A triangle has sides 12cm, 9cm and 15cm. Is the triangle right-angled? Justify your answer

Answers

Answer 1

Answer:

yes

Step-by-step explanation:

Yes this triangle is right angled and can be justified using the Pythagorean theorem. The theorem states that: [tex]a^{2} +b^{2} = c^{2}[/tex]. Substitute using the given values:

(9^2)+(12^2)=15^2

81 + 144 = 255

255 = 255.

It satisfies the theorem therefore it is a right angle triangle.


Related Questions

WILL GIVE BRAINLIEST

Answers

The answer is c! You just put the square root symbol in your calculator and then put the number after and press enter it comes to around 4.8 so your answer is c
C is the right answer to this. Have a great day!!

A square pyramid is shown below.



Which shapes could be formed by slicing the square pyramid by a plane? Select all that apply.
A. circle
B. triangle
C. rectangle
D. trapezoid
E. square

Answers

Answer:

B and e

Step-by-step explanation:

The shape is a square.

What is a Square Pyramid?

'A square pyramid is a  three-dimensional geometric shape having a square base and four triangular faces/sides that meet at a single point (called vertex) is called a square pyramid.'

According to the given problem,

If a square pyramid is cut along the plane, then the cross-section of the solid is square. Because it is a square pyramid.

Hence, we concluded that square could be formed by slicing the square pyramid by a plane.

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What is her average?

Answers

Answer:

95

Step-by-step explanation:

88 + 95 + 97 + 100 = 380

380 ÷ 4 = 95

To find the average you add all the numbers together and then divide that answer depending on how many numbers there are for example there were 4  numbers in this problem so I divided by 4.

Hoped this helped you!! If you have any other questions about what I said you can ask me :) Have a great day!

if 25,m+1,35 are arithmetic sequence then find the value of m​

Answers

Answer:

m = 29

Step-by-step explanation:

You are counting by fives.

25, 30, 35

m + 1 = 30

m + 1 - 1 = 30 - 1

m = 29

25, (29 + 1), 35

25, 30, 35

The value of m is equal to 29

What is arithmetic sequence?

An arithmetic sequence is sequence of integers with its adjacent terms differing with one common difference.

An arithmetic sequence, therefore, is defined by two parameters, viz. the starting term and the common difference.

We are counting by fives.

m + 1 = 30

Now subtract 1 on both sides;

m + 1 - 1 = 30 - 1

m = 29

Thus substituting the value to find other terms;

25, (29 + 1), 35

The sequence is

25, 30, 35

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Hi hi dude I just don’t want to play anymore I just don’t want to play

Answers

9514 1404 393

Answer:

equation: 8 = v + 5solution: v = 3

Step-by-step explanation:

The green line is shown as having a length of 8.

The black line is shown as having two parts that add up to the total length of the black line: v + 5.

The problem statement tells you these are the same length. An equation that says they are equal is ...

  8 = v + 5

__

This is solved by subtracting 5 from both sides of the equation.

  8 -5 = v +5 -5

Combining like terms gives ...

  3 = v

The solution is v = 3.

1522 customers at a major retailer were surveyed whether or not they made a purchase and were satisfied with the service they received. The table below organized the responses

Answers

a) a total of 677 were not satisfied. Of these 494 made a purchase  494/677

b) a total of 624 made a purchase. Of these 494 were not satisfied 494/624

A seller has a house that is 1800 square feet. The neighborhood comps show
the line of best fit to be y = 0.074x +50 48. What is a fair price for this house?
A. $150,000
B. $183.68
C. $150.00
D. $184,000
SUBMIT

Answers

A fair price for this house is $183.68. Therefore, option B is the correct answer.

What is the equation of a line?

The general equation of a straight line is y=mx+c, where m is the gradient, and y = c is the value where the line cuts the y-axis. This number c is called the intercept on the y-axis.

Given that, a seller has a house that is 1800 square feet.

