If we call the number "x" then:
x*25%=21
x*25/100=21
x=21*4
x=84
Hope this helps. :)
by multiplication of 15 and 5.81 answer is the
87.15
Answer:
The solution is
. Fourth option
Explanation:
Solve for x:

Move all the terms from the right to the left side of the equation, a zero in the right side:

Join all like terms:

The general form of the quadratic equation is:

Solve the quadratic equation by using the formula:

In our equation: a=1, b=-2, c=-46
Substituting into the formula:



Since 188=4*47

Take the square root of 4:

Divide by 2:

First option: Incorrect. The answer does not match
Second option: Incorrect. The answer does not match
Third option: Incorrect. The answer does not match
Fourth option: Correct. The answer matches exactly this option
Answer:
The square root of three is irrational.
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
y + 1
= 7
y +
= 
y = 40/6 = 20/3 = 6