Answer:
(2,-9)
Step-by-step explanation:
-2+4=2
-7-2=-9
down=negative
right=positive
left=negative
up=positive
We find the length of AD using the similarity of right triangle property. See image attached.
AD² = BD × CD
AD² = 9 × 36
AD² = 324
AD² = 18²
AD = 18
The length of AD is 18 units
Answer:
the answer is 2. so it is 2
Step-by-step explanation:
2 ➕ 2 is 4
The errors are that she is just multiplying incorrectly.
10* 1.75 = 17.5
100* 1.75= 175
1000* 1.75 = 1750
When you are multiplying by tens (hundreds and thousands are also considered tens since they are just 10*10 and 10*10*10), you should just be moving the decimal place forward one place.
This goes back to very basic math when you are learning place values.