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2 years ago

Solve the system of equations using substitution. Show your work in the workspace provided below.

Mathematics

1 answer:

Usimov [2.4K]2 years ago

6 0

1. X= -1/2 and 2. X= 1/3

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9n + 18(2n - 6) + 13 No Links plz

fgiga [73]

Answer:

9n+18(2n-6)+13

Step-by-step explanation:

First, use distributive property to eliminate the parenthesis:

9n + 18(2n -6) + 13

9n + 36n - 108 + 13

Next, combine like terms:

9n + 36n - 108 + 13

45n - 108 + 13

45n + 121

Hope this helps!!

Alan~

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2 years ago

What is the product of 76 and 6.0 x 10^2 expressed in scientific notation?

victus00 [196]

Answer: 676

Step-by-step explanation: 6.0 x 10^2=600 600+76=676

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3 years ago

Rápido y fácil, trigonometría. Urgente porfavor

enot [183]

Answer:

The angle $\theta$ measures approximately $28.81^o$

Step-by-step explanation:

Since this problem involves the finding of an angle in a right angle triangle for which we know the opposite side and the adjacent side, the trigonometric function that relates them is the tangent:

$tan(\theta)=\frac{opposite}{adjacent}$

Then, for our case we get a starting equation that reads:

$tan(\theta)=\frac{opposite}{adjacent} \\tan(\theta)=\frac{7.7}{14}$

and for which we need to solve for $\theta$ . Then we use the arctangent function to get the final answer:

$tan(\theta)=\frac{7.7}{14} \\\theta=arctan(\frac{7.7}{14})\\\theta= 28.81^o$

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3 years ago

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Lesechka [4]

I think that it’s 16 probably

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2 years ago

Carl has 1,064 legos. sharon has 19 time the amount of legos. how many legos does sharon have

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1064 x

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Sharon has 20216 legos

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