The distance from Dan's house to Samuel's house is 4 km
The distance from Dan to Samuel house, Dan to Cindy house and Samuel to Cindy house forms a right angled triangle.
Distance from Dan to Samuel house = x, Distance from Dan to Cindy house = 3 km and Distance from Cindy to Samuel house = 5 km
Pythagoras theorem shows the relationship between the lengths of a right angled triangle.
Using Pythagoras theorem:
5² = x² + 3²
25 = x² + 9
x² = 16
x = 4 km
Hence the distance from Dans house to Samuel's house is 4 km
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Y = number of songs she can still download
y + 8 ≤ 11
- 8 -8
------------
y ≤ 3
She can only download 3 more songs
It would be 110 miles. 5×20=100 and half of 20 is 10
If you're solving for P: P = B / J
First, cancel out your X values to get one x on a side. To do this subtract the x that is least in value. X is smaller than 5x, so you have to subtract it.
5x-x= 4x,
Now your new equation is 4x= -12.
Divide both sides by 4.
Answer is X= -3
