23-08-2017
Mathematics

contestada

#34. If AD= 12 and AC= 4y- 36, find the value of y. Then find AC and D.C.

34 If AD 12 and AC 4y 36 find the value of y Then find AC and DC class=

Respuesta :

ivycoveredwalls ivycoveredwalls

23-08-2017

The marks on the diagram show that D is the midpoint of AC. So the length of AC is 24. It is also 4y - 36, so

4y - 36 = 24
4y = 60
y = 15

Can you finish it?

Answer Link

Otras preguntas

One number is 2 more than 3 times another. Their sum is 22. Find the numbers.

Counsuela is three times as old as Mary. In 10 years she will be only twice Mary's age. How old was Councuela 4 years ago?

If √6 is the geometric mean between 6 and another number, then the number is 1 2 6

Which function has a vertex at the origin? f(x) = (x + 4)2 f(x) = x(x – 4) f(x) = (x – 4)(x + 4) f(x) = –x2

how has the pursuit of order infringed on american liberties

Karen wants to distract her noisy four-year-old child at a restaurant. She pulls out a bag that has 4 black marbles, 8 red marbles, and 9 green marbles. The chi

Over the last three evenings, Yoko received a total of 73 phone calls at the call center. The third evening, she received 3 times as many calls as the first eve

42xy-49x+30y-35 factored completely and is it prime or not

What type of triangle is formed by joining the points D(7, 3), E(8, 1), and F(4, -1)?

Daniel, Emily and Thalia are attending an athletic camp this summer. They were told they had to monitor the amount of water they drink daily. The first day, Dan