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Solve 3x+4=28

First, subtract 4 on both sides:-


Divide by 3 on both sides:-

<h3>Good luck.</h3>
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Answer:
$8.75
Step-by-step explanation:
Given data
Bill= $25
Coupon Discount=15%
Tip= 20%
Let us first find 15% of the $25
=15/100*25
=0.15*25
=$3.75
Let us first find 20% of the $25
=20/100*25
=0.20*25
=$5
Hence the coupon and the tip combined is
=3.75+5
=$8.75
Answer:
16
Step-by-step explanation:
5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80
Answer:
Part 1) The volume of the ball is 256 cm³
Part 2) The radius of the ball is 3.94 cm
Step-by-step explanation:
Part 1) we know that
The density is equal to divide the mass by the volume
D=m/V
Solve for the volume
The volume is equal to divide the mass by the density
V=m/D
In this problem we have
m=128 g
D=0.5 g/cm³
substitute
V=128/0.5=256 cm³
Part 2) what is the radius of the ball?
we know that
The volume of the sphere (ball) is equal to

we have

assume

substitute and solve for r




Triangles add up to 180°, so the answer is 67