area of a triangle two sides of which are 18 cm and 12 cm

and the perimeter is 44 cm.​

Answers

Answer 1

Answer:

≈ 83.9 cm²

Step-by-step explanation:

Given:

P = a+b+c = 44 cma = 18 cmb = 12 cm

Then:

c= P -(a+b) = 44 -(18+12) = 14 cm

Area of  the triangle is found by using Herons formula:

A = √s(s-a)(s-b)(s-c),

where s = P/2 = 44/2 = 22 cm

A = √22(22-18)(22-12)(22-14) = √22*4*10*8= √7040 ≈ 83.9 cm²
Answer 2

Answer:

[tex]\huge \boxed{\mathrm{83.9 \ cm^2}}[/tex]

Step-by-step explanation:

Two sides of the triangle are given.

The perimeter is given.

We need to solve for the third side.

[tex]P=a+b+c[/tex]

[tex]P= \sf perimeter[/tex]

[tex]a,b,c= \sf side \ lengths[/tex]

[tex]44=18+12+c[/tex]

[tex]c=14[/tex]

The measure of the third side is 14 cm.

When three sides of the triangle are given, we can solve for the area using Heron’s formula.

[tex]A=\sqrt{s(s-a)(s-b)(s-c)}[/tex]

[tex]s=\sf semi \ perimeter[/tex]

[tex]\displaystyle s=\frac{P}{2} =\frac{44}{2} =22[/tex]

Plugging in the values and evaluating.

[tex]A=\sqrt{22(22-18)(22-12)(22-14)}[/tex]

[tex]A = 83.904708...[/tex]

The area of the triangle is approximately 83.9 cm².


Related Questions

The ratio of the number of boys to the number of girls on the swim team is 4:2. If there are 24 athletes on the swim team, how many boys than girls are there?

Answers

Answer:

We have 8 more boys than girls on the swim team.

Step-by-step explanation:

The ratio of boys to girls on a swim team is represented as:

4 : 2

Total number of athletes is given as 24

Total ratio is given as:

4 + 2 = 6

Step 1

We find the number of boys and girls

Number of boys = 4/6 × 24 = 16 boys.

Number of girls = 2/6 × 24 = 8 girls.

Therefore, since we have 16 boys and 8 girls on the swim team, we have 8 more boys than girls on the swim team.

Melinda worked 6.5 hours at her job. She makes $9.50 per hour. How much money did she earn for the day ?

Answers

Answer:

$61.75

Step-by-step explanation:

Hello,

If Melinda earns $9.50 per hour and she worked 6.5 hours, then her earnings for that day was $61.75.

This is simply the product of $9.50 * 6.5 = $61.75.

This assumption of earnings doesn't include tax reductions, unless her hourly pay includes those.

Cheers.

Kermit's favorite iced tea is made with 151515 tea bags in every 222 liters of water. Peggy made a 121212-liter batch of iced tea with 909090 tea bags. What will Kermit think of Peggy's iced tea?

Answers

Answer:

c its right on khan

Step-by-step explanation:

ab-0.5bab−0.5ba, b, minus, 0, point, 5, b when a=1a=1a, equals, 1 and b=5b=5b, equals, 5.

Answers

Answer:

2.5

Step-by-step explanation:

Is x = 3 a solution of the equation 3x − 5 = 4x − 9? Explain.

Answers

Answer:

no because on is equal to 3 when plugged in and the other is equal to 4 when plugged in.

Step-by-step explanation:

[tex]3(3)-5=4\\4(3)-9=3[/tex]

Name the plane that contains points A, D, and E.
B
S
point A
6
point B
(1)
О ВС
plane C
plane D
>
DE
plane ABC
plane S
plane 1

Answers

Answer:

Plane T

Step-by-step explanation:

The given points A, D, and E are shown as being on the plane T as follows

Point a lays on the boundary of the boundary between plane S and plane T

Points D and E are points on a line DE that is on the plane T

Therefore, given that the line DE and the point A all lay on the same plane T, the plane that contains points A, D, and E, is plane T.

