They made more than 1,000 sales per week for 26 weeks.
A sale is a transaction that involves exchanging products or services for a certain sum of money. To put it another way, a sale is any action that includes giving the buyer possession of a thing or commodity in return for payment.
The first sale is 15 units.
Sales are rising at a weekly rate of 18%.
1000 are the final sales.
The next week is when sales reach 1,000 or more:
[tex]1000=15 \times\left(1+\frac{18}{100}\right)^t \\\frac{1000}{15}=\left(\frac{118}{100}\right)^t \\\frac{200}{3}=(1.18)^t[/tex]
Solving further we get,
[tex](\left.\log\frac{200}{3}\right)=t \log 1.18[/tex]
Thus we get,
t=25.37
In the twenty-fifth week, the company makes 1000 in sales.
As a result, the company's revenues exceeded 1000 in the 26th week.
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find the length s of the arc that subtends a central angle of measure 5 rad in a circle of radius 4 cm.
The length of the arc that subtends a central angle of measure 5 rad in a circle of radius 4 cm is = 20cm
In geometry, the portion of a circle's circumference that is stated between two points on the circumference of the circle is known as an arc. If a circle has a radius equal to r units and the arc subtends an angle θ radians at the center of the circle, the length of this arc is calculated as s =r⋅θ.
According to the question,
The length of an arc of a circle whose radius is 4 cm and θ=5rad is equal to
s= 5 ×4cm
=20cm
Hence, the length of the arc is 20cm.
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How do you solve quadratic equations by factoring examples?
Quadratic equation ax² + bx + c = 0 can be solved by factoring the equation using two methods :
a. Splitting the middle term of the equation.
b. Quadratic formula x = ( -b ±√b² -4ac )/2a.
As given in the question,
Standard quadratic equation is given by :
ax² + bx + c = 0
This can be factoring by using two methods:
a. Splitting the middle term of the equation.
b. Quadratic formula x = ( -b ±√b² -4ac )/2a.
Example : x² + 8x - 9 =0
a. splitting middle term:
x² + 8x - 9 =0
⇒ x² + 9x - x - 9 =0
⇒ x( x + 9 ) - 1 ( x + 9 ) = 0
⇒ ( x - 1 ) ( x + 9 ) = 0
b. Quadratic formula:
here a = 1 , b = 8 , c = -9
x = ( -8 ± √8² - 4 (1 )(-9 ) )/ 2(1)
⇒ x = (-8 ± 10 ) / 2
⇒ x = 1 or x = -9
Therefore, the quadratic equation can be factoring by two methods :
a. Splitting the middle term of the equation.
b. Quadratic formula x = ( -b ±√b² -4ac )/2a.
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Arisia puts $500.00 into a savings account with an annual simple interest rate of 4.5%
How much interest does she earn per year?
Answer:
Simple interest is calculated by multiplying the principal amount (the initial deposit) by the interest rate and the number of years.
The formula for simple interest is:
I = P * r * t
Where:
I = Interest
P = Principal (initial deposit)
r = Interest rate (expressed as a decimal)
t = Time (in years)
In this case, the principal amount is $500.00, the interest rate is 4.5%, and the time is one year.
The interest rate is expressed as a percentage, so we need to convert it to a decimal by dividing it by 100:
r = 4.5/100 = 0.045
Now we can plug in the values into the formula:
I = $500.00 * 0.045 * 1 = $22.50
So, Arisia earns $22.50 in interest per year.
Write the function x3 - 6x^2 - x + 30 in factored form knowing that one of the roots is 5
Group of answer choices
(x - 5)(x -2)(x + 3)
(x + 5)(x - 2)(x + 3)
(x + 5)(x + 2)(x - 3)
(x - 5)(x + 2)(x - 3)
The required factors of the given expression x³ - 6x² - x + 30 is (x - 5)(x + 2)(x -3). Option D is correct.
What are the factors?A number or algebraic expression that evenly divides another number or expression—i.e., leaves no remainder—is referred to as a factor.
