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Grace [21]
2 years ago
12

Rick has 12 action, 15 comedy, and 9 drama DVDS. find the ratio of action DVDS to the total of DVDS. Then explain its meaning ho

w would I do this problem?
Mathematics
2 answers:
krek1111 [17]2 years ago
8 0
Okay, to find the ratio, add up all the numbers of DVDs. 
You should end up with 36 DVDs.

The question states that you need to find the ratio between the action DVDs and the total amount of DVDs.

The amount of action DVDs is 12.

Now take 32 and 12, the ratio of the action DVDs and the total amount of DVDs to get your ratio.

The ratio is 12 out of 31, or 12:32
KATRIN_1 [288]2 years ago
3 0

Answer:

12:36

Step-by-step explanation:

There are 12 Action DVDS for every 36 total DVDS.

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Una señora compro medio kilo de pescado y 450 gramos de carne de res. ¿Cuánto le falta para completar el kilo?
matrenka [14]

Answer:

LE FALTA 50 gr

Step-by-step explanation:

PESCADO MEDIO KG= 500 gr

CARNE DE RES= 450 gr

500+450=950 gr

1000 - 950= 50 gr

8 0
2 years ago
PLZ HELP PLZ
Step2247 [10]

The single digit to the left of the vertical line is the tens units, the numbers to the right are the ones.

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3 0
3 years ago
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What is the equation of the line?
spin [16.1K]

Answer:

y=1/2x+2

Step-by-step explanation:

You want to find the equation for a line that passes through the two points:

(0,2) and (-4,0).

First of all, remember what the equation of a line is:

y = mx+b

Where:

m is the slope, and

b is the y-intercept

First, let's find what m is, the slope of the line...

The slope of a line is a measure of how fast the line "goes up" or "goes down". A large slope means the line goes up or down really fast (a very steep line). Small slopes means the line isn't very steep. A slope of zero means the line has no steepness at all; it is perfectly horizontal.

For lines like these, the slope is always defined as "the change in y over the change in x" or, in equation form:

So what we need now are the two points you gave that the line passes through. Let's call the first point you gave, (0,2), point #1, so the x and y numbers given will be called x1 and y1. Or, x1=0 and y1=2.

Also, let's call the second point you gave, (-4,0), point #2, so the x and y numbers here will be called x2 and y2. Or, x2=-4 and y2=0.

Now, just plug the numbers into the formula for m above, like this:

m= 0 - 2-4 - 0 or... m= -2-4 or... m=1/2

So, we have the first piece to finding the equation of this line, and we can fill it into y=mx+b like this:

y=1/2x+b

Now, what about b, the y-intercept?

To find b, think about what your (x,y) points mean:

(0,2). When x of the line is 0, y of the line must be 2.

(-4,0). When x of the line is -4, y of the line must be 0.

Because you said the line passes through each one of these two points, right?

Now, look at our line's equation so far: y=1/2x+b. b is what we want, the 1/2 is already set and x and y are just two "free variables" sitting there. We can plug anything we want in for x and y here, but we want the equation for the line that specfically passes through the two points (0,2) and (-4,0).

So, why not plug in for x and y from one of our (x,y) points that we know the line passes through? This will allow us to solve for b for the particular line that passes through the two points you gave!.

You can use either (x,y) point you want..the answer will be the same:

(0,2). y=mx+b or 2=1/2 × 0+b, or solving for b: b=2-(1/2)(0). b=2.

(-4,0). y=mx+b or 0=1/2 × -4+b, or solving for b: b=0-(1/2)(-4). b=2.

See! In both cases we got the same value for b. And this completes our problem.

The equation of the line that passes through the points

(0,2) and (-4,0)

is

y=1/2x+2

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Studentka2010 [4]
The answer is 3.12 kilogram for each
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The mean will be 5 points higher...so...c would be the answer!
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