Answer:

leave me a,ine

Step-by-step explanation:

17 points! please help thanks :)

Answers

The first step here is to arrange the data set's form least to greatest,

Sherelle:  26, 39, 56, 58, 60, 62, 65, 66, 66, 68, 71, 72, 72, 73, 74, 75, 81, 83, 84, 85

Venita:  44, 45, 51, 51, 53, 53, 55, 57, 58, 62, 65, 66, 69, 69, 70, 73, 75, 77, 78, 79

Now we can determine our 5 - number summary based on the numbers respective positions.

First Data Set,

(Five - Number Summary) - Minimum : 26, Quartile 1 : 60, Median : 69.5, Quartile 3 : 75, Maximum : 85

Second Data Set,

(Five - Number Summary) - Minimum : 44, Quartile 1 : 53, Median : 63.5, Quartile 3 : 73, Maximum : 79

Is 44 a perfect square or a non-perfect square?

Answers

Answer:

A non perfect square

Step-by-step explanation:

The square root of 44 is around 6.633.

Rate me the brainliest if you found this helpful :)

Answer:

non perfect square

Step-by-step explanation:


It’s zoom help me please god

Answers

Answer:

Yes it is a very nice app

Answer:

third choice

Step-by-step explanation:

In a function, each value of x can only appear once.

Look in the x column. Each value of x is different, so each value of x only appears once. This is a function.

Answer: third choice

Compare and contrast natural numbers and rational numbers.

Answers

Natural numbers are strictly only plain numbers like no percents or integers, such as 1, 2, 3, 4, 5, 6 etc. Natural numbers are whole numbers and positive, so 0 would not be considered natural since it is not positive or negative

Rational numbers are numbers like 1, -100, .33, -10000, 2.4, etc it can be ALMOST anything, rational numbers fit every category but one IRRATIONAL

Irrational numbers are numbers like pie (3.145.......) it goes on forever and ever if the number never stops and repeats its called a repeating decimal, (HUGE TIP, IF YOU CAN MAKE IT A FRACTION IS IS ALMOST ALWAYS RATIONAL)

Two kids at a summer camp, Tina and Winston, are competing in a potato sack race. Tina is younger, so she is given a head start of 33 meters. When the race starts, Tina hops at a rate of 1 meter per second, and Winston hops 4 meters per second. Eventually, Winston will overtake Tina. How long will that take? How far will Winston have to hop? It will take ___ seconds for Winston to hop ___ meters and catch up to Tina.

Answers

Answer:

It will take Winston 11 seconds to hop 44 meters and catch up to Tina

Step-by-step explanation:

Set up an equation where x represents the number of seconds:

Tina will be represented by s + 33 since she goes 1 m/sec and she has a 33 meter head start, and Winston will be 4s. We need to find when Winston will catch up, so we need an equal sign.

s + 33 = 4s

Solve for s:

s + 33 = 4s

33 = 3s

11 = s

= 11 seconds

Then, plug in 11 as s to find how many meters he will go:

s + 33

11 + 33 = 44

= 44 meters

Pls help. Will mark brainliest

Answers

Answer:

see below (I hope this helps!)

Step-by-step explanation:

p² = 4x² * (q(1 + r² / y²) / S)

p²S = 4x² * q(1 + r² / y²)

p²S / 4x²q = 1 + (r² / y²)

p²S / 4x²q - 1 = r² / y²

y² = r² / (p²S / 4x²q - 1)

y = √( r² / (p²S / 4x²q - 1) = √(r²4x²q / (p²S - 4x²q))

A homeowner's backyard is a rectangle with width 18 yards long and length 16 yards long. They plan to put in a square pool with side length 5 yards long in the backyard and then want to put tile in the rest of the entire backyard. How much tile do they need to buy?

Answers

Answer:

Step-by-step explanation:

Given the dimension of the  homeowner's backyard to be width 18 yards long and length 16 yards long, the area of the rectangular backyard id expreesed as;

Area of rectangle = Length * Width

Area of the rectangular backyard = 18yards * 16yards

Area of the rectangular backyard = 288yards²

If they plan to put in a square pool with side length 5 yards long in the backyard, the area of the pool = 5yd*5yd = 25yd²

The remaining area that will contain the tiles = Area of the rectangular backyard -  area of the pool

The remaining area that will contain the tiles = 288yd² - 25yd² = 263yd²

Note that we cannot determine the amount of tiles they need to buy since we are not given the dimension of each tile to use. The area needed for the tiles for the rest of the backyard is therefore 263yd².

