1. Classify the situation as direct or inverse variation.

Mathematics

2 answers:

ki77a [65]3 years ago

8 0

1. and 2. is the same question, so the answer to both is direct variation

3. Direct variation

4. Inverse variation

5. I believe it is Inverse, but I'm not 100% certain

castortr0y [4]3 years ago

3 0

Answer:

1. and 2. Direct variation

3. Inverse variation

4. Direct variation

5. Direct variation

Step-by-step explanation:

In direct variation if one variable increase the other one also increase

In inverse variation if one variable increase the other one decrease

1. and 2. Direct variation. As the number of washes increase the cost increase.

3.Inverse variation. If x increase, y has to decrease so that their multiplication remains the same

4. Direct variation. If y increase, x has to increase so that their division remains the same

5. Direct variation. As you spend more time travelling the distance you travel increase

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lidiya [134]

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4 years ago

Number 5 ABC or D? Please help

RoseWind [281]

Answer:

Step-by-step explanation:

you want to solve it out

start with multiplying z to each. you don't multiply it to the 6 because it is in the same parenthesis set, but you multiply it to everything in the other set. After multiplying, you get: $2z^3$ , $3z^{2}$ , $5z$

now do that to the 6. After multiplying you get: $12z^{2}$ , $18z$ , $30$

now set it all next to each other $2z^3$ + $3z^{2}$ + $5z$ + $12z^{2}$ + $18z$ + $30$

now combine like terms. start with the to the highest power. since there is only one that has a third power, you put that one first. then you combine the squared ones, and so forth.

work combining the squares: $3z^{2} + 12z^{2} = 15z^{2}$