is a triangle with the lengths 12, 9, 15 a right triangle

Answers

Answer 1
Know idea I’m not good at math
Answer 2
Answer:Yes, It's a right angled triangle.

because,

according to Pythagoras theorem...

(12)²+(9)² = (15)².


Related Questions

Which is an advantage of purchasing and owning a home?

Answers

Answer:

You don't have to pay rent every month

Step-by-step explanation:

The advantage of purchasing and owning a home are:

- Building equity,

- Stability

- Investment

- Pride of ownership

- Tax benefits

What is home?

A home is a place where a person or a family lives, typically a house or an apartment.

It is a place of residence and refuge, where individuals or families can feel secure and comfortable.

We have,

There are several advantages of purchasing and owning a home, including:

Building equity: When you make mortgage payments, you are building equity in your home. This means that over time, you own more and more of your home and may be able to use the equity to your advantage.

Stability: Owning a home provides a stable living situation since you are not subject to rent increases or the possibility of eviction.

Investment: A home can be a good long-term investment as it generally appreciates in value over time. This means that if you sell your home in the future, you may be able to sell it for more than you paid for it.

Pride of ownership: Owning a home can give you a sense of pride and accomplishment, and you have the freedom to make changes and improvements to the property as you see fit.

Tax benefits: Homeowners may be able to deduct mortgage interest and property taxes on their income tax returns, which can result in significant savings.

Thus,

Several advantages of purchasing and owning a home are given above.

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PLS HELP!!

For the function f(x)=x+9. Find (f x f^-1)(5)

Answers

Answer:

I hope this helps you

Step-by-step explanation:

y=x+9

x=y-9 f^-1 (x)= x-9

x=5 f^-1 (5)=5-9 = -4

f (f^-1))=f (-4)=?

x= -4

f (-4)=-4+9

f (-4)= 5

How to solve this geometry?
Step by step solution please.

Answers

This is a relatively complex problem and it took me a good 20 minutes to solve, I included a sketch I made myself while im solving this problem hope it helps with the explanation. (the dotted lines are my drawings, also I labeled the points just look at my graph)

Now to find <x, we can use the exterior angles theorem a couple of times.

<x=<p+<AGE

<x=30 degrees + <AGE

Now use the theorem again to find <AGE

<AGE=<q+<BIG

Now use substitution for <q and for <AGE

<x=30 degrees+60 degrees+ <BIG

We put this to the side for now and try solve for <CHD which is not very difficult

<CHD=180-45-20=115

We can also clearly figure out <HFI using vertical angles theorem.

<HFI=<Y

Because they all form a triangle we can conclude that <y+<BIG=180 degrees-<FHI= 180-115=65 degrees

substitution again

<x+<y=30+60+<BIG+<HFI (remember <HFI = <y vertical angles theorem)

<x+<y=30+60+65 (remember how we did before these 2 angles adds up to 65?)

<x+<y=155 degrees

Now please don't hate me on this, I'm sure there is more efficient ways to explain this problem, this is just my way from trial and error.

Tip for next time you are stuck on a geometry problem, don't be afraid to draw the graph again on paper and add lines to it!

You won't get everything perfect the first time you try but the more you practice the more comfortable you are with these problems, Hope my explanation helped!

**Just a note would you mind telling me where you got this problem form, its pretty challenging :)

Pls Helpp!!! "Olivier has $48.25 to spend on painting classes. Each class costs $6 plus a one-time registration fee of $6.25. Let the variable n represent the number of classes. How many classes can Olivier purchase? Write an equation and show your work."

Answers

Answer:

48.25 - 6.25 -6n, 7 classes

Step-by-step explanation:

mark brainlest

Answer:

The equation: 6n+6.25 = 48.25

Step-by-step explanation:

i searched up the answer here u go

Find the slope of the line that passes through (4,-2) and (2,4) please

Answers

The slope would be -3

Answer: -3

Step-by-step explanation:

To find the slope of a line we need two coordinates on the line. Any two coordinates will suffice. We are basically measuring the amount of change of the y-coordinate, often known as the rise, divided by the change of the x-coordinate, known the the run. The calculations in finding the slope are simple and involves nothing more than basic subtraction and division.

SIMPLE 7TH GRADE MATH, GIVING BRAINLIEST.