The neighborhood comps show the line of best fit to be y = 0.074x+50.48.

Substitute x=1800 in the given equation, we get

y=0.074×1800+50.48

y=$183.68

Therefore, option B is the correct answer.

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Discount, markup, and commission word problems
You might need: Calculator
A store has a 40% off sale on headphones. With this discount, the price of one pair of headphones is $36.
What is the original price of the pair of headphones?
$
Show Calculator
Stuck? Watch a video or use a hint.
Report a problem

Answers

Answer:

90$

Step-by-step explanation:

X(40%) = 36$

X(40/100) =36

40X = 3600

X = 90$

(recheck: 90$ x 40%= 36$)

I need help with this

Answers

Answer:

i need help with this so you can ready

Finding the area of each

Answers

Answer:

C.

HOPE THIS HELPS

-Todo <3

Step-by-step explanation:

2*2=4

x:1≤x≤9,x is a prime​

Answers

Answer:

1≤x≤9

0,1,0,1,2,3,4,5,6,7,8,9

x is a prime number 2,3,5,7

Susie is paying $568.97 every month for her $150,000 mortgage. If this is a 30 year mortgage, how much interest will she pay over the 30 years of payments?

Answers

204,829.2
Multiple 12 by 30 because 12 is how many mouths is in a year and she is paying for 30 once you multiply that you multiple what ever you got by 568.87

Answer:

Step-by-step explanation:

Take the paying multiply by months then take the years - the total loan

so you'd have 568.97(12)30-150000=54829.20

What is the recursive formula for the geometric sequence 2, 12, 72, 432,.. ?

Answers

[tex]a_{1}=2\\a_{n}=6a_{n-1}[/tex]

The recursive formula is  aₙ = 2(6)ⁿ⁻¹.

What is recursive formula?

A recursive formula for a geometric sequence with common ratio r is given by aₙ = a₁ rⁿ⁻¹ for n≥2.

Given: 2, 12, 72, 432,..

r= 12/2= 6

a= 2

The recursive  formula for the nth term,

aₙ = a₁ rⁿ⁻¹

aₙ = 2(6)ⁿ⁻¹

Hence, the recursive formula is aₙ = 2(6)ⁿ⁻¹

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Find the arithmetic mean of the sales per day in a fair price shop in a week.
Rs 10000, Rs 10250, Rs 10790, Rs 9865, Rs 15350, Rs 10110.​

Answers

Answer:

11060.83

Step-by-step explanation:

Sum = 10000 + 10250 + 10790 + 9865 + 15350 + 10110

= 66365

No. of days (N) = 6

Arithmetic mean = Sum/ N

= 66365/6

= 11060.83

Step-by-step explanation:

sum =Rs 10000+ Rs 10250+ Rs 10790+Rs 9865+ Rs 15350+Rs 10110.=rs66365

n=6

mean=sum/n=rs66365/6=11060.833

2. Which pair of angles is not congruent? F. ∠1 and ∠7 G. ∠3 and ∠5 H. ∠4 and ∠6 I. ∠2 and ∠5

Answers

Answer:

I) ∠2 and ∠5

Step-by-step explanation:

In the figure, angle D measures 31 degrees and angle A measures 27 degrees.
The measurement of angle B is:
59, 63, or 90
Angle F is:
59, 63, or 90​

Answers

Answer:

Angle B = 63° Angle F = 59°

Step-by-step explanation:

C = 90° (right angle)

A = 27°

3 angles are added to result in 180° (property of triangle)

Therefore B =

180 - (90 + 27) =

180 - 117 =

63°

Angle B = 63° ✅

E = 90° (right angle)

D = 31°

3 angles are added to result in 180° (property of triangle)

Therefore F =

180 - (90 + 31) =

180 - 121 =

59°

Angle F = 59° ✅

____________________

#IndonesianPride - kexcvi

Answer:

