1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Keith_Richards [23]
3 years ago
5

A

Mathematics
1 answer:
rjkz [21]3 years ago
3 0

The other leg is 12cm long.

Step-by-step explanation:

Given,

Hypotenuse = c = 15cm

One leg = a = 9cm

Other leg = b

As the triangle is right angled, therefore, using Pythagoras theorem;

a^2+b^2=c^2\\(9)^2+b^2=(15)^2\\81+b^2=225\\b^2=225-81\\b^2=144\\

Taking square root on both sides;

\sqrt{b^2} =\sqrt{144} \\b=12\ cm

The other leg is 12cm long.

Keywords: triangle, square root

Learn more about triangles at:

  • brainly.com/question/5461619
  • brainly.com/question/5510873

#LearnwithBrainly

You might be interested in
How do you calculate an algebra question that is addition?
strojnjashka [21]
Read itgxgdydyffvgg
5
4 0
3 years ago
Alberto ran a race at a speed of 9 meters per second. Omar had a 6 meter head start and ran at a speed of 7 meters per second. B
zloy xaker [14]

Answer: Alberto run 27 meters.

Time taken By Alberto=3 seconds


Step-by-step explanation:

Let d be the distance Alberto ran to catch Omar.

Then, distance ran by Omar=x-6

Also, \text{Time}=\frac{\text{Distance}}{\text{Speed}}

Since, both started running at the same time.

Time taken By Alberto=\frac{x}{9}

Time taken By Omar=\frac{x-6}{7}

Now, at the point they meet time taken by both is equal.

\frac{x}{9}=\frac{x-6}{7}\\\Rightarrow\ 7x=9(x-6)\\\Rightarrow7x=9x-54\\\Rightarrow9x-7x=54\\\Rightarrow\ 2x=54\\\Rightarrow\ x=27

Hence, Alberto run 27 meters.

Time taken By Alberto=\frac{27}{9}=3 seconds

6 0
3 years ago
the number of three-digit numbers with distinct digits that be formed using the digits 1,2,3,5,8 and 9 is . The probability that
jolli1 [7]

Answer:

a)120

b)6.67%

Step-by-step explanation:

Given:

No. of digits given= 6

Digits given= 1,2,3,5,8,9

Number to be formed should be 3-digits, as we have to choose 3 digits from given 6-digits so the no. of combinations will be

6P3= 6!/3!

      = 6*5*4*3*2*1/3*2*1

      =6*5*4

      =120

Now finding the probability that both the first digit and the last digit of the three-digit number are even numbers:

As the first and last digits can only be even

then the form of number can be

a)2n8 or

b)8n2

where n can be 1,3,5 or 9

4*2=8

so there can be 8 three-digit numbers with both the first digit and the last digit even numbers

And probability = 8/120

                          = 0.0667

                          =6.67%

The probability that both the first digit and the last digit of the three-digit number are even numbers is 6.67% !

5 0
3 years ago
Read 2 more answers
Only 6 of the 75 trees in a park are at least 30 feet tall. What percent of the trees are under 30 feet tall?
wariber [46]
Percentage of tress under 30 = 6/75 x 100 = 8%

Answer: 8%
6 0
3 years ago
The area of a rectangle is (x4 4x3 3x2 – 4x – 4), and the length of the rectangle is (x3 5x2 8x 4). if area = length × width, wh
viva [34]

Answer:

Area = x4 + 4x3 + 3x2 - 4x - 4

Length = x3 +5x2 + 8x + 4

Width = Area / Length.

Performing long division with polynomial.

x4 + 4x3 + 3x2 - 4x - 4 / x3 + 5x2 + 8x + 4 = x-1

Width = x-1

Step-by-step explanation:

3 0
2 years ago
Other questions:
  • Zane each one eighth of a pizza later he is a half of the same Pizza to eat more the first time or the second time
    11·1 answer
  • Someone please help me??
    10·1 answer
  • What is the sum of the complex numbers 2 + 3i and 4 + 8i, where i = <br> −1<br> ?
    7·2 answers
  • Write the 2-digit number that matches the clues. My number has a tens digit that is 8 more than the ones digit. Zero is not one
    15·1 answer
  • The area of an ​20 -cm-wide rectangle is 440 cm. What is its​ length?
    14·1 answer
  • Find the slope of the line passing through the points (3,9) and 12,-5)​
    7·1 answer
  • A cheese pizza costs $5. Additional toppings cost $1.50 each. Write an equation in two variables. What is the price of the pizza
    6·1 answer
  • I cant remember plz help me
    15·1 answer
  • Jim connected the points with line segments to form a polygon. witch point is located inside the polygon ​
    7·1 answer
  • Help please! I will really appreciate it
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!