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JulijaS [17]
3 years ago
13

Given the following formula, solve for l. (look at picture for question)

Mathematics
2 answers:
kirill [66]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Given

P = 2(l + b) ← distribute parenthesis

P = 2l + 2b ( subtract 2b from both sides )

P - 2b = 2l ( divide both sides by 2 )

\frac{P-2b}{2} = l → D

Anvisha [2.4K]3 years ago
6 0

Answer:

D

Step-by-step explanation:

You have P=2(l+b)

First, you expand the right side of the equation and get P=2l+2b

Next, you subtract 2b from each side to get P-2b = 2l

Then divide by 2 to get l = (P-2b)/2

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Answer:Teo's age = 7 years ,Richard's age = 19 years

Step-by-step explanation:

Step 1

Let Teo's age be represented as x

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and their combined ages equaling 26 can be expressed as

x + 5+ 2x = 26

Step 2 --- SOLVING

x + 5+ 2x = 26

3x+ 5= 26

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3x= 21

x = 21/3

x = 7

Teo's age = 7 years

Richard's age = 5+2x= 5 + 14= 19 years

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3 years ago
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3 years ago
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Marizza181 [45]
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3 years ago
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