2 years ago

What is a qualitative graph?

Mathematics

2 answers:

Vinil7 [7]2 years ago

4 0

Qualities graphs are graphs that are used to represent situations that don't necessarily have numerical values.

Fittoniya [83]2 years ago

3 0

There to double curtain situations in a problem

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Sophie [7]

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2 years ago

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.

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2 years ago

A truck and a SUV are 315 miles apart when they start moving towards each other on a straight road. The speed of the SUV is 55 w

dedylja [7]

The answers 50, you would subtract the truck from the SUV.

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2 years ago

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Write an equation of the line passing through the point (6,4) that is perpendicular to the line y=- 1/2x +4

Reil [10]

Hello,

"perpendicular to the line y= - 1/2x +4 "

so y = -1/2x + p

-1/2 × 6 + p = 4 ⇔ -3 + p = 4 ⇔ p = 4 + 3 = 7

y = -1/2x + 7

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2 years ago

What is the solution to the equation by -2(y + 1) = 3(y – 2) + 6?

Vadim26 [7]

Answer: y= -2.5

Step-by-step explanation:

Distribute the -2 and 3 into the parentheses. -6 + 6 cancels out so you are left with 3y on the right side. Add 2y to the right side leaving you with -2=5y. Divide both sides by -2

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2 years ago

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