Amount of tiles needed to buy can be expressed as 263/dimension of a tile.

Maria's family has a maple tree and a pine tree in their front yard. The maple tree is 6
feet shorter than the pine tree. The maple tree is 36 feet tall. How tall is the pine tree?

Answers

Answer:

Pine tree is 42 feet tall

Step-by-step explanation:

Since Maple tree is shorter than pine tree, you add 6 to 36 which is 42.

42 Feet

x to the power of 2 = 121 what is x

Answers

So the first step here is to square 121 which is 11. So therefore 11 to the power of 2 is 121. Reverse operation is key in this question or any question like this.

Answer:  x = -11, x = 11

Step-by-step explanation:

   x² = 121

 [tex]\sqrt{x^2}=\sqrt{121}[/tex]

   x = ±11

  x = -11, x = 11

Combine the like terms to create an equivalent expression. 8 r + 7 − 6 r − 5 8r+7−6r−5

Answers

Answer:

62r+9

Step-by-step explanation:

Let's simplify step-by-step.

8r+7−6r−58r+7−6r−5

=8r+7+−6r+−58r+7+−6r+−5

Combine Like Terms:

=8r+7+−6r+−58r+7+−6r+−5

=(8r+−6r+−58r+−6r)+(7+7+−5)

=−62r+9

Answer:

=−62r+9

HOPE THIS HELPS!!!!!! :)

<3333333333

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

yes. 7 times 4.3 is equal to 30 and the first equations symbol is less then or equal to. good luck and hope this helps!

Step-by-step explanation:

The points on the number line do represent additive inverses. 3 and −3 are a zero pair, and when added they equal zero. The two numbers are the same distance from zero but in opposite directions.

Answers

Answer:

true

Step-by-step explanation:

because the question is he points on the number line do represent additive inverses. 3 and −3 are a zero pair, and when added they equal zero. The two numbers are the same distance from zero but in opposite directions. then it would equal 0

Answer:

Its because one is a positive integer and the other is a negative.  So basically it is 3-3=0

Step-by-step explanation:

A computer downloads 30 megabits per second for "t" seconds. Write an
equation to represent the number of megabits, m, downloaded.

Answers

Answer:

M = 30t

Step-by-step explanation:

Given that a computer downloads 30 megabits per second for "t" seconds. That is, the rate at which the computer downloaded it is 30 megabits/second

Where time = t seconds

To Write anequation to represent the number of megabits, m, downloaded,

Rate = megabits/ time

Where

Rate = 30

Megabits = m

Time = t

Therefore, substitute all into the formula

30 = m/t

Make m the subject of formula

M = 30t

The equation is m = 30t

Vicky and Harold each want to run for president of their school's student body council.

Answers

I need more expiation.

Four times the sum of half a number and 6 is 48

Answers

Answer:

The number is 12

Step-by-step explanation:

Let the number be x

Half a number is written as 1/2x

So we have

Four times the sum of half a number and 6 is 48 is written as

[tex]4( \frac{1}{2} x + 6) = 48 \\ 2x + 24 = 48 \\ 2x = 48 - 24 \\ 2x = 24[/tex]

Divide both sides by 2

That's

[tex] \frac{2x}{2} = \frac{24}{2} [/tex]

We have the final answer as

x = 12

Hope this helps you

Linda Gramham's Cinnamon Sugar Graham Cupcake recipe for 36 cupcakes requires 1 1/4 cups of sugar. How much sugar is required for 900 cupcakes? Reduce to lowest terms.

Answers

Answer:

31.25 or 31  1/4 cups

Step-by-step explanation:

1  1/4 = 36

x = 900

=> 5/4 = 36

    x = 900

Cross multiply

=> 5/4 * 900 = 36 * x

=> 4500/4 = 36x

=> 1125 = 36x

=> 1125 / 36 = 36x / 36

=> 31.25 = x

31.25 = 31  1/4

So, 31.25 or 31 1/4 cups are required for 900 cupcakes.

[tex]\frac{125}{4}=31\frac{1}{4}[/tex] cups of  sugar is required for 900 cupcakes.