Answers

Answer:

97

Step-by-step explanation:

Answer:

D. 97

Step-by-step explanation:

Please give me brainliest or a thank you! I’ll explain my answer if I need it :)

ARVB has been reflected as shown in the diagram. What is the length of 7B
?
AN
R
A. 6
B. 15
C. 5
D. 4

Answers

The calculated length of V'B' in the reflection of triangles is (c) 5

How to determine the length of V'B'

From the question, we have the following parameters that can be used in our computation:

The triangle and the image

Also, we know that the triangles are reflected

The reflection transformation is a rigid transformation

This means that

V'B' = VB

From the figures, we have

VB = 5

So, we have

V'B' = 5

Hence, the length of V'B' is (c) 5

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Question

RVB has been reflected as shown in the diagram. What is the length of V'B'

Someone plz help me ik the answer is 10 but how did u do it show ur work plz

Answers

Answer: 10

Step-by-step explanation:

16 x 5/8

reduce the numbers to 2 x 5

cross out 16 and 8 and you have 5 left, 16 divided by 8 = 2

2 x 5 = 10

hope this makes sense and helps you :)

What number, or factor, can both 14 and 35 be divided by?

Answers

The GCF of 14 and 35 is 7.

Answer:

2/5

Step-by-step explanation:

The rectangle shown has a perimeter of 156 cm and the given area. Its length is 6 more than five times its width.
Write and solve a system of equations to find the dimensions of the rectangle.

Answers

P=156 cm
l=6+5w
P=2(l+w)
156=2(6+5w+w)
156=2(6+6w)
156=12+12w
12+12w=156
12w=156-12
12w=144
w=12cm

l=6+5•12
l=6+60
l=66cm

what would the right awnser be ?​

Answers

Answer:

x = 3√2 , y = 6

Step-by-step explanation:

In given triangle,

3√2 = x

and y is hypotenuse.

Using Pythagoras theorem

hypotenuse = √Perpendicular² + Base²

hypotenuse = √(3√2)² + (3√2)²

hypotenuse = √18 + 18

hypotenuse = √36

hypotenuse = 6

So,

x = 3√2 , y = 6

Answer:

I think the second one maybe

Step-by-step explanation:

Can someone plz help me with this one problem plzzzzz

(I’M MARKING BRAINLIEST)

Answers

1: 23
2: 46
3:69
6: 138
23s+75=c
S c
1(23)+75=98
2(23)+75=121
3(23)+75=144
6(23)+75=213
Hope this helps

Two hikers started at the same location. One
traveled 2 miles east and then 1 mile north. The
other traveled 1 mile west and then 3 miles south.
At the end of their hikes, how many miles apart are
the two hikers? [The use of the accompanying grid
is optional.]

Answers

:

[tex]hola \\ \[/tex]

hola

In an ice cream shop there is some money in a drawer. After 6 ice creams were sold, there were 70 euros left in the drawer. After a total of 16 ice creams were sold, there were 120 euros left in the drawer. How many euros were there in the drawer at the start?

Answers

Answer: There were 40 euros in the drawer at the beginning.

Step-by-step explanation:

When we subtract 6 from 16, we get 10 more ice-creams were sold.

Similarly, we subtract 70 from 120, we get 50 euros was the total selling price of 10 ice-creams.

i.e. Selling price of 1 ice-cream = (50)÷10 =5 euros

Selling price of 6 ice-creams = 6 x 5 = 30 euros

Money in the drawer at the beginning = 70-30 = 40 euros

Hence, there were 40 euros in the drawer at the beginning.

Charlotte recorded the number of minutes she spent exercising in the past ten days: 9, 9, 6, 2, 9, 1, 11, 3, 5, 7. Find the median of the data.

The median is _____ minutes.

Answers

6.5 it’s in between 6 and 7

Travis plays a trivia game. He earns 2 points for each correct answer and loose 0.5 points for each incorrect answer. He get 13 correct answer. He gets 13 correct answer and 2 incorrect answer

Answers

Answer:

If you are asking for how many points he has now that would be 25 points

Step-by-step explanation:

Because he earns 2 points for each correct we can do 13x2=26

Because he loses 0.5 points for every wrong answer we can do 0.5x2=1

So, with that information we can do 26-1=25

At the end Travis had 25 points.

Answer:

25

Step-by-step explanation:

if the mean of 4,6,4,7,(x+1),8 and 2 is 5 ,find the median​

Answers

Answer:  Median = 4

===========================================================

Explanation:

The mean is found by adding up all of the values and dividing by n, where n is the number of values in the set.

In this case, we have n = 7 values here. We count (x+1) as well since x is a placeholder for a number, which makes (x+1) also a placeholder in a sense.

As for what replaces x, we're not sure yet but we can use algebra to solve.

