The length of a rectangular pool is
L yards, and it's width is 4 yards
shorter than it's length. Write an
expression for perimeter of that
pool.

Answers

Answer 1

Answer:

4L-8

Step-by-step explanation:

Formula: L+L+(L-4)+(L-4)

=L+L+L-4+L-4

=4L-8 (hope this explains you the problem)


Related Questions

I HELP NEED ASAP PLZ HELP ME

Answers

uhhh divide 7•3•5 or multipy

Each side of a square classroom is 8 yards long. The school wants to replace the carpet in the classroom with new carpet that costs $79.38 per square yard. How much will the new carpet cost?

Answers

Answer:

Total cost= $4,445.28

Step-by-step explanation:

Giving the following formula:

Each side of a square classroom is 8 yards long.

The new carpet costs $79.38 per square yard.

First, we need to calculate the total number of square yards needed:

Square yards of the classrom= 8*8= 56

Now, the total cost:

Total cost= total square yards*unitary cost

Total cost= 56*79.38

Total cost= $4,445.28

what is the area of a triangle with a base of 2 5/8mm and a height of 10mm.

A. 6 1/4 mm2
B. 13 1/4mm2
C. 16 3/8mm2
D.26 1/4mm2​

Answers

Answer:

what is the area of a triangle with a base of 2 5/8mm and a height of 10mm

Step-by-step explanation:

C.16 3/8mm2

Answer:

13 1/8mm² is your answer

Step-by-step explanation:

the area of a triangle with a base of 2 5/8mm and a height of 10mm.

=1/2 base×height=1/2×2 5/8 ×10=1/2×21/8×10

=21/8×5=105/8=13 1/8mm²

here

2 5/8=21/8

Sally deposited $25000 into Bank A for 2 years at5% per annum. After the 2 years ,she withdrew her all her money from that bank and deposited all into Bank B for 3 years at 7%per annum. How much money did she have in Bank B after the 3 years ?​

Answers

Answer:

$525

Step-by-step explanation:

25000×5%×2years/100=$2500

2) 2500×7%×3years/100=$525

PLEASE HELPPPP!!!! EXPLAIN HOW U GOT THAT ANSWER

Answers

Answer:

D

Step-by-step explanation:

Solve

6

2 pi = 6.28

[tex]\sqrt{34\\}[/tex] = 5.8

[tex]\sqrt{42}[/tex] = 6.4

Then order them 5.8, 6, 6.28, 6.48 which is D

I’m watching a movie now,” I said.

“But I want to watch something else” my little sister whined.

“Just wait a few minutes. This movie will be over soon”, I told her.

“Change it now!” she screamed.

Which errors are found in the text? Check all that apply.

There are missing quotation marks.
The first word of a quotation is not capitalized.
There are missing and incorrectly placed commas.
A new speaker needs a new paragraph.

Answers

Answer:

There are missing and incorrectly placed commas.

There are missing quotation marks.

Step-by-step explanation:

Answer:

A. There are missing quotation marks.

C. There are missing and incorrectly placed commas.

Step-by-step explanation:

edge2021

i
MODELING REAL LIFE You borrow $1300 to buy a telescope. What is the monthly payment?
11.8% Simple Interest
Equal monthly
payments for 2 years

Answers

Answer:

b

Step-by-step explanation:

Could side length of 12,10,30 make any triangle Help me plz!!

Answers

Answer:

It could make a triangle, but not any.

Step-by-step explanation:

To find out if a set of three positive points can represent the lengths of the sides of a given triangle, CHECK that each of the three numbers is less than the sum of the other two numbers.

I NEED AN ANSWER FOR THE TWO QUESTIONS! I HAVE 3 MINUTES TO FINISH!!! HELP!!!!!!

Answers

Answer:

First one is first option

Second one is the third option

Step-by-step explanation:

Write an exponential function in the form y=ab^x that goes through points (0, 2) and (6, 8192)

Answers

Answer:

y=2(2 2^(1/6))^x

Step-by-step explanation:

y=2(2 2^(1/6))^x

since b^x with x being zero b has to be 1 and since y = 2 a also = 2

then insert that back into the equation

Hope that helps :)

The exponential function that goes from (0, 2) and (6, 8192) will be y = 2([tex]4^{x}[/tex]).

What is an exponential function?

In mathematics, an exponential function is a relationship of the type y = ax, where x is an independent variable that spans the entire real number line and is expressed as the exponent of a positive number.

