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
Svetach [21]
3 years ago
7

In the right triangle shown, DF=EF=3. How long is DE

Mathematics
1 answer:
levacccp [35]3 years ago
7 0

Answer:

DE=3\sqrt{2}\ units

Step-by-step explanation:

see the attached figure to better understand the problem

In this problem we have an isosceles right triangle (because has two equal sides)

so

Applying the Pythagorean theorem

DE^2=DF^2+EF^2

substitute the given values

DE^2=3^2+3^2

DE^2=18\\DE=3\sqrt{2}\ units

You might be interested in
Aisha 3 times as many chocolates as Abdul. Together they have 24 chocolates, How many chocolates does each child have?
ch4aika [34]

Answer:

3x+X =24

4x=24

X=24/4

X=6

Aisha= 3x6

=18

Abdulla=1x6

=6

5 0
3 years ago
A realtor's commission is directly proportional to the selling price of a house. Mr. Wiley earned a commission of $9,200 on a ho
Salsk061 [2.6K]
<span>Mr. Wiley earned a commission of $9,200 on a house that sold for $184,000.
</span><span>At this rate, Mr. Wiley's commission be on a house that sells for $250,000 = ?
commission = price of house sold
$9,200 = $184,000 
multiply both sides with $250,000
$9,200 x </span>$250,000 = $184,000 x $250,000
when the price is $250,000, the commission will be;
($9,200 x $250,000) / $184,000 = $250,000
$2300000/$184 = $250,000
$12,500 = $250,000
Thus, the commission is $12,500.

4 0
4 years ago
Ed bought 3 L of water 2750 mL of sports drink and 2.25 L of juice which statement is true
Leona [35]
3L is the largest quanity, 2750mL is 2nd largest, and 2.25L is the smallest. hope that helps
7 0
4 years ago
Use properties to evaluate (-25) HIS O A. – 15 5 O B. 5 C. - OC. 15 O D. 1​
Arisa [49]

Answer:

-15/4

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
X decreased by 7 is 38
marshall27 [118]

Answer:

45

Step-by-step explanation:

x - 7 = 38

add 7 to both sides to get the variable by itself

x = 45

7 0
4 years ago
Other questions:
  • 5.Karen is thinking of a number. If she multiplies her number by −3 and then adds 6, she has −4 times the original number. What
    12·1 answer
  • Evaluate the following expression. 3^-2
    7·2 answers
  • Work out the missing number 1.6 divided by(missing number)= 0.04
    15·1 answer
  • A un tanque que contiene 150 litros de gas propano se le inyecta del mismo gas a razón de 3 litros por segundo. Determina la fun
    11·1 answer
  • Earth's oceans have an average depth of 3800 m, a total area of 3.63 × 108 km2, and an average concentration of dissolved gold o
    14·1 answer
  • Need help solving this !
    11·1 answer
  • HELP HELP PLEASE ILL MARK BRAINLIEST
    10·2 answers
  • Choose a method you prefer to solve for a system of linear equations.<br> 2x + 4y = -4<br> 2x-y=6
    13·1 answer
  • Simplify the radical
    6·1 answer
  • The flower shop makes bouquets with ten flowers in each bouquet.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!