First, it is convenient to convert the mixed fraction corresponding to the time to improper. To do this, the integer is multiplied by the denominator, to which the numerator is added. Divide this result by the denominator. The denominator of the improper fraction will be the same as the mixed number had. In summary:

[tex]a\frac{b}{c}=\frac{c*a+b}{c}[/tex]

In this case:

[tex]1\frac{1}{4}=\frac{4*1+1}{4}[/tex]

Solving:

[tex]1\frac{1}{4}=\frac{4+1}{4}[/tex]

[tex]1\frac{1}{4}=\frac{5}{4}[/tex]

On the other side, the rule of three is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them.  

If the relationship between the magnitudes is direct, that is, when one magnitude increases, so does the other (or when one magnitude decreases, so does the other) , the direct rule of three must be applied.

To solve a direct rule of three, the following formula must be followed, where a, b and c are known and x is the value to be calculated:

a ⇒ b

c ⇒ x

So:

[tex]x=\frac{cxb}{a}[/tex]

In this case, the rule of three can be applied as follows: Linda Gramham's Cinnamon Sugar Graham Cupcake recipe for 36 cupcakes requires [tex]1\frac{1}{4}=\frac{5}{4}[/tex] cups of sugar.  If 900 cupcakes are made, how much sugar is required?

36 cupcakes ⇒ [tex]\frac{5}{4}[/tex] cups of sugar

900 cupcakes ⇒ x

Then:

x= (900 cupcakes× [tex]\frac{5}{4}[/tex] cups of sugar)÷ 36 cupcakes

Solving:

x= [tex]\frac{125}{4}[/tex] cups of sugar

In summary,[tex]\frac{125}{4}=31\frac{1}{4}[/tex] cups of  sugar is required for 900 cupcakes.

Learn more whit this similar problem:

https://brainly.com/question/23272271?referrer=searchResults

Jesse estimates that it will cost $300,000 to send his newborn son to a private college in 18 years. He currently has $65,000 to deposit in an account. What simple interest rate would he need so that $65,000 grows into $300,000 in 18 years

Answers

Answer:

Simple interest rate (R) = 20% (Approx)

Step-by-step explanation:

Given:

Final amount (A) = $300,000

Number of year (T) = 18

Amount deposit (P) = $65,000

Find:

Simple interest rate

Computation:

interest = Final amount (A) - Amount deposit (P)

interest = $300,000 - $65,000

interest = $235,000

interest = [PRT] / 100

235000 = [(65,000)(R)(18)] / 100

Simple interest rate (R) = 20.085

Simple interest rate (R) = 20% (Approx)

A job market expert said, “If this trend continues, we will see further increase in employees.” Which of the following graphs could represent the expert’s statement? a. A line graph showing years on the x-axis and all employees, thousands on the y-axis. Line starts at 6,570 on January 2000, increases to 6,800 on January 2001, decreases to 6,650 on March 2003, increases steadily to 7,300 on March 2006, stays at 7,300 on January 2007, then decreases steadily to 6,150 on August 2009. b. A line graph showing years on the x-axis and all employees, thousands on the y-axis. Line starts at 15,000 on January 2000 and increases steadily, to 16,300 on January 2003, 17,00 on January 2006, and 19,100 on January 2009. c. A line graph showing years on the x-axis and all employees, thousands on the y-axis. Line starts at 590 on January 2000, increases slightly to 615 on July 2001, decreases to 560 on March 2003, increases steadily to 790 on September 2008, then decreases sharply to 710 on August 2009. d. None of these

Answers

Answer:

the answer is B

Step-by-step explanation:

b

Answer:

B on edge

Step-by-step explanation:

what's -5 x -0.25? I don't know how to show the work

Answers

Answer:

1.25

Step-by-step explanation:

-5 x -.20 = 1

+

-5 x -.05 = .25

= 1.25

What is the missing exponent?

Answers

Answer:

0

Step-by-step explanation:

( 2x^2 y^m) ^6 = 64 x^12

We are interested in the y variable

The y on the right is not there so we can write it as y^0

y^m^6 = y^0

We know that a^b^c = a^(b*c)

y^(m*6) = y^0

The bases are the same so the exponents have to be the same

6m =0

m=0

The missing exponent is 0

PLEASE HELP ✨

Water flows through a pipe at a rate of 9 quarts every 3.5 years. Express this rate of
flow in cups per day. Round your answer to the nearest hundredth.

