimum value of z?

Answers

Answer:

minimum value of z is 0

Step-by-step explanation:

if x and y both equal zero, then the value of z is zero, which is your answer.

help please
what is the product?

Answers

Answer:

−10x4+17x2y−6y2-10x4+17x2y-6y2

or the second option

Getting points because you got your answer



10x+whatever

After a gas-filled balloon is released, it rises 90 feet by the end of the first minute. By the end of the second minute, the balloon rises 120 feet, and by the end of the third minute, it rises 150 feet. How many feet would the balloon rise in 8 minutes?
a.
300
c.
390
b.
330
d.
660

Answers

Answer:

Its B :)

Step-by-step explanation:

Dan brought 36 vanilla cupcakes and 49 chocolate cupcakes to his school bake sale. Then his friend brought 5 more cupcakes. How many total cupcakes did the bake sale have to sell?

Answers

Answer:

90

Step-by-step explanation:

Answer:

90 cupcakes

Step-by-step explanation:

So, to solve this question all we have to do is add the number of cupcakes that Dan brought and the number of cupcakes that his friend bought.

So the expression would look like this:

36 + 49 + 5 = 90

So, in conclusion, the bake sale had 90 cupcakes to sell

plz mark me brainliest if correct :)

Question
-2(8)=
I really need help please! I will pay u back with good things! :)

Answers

Answer:

-2(8)=16

Step-by-step explanation:

-2(8) is equal to -2 times 8/ -2 x 8

So 2 times 8 is 16, but since it's negative 2 it takes the negative sing

Please help me eith this Ive asked like six times
Also please explain in depth bc these questions in general confuse me

Answers

Answer: WX = 12

Step-by-step explanation:

WX = 2VX

WX = 2 (6)

WX = 12

This is what I was thought in class so I hope it's right..

Which of the following represents the sum 4+8? Assume that red tiles represent negative numbers and blue tiles
represent positive numbers.
A.four blue tiles plus eight blue tless
B.four blue files plus eight red tiles
C.four red tiles plus eight red tiles
D.four red tiles plus eight blue tiles

Answers

Answer:

A.

Step-by-step explanation:

Both are positive values, so it's just four blue plus eight blue.

its just a riddle tho i need it for math plz answer the riddle ill give brainliest

Answers

Answer:

Area Rugs

Step-by-step explanation:

the price of some medication was increased from $8 to $12. By what percentage was the price of the medicine increased ?​

Answers

I believe it’s 50% because you divide 8/2 and that’s 4, and 4+8=12

I need Help please please

Answers

Answer:

the answer will be B

......

the ratio of boys to girls in a class is 4:5 what frqction if the class are boys ​

Answers

Answer:

4/9 to 5/9

Step-by-step explanation:

So, out of every 9 students, 4 are boys. Therefore, 4/9 of the students are boys. The ratio of boys to girls is 4:5. So let 4x be the number of boys and 5x be the number of girls.

3 Prove that
cos130°+cos 110+ cos10=0​

Answers

We know, cos A + cos B = 2cos(C+D)/2 × cos(C - D)/2

So,

cos 130 + cos 110 + cos 10

cos 130 + 2cos (110+10)/2 × cos( 110-10)/2

cos 130 + 2cos 60 × cos 50

cos ( 180 - 50 ) + 2cos60 cos 50

We know, cos ( 180 - A ) = -cos A

2cos 60 cos 50 - cos 50

Also, cos 60 = 0.5

2×0.5 cos 50 - cos50

cos 50 - cos 50

0  = RHS.

Hence proved

ill give brailest


Read the excerpt below. Which of the following statements best summarizes the main idea of the excerpt?


In 1944 Elion joined the Burroughs Wellcome Laboratories (now part of GlaxoSmithKline (a company that makes prescription medicines)). There she was first the assistant and then the colleague of Hitchings, with whom she worked for the next four decades. Elion and Hitchings developed an array (variety) of new drugs that were effective against leukemia, autoimmune disorders, urinary-tract infections, gout, malaria, and viral herpes.


Elion believed that new drugs could be developed to help people.


Elion had to work for Hitchings because she was a woman.


Elion worked hard for more than 40 years to earn money for retirement.


Elion and her colleagues were responsible for developing important drugs.

Answers

D Elion and her colleagues were responsible for developing important drugs

Rewrite the expression as the sum of two numbers 7(2+5)

Answers

answer:

its 7 x 7 or 49

explanation:

First you used distribute property
7(2+5) bring 7 into the parentheses
14+35 Then you just add
49 that’s the sum

Find the area of a circle with a diameter of \color{green}{16}16start color green, 16, end color green.
Either enter an exact answer in terms of \piπpi or use 3.143.143, point, 14 for \piπpi and enter your answer as a decimal.
units^2
2

Answers

Answer:

64π

Step-by-step explanation:

no

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