For what value(s) of k will each relation will not be a function? A={(k^2,16),(4k,32)}

Mathematics

1 answer:

lisov135 [29]2 years ago

8 0

Answer:

12x+4x-7y+45b+78a-44b+1a+1z+0d+1.1a+1.1a

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The circle graph shows Tommy Blox spent the money he earned last summer. If he spent $80 on entertainment, how much did Tommy ea

Studentka2010 [4]

Answer:

Tommy earned $250 altogether.

Step-by-step explanation:

Let the total earning of Tommy be 'x' dollars.

Given:

Money spent on entertainment = $80

From the circle shown below:

Percent spent on clothes = 19%

Percent spent on food = 25%

Percent spent on other things = 14%

Percent of savings = 10%

Addition of all percents = 100%

⇒ 19% + 25% + 10% + 14% + % Entertainment = 100%

⇒ 68% + % Entertainment = 100%

⇒ % Entertainment = 100% - 68% = 32%

Therefore, as per question:

$32\%\ of\ x=\$80\\\\0.32x=80\\\\x=\frac{80}{0.32}\\\\x=\$250\\$

Hence, Tommy earned $250 altogether.

6 0

4 years ago

100 freaking points get it right

stealth61 [152]

Answer:

im sure you know what this means

Step-by-step explanation:

8 0

3 years ago

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Jeremy's car went 300 miles (highway) on 10 gallons of gasoline. What was the average number of miles per gallon?

masya89 [10]

Whenever you see the word "per" you can ALWAYS substitue in the word "divide". When you see "miles per gallon", change "per" into "divided by" to get miles divided by gallons. That is how you will solve the problem.

SO.....
300 miles ÷ 10 gallons = 30 miles per gallon

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4 years ago

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What are the solutions of the equation x^4 + 6x^2 + 5 = 0? Use u substitution to solve.

Radda [10]

Answer:

second option

Step-by-step explanation:

Given

$x^{4}$ + 6x² + 5 = 0