Answer:
9 hours
Step-by-step explanation:
605 miles/11 hours = 55miles/hour
495 miles (time) = 495 / 55 =9
So, 9 hours
Find the value of x so that f(x)=7
Step-by-step explanation:
f (x) = 7
Slope: 0
y-intercept: (0,7)
x y
0 7
1 7
Graph x
Slope: 1
y-intercept: (0,0)
x y
0 0
1 1
Plot each graph on the same coordinate system.
f (x) = 7
x
Expand each logarithm.
log m² n⁵
The expanded form of the expression log m² n⁵ is
2 log m +5 log n.
Given that the expression is log m² n⁵.
We are required to find the expansion form of the given expression.
Product property of logarithm says that the logarithm of a product is equal to a sum of logarithms. Because logs are exponents, and we multiply like bases, we have to add the exponents.
The expression is log m² n⁵.
log m² n⁵=log [tex]m^{2}[/tex]+ log [tex]n^{5}[/tex]
=2 log m +5 log n
Hence the expanded form of the expression log m² n⁵ is
2 log m +5 log n.
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Evaluate each logarithm.
log₄₉7
The answer to the given logarithm expression is log₄₉7 = 1/2
Another technique to clarify exponents in mathematics is through logarithms. A base number's logarithm equals another number.
For instance, log10 100 = 2 if 102 = 100. A logarithm is defined as an influence by which variety must be raised to receive another value. this is often the foremost convenient thanks to represent large numbers. Logarithms have several important properties that prove that logarithmic multiplication and division is written because the logarithm of addition and subtraction. The log is named the logarithm of base e. The logarithm is represented by ln or loge. where 'e' represents Euler's constant, approximately capable 2.71828. as an example, the log of 76 is written as ln 76. The log defines what percentage times 'e' must be multiplied to induce the required output.
We need to evaluate log₄₉7
Using Property
logₙ (a) = 1 / logₐ (n)
log₄₉7 = 1/ log₇ 49
Using the properties of log again logₐ (mⁿ) = n logₐ m
49 = 7²log₇ 49
can be written as
log₇ 49 = 2 log₇ 7
We know that logₐ a = 12 log₇ 7= 2
Value of log₄₉7 = 1/ log₇ 49= 1/ 2 log₇ 7= 1/2
Hence, we evaluated the logarithm which is log₄₉7 = 1/2
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If there are 600 students in the senior class and you are in the 88th percentile for gpa, then how many students have a gpa that is greater than or equal to yours?
Given that you are in the 88th percentile for GPA, there are 72 students that have a GPA greater than or equal to yours.
Percentile refers to the measure used to indicate the value below which a certain percentage of data lies.
If a data is said to be in the nth percentile, this means that n% of the data in the distribution are equal to or lower than that data.
If you are in the 88th percentile, then 88% of all the 600 students have a GPA equal or lower than yours.
88% of 600 = 0.88(600) = 528
students that have a GPA greater than or equal to yours = 600 - 528
students that have a GPA greater than or equal to yours = 72
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Write the value of the terms, given the
explicit formula:
1
f(n) = 18+ (n − 1)
2
a1
a 10
a 25
=
=
a 100
answer is 36
Step-by-step explanation:
good right?
The product of a number m and 1.7 is 6.63. What is the value of m? Drag and drop the correct number into the box so that the equation is true.
When the product of a number m and 1.7 is 6.63 the required value of m is 3.9
What is an equation?In mathematics, an equation is a formula that expresses the equality of two expressions by connecting them with the equal sign = .
Now the given statement is,
The product of a number m and 1.7 is 6.63
Thus, converting it into numerical form we get,
1.7m = 6.63
Dividing both the side by 1.7 we get,
1.7m/1.7 = 6.63/1.7
Solving we get,
m = 3.9
this is the required value of m.
