Answer:
Step-by-step explanation:
Let the age of of Mrs brook be x
Age of her son be y
If Mrs.Brooks lacks 7 years from being five times as old as her son, this means;
x = 5y - 7 ..... 1
six years from now;
Mrs brooks age = x + 6
sons age = y + 6
If Six years from now she will lack 3 years from being three times as old as her son, this means;
x+ 6 = 3(y+6) - 3
x+6 = 3y + 18 - 3
x+6 = 3y + 15 .... 2
substitute 1 into 2;
(5y - 7)+6 = 3y + 15
5y - 1 = 3y + 15
5y-3y = 15 + 1
2y = 16
y = 8
substitute y = 8 into equation 1;
x = 5y - 7
x = 5(8)-7
x = 40-7
x = 33
Hence the mrs brook is 33 years old
her son is 8 years old
Answer:
3/7 and 4/14
Step-by-step explanation:
a) 3/7 is not an equivalent of 6/21 because when you multiply the numerator and the denominator by 2 you get: 6/14
b) 4/14 is not an equivalent
Y=mx+b
if you know the slope and the x value, along with the y intercept number (b) you can figure out what y is.
Answer:
Yes
Step-by-step explanation:
Let's pick 2 bionomials for this proof.
(3x+4) and (2x-4)
If we subtract (2x-4) from (3x+4) we will be left with x to the first power, which is a monimal.
So yes, you can subtract a binomial from another binomial and get a monomial.
Hope this helps!
The exponent property that should be applied is the quotient of a power property. Option A
<h3>
What are index forms?</h3>
Index form of a number can be defined as the power or exponent raised to a number or variable.
It is also known as the standard form of a number.
<h3>What is the quotient of a power property?</h3>
The quotient of a power property states that the power of a quotient is equivalent to the quotient that is obtained when the numerator and denominator are each raised to a particular power differently, before the division is carried out.
It is used to simplify the problem of division involving exponents.
Given the expression;
3r³b^5/9b
Take the inverse exponent of the divisor
3r³b^5 × b^-1/ 9
Divide the common factors
r³b^5 × b^-1/3
Add the common exponents
r³b^4/3
Thus, the exponent property that should be applied is the quotient of a power property. Option A
Learn more about index forms here:
brainly.com/question/1908137
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