Answer:
1:2
Step-by-step explanation:
The relationships in the table below are functions. Write a function rule.
Answer: y = 25x + b
Step-by-step explanation:
What is each logarithm expanded?
b. log₃9x⁵
If the expression is log₃9x⁵,then the expanded form of this expression is [tex]log_{3}[/tex]9 +5[tex]log_{3}[/tex]x.
Given that the expression is log₃9x⁵.
We are required to find the expanded form of the expression.
Product property of logarithms says that the logarithm of a product is equal to a sum of logarithms and because logs are exponents, and we multiply like bases, we can add the exponents.
The expression is log₃9x⁵.
log₃9x⁵=is [tex]log_{3}[/tex]9 +[tex]log_{3}[/tex][tex]x^{5}[/tex]
= [tex]log_{3}[/tex]9 +5[tex]log_{3}[/tex]x
Hence if the expression is log₃9x⁵,then the expanded form of this expression is [tex]log_{3}[/tex]9 +5[tex]log_{3}[/tex]x.
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Simplify each expression.
10¹/₂ . 10¹/₂
The result of simplifying each number 10¹/₂ . 10¹/₂ using the exponent rules is 10
To solve this exercise we have to resolve algebraic operations following the exponent rules.
10¹/₂ . 10¹/₂
Using the product rule that indicates that: the exponent result will be the addition of these exponents, we have:
10(¹/₂⁺¹/₂)
10(²/₂)
10¹
10
What is an exponent?In mathematics an exponent is the number of time that a number, called (base) is multiplied by itself. It is also called, power or index.
Example: 3² = 3*3 = 9
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For each function, find the inverse and the domain and range of the function and its inverse. Determine whether the inverse is a function. f(x)=1/(x+1)x²
Answer to this question is:
Domain of given function is (-∞,-1)∪(-1,0)∪(0,∞),{x|x≠0,-1}
Range of given function is (-∞,0)∪(0,∞),{y|y≠0}
Inverse of given function does not exist
The domain is all values of x that make the expression defined.The entire range of independent variable values is the domain of a function.
This definition can be stated simply as follows: The domain is the collection of all x-values that can be used to make the function "work" and produce actual y-values.
When choosing the domain, keep in mind that a fraction's denominator (bottom) cannot be 0.
Interval Notation:(-∞,-1)∪(-1,0)∪(0,∞)
Set-Builder Notation:{x|x≠0,-1}
The set of all valid y values constitutes the range..Graph may be used to find the values.
Interval Notation:(-∞,0)∪(0,∞)
Set-Builder Notation:{y|y≠0}
For calculation of inverse:
There is no inverse for any function that is not strictly monotonic. Whenever the first derivative of a function is ALWAYS zero, positive, or ALWAYS negative, the function is said to be monotonic. Basically, a function does not have an inverse function if there are two inputs for which the output is the same.
∴Domain of given function is (-∞,-1)∪(-1,0)∪(0,∞),{x|x≠0,-1}
Range of given function is (-∞,0)∪(0,∞),{y|y≠0}
Inverse of given function does not exist.
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HELP PLS
At first, the fruits in a plantation were packed equally into 30 boxes. After this, 3 of the boxes were unpacked and the fruits in these 3 boxes were packed into the remaining 27 boxes. As a result, the number of fruits in each of the remaining box increased by 8. How many fruits were there in each box at first?
Mr Tan had 35 pencils and 42 notebooks. He wanted to give all of them to his students. However, he realised that he was short of 1 pencil and had an extra 2 notebooks. What was the maximum number of students Mr Tan had?
Mr. Tan has a maximum of 76 students in his class, so he will have to give each one 36 pencils and 40 notebooks.
What are Arithmetic operations?Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions.
We have been given that
Mr. Tan had 35 pencils and 42 notebooks
All of them to his students that he was short of 1 pencil and had an extra 2 notebooks.
Here the number of pencils = 35 and
the number of notebooks = 42 and
As per the given situation,
Therefore the required solution would be
maximum number of students = number of pencils + 1 + number of notebooks - 2
maximum number of students = 35+1+42-2 = 76
Therefore, Mr. Tan had 76 students.
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solve the equation for y. 2/5x+y=7
Please help, I struggle with word problems. Thank you.
There are 200 marbles in a box. All the marbles are either red or blue. If there are 40 more red marbles than blue, how many red marbles are in the box?
