Answer:
1.33
because you have to divide
Multiply 6x5= 30, 30 + 4 = 34
Then 7x5= 35, 35 + 4 = 39
34+39 = 73
73/5 = 14.6 or 14 3/5
Answer:
Point form-
(3,-2)
Equation Form:
x=3, y=-2
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
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Answer:
133.33g
Step-by-step explanation:
Let the:
Mass of 1.2g/cm³ of liquid = x
Mass of 1.8g/cm³ of liquid = y
From our Question above, our system of equations is given as:
x + y = 400........ Equation 1
x = 400 - y
1.2 × x + 1.8 × y = 1.6 × 400
1.2x + 1.8y = 640..... Equation 2
We substitute, 400 - y for x in Equation 2
1.2(400 - y) + 1.8y = 640
480 - 1.2y + 1.8y = 640
- 1.2y + 1.8y = 640 - 480
0.6y = 160
y = 160/0.6y
y = 266.67 g
Solving for x
x = 400 - y
x = 400 - 266.67g
x = 133.33g
Therefore, the mass of the liquid of density 1.2g/cm³ is 133.33g
