What is the exact distance between the point (-2,-1) and the point (6,8)

Mathematics

2 answers:

RUDIKE [14]4 years ago

6 0

The answer is B. Use distance formula...

$d = \sqrt{(6 + 2) {}^{2} + (8 + 1) {}^{2} }$

gavmur [86]4 years ago

5 0

I think he is right because he is

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The number 1,254 is divisible by all of the following, except _____. 6 2 3 9

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Answer:

The number 1,254 is divisible by all of the following, except 9

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3 years ago

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sergiy2304 [10]

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Josie sold 790 tickets to a local car show for a total of $4,390.00. A ticket for a Child costs $4.00 and adult ticket costs $7.

Papessa [141]

Let's define the following variables first.

A = number of tickets sold for adults

C = number of tickets sold for children

From the question, we can say that or form the following equations:

1. A + C = 790 tickets

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The first equation can also be written as A = 790 - C. We can use this equation and replace "A" in the second equation.

$7(790-C)+4c=4,390$

From that, we can solve "C" by solving the equation formed above.

$\begin{gathered} \text{Distribute 7 to the terms inside the parenthesis.} \\ 7(790)-7(C)+4C=4,390 \\ 5,530-7C+4C=4,390 \\ \text{Subtract 5,530 on both sides of the equation.} \\ -7C+4C=-1140 \\ -3C=-1140 \\ \text{Divide -3 on both sides.} \\ C=380 \end{gathered}$

Therefore, 380 tickets for children were sold.

Since there are 790 tickets in total that are sold and 380 tickets for children were sold, we can say that 410 tickets for adult was sold.