HELP ! Due today, will mark brainly
The measures of the angles are
TLN = 51 degrees, NLM = 129 degrees and MZQ = 129 degreesJZQ = TLN = 99 degreesLMO= ZMR = 34 degrees and LMR = y = 166 degreesHow to determine the measures of the angles?1. Angle TLN, MZQ and NLM
The angles TLN and NLM are supplementary angles
So, we have
TLN + NLM = 180
This gives
3x - 18 + y = 180
Also, we have
TLN + MZQ = 180
So, we have
3x - 18 + 5x + 14 = 180
Evaluate the like terms
8x -4 = 180
This gives
8x = 184
Divide
x = 23
Substitute x = 23 in 3x - 18 + y = 180
3 x 23 - 18 + y = 180
Evaluate
51 + y = 180
So, we have
y = 129
The above computations imply that:
TLN = 3 x 23- 18 = 51 degrees
NLM = y = 129 degrees
MZQ = 5 x 23 + 14 = 129 degrees
2. Angle JZQ and TLN
The above means that
JZQ = TLN
So, we have
9x + 9 = 8x + 19
Evaluate
x = 10
So, we have
JZQ = TLN = 9 * 10 + 9
JZQ = TLN = 99 degrees
3. Angle ZMR, LMO and LMR
The angles ZMR and LMO are congruent angles
So, we have
ZMR = LMO
This gives
x + 14 = 2x - 6
Evaluate
x = 20
Also, we have
LMR + LMO = 180
So, we have
y + 2x - 6 = 180
y + 2 x 10 - 6 = 180
y + 14 = 180
So, we have
y = 166
The above computations imply that:
LMO= ZMR = 20 + 14 = 34 degrees
LMR = y = 166 degrees
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If the Social Security tax is 6% of a person's wages, what would the Social Security tax on wages of $80 be?
Answer: $4.8
Step-by-step explanation:
80*0.06=4.8
Question 10 of 10
Which of the following is most likely the next step in the series?
Answer:
A
Step-by-step explanation:
each step has added one extra side you might have trouble thinking it’s d but the pattern is x color (I’m colorblind) blue x blue so your answer is a
which of the following expressions is equivalent to 2^4x-5
Si por el consumo de 80m de agua se pagan $57 ¿cuánto se pagaron por 50m de agua?
Solve each equation. Check for extraneous solutions. √x-3=x-5
the extraneous solution for the equation √ x - 3 = x - 5 is x = 4 or x = 7.
We are given an equation:
√ x - 3 = x - 5
Raise both sides to the power 2, we get that:
x - 3 = ( x - 5 )²
x - 3 = x² + 25 - 10 x
x² - 10 x - x + 25 + 3 = 0
x² - 11 x + 28 = 0
x² - 7 x - 4 x + 28 = 0
x( x - 7) - 4( x - 7) = 0
( x - 4 ) ( x - 7 ) = 0
x = 4 or x = 7.
Therefore, we get that, the extraneous solution for the equation √ x - 3 = x - 5 is x = 4 or x = 7.
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Solve. Check for extraneous solutions. 2(2 x)¹/₃ +1=5
x = 4 is not an extraneous solution.
Given equation [tex]2(2x)^{1/3}[/tex] + 1 = 5
Subtracting 1 on both the sides of the equation, we get
[tex]2(2x)^{1/3}[/tex] + 1 - 1 = 5 - 1
[tex]2(2x)^{1/3}[/tex] = 4
Dividing the equation by 2, we get
[tex]2(2x)^{1/3}[/tex] = 2
Taking cube of both the sides of the equation, we get
2x = 8
x = 4
Check for extraneous solution by keeping the value of x in original equation
[tex]2(2x)^{1/3}[/tex] + 1 = 5
[tex]2(2(4))^{1/3}[/tex] + 1 = 5
[tex]2(8)^{1/3}[/tex] + 1 = 5
2(2) + 1 = 5
5 = 5
LHS = RHS
Thus, x = 4 is not an extraneous solution.
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Which statement is true of the numbers 39/7 and-0.3287 A Only 39/7 is rational. B Only -0.328 is rational. C Both numbers are rational. D Both numbers are not rational.
Both numbers are rational numbers, so the correct answer is (C).
