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
lutik1710 [3]
3 years ago
12

A right triangle has legs that are 21 in. and 25 in. long. What is the area of the triangle?

Mathematics
1 answer:
vfiekz [6]3 years ago
6 0

Answer:

The area of the right triangle is 262.5

Step-by-step explanation:

You might be interested in
The area of a rectangle that has a length of 10 and a width of w.
alexdok [17]

Answer:

B

Step-by-step explanation:

To find the area, multiply length by width (lw, or l×w). If the length is 10, that just leaves the width, which is unknown. We can substitute 10 for l, which leaves us with 10w.

8 0
3 years ago
Out of 30 questions, Ahmad answer 12 of them incorrectly. What percent of the questions did he answer correctly?
kati45 [8]
First, you would need to determine how many questions he got correct. 
30 - 12 = 18

Next, you would need to create an equation for this problem. Let x represent the unknown percentage. 
\frac{18}{30} = \frac{x}{100}

Now, you would cross multiply. 
30x = 1,800

The last step would be to isolate the x. To do this, you would divide both sides of the equal sign by 30. 
x = 60

Ahmad got 60% of the questions correct. 

I hope this helps!
7 0
3 years ago
Find two complex numbers that have a sum of i10 a different of -4and a product of -29​
lianna [129]
<h2>-2+5i and 2+5i</h2>

Step-by-step explanation:

   Let the complex numbers be a+ib\textrm{ and }c+id.

Given, sum is 10i, difference is -4 and product is -29.

(a+c)+i(b+d)=10i ⇒ a+c=0,b+d=10

(a-c)+i(b-d)=-4 ⇒ a-c=-4,b-d=0

a=-2,c=2,b=5,d=5

(a+ib)(c+id)=(-2+5i)(2+5i)=-4-25=-29

Hence, all three equations are consistent yielding the complex numbers -2+5i\textrm{ and }2+5i.

8 0
3 years ago
How to learn to divide
ElenaW [278]

Answer:

EX. 210/6

Step 1. Set up the equation, 210/6

Step 2. Divide the first digit/number   6 x 30 = 180            210 - 180 = 30

Step 3. rewrite the equation that is left,    30/6        6 x 5 = 30        30 - 30 = 0

Step 4. Only if need be for another equation, repeat step 1 and 2 until you have your answer

The Answer to the equation 210/6 is 35

Try 426/6 by yourself, please don't use a calculator.

4 0
3 years ago
Using complete sentences, explain the differences between an expression and an equation I need it asap
borishaifa [10]

Answer:

Expression is a mathematical phrase which combines, numbers, variables and operators to show the value of something. An equation is a mathematical statement wherein two expressions are set equal to each other. What is it? A sentence fragment, that stands for a single numerical value.

Step-by-step explanation:

That was the step-by-step explanation.  <3

7 0
3 years ago
Read 2 more answers
Other questions:
  • it takes Sarah 50 minutes to walk to her friends house 1 3/4 miles away. What is her walking pace in miles per hour?
    11·2 answers
  • Please help!!!!!!!!!
    7·1 answer
  • What does statistical variability mean and give me an example of one?<br><br> PLZ HELP ME
    9·1 answer
  • Help me pls I don’t know how to do this I’ll give brainliest pls help
    7·1 answer
  • Which points are on the plane curve described by the following set of parametric equations? Select TWO
    9·1 answer
  • Jason tossed a fair coin 3 times. What is the probability of getting a head and two tails in any order 1.3/8 2.4/8 3.5/8 4.6/8 p
    11·1 answer
  • PLEASE HELP ME!!!!<br> Like I have 8 assignments missing in math this is too stressful
    14·2 answers
  • ANSWER FOR BRAINLIEST
    11·2 answers
  • Please help with this fast
    7·1 answer
  • What is the GCF of 45x^5<br> and<br> 36x^9
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!