find the percentage increase in area of a triangle if its each side is doubled​

Answers

Answer 1

First of all, to find the area of a triangle you multiply the base * height and divide the result by two (2).

Let's use a triangle which sides are all 2 inches. To find the area, you do 2*2/2  which equals 2.

Now, double each side and each side of the triangle is now 4.

We do 4*4/2 which now equals 8.

The percentage increase from 2 --> 8 is 600%.

The percentage of the old area to the new area is 800%

ANSWER: 600%


Related Questions

solve pls brainliest

Answers

I believe the answer is 21/32

sioban scores 4 out of 10 marks in a science test

what is her score as a percentage

Answers

Answer:

40%

Step-by-step explanation:

4/10 = 40/100 = 40%

If you need further explanation, let me know!

- profparis

name a pair of angles that are a linear pair.​

Answers

Answer:

D: PUR and SUR

Step-by-step explanation:

A linear par is made of two angle's whoes measure add to 180, or it forms a line. PUR and SUR form a line so therefore they are a linear pair.

The answer is D) <PUR and <SUR

A linear pair is when a pair of angles add up to 180 degrees. The angles must share 2 points and should be next to each other. They are adjacent angles  formed by two intersecting lines.

1. 4x + 5
2.8x - 3
3. 1/2x - 4
4. 0.5x +3.5

Answers

4x + 5: m = 4

8x - 3: m = 8

1/2x - 4 = x/2 = -4

0.5x + 3.5: m = 0.5

Which of the following numbers is between 0.62 and 1.05?
01.01
O 0.065
O 1.1
0.6

Answers

Answer:

a

Step-by-step explanation:

b is in the thousandths place, c is over 1.05, and d is no were near in between them

Answer:

1.01

Step-by-step explanation:

0.62 is equivalent to 62/100

0.6 is equal to 60/100, so 0.6 is not the answer.

0.065 is equal to 65/1000

0.6 is equal to 60/100, or 600/1000, so 0.065 is not the answer.

1.1 is equal to 1 and 10/100, while 1.05 is equal to 1 and 5/100, so 1.1 is not the answer.

Therefore, using the process of elimination, 1.01 is the answer.

Rational Expressions Multiplying I need to know how to do it

Answers

Answer:

  (x -3)/4

Step-by-step explanation:

You multiply rational expressions the same way you multiply fractions. The numerator is the product of the numerators; the denominator is the product of the denominators. Same factors in numerator and denominator cancel to reduce the product to lowest terms.

  [tex]\dfrac{3(x-3)}{3}\cdot\dfrac{x-7}{4(x-7}=\dfrac{x-3}{1}\cdot\dfrac{1}{4}=\boxed{\dfrac{x-3}{4}}[/tex]

We cancelled the factors of 3 from the first expression, and the factors of (x-7) from the second expression. The final product is the product of the reduced rational expressions.

What percent of 72 is 9?

18%

114%

1212%

125%

Answers

Answer:

125%

Step-by-step explanation:

i have an answer of that

9/72 x 100%
= 12.5 %

The sides of a river are parallel. Elizabeth is located at point E, and Jacoby is located at point J. They know that they are the same distance from the ends of the bridge B1B2. Kevin is located at point K. Which of the following can be used to prove that the two triangles are congruent and that Kevin is standing at the middle of the bridge? Select all that apply.

Answers

Answer: ASA, AAS

Step-by-step explanation:

What is the total price of a $5 book with a 10% sales tax?

Answers

$5.50 or 5 dollars and 50 cents

A banker earns a $75,000 annual salary, a 2.35% commission on any approved loans for the bank's business customers, and a fee of $3.75 for each application processed. If the banker has a total of $2.8 million in approved business loans and processes 2,750 applications this year, what are the banker's earnings rounded to the nearest dollar?