As per the given exponential function,

y = a[tex]b^{x}[/tex]

Put (0, 2) into the above function,

2 = a(b)⁰

a = 2

Put (6, 8192) and a = 2

8192 = 2(b)⁶

b⁶ = 4096

b = 4

Thus required function will be y = 2([tex]4^{x}[/tex]).

Hence"The exponential function that goes from (0, 2) and (6, 8192) will be y = 2([tex]4^{x}[/tex])".

For more about exponential function,

https://brainly.com/question/15352175

#SPJ2

PLS HELP!! URGENT!!!

what is g(x)?
a- g(x)=-x^2
b- g(x)=-lxl
c- g(x)=-2^x
d- g(x)=-x

Answers

Answer:

g(x) = -2^x

Step-by-step explanation:

This is an exponential function from the looks of the value for x as it decreases toward the negative value (increase in the absolute value calculation) y is constricted from its vigorous values down to the fractional components of an equation of the standard appearance of y = C^x. For this, try some values. x = 1 y = 2, x = 2 y = 4. There is a trend that is established through these points, and g(x) = -2^x seems to follow this trend as it is reflect across the x-axis. Enter points, it is confirmed and a graphing calculator further substantiates. Try for yourself!

What is the domain, range, y-intercept, and Asymptote of y=(1/3)

Answers

Domain - (−∞,∞)
Range - {y∣y=1/3}
Y-intercept- 1/3
Asymptote - none

Theo is an atletic trainer who works with high school football and baseball players of his clients 40% play football and the rest play baseball. Of the students who play football 30% are on the varsity team while 50% of theo's baseball clients are on the varsity team. What percent of theo's clients are on the varsity team

Answers

Answer:

42%

Step-by-step explanation:

For the Theo's clients, 40% play football. That means the 60% is playing baseball.

Of the 40% that play football, only the 30% are on the varsity team, that is:

40% * 30% = 12% of the Theo's clients are on the Varsity team of football

And of the 60% that play baseball, the 50% are in the varsity team, that is:

60% * 50% = 30% of the Theo's clients are on the varsity team of baseball.

The percent of theo's clients on the varsity team is:

12% + 30% =

42%

The circumference of a circle is 9.19cm.
Find the length of the diameter.
Give your answer rounded to 2 DP.

Answers

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 2.92

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer:

2.93

Step-by-step explanation:

So kinda like zack boy below me, you follow the equation

Circumference= diameter*π

He didn’t round the number so the correct answer here would be 2.93.

A triangle has an area of 46 square inches. If the height of the triangle is 10, what is the length of the base?

Answers

area is base x height divide by 2
if the height is 10...
9.2 should be the base
9.2 x 10 = 92
92 divide by 2 is 46

A rectangle with a length of x + 5 has a perimeter of 4x + 14.
1. Write the expression for the width of the rectangle in terms of x.
2. Suppose the perimeter of the rectangle is 42 inches. What are the length and
width of the rectangle?
3. Write the expression for the area of the rectangle in terms of x.
4. What is the area of the rectangle when x = 7?
Show how t get the answer

Answers

Answer:

1. Width = x + 2

2. Length = 12; width = 9

3. x² + 7x + 10

4. 108

Step-by-step explanation:

perimeter = 4x + 14

length = x + 5

1. Perimeter of a rectangle = 2(length + width)

4x + 14 = 2{(x + 5) + width}

4x + 14 = 2x + 10 + 2width

4x + 14 - 2x - 10 = 2width

2x + 4 = 2width

Width = (2x + 4)/2

Width = x + 2

2. Perimeter of a rectangle = 2(length + width)

42 = 2{(x + 5) + (x + 2)}

42 = 2x + 10 + 2x + 4

42 = 4x + 14

42 - 14 = 4x

28 = 4x

x = 28/4

x = 7

length = x + 5

= 7 + 5

= 12

Width = x + 2

= 7 + 2

= 9

3. Area of the rectangle = length × width

= (x + 5)(x + 2)

= x² + 2x + 5x + 10

= x² + 7x + 10

4. Area of the rectangle = x² + 7x + 10

When x = 7

x² + 7x + 10

= 7² + 7(7) + 10

= 49 + 49 + 10

= 108

A set of numbers which are related to each other in a specific way are said to follow a _____.
is called what

Answers

Answer:

"sequence"

Step-by-step explanation:

That'd be a "sequence."

The commonest sequences are 1) arithmetic and 2) geometric.