Lets add up all of the values given except for the "5" at the end. That 5 is the mean which is not part of the data set.

Adding up those values mentioned gives:

4+6+4+7+(x+1)+8+2 = x+32

Then divide this over n = 7 to get the mean 5

(x+32)/n = mean

(x+32)/7 = 5

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

Let's isolate x

(x+32)/7 = 5

x+32 = 7*5

x+32 = 35

x = 35-32

x = 3

If x = 3, then x+1 = 3+1 = 4

So the (x+1) is being a placeholder for the number 4.

In other words, we'll replace the (x+1) with 4.

The data set of

4,6,4,7,(x+1),8,2

updates to

4,6,4,7,4,8,2

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

We'll get to the median in a moment, but first we need to check if we have the correct replacement for (x+1)

Add up the values in the set {4,6,4,7,4,8,2}

Doing so leads to: 4+6+4+7+4+8+2 = 35

Then divide by n = 7 to compute the mean: 35/n = 35/7 = 5

We get the mean is 5 which matches with the instructions. So we have the correct replacement for the (x+1). We can now find the median.

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

To find the median of any data set, we need to make sure the numbers are in order from smallest to largest.

Right now {4,6,4,7,4,8,2} is not sorted, but we can sort the items to get {2,4,4,4,6,7,8}

The median is at the exact middle. In this set, the median is that third copy of '4'. Note how "2,4,4" is to the left of the median while "6,7,8" is to the right of the median. There is the same number of values on either side of the median to show things are balanced and we are at the center point.

As an alternative, you can cross off each pair of outer values one at a time until you steadily arrive at the midpoint, which again is that third copy of '4'.

So that's why the median is 4.

The table below shows Oliver's earnings on the job.

Answers

Answer:

g]

Step-by-step explanation:

19.1
Find the circumference
of a circle with a
diameter of 3 cm.

Answers

Answer:

9.42478 cm

Step-by-step explanation:

Circumference = 2*3.14*radius

Radius = Diameter divided by 2 or 3/2 = 1.5cm

Find y using the ratios of the sides 15 cm and 20 cm.

Answers

Answer:A right triangle having sides 15 cm and 20 cm is made to revolve about its hypotenuse. Find the Volume and Surface Area of the double cone so formed. (Use π=3.14).

Step-by-step explanation:

Can someone pls help me

Answers

Answer:

Step-by-step explanation:

∠A + ∠B + ∠C = 180      {Angle sum property of triangle}

∠A + 65 + 55 = 180

       ∠A + 120 = 180

                ∠A = 180 - 120

               ∠A = 60

If two triangles are similar, then the corresponding angles of two triangles are congruent.

z = ∠A

z = 60

Solution -:

In ∆ ABC,

[tex]\angle[/tex] A + [tex]\angle[/tex] B + [tex]\angle[/tex] C = 180° .... (Angle sum property of a triangle)

Here, we have:

[tex]\angle[/tex] B = 65°

[tex]\angle[/tex] C = 55°

Substituting values,

[tex]\dashrightarrow\sf{\angle A + 65 + 55 = 180} \\ \\ \dashrightarrow\sf{\angle A + 120 = 180} \\ \\ \dashrightarrow\sf{\angle A = 180 - 120} \\ \\ \dashrightarrow{\boxed{\sf{\gray \angle A = 60 \: \bigstar}}}[/tex]

As we know that,

If two triangles are similar, then the corresponding sides of two triangles are congruent.

[tex]\longrightarrow\tt{z= \angle A } \\ \\ \longrightarrow{\boxed{\tt{\gray Z = 60 \: \bigstar}}}[/tex]

Write an
explicit formula for an, the nth term of the sequence 1, 3, 9, ....

Answers

Answer:

an=a+(n-1)d

Step-by-step explanation:

1 3 9 ....

is the answer

it says Andre starts with $100 in his savings account and adds $5 per week Elena starts with $10 in her savings account and adds $20 each week after 4 weeks who has more money in their savings account ​

Answers

Answer:

Andre

Step-by-step explanation:

So for Andre you would do 5*4=20 and 100 + 20 = 120.

And Elena you would do 20*4=80 then 80 + 10 = 90.

Hope this helps!!

Exercises
1. A property is advertised for sale. The sale price is $5 000 000. The property can be
bought with a deposit of 10% and a mortgage.
Calculate
2) the deposit
.
b) the mortgage​

Answers

Answer:

$500,000

Step-by-step explanation:

5,000,000 x .1

Find the the area of a right triangle if 8cm and 12cm are a leg and a hypotenuse. Round to the nearest hundredth.