Thus, when the product of a number m and 1.7 is 6.63 the required value of m is 3.9
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x² + 72 = -17x
x = [? ], [ ]
Enter smallest solution first
Answer:
Hello,
Step-by-step explanation:
0=x²+17x+72=x²+8x+9x+72=x(x+8)+9(x+8)=(x+8)(x+9)
x=[-9,-8]
Answer:
[tex]x = - 8 \: - 9[/tex]
Step-by-step explanation:
[tex]1. \: {x}^{2} + 72 + 17x = 0 \\ 2. \: (x + 8)(x + 9) = 0 \\ 3. \: x = - 8 \: - 9[/tex]
As storm clouds gathered, the temperature fell 4 degrees in
3
4
of an hour. At what rate was the temperature falling?
The rate of falling temperature is 5 1/3 degrees per hour.
What do you mean by the rate of temperature?
This indicates the sensitivity of the reaction to change in temperature.
Given that;
The temperature fell 4 degrees in 3/4 of an hour.
So, we can set up a proportion to see how much temperature fell in an hour,
[tex]\frac{4}{3/4} = \frac{x}{1}[/tex]
4 /0.75 = x
x = 5 1/3
Hence, The rate of falling temperature is 5 1/3 degrees per hour.
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Question 1(Multiple Choice Worth 1 points)
(02.04 MC)
Write the equation of the line that passes through (2, -6) and is perpendicular to y = x +4.
Oy=2x-9
Oy=²x-²2
Oy=-x-3
Oy=-3x-7
22
The equation of the line that passes through (2, -6) and is perpendicular to the given line is y = -x -4
Equation of a lineFrom the question, we are to determine the equation of a line that passes through (2, -6) and it perpendicular to y = x + 4
If two lines are perpendicular, the product of their slope is -1.
That is,
m₁m₂ = -1
First,
We will determine the slope of the line that the equation was given
y = x + 4
Comparing with the slope-intercept form of the equation of a straight line
y = mx + b
Where m is the slope
and b is the y-intercept
By comparison
m = 1
The slope of the line that the equation was given is 1
Thus,
The slope of the line that is perpendicular to this line is -1
From the given information,
The line passes through the point (2, -6)
Using the point-slope form of the equation of a line
y - y₁ = m(x - x₁)
Then,
y - -6 = -1(x - 2)
y + 6 = -x + 2
y = -x + 2 - 6
y= -x -4
Hence, the equation of the described line is y = -x -4
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Answer:
y = -x -4
Step-by-step explanation:
Find the inverse of each function. Is the inverse a function?
y=(1-2 x)²+5
The inverse function returns the original value for which the output of a function was given.
[tex]y^{-1}[/tex] = -1 ± √(x - 5) /2 be the inverse the function y = (1 - 2x)² + 5.
What is the inverse formula?The inverse function returns the original value for which the output of a function was given. When it comes to functions, f and g are inverse, with f(g(x)) = g(f(x)) = x. A function that is made up of its inverse returns the original value. The inverse of f is then g(y) = (y - 5)/2 = x.
An inverse in mathematics is a function that serves to "undo" another function. That is, if f(x) produces y, then putting y into the inverse of f yields x. Invertible functions are those that have an inverse, which is denoted by f1.
Let the equation be y = (1 - 2x)² + 5
simplifying the above equation, we get
√(x - 5) y = (1 - 2x)² + 5
x = (1 - 2y)² + 5
The function of x be x = (1 - 2y)² + 5
x - 5 = (1 - 2x)²
± √(x - 5) = (1 - 2y)
± √(x - 5) - 1 = 2y
Divide both sides of the equation by 2, we get
[± √(x - 5) - 1]/2 = 2y/2
[± √(x - 5) -1] /2 = y
[tex]y^{-1}[/tex] = -1 ± √(x - 5) /2
Therefore, the inverse of the function be [tex]y^{-1}[/tex] = -1 ± √(x - 5) /2.