Answers

Answer:

$15,1113

Step-by-step explanation:

Given that the banker base annual salary  $75,000

1. a 2.35% commission on $2.8 million is

=(2.35/100)*2,800,000

=0.0235*2,800,000

=$65800

2.  a fee of $3.75 for each 2,750 applications processed

     =3.75*2,750

     =$10312.5

the banker's earning is $75,000+$65800+$10312.5

=$151112.5

to the nearest dollar

=$15,1113

4. The value of y is directly proportional to the value of x. If y = 45 when x = 180, what is the value of y when x = 80?​

Answers

Given:

The value of y is directly proportional to the value of x.

y = 45 when x = 180.

To find:

The value of y when x = 80.

Solution:

Since the value of y is directly proportional to the value of x, therefore

[tex]y\propto x[/tex]

[tex]y=kx[/tex]      ...(i)

where, k is constant of proportionality.

Putting y=45 and x=180, we get

[tex](45)=k(180)[/tex]

[tex]\dfrac{45}{180}=k[/tex]

[tex]k=\dfrac{1}{4}[/tex]

Substituting [tex]k=\dfrac{1}{4}[/tex] in (i), we get

[tex]y=\dfrac{1}{4}x[/tex]

Put x=80 in this equation.

[tex]y=\dfrac{1}{4}(80)[/tex]

[tex]y=20[/tex]

Therefore, the value of y is 20 when x=80.

For rhis problem you will have to simplify correctly .

Answers

Answer:

Step-by-step explanation:

Answer:

The mistake was -9, the answer is 1x -6

Step-by-step explanation:

3 (x - 6) + (4x + 12) - 6x =

3x - 18 + 4x + 12 - 6x = (use distributive property for this step)

3x + 4x - 6x - 18 + 12 = (rearrange so like terms are easy to find)

1x - 6 (use addition and subtraction to get the final answer)

I hope this helps you :)

Saira is using the formula for the area of a circle to determine the value of LaTeX: \prod∏. She is using the expression LaTeX: Ar^2A r 2where A=50.265 and r=4. Use a calculator to evaluate Saira's expression to find her approximation of the value of LaTeX: \prod∏to the nearest thousandth.

Answers

Answer:

3.164

Step-by-step explanation:

Given the area if the circle used by Sarah expressed as

A = πr²

Given

A = 50.265

r = 4

To get π, we will substitute the given values into the formula as shown

50.625 = π{4)²

50.625 = 16π

π = 50.625/16

π = 3.164

Hence her approximate value to nearest thousandth is 3.164

I need help with this question, it is for geometry ​

Answers

Answer:

x=3...

Step-by-step explanation:

Given:T is the midpoint of SU.....

To find: x

Proof: ST=TU ( T is the midpoint of SU)

         8x+11=12x-1

         11+1=12x-8x

          12=4x

           12/4=x

             x=3.

A rectangular bathroom mirror is 2 feet tall and 10 feet wide. What is its perimeter?

Answers

The perimeter is the all the side's lengths added up together

 -- so:   Perimeter = 2 + 10 + 2 + 10 = 24 feet

Hope that heped!

In the function f(3) = 9 the input is

Answers

Answer:

Your answer is 3

Step-by-step explanation:

3 x 3 = 9

Answer:

The answer is 3 like so take 9÷3=3 or 3x3=9.

Write the equation of the line in fully simplified slope-intercept form.

Answers

Answer:

y = mx +  b is slope interform but you didn't supply a problem to put into it

PLEASE ANSWER! WILL MARK BRAINLIEST!!


A student is running a 10-kilometer race. He runs 1 kilometer every 4 minutes. Select the function that describes his distance from the finish line after x minutes.

Answers

Answer:

|(x/4) - 10| or (x/4) - 10

hope this helps!!!

Answer:

Hope this help you!!

Have a good day

The area of the regular octagon is 10.15 cm2. a regular octagon has sides with lengths of 1.45 centimeters. what is the measure of the apothem, rounded to the nearest hundredth of a centimeter? 1.27 cm 1.75 cm 2.33 cm 2.54 cm

Answers

The length of the apothem of the regular octagon will be equal to 1.75 cm

What is a regular octagon?