Here,
Gien expression,
= x³ - 6x² - x + 30
= (x - 5)(x + 2)(x -3)
Thus, the required factors of the given expression x³ - 6x² - x + 30 is (x - 5)(x + 2)(x -3).
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It is an angle whose vertex is on the circle and whose sides contain chords of the circle.
A. central angle
B. inscribed angle
C. chord
D. intercepted arc
The correct answer is B. inscribed angle
An inscribed angle is an angle whose vertex is on the circle and whose sides contain chords of the circle. It is formed by two chords of a circle that intersect at a single point within the circle.
A central angle is an angle whose vertex is the center of a circle and whose sides contain points on the circumference of the circle.
A chord is a straight line segment that connects two points on the circumference of a circle.
An intercepted arc is an arc of a circle that lies between two points on the circle and is bounded by two intersecting chords.
Therefore, inscribed angle is an angle whose vertex is on the circle and whose sides contain chords of the circle.
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which of the following are solutions to the quadratic equation? check all that apply. x^2+8x+16=7
The solutions to the quadratic equation are -
{x} = - 6.646 and {x} = - 1.354.
What are algebraic expressions?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.Given is the quadratic equation as -
x² + 8x + 16 = 7
In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y.The set X is called the domain of the function and the set Y is called the codomain of the function.A quadratic function is of the form → y = f(x) = ax² + bx + c.The given quadratic equation is -
x² + 8x + 16 = 7
x² + 8x + 9 = 0
Solving the equation graphically, we get -
x = - 6.646 and x = - 1.354
Therefore, the solutions to the quadratic equation are -
{x} = - 6.646 and {x} = - 1.354.
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What is the value of t in the following equation?
t + 14 = 2 7/12
A. t = 37
B. t = 123
C. t = 213
D. t = 323
these are fractions
By calculating the value of given expression is -137/ 12 .
What is Algebraic expression ?
Algebraic expression can be defined as the combination of variables and constants .
Given ,
expression t + 14 = 2 7/12
t+14 = (2*12 + 7 ) / 12
So by sending 12 in LHS we get,
t+14 = 24+7 / 12
t+14 = 31/ 12
12 ( t+14) = 31
multiplying 12 on LHS
12 t + 12*14 = 31
12t = 31-168
12 t = -137
t = -137 / 12
Hence, the value of given expression is -137/ 12 .
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What is negative logarithm?
A negative logarithm represents the amount of times to divide it by. [tex]log \left(\frac{1}{a}\right) = -log a[/tex] denotes that the negative logarithm of a number is equal to the logarithm of 1 divided by that number.
The alternative to using exponents is to use logarithms. A number's logarithm with a base is equivalent to another number. Exponentiation's opposing function is a logarithm.
In mathematics, a logarithm is the power to which a number must be raised in order to obtain other numbers. It's the most useful methodology for representing huge numbers.
A logarithm contains a number of significant characteristics that demonstrate that addition and subtraction logarithms can also be used to represent the multiplication and division of logarithms.
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Can someone explain what I also have to do?
When you simplify an ordered pair, if the obtained y-value matches the y-value in the ordered pair, then the ordered pair is in fact a solution to the equation. C Both (-2,13) and (-1,7).
Which ordered pair is a solution of the equation?You can run a test to determine whether an ordered pair is a solution to an equation.The ordered pair's x-value should be located, and it should be entered into the equation.
When you simplify an ordered pair, if the obtained y-value matches the y-value in the ordered pair, then the ordered pair is in fact a solution to the equation.
C Both (-2,13) and (-1,7). Check to see if the provided equation points work by trying them out.
y = -6x +1
For (-2, 13):
13 = -6(-2) (-2)
+1 = 12
+1 . . . . true
For (-1. 7):\s7 = -6(-1) (-1)
+1 = 6
+1 . . true
Both ordered pairs are solutions.
