Please help i hate algebra this is so confusing 30 pts

Mathematics

2 answers:

jekas [21]2 years ago

7 0

Yeah that’s correct ...........///

Tom [10]2 years ago

3 0

you got it correct.............................

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Elena has a washing machine with a 20 gallon capacity. She always uses a 20 gram measure of soap for every 10 gallons of water.

baherus [9]

Answer:

For $20$ minutes Elena add water to correct the error.

Step-by-step explanation:

The capacity of the washing machine is $20$ gallons.

She uses $20$ gram soap for $10$ gallon of water

Her son by mistake dissolved $60$ grams of soap to $10$ gallons of water.

$\[60\]-$ gram soap is right for $30$ gallons of water, thus $20$ gallon of water must be added more.

She pore water $2$ gallons per minute thus, $20$ gallons of water will take $10$ minutes.

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2 years ago

1b. What is g(-5)? *

ivolga24 [154]

Answer:

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Step-by-step explanation:

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3 years ago

15x+1200=y what is the change in the total cost for each book printed? What is the cost to get started before any books are prin

Mrac [35]

The total cost before books are printed is $1200 (the constant).

The change to the total cost is the x, which is a variable, and can change depending on the amount of books printed.

hope this helps

6 0

2 years ago

Assume that f is continuous on [-4,4] and differentiable on (-4,4). The table gives some values of f'(x) x: -4, -3, -2, -1, 0, 1

kondaur [170]

$f$ will be increasing on the intervals where $f'(x)>0$ and decreasing wherever $f'(x)$ . Local extrema occur when $f'(x)=0$ and the sign of $f'(x)$ changes to either side of that point.

$f'(x)$ is positive when $x$ is between -4 and some number between -2 and -1, and also 2 (exclusive) and 4, so you can estimate that $f(x)$ is increasing on the intervals [-4, -2] and (2, 4].

$f'(x)$ is negative when $x$ is between some number between -2 and -1, up to some number less than 2. So $f(x)$ is decreasing on the interval [-1, 1].

You then have two possible cases for extrema occurring. The sign of $f'(x)$ changes for some $x$ between -2 and -1, and again to either side of $x=2$ .