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Travka [436]
2 years ago
7

What is the numerator called in a percent problem? What is the denominator called in a percent problem ?

Mathematics
1 answer:
inessss [21]2 years ago
4 0

Answer:

A percentage or percent for short is a fraction; a fraction that always has the denominator as 100. Because the denominator of a percent is always a 100, no matter what the numerator is, we replace 100 with the percent symbol % after the number. By definition, for any number x, x% = x100.

Step-by-step explanation:

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Write the equation of the circle graphed below
Serjik [45]

<u>Given</u>:

Given that the circle is graphed with center (-1,1)

We need to determine the equation of the circle.

<u>Radius</u>:

To determine the radius of the circle, let us simply count the number of units between the center point to any point on the circle.

Hence, from the figure, it is obvious that there are 5 units between the center and any point on the circle.

Thus, radius of the circle is 5 units.

<u>Equation of the circle:</u>

The standard form for the equation of the circle is given by

(x-h)^{2}+(y-k)^{2}=r^{2}

where the center is (h,k) and radius is r.

Substituting the center (-1,1) and r = 5 in the above formula, we get;

(x+1)^{2}+(y-1)^{2}=5^{2}

(x+1)^{2}+(y-1)^{2}=25

Thus, the equation of the circle is (x+1)^{2}+(y-1)^{2}=25

7 0
3 years ago
Problems MM
Darina [25.2K]

Answer:

helloooooo

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7 0
2 years ago
Alliic
pochemuha
First, we need to solve the first equation in order to see what the options need to be equivalent to. our first step to solving this is to distribute -3 through the parenthesis 
y + 5 = -3x + 3
next, move the constant to the right side and change its sign
y = -3x + 3 - 5
calculate the difference
y = -3x - 2
since we cant find x, your final solution for y is y = -3x - 2, x ∈ R
now that we know the solution to that equation, we can now solve the options listed to see which ones are equivalent.
first is y = -3x - 2, which is very simple to solve because y has already been found. since we know y and there is no solution for x, our answer to this equation is y = -3x -2, x ∈ R. since this is the exact same answer as our first equation, we know that the A is equivalent to y + 5 = -3(x - 1)
the next equation is also already solved for y and has no x, so the answer to this equation is y = -4x - 5, x ∈ R. since this is does not have the same answer that <span>y + 5 = -3(x - 1) had</span>, option B is not equivalent.
our next equation is 3x + y = -2 does not provide y for us, so we must solve it.
first, you need to move the variable to the right side and change its sign
3x = -2 - y
now divide both sides of the equation by 3
x = - 2/3 = y/3
write all the numerators above their common denominators
x = - 2 + y/3 
since we dont know what y is, our final solution is
x = - \frac{2+y}{3} , y ∈ R
since this answer does not match the answer we are looking for, option C is not equivalent.  
finally, we must solve -4x + y = -5
the first step to solving this is to move the variable to the right side and change its sign
-4x = -5 - y
divide both sides of the equation by -4
x = 5/4 + y/4
now, write all the numerators above their common denominators 
x = 5 + y/4
since we dont know what y is, our answer is x = \frac{5+y}{4} , y ∈ R
since this is also not equivalent to <span>y + 5 = -3(x - 1), our only answer is option A.
let me know if you have any further questions 
:)</span>
5 0
2 years ago
If there are 40 boys and 60 girls in a room, fill out all of the possible ratios of boys to girls that could be made.
galina1969 [7]

40+60=100. So one person equals 1%, meaning 40% are boys and 60% are girls. By simplifying, we will find that possible ratios below the value of 100 are 40:60, 4:6, 2:3, and 20:30.

8 0
3 years ago
Read 2 more answers
if two points are givin, then exactly one line can be drawn through those two points. which geomerty trem does the statement rep
Natalka [10]

Answer:

the correct answer is

Step-by-step explanation:

hope this helps u!!

8 0
3 years ago
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