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3 years ago

$394.63781 Round to the nearest dollar

Mathematics

2 answers:

DiKsa [7]3 years ago

7 0

$395 would be your answer
.6 is higher than .4 so the dollar amount would go up one.
hope this helps

max2010maxim [7]3 years ago

3 0

Hello,

Here is your answer:

The proper answer to your question is "$390.00

Here is how:

394.63781=$390

Your answer is $390!

If you need anymore help feel free to ask me!

Hope this helps!

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7+4(r+3)=9r-6 show work pls AND HELP ASAP

ivanzaharov [21]

$\: \: \: \: \: \:$

$= \: \: \: \: r = 5$

Step-by-step explanation:

$7 + 4(r + 3) = 9r - 6$

distribute 4 through the parentheses

$7 + 4r + 12 = 9r - 6$

add numbers

$19 + 4r = 9r - 6$

move the variable to the left hand side and change its sign

$19 + 9r = - 6$

move the constant to the right hand side and change its sign

$4r - 9 = - 6 - 19$

collect like terms

 $- 5r = - 6 - 19$ 

calculate the difference

$- 5r = - 25$

divide both sides of the equation by -5

 $= \: \: \: \: r = 5$ 

<h2>hope it helps</h2>

7 0

3 years ago

one family spends $134 on 2 adult tickets and 3 youth tickets at an amusement park. Another family spends $146 on 3 adult ticket

Eddi Din [679]

Answer:

Let x be the price of an adult ticket and y be the price of a youth ticket.

One family spends $134 on 2 adult tickets and 3 youth tickets so we can write: 2x+3y=134

Another family spends $146 on 3 adult tickets and 2 youth tickets so we can write: 3x+2y=146

We need to find y so we eliminate x. Multiply (1) by 3 and (2) by 2 to obtain (3) and (4): 6x+9y=402

6x+4y=292

Subtract (3) and (4) and solve for y: 5y=110

y=22→$22

Step-by-step explanation:

3 0

2 years ago

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12 7 t = 47 yes or no

Sholpan [36]

Is the 12 and 7 together or.....

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3 years ago

To keep heating costs down for a structure, architects want the ratio of surface area to volume as small as possible. An express

lys-0071 [83]

The answer is 5/6

Hope this helps!

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3 years ago

What is the scientific notation of 1,980,000,000

cupoosta [38]

1.98x10^9. move the decimal until you have one number in front of it. then keep the numbers that are not 0 after it. then count how many places you moved the decimal point and that's your power.

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3 years ago