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
Leto [7]
3 years ago
11

ABCD is an isosceles trapezoid with diagonals that intersect at point P. If AB || CD , AC = 7y – 30, BD = 4y + 60, and CD = 5y +

14, solve for y
A. 124
B. 164
C. 180
D. 292
Mathematics
2 answers:
Fittoniya [83]3 years ago
7 0

Answer:  B. 164

The value of y =30

The value of CD = 164

Step-by-step explanation:

Properties of isosceles trapezoid:

  • Two sides are parallel.
  • The opposite non-parallel sides are equal.
  • The diagonals are equal.

Given: ABCD is an isosceles trapezoid with diagonals that intersect at point P.  AB || CD

⇒ BC= AD [opposite non-parallel sides]

AC=BD  [ Diagonals are equal]

Since AC = 7y - 30 and BD = 4y + 60

\Rightarrow\ 7y-30=4y+60\\\\\Rightarrow\ 7y-4y=60+30\\\\\Rightarrow\ 3y=90\\\\\Rightarrow\ y=30

The value of CD = 5(30)+14=150+14=164

pentagon [3]3 years ago
3 0
I think its A or B not sure(educated guess)
You might be interested in
What is the x and y intercept of f (x) = -x^2 + 25
Masja [62]

Answer: the x intercept is -5  and the  y intercept is 25.

Step-by-step explanation:

f(x) = -x^2 + 25  

The x intercept is when y is zero and the  y intercept is when x is zero.So input zero into the  expression and solve for y.

-1(0)^2 + 25 = 25 so the y intercept is 25.

0=-x^2 +25  

 -25      -25

-25 = -x^2

x^2 = 25

x = -5   or 5

 

8 0
3 years ago
What's the slope? Help plssss
STALIN [3.7K]

Answer:

-\frac{4}{3}

Step-by-step explanation:

Slope is \frac{y2-y1}{x2-x1} so insert 2 points there and you get -4/3

Please give brainliest.

4 0
2 years ago
Read 2 more answers
What is your guys opinion on Highschool DxD<br> Also here all of my points
Ahat [919]

Answer:

I didnt reeally like the anime but I watched it still.I prefer angels of death still.

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
What is the distance between 5,-6 and 5,6
ira [324]

Answer: 12

Step-by-step explanation:

I will assume those are coordinates.

The distance between 2 points is given by  √ (x2 − x1)^2 + (y2 − y1)^2.

Replacing the values, we get  √ (5 − 5)^2 + (6 − -6)^2 =  √0+144 = 12

5 0
2 years ago
A car travels 30 – miles in
hodyreva [135]

Answer:

45.3 miles/h

Hope this will help you

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • The Beach!
    13·1 answer
  • Solve the following system of equations
    7·1 answer
  • A company sell earbuds for $17 each. At the end of the week,they have sold $731 worth of earbuds.how many earbuds did they sell?
    10·1 answer
  • Someone could help me out to find the answer thanks​
    10·1 answer
  • Y divided by 3 is equal to 15
    9·2 answers
  • Each of three friends—Lin, Jada, and Andre—had the goal of raising $40. How much money did each person raise?
    14·1 answer
  • PLEASE SHOW WORK SO I UNDERSTAND THANKS :)<br> -0.3 * -(11)/(30)
    7·1 answer
  • What is the relationship between ∠FBE and ∠CBD?
    15·1 answer
  • Are solar systems unique to just our sun? Explain.
    11·1 answer
  • Find the MAD of the following 12, 32, 45, 56, 75, 12, and 97
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!