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At a certain high school the distribution of backpack weight is approximately normal with mean 19.7 pounds and standard deviation 31 pounds. A random sample of backpacks will be selected, and the weight, in pounds, of each backpack will be recorded. For samples of size 5, which of the following is the best interpretation of P(x > 22) = 0,067 The probabilty that each of the backpacks selected will have a wright above 22 pounds is approximately 0.05. The probability that each of the Shackpacks bected will have a weight above 19.7 pounds is approximately 0.05. c) The probability that the population mean in greater than 22 pounds is approximately 0.05 D) For al samples of size 5, approximately 5% of the sample will have a probability greater than 22 pounds E For all samples of size 5. the probability that the sample mean will be greater than 22 pounds is approximately 05,
Answer:
45 grapes
Step-by-step explanation:
23
for a certain industry the mean annual salary rose from 68860 to 71350 calculate the percent of increase. round to the nearest 10th.
To win a game, Roger needs to score 2,000
points. So far, he has scored 837 points.
How many more points does Roger need
to score?
Answer:
Step-by-step explanation:
the answer is 1163 :)
solve the problem 17+50-100=
what intersects a circle at exactly one point and creates a right angle to the radius?
The line that intersects a circle at exactly one point and creates a right angle to the radius is called the Tangent .
What is Tangent ?
The tangent can be defined as a line that touches the circle at exactly one point .
The properties of tangent Lines are :
(i) The point where tangent line meets circle is called as the point of tangency.
(ii) The tangent line is perpendicular to the radius of circle, with which it intersects, that means , a right angle is created at the meeting point .
(iii) There is exactly one tangent that can touch the circle at any given point .
Therefore , by the property of tangent to circle , we can say that , Tangent intersects a circle at exactly one point creates right angle to radius .
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What measurement is l used for?
The L angle is used for measuring the area of the rectangle.
A right angle is one that is 90 degrees in length. It is the most frequently encountered angle in our daily lives. It can be noticed in room corners, box edges, mobile phone screens, and so on.
A square's and a rectangle's sides always make a right angle with each other. It is represented in radians as /2.
The angle formed by two lines that are perpendicular to each other is called a right angle. A right angle is equal to 90° and is in the shape of the letter "L". In the following figure, ray AB and BC form a right angle ABC.
Thus, the L angle is used for measuring the area of the rectangle.
Complete question: What measurement is L angle used for?
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Tickets were cost $24.00 per person and there is one time $12 group registration fee.Write an expression for The cost of the whole group if there are p people going
A traditional economy is an economy where ______
Economic decisions are based on traditions culture and beliefs
When making economic decisions, a traditional economy looks to cultural traditions, beliefs, and other tenets.
Where is the traditional economy based?Brazil, Haiti, Alaska, Yemen, Canada, and Greenland were classified as traditional economies by The World Population Review in 2022. The Middle East, Asia, Africa, and Latin America are the regions with the most traditional economic systems.In a traditional economy, people make decisions regarding their financial well-being based on their traditions and routines. As their forefathers did, they often use farming or hunting to satiate their needs and desires. Most people in traditional economies do not wish to alter their fundamental way of life.This kind of economic structure is frequently found in rural, agricultural nations. A traditional economy is one that relies on bartering and trading, also referred to as a subsistence economy. A small amount of excess is created, along with any excess goods.To learn more about economic refer to:
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What is the value of StartFraction 1 Over 6 Superscript 0 EndFraction?
Answer:
[tex]\frac{1}{6^0} = \frac{1}{1} = 1[/tex]
Step-by-step explanation:
If I understand the question correctly, the fraction is [tex]\frac{1}{6^0}[/tex]. To solve it, we need to first (according to PEMDAS) do 6⁰, which is of course equal to 1. Then 1 divided by 1 is 1.
Mike made 56 of his free throw attempts and Lisa made 79 of her free throw attempts. Choose two fractions that show 56 and 79 written with a common denominator. A. 1018 B. 1418 C. 1518 D. 2736 E. 3036
The two fractions that show 5/6 and 7/9 written with a common denominator are C. 15/18 and B. 14/18, respectively.
A fraction is a way of expressing a part of a whole. It is represented by two numbers written one above the other, with a horizontal line separating them.
The number on top is called the numerator and represents the number of parts being considered. The number on the bottom is called the denominator and represents the total number of parts in the whole.