Answer:

pattern

Step-by-step explana

usatest prep

pls help 10 points !! :))

Answers

Answer:

The second one

Step-by-step explanation:

At the local store, the cost of 1 pair of jeans is $24 and the cost of 3 pairs is $24 × 3 = $72. At the online store, the cost of 2 pairs of jeans is ($22 × 2) + $6 = $50 and the cost of 3 pairs is ($22 × 3) + $6 = $72.

Answers

Complete question :

Complete the tables to relate the numbers of pairs of jeans to the cost of the jeans at each store. Assume that Tim is placing a single order, and

ignore any taxes.

Answer:

$24, $72

$50

Step-by-step explanation:

From the table :

At local store :

2 pair of jeans cost $48

Cost of a pair :

Cost of 2 pairs / number of pairs

$48 / 2 = $24

Cost of 3 pairs :

Cost per pair * number of pairs :

$24 * 3 = $72

At online store :

Cost of Jean include a fixed fee of $6

Cost of one pair of Jean = $28

Actual cost of Jean :

$28 - $6 = $22

Hence, cost of 2 pair of jeans:

($22*2) + $6

$44 + $6 = $50

A compass has a diameter of 22 cm. Which of the following is the area of the compass rounded to the nearest tenth

Answers

Answer:

380cm

Step-by-step explanation:

Answer:

]]][

Step-by-step explanation:

Please help me with this

Answers

Answer:

Find the side lengths of a triangle

Step-by-step explanation:

c. find the side lengths of a right triangle, hope this helps <3

-77w - 49 in expanded form

Answers

Answer:

-11w x 7w - 7 x 7

Step-by-step explanation:

3x2,500




OOOOOOOOOOOOFFFF

Answers

Answer:

7500

Step-by-step explanation:

Answer:

3 x 2,500 = 7500

Step-by-step explanation:

calculate the mean of 7,0,11,10

Answers

Answer:

7

Step-by-step explanation:

7+0+11+10=28

28/4=7

Answer: 7

7+0+11+10=28/4=7


A bag contains 4 red marbles, 2 blue marbles, and 1 green marble. What is the probability of not picking a red
marble?

Answers

Answer:

3/7

Step-by-step explanation:

pleaseeee answer asappppp

Answers

The answer is 6 step by step

A family buys 6 airline tickets online. The family buys travel insurance that costs
total cost is $1,014. Let x represent the price of one ticket. Write an equation for t
find the price of one ticket.

Answers

Answer:

6x + 102 = 1,140

Step-by-step explanation:

We're looking for the sum. The insurance cost 17 dollars per ticket, and there are 6 tickets, so we have to multiply. 17 times 6 is 102. Next, we subtract 102 from both sides. 6x = 1,038. Then, divide by 6. x = 173. So, one ticket costs 173. I don't know if the insurance is included, but if it is, then add 17 and you get 190.

A caterer is preparing a dinner for a party. Shecharges an initial fee of $16 and $8.25 per person. How manypeople can attend a dinner that costs $131. 50? Write an equationand solve.

Answers

Answer:

The nomber of people can attend a dinner that costs $131. 50 is 14.

Step-by-step explanation:

With the information provided, it can be said that the total cost of a dinner would be equal to the initial fee plus the result of multiplying the price per person for the number of people, which can be expressed as:

c=16+8.25x, where:

c is the total cost of he dinner

x is the number of people

Now, you can replace c with 131.50 that is the cost of a dinner and solve for x to find the number of people that can attend:

131.50=16+8.25x

131.50-16=8.25x

115.50=8.25x

x=115.50/8.25

x=14

According to this, the answer is that the nomber of people can attend a dinner that costs $131.50 is 14.

2/3x^2+15=23

help please

Answers

Answer:

x= 4.2

Step-by-step explanation:

2/3x^2=23-15

2/3x^2=8

Sq. root both sides

2/3x = 2.8

multiply both sides by 3

2x= 8.4

divide both sides by 2

x= 4.2

multiply out and simplify (x+5)(x-1)

Answers

Answer:

x^2+4-5

Step-by-step explanation:

the first box multiply the next box

x^2-1x+5x-5

x^2+4x-5

Hi! Let's get solving. :D

Okay.. This is a double bracket, so use the '' Waves '' method to expand the bracket. I don't mean to be lazy, but it's kinda hard to explain the working here, so here's a brilliant video that explains this method:

https://youtu.be/Dvo1Q-yBBhk

(Cognito is a brilliant source for KS3, KS4 revision!)

Answer:

X^2+4−5

Stay safe! :)

Note: I'm not a maths expert, please double check your answer.

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