What are rational numbers?An irrational number cannot be expressed using fractions, whereas a rational number can be expressed as the ratio of two integers with the denominator not equal to zero. Irrational numbers are non-terminating and non-recurring, whereas rational numbers have terminating decimals. It is now possible for 12 rational numbers between -1 and 2 to be: 0, 1, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, -0.1, -0.2, and -0.3. It's important to remember that there are other solutions besides the 12 rational numbers listed above.So,
39/7 is already a rational number as it is already in a fraction with a denominator not equal to zero.
And -0.3287 can also be expressed in fractions where the denominator will not be equal to 0. (Refer to the image below for work)So, we can say that both numbers are ratio numbers.Therefore, both numbers are rational numbers, so the correct answer is (C).
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According to the given solving we can say that both numbers are rational.
The correct option is C.
Why are rational number?The ratio or fraction among two numbers, p/q, where both p and q are the numerator and denominator, respectively, can be expressed as a rational number. For example, 3/7 and any integer represent rational numbers..
Why are numbers irrational and rational?Rational numbers can really be expressed as ratios (such P/Q and Q0), while irrational numbers can indeed be expressed as a fraction. Both of these numbers, nevertheless, are real and can be displayed on a number line.
According to the given data:39/7 and-0.3287
The decimal number as a fraction:
0.3287 = 0.3287/1
this can be written as:
[tex]\frac{0.3287}{1}[/tex] x [tex]\frac{1000}{1000}[/tex] = [tex]\frac{3287}{1000}[/tex]
So we can say that:
-0.3287 = [tex]\frac{-0.3287}{1000}[/tex]
According to the given solving we can say that both numbers are rational number.
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how do i rate an answer
Answer:
press the stars.
Step-by-step explanation:
simplify the expression (-3m^-4)(-5m^7). Explain your process and justify each step by naming the appropriate property
help
By the use of algebra properties, the expression (- 3 · m⁻⁴) · (- 5 · m⁷) is equivalent to 15 · m³.
How to simplify an algebraic expression
In this question we find a product of two monomials, each monomial has a constant, a variable and a grade and the entire expression must be simplified by means of algebra properties. The complete procedure of simplification is now presented:
(- 3 · m⁻⁴) · (- 5 · m⁷) Given[(- 3) · (- 5)] · [(m⁻⁴) · m⁷] Commutative and associative properties15 · m³ Multiplication of two negative numbers / Multiplication of powers with the same base / ResultTo learn more on algebraic expressions: https://brainly.com/question/21443100
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Solve for y. You must write your answer in fully simplified form.
Answer: =
14 = -5y
Submit
Answer: [tex]y=-\frac{14}{5}[/tex]
Solving Linear Equations:
Simplify each side if necessaryIsolate the variable: use properties such as addition, subtraction, multiplication, or division to get the variable on one side and the rest terms to the other side of an equation.Solution with Steps:
[tex]14 =-5y[/tex]
[tex]\frac{14}{-5}=\frac{-5y}{-5}[/tex] - divide both sides by -5 to isolate for the variable
[tex]-\frac{14}{5}=y[/tex] - simplify to get your final answer
Twice Jack's age plus 5 is 21. Write and solve an equation. How old is Jack? Responses A32 B88 C52 D13
Use a table to solve each equation. Round to the nearest hundredth.
3x⁻¹=72
3[tex]x^{-1}[/tex] = 72 => x = 0.4167, by basic algebra.
What is basic algebra?Numbers, variables, constants, expressions, equations, linear equations, and quadratic equations are all part of the basics of algebra. Additionally, the algebraic expressions contain the basic arithmetic operations of addition, subtraction, multiplication, and division.Given: 3[tex]x^{-1}[/tex] = 72
=> [tex]x^{-1}[/tex] = [tex]\frac{72}{3} =[/tex] 24
=> [tex]\frac{1}{x}=24[/tex]
=> x = 0.4167
Hence, 3[tex]x^{-1}[/tex] = 72 => x = 0.4167, by basic algebra.
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How would you determine the value of digits 5 and 635,482? What is the place value of digit 5 in this number
Answer:
the value of 5 in 635,482 is 5,000
Step-by-step explanation:
to determine the place value of 5 you would have to start from the left to the right.
b) Work out
(10-3 × 2)²
c) What is the value of the power a if 5ª:
=
125
?
