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
castortr0y [4]
2 years ago
14

Quadrilateral ABCD is similar to Quadrilateral EFGH. The scale factor is 3:2. If AB = 18, find EF.

Mathematics
2 answers:
lord [1]2 years ago
8 0

Answer: EF = 12 units

Step-by-step explanation:

Given : Quadrilateral ABCD is similar to Quadrilateral EFGH.

The scale factor is 3:2.

We know that the scale factor is the ratio of the corresponding sides of two similar figures.

So if Quadrilateral ABCD is similar to Quadrilateral EFGH, the side AB corresponds to side EF.

If AB = 18, then we have the following equation:-

\dfrac{AB}{EF}=\dfrac{3}{2}\\\\\Rightarrow\dfrac{18}{EF}=\dfrac{3}{2}\\\\\Rightarrow\ EF=\dfrac{2\times18}{3}\\\\\Rightarrow\ EF=12

Olenka [21]2 years ago
6 0
EF =12

do you want to know how I got my answer...
You might be interested in
Please help and explain would I still set this up with law of sine or use cosine
Svetach [21]

You would use the tangent first, because the opposite of 40 would be x and the adjacent would be 30ft

4 0
3 years ago
Select all the stories that can be represented by the diagram.
Inessa05 [86]

Answer: Choice C and Choice D

========================================================

Explanation:

  • Choice A doesn't work because it the $1 should be $7 instead.
  • Choice B doesn't work because it should be Elena spending $7 total on 3 notebooks and a $1 pen. The x is the amount per notebook.
  • Choice C does work. If x is the number of grapes Noah gives each friend, then 3x is the total amount Noah gives over. Then 3x+1 is the number of grapes total. That +1 at the end is the grape Noah eats. We end up with 3x+1 = 7 because Noah starts off with 7 grapes.
  • Choice D works also. The x is the number of hours for math, science and history each. So 3x is the combined time of those three classes. Add on 1 to get 3x+1 to represent all 7 hours, ie 3x+1 = 7.
  • Choice E does not work. If it was her spending $7 on 3 markers and a $1 pen, then it would work.
8 0
1 year ago
Read 2 more answers
Plz help Evaluate. 5⋅40
lana [24]

<em><u>Answer: =200</u></em>

Step-by-step explanation:

This question it's about PEMDAS. This lesson it's about order of operations. p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract. It can also go left to right. multiply by the numbers. product it's going to be multiply by the numbers, fractions, factors, and multiples.

5*40=200

40*5=200

200/5=40

200/40=5

Hope this helps!

Thanks!

Have a great day!


4 0
3 years ago
Help me plssssssssssssssssssss
Firdavs [7]

Answer:

i dont know i swear

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Combine like terms<br> -4-4y+2x-2x-6
allsm [11]

I adore combining like terms! :)

First, let's combine x's:

2x-2x cancel out to 0

Now y's:

-4y

And now numbers or constants:

-4-6=-10

Now write all the terms together:

-4y-10

Hope it helps!

*Just a girl who adores Brainly and listens to "Try Everything"

*GraceRosalia*

______________________________________________________

Additional Comment:

If you found this answer helpful, please mark Brainliest! :)

5 0
3 years ago
Other questions:
  • A wild tiger can eat up to 55 pounds of meat a day. About how many days would it take a tiger to eat the following prey?
    6·1 answer
  • What is the quotient of -1/8 and - 1/3
    11·1 answer
  • Please help me thanks
    5·2 answers
  • Roberto cut 12 meters of string into 4 equal sized pieces. How long is each piece of string in centimeters?
    10·1 answer
  • The area of a square is 1,000 ft2. About how long is one<br> side of the square?
    11·1 answer
  • The answer for my quiz
    13·1 answer
  • Using the elimination method to solve <br> 2 x-y=8<br> x + y = 20
    10·1 answer
  • Explain and I’ll mark as brainliest too also worth 20 points
    6·2 answers
  • Which graph represents the function<br> f(x) = (x + 4)(x + 1)(x - 3)<br> ?
    7·1 answer
  • The population of center city is modeled by exponential function
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!