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notsponge [240]
3 years ago
15

If three-tenths of the visitors were adults and there were 100 visitors , how many visitors were adults ?

Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
5 0
There are 30 adults. Because if there are only three-tenths of adult visitors, you're finding 30% of 100 adult visitors. There are 30 Adults. 
mars1129 [50]3 years ago
4 0
To find the answer you times 3/10 by 100 to find how many visitors were adults, you are finding 30% of the visitors. In this case 3/10 x 100 = 30, so 30 of the visitors are adults. :)
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Write an equation in point-slope form for the line through the given point that has the given slope.
valkas [14]

Answer:

y=mx+b is the formula. So -8=-3x+5 would be the answer..

since (x,y) just substitute these numbers you have it into the formulas... Take y from (5,-8) and place it into y=mx+b. Next take the slope which is -3. And then since its a postive number we <em>add</em> are x from (x,y). -8=-3x+5. We also add x next to the slope (-3) becuase we are trying to solve for x. And we <em>always</em> put it next to the slope. Hope this helps!

6 0
3 years ago
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A barrel of oil was filled at a constant rate of 7.9 gal/min. The barrel had 12 gallons before filling began.
jenyasd209 [6]

The equation that models this situation is z = 7.9y + 12.

A linear equation is a function that has a single variable raised to the power of 1.  An example is x = 4y + 2.

Where:

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  • y = independent variable  

From the equation given, 12 would be the constant, the independent variable would be 7.9 and z would be the dependent variable.

z = 7.9y + 12

Here is the complete question: A barrel of oil was filled at a constant rate of 7.9 gal/min. The barrel had 12 gallons before filling began. write an equation in standard form to model the linear situation.

A similar question was answered here: brainly.com/question/2238405

4 0
2 years ago
50 points decreased by 26%
RoseWind [281]
Get the decimal version of 26% by moving the decimal (at the end) over to spots, giving you .26. Multiply 50 by this, and you get .26*50=13. : )
6 0
3 years ago
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I have an object that is the length is 19 cm and the diameter is 7 mm what is the width.
Readme [11.4K]

Answer:

19*7=133

Step-by-step explanation:

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3 years ago
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Vlada [557]
<h3>Answer:  y = 4</h3>

Explanation:

Line L is the horizontal line. Any point on this line has y coordinate y = 4, so the equation is simply y = 4.

You could say the equation is y = 0x+4, which shows the slope is 0. But I think y = 4 is the better answer.

7 0
3 years ago
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