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
Likurg_2 [28]
3 years ago
11

A triangle was dilated by a scale factor of 2. If cos a° = three fifths and segment FD measures 6 units, how long is segment DE?

Mathematics
2 answers:
kiruha [24]3 years ago
6 0

Answer:

10 units

Step-by-step explanation:

Given that:

Cos a = 3 /5

From trigonometry ;

Cos θ = Adjacent / hypotenus

Side Adjacent angle a = 3 = FD

Hypotenus = 5 = DE

3 / 5 = FD / DE

FD = 6 units

3/5 = 6/DE

DE * 3/5 = 6

DE = 6 ÷ 3/5

DE = 6 * 5 /3

DE = 30 /3

DE = 10 units

Artist 52 [7]3 years ago
4 0

Answer:

c

Step-by-step explanation:

You might be interested in
What is the Absoulte value of 3
aleksandr82 [10.1K]

Answer:

it's 3

Step-by-step explanation:

Number 3 is 3 units away from 0, and thus the absolute value of 3 is 3.

3 0
3 years ago
The regular price of a TV is $475. It's currently on sale for 30% off. What is
Hitman42 [59]

Answer:

You will pay $332.50 for a item with original price of $475 when discounted 30%

meaning the discount is $142.50

Step-by-step explanation:

if you buy an item at $475 with 30% discount, you will pay 475 - 142.5 = 332.5 dollars.

please give brainliest and thanks if possible

7 0
3 years ago
I really need help on this 8th grade geometry
wariber [46]
The answer is 39 degrees <span />
5 0
3 years ago
A charity is holding a raffle to raise money. There is one car worth $30,000 and five $100 gift cards being raffled off. Each ti
lesya [120]
30.000+100-5000*20=x(sum of profits)
8 0
3 years ago
Read 2 more answers
Write the equation of the line of the line that passes through the point (3, -6) and a slope of 5
muminat

Answer:

y=5x-21

Step-by-step explanation:

3 0
2 years ago
Other questions:
  • Lets find 1/3 - 1/12<br><br> 1/3 - 1/12 = ___/12 - 1/12 =___/___<br><br> Fill in the blanks
    12·1 answer
  • A checkerboard measures 38.1 cm by 38.1 cm. What is the area of the checkerboard?
    8·2 answers
  • How is a good way on how to know how to solve linear equations with a variable on each side?
    5·1 answer
  • Please help I will mark brainlist if correct
    15·1 answer
  • Some body plis help me​
    10·2 answers
  • Luis wants to buy a skateboard that usually sells for $79.91. All merchandise is discounted by %12. What is the total cost of th
    10·2 answers
  • A recipe for a fruit drink calls for 2 cups of fruit juice for every 5 cups of water. Look at each drink mix. Does each drink mi
    7·2 answers
  • Which of the following values is the solution to the equation<br><br> w/-7 = -21 ?
    14·1 answer
  • The area of a circle is 98. 74cm2. Find the length of the radius rounded to 2 DP
    8·1 answer
  • 2x-9y=26<br> 6x-2y=-22<br> solve by substitution step by step please
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!