Answer:
6.25 kg cement, 7.5 L water
Step-by-step explanation:
2.5 kg cement / 4 kg sand = x kg cement / 10 kg sand
x = 6.25
3 L water / 4 kg sand = y L water / 10 kg sand
y = 7.5
Answer:
32
Step-by-step explanation:
x + y = 48
x - y = 16
-----------------
2x = 64
x = 32
32-y = 16
y = 16
Answer:
B. Dog 1's position is Dog 2's position reflected across the x-axis; only the signs of the y-coordinates of Dog 1 and Dog 2 are different.
Step-by-step explanation:
First it is reflected on the x-axis because it is above and below. if its was the y-axis (which it is not) it would be side to side, if that makes sense.
Secondly the x values are the same, they are both -6. So, the y values are the ones that are different.
Х - has Danny
2 - has Carly
--------------------------
9 - have together
x + 2 = 9
x = 9 - 2
x = 7 - has Carly.
Answer:
x = 19
Step-by-step explanation:
just subtract 1 from both sides of the equation