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hello! need help with arithmetics please!
my homework isnt in english so please be patient with my translations!
the question reads "calculate the sum of the first 50 terms of 4+7+10+13..."
since the variables differ from language to language it would really help if anyone answering could specify what each variable means in the equation im supposed to use.
also, could someone explain what Sn signifies please?
thanks in advance!
1. Trouvez la différence commune
Trouvez la différence commune en soustrayant n'importe quel terme de la séquence du terme qui le suit.
La différence de la séquence est constante et est égale à la différence entre deux termes consécutifs.
2. Trouvez la somme
3. Trouver le formulaire explicite
4. Trouver la forme récursive
5. Trouvez le neuvième élément
^^ <3
f(x)=x-3; horizontal stretch by a factor of 2
The new function for f(x) = (x – 3) is g(x) = x/2 – 3
Given,
The function, f(x) = (x – 3)
Horizontal stretch by a factor of 2
The quadratic parent function f(x) = (x – 3) is the simplest form of a quadratic function.
If the function is multiplied by the factor b and:
|b| > 0 the function is stretched.
If 0 < |b| < 1 the function is compressed.
Then the new function will be in the form:
g(x) = (1/b)x - 3
Therefore, keeping the above on mind, if b=2, then the new function is:
g(x) = (1/2)x - 3
g(x) = x/2 - 3
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is 7.2q an equal term to q/6?
(if you see this question id really appreciate it if you'd answer it!)
#SSF
Using proportions, it is found that 7.2q and q/6 are different terms, due to the different numeric coefficients.
How to convert a fraction to decimal?A fraction is converted to decimal by the division of the numerator by the denominator, that is, we apply the proportion of the numerator by the denominator.
For this problem, we have two terms, given as follows:
7.2q and q/6.
To verify if they are equal terms, we have to look at the numeric coefficients, hence:
The numeric coefficient of 7.2q is of 7.2.The numeric coefficient of q/6 is of 1/6 = 0.1667(result of the division of the numerator by the denominator).Hence 7.2q and q/6 are different terms, due to the different numeric coefficients.
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Which of the following is the solution to | 13x |> -5?
A. All values are solutions
B. No solution
C. X > -5/13
D. X < 5/13 or X > -5/13
Answer:
A all values are solutions
Step-by-step explanation:
we have the absolute value of an expression (in this case 13x).
that means the result is always (ALWAYS) positive, no matter what happens in the included expression.
the minimum result value is 0.
it cannot get below 0.
so, |13x| > -5 is always true, no matter what value you pick for x.
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! What is the value of the expression -17.03 + (-17.204)?
Answer: The value is −34.234
Step-by-step explanation:
help me if u want 1000000000 dollers
Answer:
4.: 15.84
5.: 193.2
6.: 10.7*5, 8.4*6, 7.5*7.5, 2.1*24
7.: 6, 5.75
Step-by-step explanation:
4.: 6.6*2.4=15.84
5.: 27.6*7=193.2
6.: 10.7*5=53.5, 8.4*6=50.4, 7.33*6=43.98, 7.5*7.5=56.25, 2.1*24=50.4
7.: 1.6*6.25=10, all numbers higher than 6.25 will return products higher than 10, all numbers lower than 6.25 will return products lower than 10.
One summer day, amelia decided to count the number of people wearing sandals at the mall. she compared the number of people wearing sandals at the mall to the total number of people she saw at the mall and developed this equation: s=35x+12s=35x+12 if she counted a total of 325 people, how many people were probably wearing sandals at the mall?
Answer:
Step-by-step explanation:
325
Number of people probably wore sandals at the mall = 9 people
Let 's' denote the total number of people Amelia counted at the mall.
Let x be the number of people wearing sandals out of them.
The equation developed by Amelia according to this is,
s = 35x + 12
This is a linear equation written with s in terms of x .
Total people counted by Amelia = 325
So we have to find the value of x when s = 325.
