0
Solve this without using log and please show steps. Left parenthesis 4 over 7 right parenthesis superscript x equals 49 over 16?
Wiki User
∙ 9y ago
49/16 = (7^2)/(4^2) = (7/4)^2 = ((4/7)^-1)^2 = (4/7)^-2
Thus as (4/7)^2 = 49/16 and 49/16 = (4/7)^-2
(4/7)^x = (4/7)^-2
Therefore x = -2.
Wiki User
∙ 9y ago
Wiki User
∙ 9y agoYou have :
( 4 / 7 )^x = 49/16 = ( 7 / 4 )^2 = ( 4 / 7 )^-2
Inspection yields:
x = - 2 <------------
Add your answer:
Earn +20 pts
Do you use the distributive property before you multiply inside parenthesis?
3(4*5) Please Excuse My Dear Aunt Sally Parenthesis Exponent Multiply Divide Add Subtract No, inside parenthesis takes the cake on this one before the outside occurs.
Please excuse my dear aunt sally is an acronym for what?
parenthesis, exponents, multiplication division, addition, subtraction
What is PEMDAS meen?
please excuse my dear aunt sally .. parenthesis exponets multiplacation division addition subtract
Where do the parenthesis go 6 plus 6 divided by 6 plus 6 times 6 equals 6?
6 x 6= 3636 divide 6= 66+6=1212-6=6so it equals to 6!
What is acronym for order of operations?
Please-Parenthesis Excuse-Exponents My-Multipication Dear-Division Aunt-Addition Sally-Subtraction
What are the order of operations for math in a formula?
PEMDAS Please excuse my dear aunt sally parenthesis exponents division addition subtraction
What is the answer of this sinA plus 5 equals cos3A plus 25 where in 5 and 25 is in degrees. Please I need it. The quotation mark is a substitute for the parenthesis.?
The principal solution for sin(A + 5) = cos(3A - 25), with angles measured in degrees, is A = 15 degrees.
What is please excuse your dear aunt sally?
Please Excuse My Dear Aunt Sally is an acronym to remember the order of operations in algebraic equations. It stands for Parenthesis, Exponents, Multiply, Divide, Addition, Subtraction.
Which is correct - please site source - placing the punctuation mark before or after a sub or superscript?
The generally accepted practice is to place the punctuation mark before the superscript or subscripts. However, this guideline may vary in specific fields or style guides. The Chicago Manual of Style (17th ed.) recommends placing the punctuation mark before the superscript or subscripts.
How many milliliters are in 1 cubic centimeter Please give the number only without units?
1 milliliter (ml) equals 1 cubic centimeter (cm³).
What is the slope of y-x 1?
It's not possible to answer clearly without knowing where the equality sign is meant to be in the question - next time write "equals" in the question please.
Sentence using the words order of operations?
Please - Parenthesis: (........)Excuse - Exponents: Ex: 42My - Multiplication: x *Dear - Division: /Aunt - Addition: +Sally - Subtraction: -
