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3 years ago

Drag each equation to show if it could be a correct first step to solving the equation 2(x+7)=36

Mathematics

2 answers:

sdas [7]3 years ago

7 0

2(x + 7) = 36 |use distributive property

(2⋅x)+(2⋅7)=36

2·x+2·7=36

2x + 14 = 36

2(x + 7) = 36 |:2

x + 7 = 18

Answer (bold expressions).

mylen [45]3 years ago

6 0

Answer:

yes

Step-by-step explanation:

yes no mabey so

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Step-by-step explanation:

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3 years ago

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3 years ago

The time period, T, of a simple pendulum is directly proportional to the square root of the length, d, of the pendulum.

bearhunter [10]

Answer: T= 3.54

Step-by-step explanation:

Step 1

Given that

The time period, T, s doirectly proportional to the square root of the length, d, of the pendulum, we have that

T ∝ $\sqrt{d}$

Introducing the constant of proportionality, we have that

T= K $\sqrt{d}$ .

Step 2

When d=6, T=5, K =?

T= K $\sqrt{d}$ .

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5= k x 2.44949

k =5/2.44949

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Therefore, when d = 3 , T= ?

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3 years ago