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3 years ago

Assume that the city of Dallas is in the state of Texas. Which statement is definitely NOT true?

Mathematics

1 answer:

OverLord2011 [107]3 years ago

4 0

I would need some choices to help you otherwise there's not much i can do to help.

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13) (-2. – 5v).- (-4v – 2)<br> Can you help a girl out

irga5000 [103]

Answer:

If simplifed, it'll be -v

Step-by-step explanation:

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3 years ago

Find the measure of angle A

Nataly [62]

Answer:

so 2x+3x+130=180

so 5x+130=180

5x=50

so 2x =20

3x which is angle a is equal to 30 degree

4 0

3 years ago

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What is 6.549 to the nearest tenth

Afina-wow [57]

It would be 6.5. The 5 after the decimal would stay the same since the number after it isn't greater than 5

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3 years ago

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Fun fact: If you put fun fact in front of a statement, people will click on it and read it. (Now answer)

vichka [17]

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2 years ago

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The cost of 7 chairs and 2 tables is equal.If the cost of 6 chairs and 5 tables is 10575, find the cost of 12 chairs.

Igoryamba

Answer:

5400

Step-by-step explanation:

Let x represent the cost of a chair and y represent the cost of a table. We can use this to set up a system of equations:

7x=2y

6x+5y=10575

We can solve this system using substitution.

Start by rewriting the first equation in terms of x.

$7x=2y\\\text{Divide both sides by 7}\\x=\frac{2}{7}y$

Substitute this into the second equation:

$6(\frac{2}{7}y)+5y=10575\\\frac{12}{7}y+5y+10575\\\frac{12}{7}y+\frac{35}{7}y=10575\\\frac{47}{7}y=10575$

Multiply both sides by 7

$47y=74025$

Divide both sides by 47

$y=1575$

This means...

$7x=2(1575)\\7x=3150$

Divide both sides by 7

$x=450$

One chair costs 450. Now, multiply this number by 12 to find the cost of 12 chairs.

$450*12=5400$

12 chairs cost 5400.

7 0

2 years ago