Answer:
It would be 5^3 or 5 cubed. Power a is 3
Step-by-step explanation:
Answer:
b) 16
c) 3
Step-by-step explanation:
b)
[tex](10 - 3 \times 2)^2\\\to (10 - 6)^2\\\to 4^2 \to 16[/tex]
c)
[tex]5^a = 125\\\to 5^a = 5^3\\\to a = 3[/tex]
Write a polynomial function with rational coefficients and the given roots.
√3,-5
A polynomial function with rational coefficients and the given roots √3,-5 is : x² + (5-√3)x -5√3
What are polynomial functions ?In mathematics, polynomial function can be defined as the equation which consist of coefficient, variables and exponents. A polynomial equation has positive numbers as their exponent which is also known as its degree. All the equations such as monomials, quadratic equation, cubic equation, linear equation of one degree, two degree and more which has non negative number as their powers all are part of polynomial equation and can be taken as types of the polynomial equations.
Some examples of polynomial equation are :
2x+53x = 93x² + 5x+19(x-3)³According to question,
roots are √3 , -5
Thus the factors are :
(x - √3 ) ( x - (-5) )
=> ( x - √3 )( x + 5 )
=> x²+ 5x - √3x - 5√3
=> x² + (5-√3)x -5√3
Thus polynomial function for given roots is x² + (5-√3)x -5√3
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Im wasting 10 points on a post that will get taken down so please enjoy it,
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Answer:
AWSOME IMAGE!
Step-by-step explanation:
You make it??!!!
Answer: AIght thx for the points
Step-by-step explanation:
Please help me this is timed giving brainiest if right and 14 points (sorry it's all I have) :)
The given expressions and their verbal descriptions (meaning) are as follows;
2•(x - 3) → Twice the difference between x and 3[tex]x + \frac{3}{4} [/tex] → Three fourths more than x. '5 + x' → The sum of five and the number, x[tex] \frac{3}{4} \cdot x[/tex] → Three fourths part of x.5 - x → five less xx - 5 → Five less than x2•x - 3 → Twice x minus three[tex] \frac{5}{x} [/tex] → The quotient of 5 and xHow can the expressions be described verbally?The given mathematical expressions and their correct verbal expressions or meaning are as follows;
2•(x - 3) can be described as two times or twice the difference between x and 3
[tex]x + \frac{3}{4} [/tex]
The above mathematical expression can be described as three fourths added to x, which is the same as; three fourths more than x.
'5 + x' can be described as the sum of five and x, which is the same as the sum of five and the number, x.
[tex] \frac{3}{4} \cdot x[/tex], The expression means the product of three fourths and x, which is the same as three fourths part of x.
5 - x can be written as the difference between five and x, which is the same as five less x
x - 5 can be written as the difference between x and 5, which means a number that is 5 less than x
2•x - 3 can be written as two times x minus three, which can be described as twice x minus three
[tex] \frac{5}{x} [/tex] can be written as fI've divided by x. which can be written as the quotient of 5 and x
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g=b+c+a, for a
mx=n-p, for x
Answer:
Step-by-step explanation:
g=b+c+a, for aa = g - b - c
mx=n-p, for xx = (n - p)7n
6m=-12n-10 I was wondering if anyone could help me
Answer:
Check options down below!
Step-by-step explanation:
If solving for n:
n = -m/2 - 5/6
If solving for m:
m = -2n - 5/3
PLEASE HELP! INEQUALITY PROBLEM!
Simplify each expression.
2¹/₂ . 32¹/₂
Write 2 and 32 as a product of their prime factors then in index form. 2 = 2^1. 32 = 2x2x2x2x2 = 2^5. Use power rule (a^m)^n = a^mn to simplify:
32= 2^5
2= 2^1
(2^1)^1/2 x (2^5)^1/2 = 2^1/2 x (2^4/2x2^1/2)
2^1/2x4x2^1/2 = 4 x (2^1/2) ^2 = 4x2 = 8
=8
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What is the value of x? Note:images are not to scale
since we know both triangles are similar then we can say that
[tex]\cfrac{TV}{QS}~~ = ~~\cfrac{TU}{QR}\implies \cfrac{x}{30}~~ = ~~\cfrac{13}{39}\implies 39x=390\implies x=\cfrac{390}{39}\implies \boxed{x=10}[/tex]