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
BabaBlast [244]
4 years ago
9

Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD measures 9. Side PQ measures 5x – 25

and side QR measures 6x + 4. Find the value of x
Mathematics
1 answer:
White raven [17]4 years ago
7 0
For this problem, we can set up a proportion using similarity ratios. We know that triangle DEF is similar to triangle PQR, so we know that DE/PQ = EF/QR = FD/RP:

DE/PQ = EF/QR

3/(5x - 25) = 7/(6x + 4)

Cross multiplying, we get:

7(5x - 25) = 3(6x + 4)

35x - 175 = 18x + 12

Now, we can solve for x:

35x - 18x = 12 + 175

17x = 187

x = 11

So, x is 11. 
You might be interested in
What is the measurement of <3 and <1.
Hitman42 [59]
You can revise: the sum of the two adjacent angles is 180°
and the sum of the measurements of the three corners in a triangle is also 180°
<1= 180°-57°=123°
As <2=52°, so we have <3= 180°-(28°+71°+52°)= 180°-151°=29°
have fun

3 0
4 years ago
NEED UGANT HELP really stuck xx
kolezko [41]

Answer:

0.6

Step-by-step explanation:

3+2=5

P (white) = 3/5 = 0.6

(Hopefully this works, if not, on hearty maths you can go back to your assigned tasks page and go back onto the task to get a new question if that makes sense)

7 0
4 years ago
Lester baked 36 cookies with 4 scoops of flour. How many scoops of flour does Lester need in order to bake 45 cookies? Solve usi
Snowcat [4.5K]
Okay so this took some time but


you need 1 more cup.

in each cookie there is 1/9th of a cup so to make 45 cookies you need 1 more cup. WE COULD BE COMPLETELY WRONG
5 0
3 years ago
Please see questions below.
Norma-Jean [14]
The answer is C sin50...
6 0
4 years ago
9. John bought a used truck for $4,500. He made an agreement with the dealer to put $1,500 down and make payments of $350 for th
kirza4 [7]

Answer:

11.111111111111111...%

6 0
3 years ago
Other questions:
  • A math professor writes down two consecutive whole numbers from the range from a through 10. She tells one of the numbers to Mau
    14·1 answer
  • What is the cube root of 12? I have to show my work using common core.
    15·1 answer
  • Jeremy mowed serval lawns to earn money for his camp after he paid 17$ for gas , he had 75$ leftover to play towards camp. write
    11·2 answers
  • What is always true of an object with a lot of mass?
    7·2 answers
  • What is the square root of -16 complex numbers
    15·1 answer
  • Find the equation of the linear function represented by the table below in slope
    5·1 answer
  • PLEASE ANSWER FAST WILL BRAINLIST!!!
    9·2 answers
  • Without graphing, find the slope of the line that goes through
    14·1 answer
  • A line that contains the point (0,4) if the slope of the line is m=5 write the equation of the line using slope intercept form
    5·1 answer
  • Which angles!!! Need answers 40% of my grade please and thank you
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!