Answers

Answer:

Step-by-step explanation:

The area of a triangle is

A=bh/2 where b=base and h=height. So we first have to solve for h

8^2+h^2=12^2

h^2=12^2-8^2

h^2=144-64

h^2=80

h=(80)^(1/2), now we can find the area

A=8(80^(1/2))/2

A=4(80^(1/2)

A=35.78cm

What is the Inequality for this graph?

Answers

Given:

The graph of an inequality.

To find:

The inequality for the given graph.

Solution:

From the given graph it is clear that the boundary line passes through the points (6,0) and (0,-4). So, the equation of the line is

[tex]y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)[/tex]

[tex]y-0=\dfrac{-4-0}{0-6}(x-6)[/tex]

[tex]y=\dfrac{-4}{-6}(x-6)[/tex]

[tex]y=\dfrac{2}{3}(x-6)[/tex]

[tex]y=\dfrac{2}{3}x-4[/tex]

The area under the boundary line is shaded and boundary line is a dotted line it means the points on the line are not included in the solution set. So, the inequality sing must be <.

[tex]y<\dfrac{2}{3}x-4[/tex]

Therefore, the required inequality for the given graph is [tex]y<\dfrac{2}{3}x-4[/tex].

Roxana tiene que responder la siguiente consigna que le dio la seño ``si para dividir un numero por 10 le debo suprimir a ese numero la ultima sifra como por ejemplo 120÷10 =12 0 122÷10 =12 y me sobran 2 ¿como harias para dividir un numero decimal como 0,1 en 10 ?

Answers

Answer:

Para dividir un número decimal como 0.1 en 10 se debe adicionar un 0 del lado derecho del punto, es decir, del lado de los decimales.

Step-by-step explanation:

Dado que, si para dividir un número por 10 le debo suprimir a ese número la última cifra, como por ejemplo 120/10 es igual a 12, o 122/10 es igual 12 y me sobran 2, para dividir un número decimal como 0.1 en 10 se debe adicionar un 0 del lado derecho del punto, es decir, del lado de los decimales. Esto se comprueba al realizar dicha división:

0.1 / 10 = 0.01

0.01 / 10 = 0.001

Tom is making strawberry jelly and is going to put it
into the jar shown. About how much jelly will he
need to fill the jar to 0.5 inch from the top? Circle
the correct answer. (Use 3.14 for T, and round to the
nearest whole.)

Answers

Answer:b

Step-by-step explanation:

Option B will be the correct option.

    Given in the question,

Radius of the cylindrical jar = 2 inchesHeight of the jar = 5 in.Height of the jelly in the jar = (5 - 0.5) = 4.5 inches

Expression for the volume of a cylinder = [tex]\pi r^{2}h[/tex]

                                                                  = [tex]\pi (2)^2(4.5)[/tex]

                                                                  = [tex]18\pi[/tex]

                                                                  = 18(3.14)

                                                                  = 56.52

                                                                  ≈ 57 in³

      Therefore, Option B is the correct option.

  Isabelle calculated the volume of whole jar that is 63 in³ by using the same expression.

Hence, she chose Option C as the correct option.

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Carpet for one office costs $210. If the carpet sells for $8.75 per
square yard, how many square yards of carpet are needed for
one office?

Answers

Answer:

a.

Let x be the number of square yards of carpeting for which the total cost charged by the two companies will be the same.

We have an expression for the total cost of Country Carpets:

($22/ 1 yd^2)* (x yd^2) + $100

= $22*x+ $100

or 22x+ 100

We also have another expression for the total cost of City Carpets:

($25/ 1 yd^2)* (x yd^2)+ $70

= $25*x+ $70

or 25x+ 70

Now set the two expressions to be equal:

22x+ 100= 25x+ 70

⇒ 100- 70= 25x -22x

⇒ 30= 3x

⇒ 30/3= x

⇒ 10= x

The final answer for a is 10 square yards of carpeting~

b.

Let's assume that Mr. Shu wants to install carpeting for 1 square yard.

Country Carpets: $22*1+ $100= $122

City Carpets: $25*1+ $70= $95

Therefore, Mr. Shu will be likely to choose City Carpets if he wants to install carpeting for 1 square yard.

Now let's try x=11 (square yard):

Country Carpets= $22*11+ $100= $342

City Carpets= $25*11+ $70= $345

Therefore, Mr. Shu will be likely to choose Country Carpets if he wants to install carpeting for 11 square yard.

