75% of ? = 30 helppp
2 answers:
Answer:
So 75% of 40 = 30.
Step-by-step explanation:
Hello!
Let's represent this as an equation so its easier to understand and solve.
We can represent any number as "n," and 75% as .
· n = 30
Multiplying by 100 to get rid of the fraction:
75n = 3000
Dividing by 75:
n = 40.
So 75% of 40 = 30.
The number is .
Hope this helps!
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<h2>Answer:</h2>
The quadratic function are:
option: A A) y(y + 4) - y = 6
Option: C C.) 4b(b) = 0
<h2>Step-by-step explanation:</h2>We know that the general equation of a quadratic equation in terms of a variable x is given by:
A)
y(y + 4) - y = 6
On simplifying the terms we have:
Hence, option: A is correct.
B)
(3x + 2) + (6x - 1) = 0
Hence, it is a linear equation.
Hence, option: B is incorrect.
C)
4b(b) = 0
it could also be written as:
Hence, it is a quadratic equation.
Hence, option: C is correct.
D)
3a - 7 = 2(7a - 3)
which is again a linear equation.
Hence, option: D is incorrect.