The regular octagon is the shape made up of the 8 sides or also the combination of the 8 isosceles triangles connected together side by side.

Here it is given:

Area of the Octagon = [tex]10.15\ cm^2[/tex]

The side of the octagon=1.45 cm

As we know that the octagon consists of the 8 isosceles triangles so the area of one triangle will be

[tex]= \dfrac{10.15}{8} =1.27\ cm^2[/tex]

Now the area of the isosceles triangle is given as:

[tex]A=\dfrac{1}{2} \times h\times b[/tex]

[tex]1.27=\dfrac{1}{2} \times h\times 1.45[/tex]

[tex]h=1.75\ cm[/tex]

Thus the length of the apothem of the regular octagon will be equal to 1.75 cm

To know more about octagon follow

https://brainly.com/question/1592456

Answer:

the answer is b

Step-by-step explanation:

Write the converse of the following statement and determine its truth value.
"If a class has 3 left-handed people and 24 right-handed people, then the ratio of lefties to righties is 1:8"

Answers

Answer:

1) The convers of the conditional statement is;

If the ratio of lefties to righties is 1:8,  then a class has 3 left-handed people and 24 right-handed people

2) The convers of the conditional statement is true

Step-by-step explanation:

1) The given statement is presented as follows;

"If a class has 3 left-handed people and 24 right-handed people, then the ratio of lefties to righties is 1:8"

The hypothesis = A class has 3 left-handed people and 24 right-handed people = p

The conclusion = The ratio of lefties to righties is 1:8 = q

We have;

If p, then q which is p → q

The converse statement = If q, then p which is q → p

Then the converse of the conditional statement can be written as follows;

If the ratio of lefties to righties is 1:8,  then a class has 3 left-handed people and 24 right-handed people

2) Given that the ratio of 3:24 = 1:8, we have that both the hypothesis and the conclusion are true, therefore, the converse of the conditional statement is true.

help, please see picture, and explain: no decimals please,​

Answers

[tex] - \sqrt{72} = - \sqrt{2 {}^{3} \times 3 {}^{2} } = - 2 \times 3 \sqrt{2} = - 6 \sqrt{2} [/tex]

[tex] - 4 \sqrt{8} = - 4 \sqrt{2 {}^{3} } = - 4 \times 2 \sqrt{2} = - 8 \sqrt{2} [/tex]

[tex] - \sqrt{72} - 4 \sqrt{8} = - 6 \sqrt{2} - 8 \sqrt{2} = - 14 \sqrt{2} [/tex]

coffe beans are packaged in 50 kg cartons with an allowable error of 0.7 percent what is the acceptable weight range for a carton of coffee beans?​

Answers

Answer:

0.35

Step-by-step explanation:

you mutiply 50 times 0.7%

Answer:

It is 50.35 kg

Step-by-step explanation:

50 x 0.007 = 0.35 (I used 0.007 because you still have to move the decimal point two places even if it is already a decimal)

0.35 + 50 = 50.35 kg

I hope my answer helps :)

PLZ HELP!!!

A bag has 10 marbles-3 red, t blue, and 2 violet. One marble is drawn and then replaced, and this action is repeated 10 times. The results are recorded in the table.

Which of the given statements is true?

A.) The experimental probability of drawing blue is 1/2
B.) The experimental probability of drawing red is 1
C.) The experimental probability of drawing red is 1/10
D.) The experimental probability of drawing violet is 0​

Answers

A because there are more blue than red and violet.

The experimental probability of drawing blue is 1/2. Then, option A is correct.

What is probability?

Probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

Probability = Number of favourable outcomes / Number of sample

It is given that a bag has 10 marbles-3 red, t blue, and 2 violets. The blue marbles will be 5. One marble is drawn and then replaced, and this action is repeated 10 times.