If you paid really close attention, you would notice that the price of City Carpets will be cheaper than the other when x is >0 and <10. At x=10, the price is equal. When x is >10, the price of Country Carpets will be cheaper than the other one.

So it depends:

If x were >0 and <10, Mr. Shu would be likely to choose City Carpets.

If x were 10, Mr. Shu could choose either Country Carpets or City Carpets.

If x were > 10, Mr. Shu would be likely to choose Country Carpets.

Hope this helps~

Step-by-step explanation:

Miranda earned pocket money by recycling cans and bottles on 6 occasions.The redemption values were:

Answers

Answer:

4

Step-by-step explanation:

first you want to add 2, 3, 3, 8, 2, 6 together (24), then divide by 6 and you get 4, thats how you get the mean or the average value of things!

Please give me brainliest if I helped!

Other Questions
JUST ANSWER RIGHT NOTHING ELSE 25 POINTS!!! plEase thank you IF YOU CAN DO THIS FOR ME IT WOULD REALLY HELP!!!THE QUESTION I CHOSE IS IN THE COMMENTS BELOW!!!Introduction: In your introduction, you will explain in complete sentences what you were trying to accomplish through the project. You will explain the question you were trying to answer, as well as "why" you selected that question.Methods: In this section, you need to explain the methods that you used in the data collection project. This explanation needs to include a description of the population, the sample, and the sampling methods. You also need to include the survey question in this section. You can include the survey question right in the text, or if you used a document to pass out your survey or online form, you can reference the document or the online form (provided the document or form is included in your report in some way whether through an appendix or separate document that is referenced in the Methods section).Data: In the data section, you will not only include your frequency table and graph, but you will also include a written description of the results. Since this is the "data" and not the "conclusion," just talk about the sample population in this section. Answer the question "What were the results of the survey?" in this section.Conclusion: Now you will have a written description of the generalizations that you made from looking at the data. This is where you would use language that applies the results to the larger population. You can use language like "On the basis of these findings." or "The results of this survey suggest." You should also include some mathematical examples of how the data applies to the larger population. How do key details in paragraph 5 through 7 help support the central idea of Flying with a tiger by Elana Kopel with 2 supporting details in the text. How did new technologies increase the numbers of casualties compared with previous wars Simplify.7x - x + 9+ 6x + 5x - 10___________Will give brainliest Question: Antihistamines sometimes reduce your ability to safely operate a motor vehicle? True or False? If someone writes me a 500 word essay on Sojourner Truth's, "Ain't I A Woman" speech I will give you brainiest.I had to write a 1,000 word essay already today and I have other work to do I just need help and I cant stay focused please I need help I'm struggling.PLEASE HELP ME! find x. Find x. Find x. find x. find x. find x Which statement BEST describes the purpose of Title IX legislation passed in 1972?A) to allow women free access to healthcare while pregnantB) to demand equal pay for equal work for males and femalesC) to promote more funding for females to study math and sciences at thesecondary levelD) to prohibit discrimination against females in school sponsored activitiesand promote fair funding for female athletes A recent increase in sales of microchips has forced a computer company to buy a new processing machine to help keep up with demand. The builders of the new machine claim that it produces fewer defective microchips than the older machine. From a random sample of 90 microchips produced on the old machine, 5 were found to be defective. From a random sample of 83 microchips produced on the new machine, 3 were found to be defective. The quality control manager wants to construct a confidence interval to estimate the difference between the proportion of defective microchips from the older machine and the proportion of defective microchips from the new machine. PLSSSSSSSSS HELPP ILL MARK BRAINLIEST What are Renewable Resoures? What is one way for Dominique to decide which source is more reliable? A. The article by the high school student is more credible because it is a positive review. B. The article by the museum curator is more credible because Dominique found it first. C. The article by the high school student is more credible because he visited the Smithsonian. D. The article by the museum curator is more credible since she works for the Smithsonian. What is the value of the expression 25 5 + (6 x 2) 4?Question 1 options:791213 pinte no mapa do brasil apenas a rea que corresponde a regio Nordeste Describe three goals, or categories of the New Deal? Ok I dont know how to word this but I hope I can get some answers Relating to a legislative or judicial chamber therefore, there is a state _______ and a state _______If anyone knows the answer to it please help. (Its Washington state history) Which number is not a perfect square?442549289 When Jake took his dog, Rocky, to the vet in December, Rocky weighed 29 pounds 9 ounces. When he took Rocky back to the vet in March, Rocky weighed 34 pounds 4 ounces. How much weight did Rocky gain how did the economy of 1920s affect the United statescan someone help please