Substituting s = 325 to the equation,
325 = 35x + 12
⇒ 325 - 12 = 35x
⇒ x = (325 - 12)/35
⇒ x = 8.9 ≈ 9
Since x denote the number of people wearing sandals, we take x = 9
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. Four roommates want to buy a TV that costs $275.40, including tax. They each agree to pay an equal amount. How
much will each roommate pay?
Each roommate have to pay $68.85 equally.
Given, the TV costs = $275.40 including tax.
number of roommates who wants to buy a Tv with equal pay = 4
Divide the total amount of the TV among the number of roommates.
One of the four fundamental mathematical operations—the others being addition, subtraction, and multiplication—is division. Simply said, division is the process of dividing a large group into smaller groups so that each group contains an equal number of elements. In mathematics, it is an operation that is used for equal distribution and equal grouping.
⇒ 275.40 ÷ 4
= 68.85
Hence each roommate have to pay $68.85 equally to buy a TV which costs $275.50.
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on the first birthday, we light one candle; on the second birthday 2 candles; and on the 120th birthday 120 candles. how many candles do we light total in all 120 birthdays? use the proper summation formula we learned in class.
Candles we light total in all 120 birthdays is 7260.
Arithmetic Progression is defined as the sequence of numbers where the difference is constant .
According to the given question
No of candle on 1st birthday = 1
no of candle on 2nd birthday =2
.
.
No of candle on 120th birthday= 120
The given situation can be represented in the form of sequence .
1,2,3,4,5,...,120.
The above sequence forms an Arithmetic Progression as the common difference is same that is 1.
To find the total candles we need to find the sum of the above AP.
Sum of AP [tex]=\frac{n}{2}[2a+(n-1)d][/tex] ...where a=first term , n=total number of terms , d=common difference .
a=1 , d=1 , n=120
Substituting the value we get
[tex]=\frac{120}{2} [2(1)+(120-1)1]\\ \\ =60[2+119] \\ \\ =60*121\\ \\ =7260[/tex]
Therefore , Total of 7260 candles will be light in all 120 birthdays.
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Identify the coordinates of the midpoint of AD¯¯¯¯¯, which has endpoints A(3,−2) and D(−5,4).
(−1, 1)
(−15, −8)
(−2, 1)
(1, −1)
The coordinates of the midpoint M of the segment AD is ( -1, 1 ).
Hence, option A)( -1, 1 ) is the correct option.
What is the coordinates of the midpoint of segment AD?The midpoint formula is expressed as;
M = ( (x₁+x₂)/2, (y₁+y₂)/2 )
Given the data in the question;
Point A(3,−2)
x₁ = 3y₁ = -2Point D(−5,4)
x₂ = -5y₂ = 4To determine the midpoint, plug the given points into the formula above and simplify.
M = ( (x₁+x₂)/2, (y₁+y₂)/2 )
M = ( ( 3 + (-5) )/2, ( (-2) + 4)/2 )
M = ( ( 3 - 5 )/2, ( -2 + 4)/2 )
M = ( ( -2 )/2, ( 2)/2 )
M = ( -1, 1 )
The coordinates of the midpoint M of the segment AD is ( -1, 1 ).
Hence, option A)( -1, 1 ) is the correct option.
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Helpppppppppppppppppppppppppppppppp
Answer: yes
Step-by-step explanation: In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y.
Answer:
Yes it is a function bc no number repeats 2x
Step-by-step explanation:
Y
0 Expand 3(2x - 3y - 2)
The expanded form of 3(2x -3y -2) is given by the equation 6x -9y -6
The equation given is a linear equation in two variables and to simplify the equation 3(2x -3y -2), we need to use algebraic properties
The algebraic property used here is distributive property which says that a (b+ c) = ab + ac.
So, let us expand the equation using the algebraic property mentioned above
As a= 3, b=2x and c=3y+2
3(2x -3y -2)
3 (2x) -3(3y+2)
Using the property again with a=3, b=3y and c=2
3 (2x) -3(3y+2)
6x -3(3y) -3(2)
6x - 9y -6
Hence, the expanded form of 3(2x -3y -2) is given by the equation 6x -9y -6
What are the 4 algebraic property?