The probability is calculated as:-

P = 5 / 10 = 1 / 2

To know more about probability follow

https://brainly.com/question/24756209

#SPJ2

PLEASE PLEASE HELP


Given <triangle> ABC is congruent to <triangle> XYZ, and m< A is 50°, m<Z is 40°, what is the m<B

90°
80°
70°
60°​

Answers

Answer:

A triangle measures 180° , so you do 50°+40° =90° then you do 180°- 90° = 90° , Therefore your answer is A. Hope this helps bye:)

Answer:

90

180-40-50=90

the triangle have 180 angle so 180 minus with 40 and 50 and you will get the m<B angle

Find the area of the polygon
pls help

Answers

area: 36 units²

area of parallelogram = base * height

[tex]\hookrightarrow \sf 9 \ * \ 4[/tex]

[tex]\hookrightarrow \sf 36 \ units^2[/tex]

Base=9Height=4

Area:-

Base×Height9(4)36units^2

Write an expression the represents the statement "Add 9 and 3, then multiply by 6"
Asap answer please

Answers

Answer:

(9+3)*6

Step-by-step explanation:

Remember the order of operation: (PEMDAS)

Problem: (9+3)*6

Step 1 add 9+3 =12

Step 2 multiply 12*6

Step 3 your answer to solving the problem 72

ILL GIVE BRAINIEST TO WHOEVER IS CORRECT!! PLEASE HELP ASAP!! WITH WORK PLEASE!!!

Answers

Answer:

d= approx 10.2956

Step-by-step explanation:

d=sqrt of (7+2)^2 + (8-3)^2

d=sqrt of [81+25]

d=sqrt of 106

d = approx. 10.2956

Anyone know how to do this?

Answers

9514 1404 393

Answer:

  ∠2 = 45°

Step-by-step explanation:

Angles 1 and 2 are same-side interior angles where the transversal crosses parallel lines. That means they are supplementary angles.

  ∠1 +∠2 = 180° . . . . . supplementary angles total 180°

  135° +∠2 = 180° . . . . substitute the given value

  ∠2 = 180° -135° . . . .  subtract 135°

  ∠2 = 45°

A scientist who studies sleep has developed a new technique to help people sleep each night. He
is conducting a study of 100 people and wants to determine if there is a significant difference in
people's amount of sleep before using the technique compared to after using the technique.
Which of the following describes the scientist's null and alternative hypotheses?
O null hypothesis: Hp = 0; alternative hypothesis: 4p=0
Onull hypothesis: 4y= 0; alternative hypothesis: 4p = 0
O null hypothesis: 44- = 0; alternative hypothesis: 4-430
O null hypothesis: 4-4370; alternative hypothesis: 4-12 = 0

Answers

Considering the situation described, the scientist's null and alternative hypothesis are described by:

Null hypothesis [tex]H_0: \mu = 0[/tex]; Alternative hypothesis [tex]H_1: \mu \neq 0[/tex].

What are the hypothesis tested?

At the null hypothesis, it is tested if there is no difference, that is, the difference of the means represented by [tex]\mu[/tex] is of 0, hence:

[tex]H_0: \mu = 0[/tex]

At the alternative hypothesis, it is tested if there is a difference, hence:

[tex]H_1: \mu \neq 0[/tex]

More can be learned about an hypothesis test at https://brainly.com/question/26454209

Help help help help help help please

Answers

Answer:

1.   21z² - 35nz + 56n²

2.   18y + 8

3.   12z³ - 24z² + 28z

4.   56c³ + 14c²g + 21cg²

5.   21p⁵ + 42p⁴- 63p³

6.   35g⁴ + 14g³ + 21g²

7.   54c² - 27cz

8.   24n² + 15n + 18

9.   40k⁴ + 16k³p + 24k²p²

10.   45z⁵ - 36z⁴h - 63z³h²

Plz mark brainliest :)

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