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Veronika [31]
4 years ago
8

Explain how finding 7×20 is similar to finding 7×2,000 then find each product

Mathematics
2 answers:
iVinArrow [24]4 years ago
8 0
<h3>Answer:</h3>

7×20=140

7×2,000=14000

<h3>Step-by-step explanation:</h3>

The only thing that changes the product of these numbers is the number of zeros behind the 2.

The number of zeros behind  2 affects how many zeros will be included in the product.

7×2=14

i.e. 7×20=7×2×10

             =14×10

             =140

7×2,000=7×2×1000

             =14×1000

             =14000

MA_775_DIABLO [31]4 years ago
4 0
7x20=140. 7x2000=14000. The only thing that changes the product of these numbers is the amount of zeros behind the 2. Since the only two numbers that affect the answer is the 7 and the 2. (7x2=14). The number of zeros behind the 2 affect how many zeros will be included in the product.
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Find any domain restrictions on the given rational equation:
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Answer:

\dfrac{x}{2 \cdot x + 14} + \dfrac{x - 4}{6} = \dfrac{3}{x^2} + 2\cdot x - 35; Domain \ restriction \ x \neq 0 \   or \  -7

Step-by-step explanation:

The given rational equation is presented here as follows;

\dfrac{x}{2 \cdot x + 14} + \dfrac{x - 4}{6} = \dfrac{3}{x^2} + 2\cdot x - 35

A domain restriction are the limits to the ranges of input values (x-values) of a function

The three main types of domain restrictions are the reciprocal function, the log function, and the root function

The form of restriction in the given rational are reciprocal form, which are;

\dfrac{x}{2 \cdot x + 14}, and \dfrac{3}{x^2}, from which the function is undefined when;

2·x + 14 = 0, therefore when x = -7, or x² = 0, when x = 0

Therefore, the domain restrictions are that the function is defines for all <em>x</em>, except x = -7 and x = 0

The domain restrictions are x ≠ -7 and x ≠ 0.

5 0
3 years ago
Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 15 hours. Together the
olganol [36]
No clue man. You should of Listened to the teacher and took notes. Do better next time.
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Step-by-step explanation:

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For a propular Broadway musical the theater box office sold 356 tickets at $80 apiece,275 tickets for $60 apiece and 369 tickes
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The first step to solving this equation would be to how much they made for every apiece. To do this we must multiply the cost of the $80 apiece by how much they sold, as well multiplying the $45 apiece by how many they sold. And also the $60 apiece by the how many they sold.

$80 apiece × 356 tickets = ?

$60 apiece × 275 tickets = ?

$45 apiece × 369 tickets = ?

Now we must solve our equations.

$80 apiece × 356 tickets = $28,480

$60 apiece × 275 tickets = $16,500

$45 apiece × 369 tickets = $16,605

The next step would be to add up all the total costs of each apiece.

$28,480 + $16,500 + $16,605 = $61,585

So our answer is...

The box office took in a total of $61,585
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