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Airida [17]
3 years ago
8

I WILL GIVE BRAINLIEST!!!

Mathematics
1 answer:
zubka84 [21]3 years ago
3 0

Answer:

It has to be the middle one. The 27...

Step-by-step explanation:

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25.5 is what percent of 60
OLEGan [10]
%/100 = is/of 
25.5%/100= x/60
The answer is 15.3

6 0
4 years ago
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A walking path across a park is represented by the equation y=-3x-6. A new path will be built perpendicular to this path. The pa
galben [10]
The equation of the new path would be y=1/3x+4.

Explanation
If two lines are perpendicular, their slopes are negative reciprocals of each other.  The original equation is written in slope-intercept form, y=mx+b, where m is the slope.  In this equation, m=-3=-3/1.

In the new equation, the slope would be the opposite sign and flipped; this means it would be 1/3.

We can use the point given, the slope and slope-intercept form to write the equation of the new line:

y=mx+b
3=1/3(-3)+b
3=1/3(-3/1)+b
3=(-3/3)+b
3=-1+b

Add 1 to both sides:
3+1=-1+b+1
4=b

This makes the equation y=1/3x+4.
6 0
3 years ago
The ratio of hydrogen to oxygen atoms in water molecules is 2 to 1. If the beaker of water contained 4.1 moles of oxygen atoms,
Ad libitum [116K]

Answer:

8.2

Step-by-step explanation:    

We have been given that the ratio of hydrogen to oxygen atoms in water molecules is 2 to 1.      

We can represent this information as: \frac{\text{Hydrogen}}{\text{Oxygen}} =\frac{2}{1}

Let x be amount of moles of hydrogen atoms in water beaker. The proportion of hydrogen and oxygen moles will be same in water beaker.

Upon substituting our values in above proportion we will get,

\frac{2}{1} =\frac{x}{4.1}            

x=2\times 4.1              

x=8.2    

Therefore, the moles of hydrogen atoms in water beaker will be 8.2.

5 0
3 years ago
How many square feet of outdoor carpet will we need for this hole?
Sidana [21]

For this you would want to break this figure up with familar shapes. You can do two triangles and one big rectangle.

First triangle:

(3)(2)(1/2)= 3 feet squared

Second Triangle:

(3)(4)(1/2)= 6 feet squared

Rectangle:

(11)(3)= 33 feet squared

Now you add:

33+3+6= 42 feet squared

So, for this hole you will need 42 feet squared of outdoor carpet

5 0
3 years ago
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Problem solving with fractions
Dmitriy789 [7]
Not understanding this, is there a problem?
5 0
3 years ago
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