2 years ago

Mathema

Mathematics

1 answer:

murzikaleks [220]2 years ago

8 0

9514 1404 393

Answer:

(3) 12

Step-by-step explanation:

Let x represent the length of leg XY. Then the length of YZ is x/2 and the area of the right triangle is ...

A = 1/2bh

A = 1/2(x)(x/2) = x²/4

36 = x²/4 . . . . . use the given value for area

144 = x² . . . . . . multiply by 4

√144 = 12 = x . . . . . take the square root

The length of leg XY is 12 cm.

You might be interested in

Function or not a function

Aliun [14]

Answer:

not a function

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

When Devon cashed a $450 check at the bank, the teller gave him 18 bills, all $20 bills and $50 bills. Which system of equations

Ymorist [56]

You have two totals: total # of bills and total amount of $. Using x as #of 20s, and y as # of 50s, you can use the system
x+y=18
20x+50y=450

4 0

3 years ago

Read 2 more answers

Jim is M years old. His daughter is 21 years yonger than him. How old is Jim's daughter. Express your answer in terms of M.

Liula [17]

Answer:

M-21=

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

At Cooper High School, jazz band is only offered as a zero-hour (before school) class. Dan has a zero-hour class. Conjecture: Da

lilavasa [31]

I would say this is false because Dan may be in another zero hour class.

C.

7 0

3 years ago

15.75 ÷ 0.25 using the standard algorithm for division.

mina [271]

63 due to .25 being 1/4 so 15 times four is 60 and 75 divided by 25 is 3

3 0

3 years ago