Answers

Answer:

0.01 rate per day

Step-by-step explanation:

Given that the water flow through a pipe occrs a a rate of 9quarts every 3.5 years, he rate of flow in cups per year will be expresssed as;

9quartz = 3.5years

x quartz = 1 year

cross multiply

9quarts * 1 = 3.5 years * x

9 = 3.5x

x = 9/3.5

x = 2.57142 years

Hence the rate flow of cup per year will be 2.57 years. But since the question asked us to look for the rate of flow per day, we will divivde 2.57 by 365days.

The rate of  flow in cups per day = 2.57/365 = 0.00704rate per day

≈ 0.01 rate per day to the nearest hundredth

An absolute value inequality is

Answers

Answer:

an inequality that has an absolute value sign with a variable inside.

Step-by-step explanation:

e. Is the a discrete random variable, a continuous random variable, or not a random variable? height of a randomly selected giraffe A. It is a discrete random variable. B. It is a continuous random variable. C. It is not a random variable.

Answers

Answer:

The correct answer is:

It is a continuous random variable (B)

Step-by-step explanation:

Continuous Random Variables are variables that take on a number of possibilities of values that cannot be counted. The values have infinite possibilities. In this example, the height of a Giraffe measured in meters can be an unlimited possibility if values say, 10.5m, 15.22m 12.0m etc. The possibilities are endless.

Discrete Random variables are variables that take on a number of possibility of occurrences that can be counted. For instance, if a dice is rolled, the possibilities can either be a 1, 2, 3, 4, 5 or 6. There are six values that can be gotten, nothing in-between.

I think the answer is B.

Please check to make sure.

A shoe factory produced 900 shoes on
Monday. The factory produced 20% more
shoes on Tuesday. How many shoes did
the factory produce on Tuesday?

Answers

Answer:

1,080 shoes

Step-by-step explanation:

Monday production= 900 shoes

Tuesday production=20% more shoes

That is,

20% more of 900

20/100 × 900

=0.2 × 900

=180 shoes

Total production on Tuesday=900 shoes + 180 shoes

=1,080 shows

Other Questions
19x+rx= -37x+w what is the x How does photosynthesis impact the carbon cycle and plants? Se cocina una pizza de 20 cm de radio, en su interior se coloca al azar 12 piezas de salamicircular de 1 cm de radio y en al rea restante se pondr queso.Qu rea se tiene para el queso? (Expresar el resultado en trminos de 7) Explain how the following sentence captures the central idea of the book: John Wilkes Booth did not get what he wanted. Yes, he did kill Abraham Lincoln, but in every other way, Booth was a failure. Which geographic region is located in northeastern Georgia Where can you find important due dates for computer graded and teacher graded assignments? What are the best titles a and b A science b pseudoscience Martina is concerned about her introductory speech for the guest speaker at her banquet. What should Martina keep in mind as she prepares her introductory speech A new car is beyond my means at present. ( Use : afford ) How could Gracie improve her thesis statement? Select one: a. Add a personal backstory about snow b. Nothing, it is perfect the way it is c. Rearrange the types of snow so they match the order theyre discussed in the essay d. Remove the comments about snow sculptures as these are unneeded Which refers to the rate of change in velocity? speed acceleration direction magnitude I need this answer i cant figure it out!! What is the length of CD to the nearest 10th? Which undefined terms are needed to define a line segment? why is studing the geography of texas important? 9. A bank pays interest of 11% on $6000 in a deposit accountAfter how many years will the money have trebled? The yearly attendance at a local movie theater is 82,000 and grows continuously at a rate of 5.1% each year. What is the approximate attendance at the movie theater in ten years? (3 points) a 136,554 b 85,552 c 134,847 d 123,820 Jacques is standing 1200 meters from acliff he is planning to climb. The angle ofelevation from the ground to the top of thecliff is 35. To the nearest meter, how tall isthe cliff? This country is the largest peninsula in the Middle East. I know that a peninsula is a piece of land that juts out and is almost completely surrounded by water. Carbon dioxide enters an adiabatic compressor at 100 kPa and 300 K at a rate of 1.8 kg/s and exits at 600 kPa and 450 K. Neglecting the kinetic energy changes, Determine: (a) The isentropic efficiency of the compressor. Which phase of DevSecOps emphasizes reliability, performance, and scaling