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gizmo_the_mogwai [7]
3 years ago
13

There are 12 boys and 15 girls in my classroom. What is the ratio of girls to total students in the classroom?

Mathematics
1 answer:
Anit [1.1K]3 years ago
6 0

I acidently removed the stuff but anyways the answer is 12:27 or 12 to 27

do 12 + 15 = 27, and so 12 to 27 :)

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V=x/t<br> How do I solve for T
777dan777 [17]

When solving for a variable in an equation, get it separated from the others onto one side typically the left hand side and rest onto the opposite side usually the right hand side.

V = x / t

First, let us get the 't' variable out of denominator position and then it will be easier to work with.

V * t = (x / t) * t

Why did I multiply each side by 't' and not just the "x / t" expression? That is because every operation we do on one side, we must also do on the opposite side.

Okay, now we get the following equation.

V * t = x

We removed the 't' variable from denominator and in fact, it doesn't even exist anymore on the right hand side!

To complete this question, all we have to do is divide each side by 'V' and we are done!

(V * t) / V = x / V

Comes out to:

t = x / V

And there is your answer! Hope this helps with your adventure in learning Algebra!

6 0
3 years ago
The angle of elevation of the top of a tower from a point 42 metres away from it's base on level ground is 26 degrees. find the
Hatshy [7]

Answer:

20.485 Meters

Step-by-step explanation:

So first you wanna draw a diagram.  Start with the tower, then on the ground to the left (or right) draw a point.  The point will be labeled as 42 m away from the tower.  Now draw a line from that point to the top of the tower.  This makes your triangle, and that angle you just drew that touches the point is 26 degrees.

Now, since you have a right triangle you can use trig.  You know an angle and a side.  Specifically, relative to the 26 degree angle you know the adjacent angle and want the opposite, which is the tower.  So opposite and adjacent is tangent.  So you set up tan(26) = o/42 where o is the opposite side.  

So solving you get o = 20.485 meters

3 0
3 years ago
Need help asap the graphs below have the same shape. what is the equation of the red graph?
exis [7]

Answer:

The highlighted one is correct

B F(x) = 2 - x²

Step-by-step explanation:

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2 years ago
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PIT_PIT [208]

Answer: The answer is B

Step-by-step explanation:

Because it says its roaring like a freight train meaning it is loud and powerful like a train.

6 0
2 years ago
I need help with 8 divided by 21
Mademuasel [1]
0.380952 then the numbers repeat
8 0
2 years ago
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