Answer:
We have 5% and 25% solutions and we need 300 ml of 10%.
Setting up 2 equations:
A) x + y = 300
B) .05 x + .25 y = (.10 * 300) Multiplying A) by -.25
A) -.25x -.25y = -75 Then adding this to B) we get
-.20 x = -45
x = 225 ml .05% and we use 75 ml of 25%
Source: https://www.1728.com/mixture.htm
Step-by-step explanation:
Answer:
This vector make an angle of 141° with the positive x axis
Step-by-step explanation:
Refer the attached figure
Components of vector :
We are supposed to find What angle does this vector make with the positive x axis
Now ,
So, this vector make an angle of 141° with the positive x axis
X+3y=6
3y=-x+6
y=-(1/3)x+2
m=-1/3
y=mx+c
When y=2, x=-3, m=(-1/3),
2=(-1/3)*(-3)+c
2=1+c
c=1
So, the equation would be:
y=(-1/3)x+1
Hopefully that helps
Answer:
choosing the correct number between 1 and 10
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Step-by-step explanation:
Since,
1 inch=2.5 cm
Therefore,
5.2 inches=2.5×5.2 cm=13 cm
I hope it helped U
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