B= 63

F= 59

Step-by-step explanation:

a+ b+ c= 180

27+b+ 90=180

117+b=180

180-117=b

B= 63

D+E+F=180

31+ 90+ F=189

121 +F=180

180-121= F

F= 59

Which of the following lines is perpendicular to the line 8x + 6y = 12 and passes through the point (-12,-2)?​

Answers

Answer:

y = 3/4x + 7

Step-by-step explanation:

8x + 6y = 12

6y = -8x + 12

y = -4/3x + 2

Perpendicular slope: 3/4

y - y1 = m(x - x1)

y + 2 = 3/4(x + 12)

y + 2 = 3/4x + 9

y = 3/4x + 7

POSSIBLE POINTS: 15
A can of soda contains 0.355 liters of soda. How many milliliters of soda are in one can?

Answers

There’s 355 milliliters of soda in one can

may someone please help me find the area of this parallelogram? thank you!

Answers

It would be BH=A. So 12x20=240

If an image was translated 8 units to the left and 2 units down, what would its rule be?
A. (X,Y-> (X + 8, y - 2)
B. (x, y) --> (X - 8, y - 2)
C. (x, y) --> (X + 8, y + 2)
D. (x, y) --> (X - 8, y + 2)


ill give brainliest! plsss help

Answers

Answer:

B

Because u r going -8 units on the x-axis and 2 units down on the y-axis

Find the measure of 61.
{
839
41
{ K
41 = [?]
Enter

Answers

Answer:

m<1 = 97°

Step-by-step explanation:

<1 and 83° are same-side interior angles. Same-side interior angles are supplementary. This implies that:

m<1 + 83° = 180°

Therefore:

m<1 + 83° - 83° = 180° - 83° (subtraction property of equality)

m<1 = 97°

Answer:

<1=97°

steps:

<1+83=180 co interior angle

<1=180-83=97°

Write an equation and solve for the missing anglemeasure.

Equation: _______________________

Angle g = ___________

Answers

Answer:

Equation: [tex]143 + g = 180[/tex]

[tex]g =37[/tex]

Step-by-step explanation:

Given

The attached figure

Required

The equation to find g and the solution

From the attached: Angles ACD, DCE and ECB lie on a straight line.

Where

[tex]ACD = 90[/tex]       [tex]DCE = 53[/tex]     [tex]ECB = g[/tex]

This means that:

[tex]ACD + DCE + ECB = 180[/tex]

[tex]90 + 53 + g = 180[/tex]

[tex]143 + g = 180[/tex]

Subtract 143 from both sides

[tex]-143 + 143 + g = 180 - 143[/tex]

[tex]g = 37[/tex]

Katie wants to collect over a hundred seashells she already has 34 seashells in her collection each day she finds 12 more seashells on the beach Katie can use fractions of days to find seashells write an equality to determine the number of days D it will take Katie to collect over a 100 seashells. no explanation needed​

Answers

Answer:

6

Step-by-step explanation:

it’s 6 im very good in math

8x + 9y - 6x - 3y i forgot how to do these lol

Answers

If you are asking to combine them it is 6y+2x

Find a coterminal angle between 0 and 360 degrees.

525°
A) 35°
C) 145°
B) 165°
D) 285°

Answers

The answer is 165 because really all you have to do is subtract 360 from 525


Please mark brainliest


Which equation matches this graph ?

Answers

Answer:

Wheres the graph??

Step-by-step explanation:

8ty grade math, please help.
-Find the volume-

Answers

Answer:

47.12389 Rounded is 47.12

Step-by-step explanation:

V=πr2h=π·12·15≈47.12389

Rewrite the radical as a rational exponent.

Answers

2 7/3 so the second option

HELP PLS WUICK! GIVING OUT BRAINLIST

Answers

You multiply the area of the triangle by 2

Answer:

27

reason:

did it recently

What is the Area of this quadrilateral

Answers

C is the answer i just did this answer and get it correct

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