Answer:
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Step-by-step explanation:
1. 2(x-4)=8 . distribute
2x-8=8 at 8 both sides
2x=16 divide by 2
x=8
2. 3(x-5)=6 distribute
3x-15=6 add 15
3x=21 divide by 3
x=7
3. 4(x-6)=12 distribute
4x-24=12 add 24
4x=46 divide by 4
x=11.5
4. 5(x-2)=10 distribute
5x-10=10 add 10
5x=20 divide by 5
x=4
5. 6(x-1)=18 distribute
6x-6=18 add 6
6x=24 divide by 6
for question 1 the answer is 1.5 cm
for question 2 the answer is 0.75 cm
for question 3 the answer is 2.3 inches
for question 4 the answer is 3.3 inches
for question 5 the answer is 4 cm
for question 6 the answer is 0.75 inches
origional price of $32.
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new price- $35.20
12 + 8 + 12 + 4
Using the rule of radicals
× ⇔
Given
(4 + 2 )(3 + 2 )
Each term in the second factor is multiplied by each term in the first factor, that is
4 (3 + 2 ) + 2 (3 + 2 ) ← distribute both parenthesis
= 12 + 8 + 12 + 4