There are four primary houses of numbers: commutative, associative, distributive, and identification. You ought to be acquainted with every of these. it's miles specifically important to understand these houses when you attain advanced math together with algebra and calculus.
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Zen designs a character for a video game. He draws three sizes of the character on grid paper. Zehn use expression 6 + s^2. To find the number of grid squares in a character of any size S. Find the number of grid squares in a character of size 7 show your work
Based on the expression the number of grid squares in a character of size 7 is 55
What are expressions?Expressions are mathematical statements that are represented by variables, coefficients and operators
How to find the number of grid squares in a character of size 7?The expression for the number of grid squares in a character of size s is given as
6 + s^2
Rewrite the expression as a function
So, we have
f(s) = 6 + s^2
To find the number of grid squares in a character of size 7, we set s to 7
i.e. s = 7
So, we have
f(7) = 6 + 7^2
Evaluate the exponent
So, we have
f(7) = 6 + 49
Evaluate the sum
So, we have
f(7) = 55
Hence, the number of grid squares in a character of size 7 is 55
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-3 1/8 + (-2 3/8) in simple fraction form
Answer:
I'm from California I'm new to this
Tina has two part-time jobs.
. She earns $12 per hour working at a store.
. She earns $30 per lawn mowed working for a landscaper.
Her goal is to earn $1,800 to pay her monthly expenses.
The situation can be modeled by the formula below, where g represents the hours Tina works in the grocery store and m represents the number of lawns mower
1,800-12g+30m
After Tina learns how many hours she is scheduled to work in the grocery store, she has to figure out how many lawns she needs to mow that month.
Which equation shows the formula correctly rearranged to find m given g?
TTL====
1+1,800
29+
Answer:(1,800 - 12g) / 30 = m
Step-by-step explanation:
SECONDTIME ASKING
WILL GIVE BRAINLIST TO BEST ANSWER
Michael is a collage tutor. he charges a $50 to fee, and then makes $15 per hour that he tutors. if he made a total of $250 last month how many hours did he work?
Pleas HEalP
What is the value of the expression
shown below?
(1.6 × 10^5)
(0.2 × 10²)
A 0.8x10³
B 8x10³
C 0.8x107
D 8x107
Answer:
B. 8 x 10^3
Step-by-step explanation:
(1.6 x 10^5)/(0.2 x 10^2)
= (1.6/0.2)x(10^5/10^2)
= 8x10^(5-2)
= 8 x 10^3
Dan sells beaded necklaces. Each large necklace sells for $6.70 and each small necklace sells for $5.10. How much will he earn from selling 4 large necklaces and 1 small necklace?
Answer: 31.9 USD
Step-by-step explanation: 6.70x4=26.8. 26.8+5.10=31.9
Answer:
Answer: 31.9 USD
Step-by-step explanation:
6.70 x 4 = 26.8
26.8 + 5.10 = 31.9
Are these two equal ?
Answer:
They are not equal
Step-by-step explanation:
the first one equals 0
the second one equals 12
NEED HELP ASAP! Algebra 2 - Systems of Equations
The difference between two numbers is 12. The first number is 5 less than twice the second number. What are the two numbers?
Two expressions with an equal sign is called as Equation. If the difference between two numbers is 12. The first number is 5 less than twice the second number then the two numbers are 29 and 17.
What is Equation?Two expressions with an equal sign is called as Equation.
Let the two numbers be a and b.
Given equation is a-b=12 .....(1) and
The first number is 5 less than twice the second number i.e a=2b-5
Substitute a in (1)
2b-5-b=12
b-5=12
b=17
b=17 is the second number.
Now we have to find first number so
a=2b-5...(2)
Substitute b=17 in (2)
a=2(17)-5
=34-5
=29
Therefore the two numbers are 29 and 17.
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