To determine the fractions that shows 5/6 and 7/9 written with a common denominator, find the common multiples of their denominator.
multiples of 6 and 9 : 18, 36, 54, . . .
These multiples will now be the new denominator. Divide the multiple by the denominator, and multiply by the numerator to have the new numerator.
5/6 = 15/18 = 30/36
7/9 = 14/18 = 28/36
Hence, the answer is C. 15/18 and B. 14/18.
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What is the volume of the rectangular prism? 1/2 cm
The volume of a rectangular prism is lwh unit cube.
What is a rectangular prism?A rectangular prism can be defined as a 3-dimensional solid shape that has 6 faces, with its base as rectangles.
The volume of a rectangular prism is given by, the product of its dimensions.
Let us consider length, width and height of the rectangular prism be l, w, h respectively,
Then, the volume will be = length x width x height
= l x w x h
= lwh
And its unit will be unit cube because there are 3 dimensions in the prism which are being multiplied.
Hence, the volume of a rectangular prism is lwh unit cube.
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in a regular icosagon ($20$-sided polygon), all the diagonals are drawn. if a diagonal is selected at random, what is the probability of selecting a diagonal that is neither the shortest possible length nor the longest possible length? express your answer as a common fraction.
The probability of selection of diagonal which is not shortest nor longest is 13/17.
We know very well that Icosagon has 20 sides.
If any diagonal is possible, it can be possible by connecting two points, so to choose r objects from n objects can be done by ⁿ [tex]C_{r}[/tex] = [tex]\frac{n!}{r! (n-r)!}[/tex]
So, number of ways to choose diagonal = [tex]^2^0C_{2}[/tex]
After that we need to subtract 20 ways as single point can lead to diagonal making.
So, total number of ways to choose 20 diagonals = 170
Now, talking about the shorter diagonal
so, shorter diagonal =Diagonal connecting(A₁A₃, A₂A₄,.....) =20 diagonals.
Now, talking about longer diagonal=Diagonal connecting(A₁A₈,A₂A₉.........) = 20 diagonals
So, we have total chances of ⁿ [tex]C_{r}[/tex] = [tex]\frac{n!}{r! (n-r)!}[/tex] and possible number of chances of selection of shorter and longer diagonal
So, according to the formula,
Probability= Favorable outcome /Total outcome
Probability = [(Total ways to select diagonals - (Ways to select shorter diagonal) - Ways to select longer diagonal)]/(Total number of ways)
Probability = (170-20-20)/170
Probability = 130/170
Probability = 13/17
Hence, the probability of selecting a diagonal such that it is not shortest nor longest is 13/17.
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a 6 ft man lifts a 100-lb weight from the floor to a height 1 ft above his head. how much work is done in lifting the weight?
700 ft-lbs of work is done in lifting the weight of the man.
Work, W= Fdcos∅
Where F is the force
d is displacement
and ∅ is the angle between them.
Since the direction of force is the same as the direction of displacement
so ∅ =0 thus cos∅ =cos0 =1
now, W=Fd
As we know force required to lift an object is equal to the weight of the object
F=100lb
Displacement = height of man+ height he needs to be lifted
Displacement = 6+1=7ft
Hence, W= 100x7
W=700 lbs-ft
Therefore, 700 ft-lbs of work is done in lifting the weight of the man 1ft above his head.
Work is the transferring of energy to or from an object via force along a fixed displacement.
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Height=0.6 width=0.8 length=1.8 volume
Answer: 0.864
Step-by-step explanation:
0.6 x 0.8 x 1.8 = 0.864
Round to the nearest thousandth
The population was 6.98 million in 1900. The population of New York decreased with respect to time.
What is an exponential function?
An exponential function is a mathematical function with the formula f (x) = axe, where "x" is a variable and "a" is a constant that is called the function's base and must be greater than zero. The transcendental number e, which is approximately equal to 2.71828, is the most commonly used exponential function base.
The population of New York state can be modeled by
[tex]P(t)=\frac{19.71}{1+61.22e^{-0.03513t}}[/tex]
P is the population and t is the number of years since 1800.
The difference between the year 1900 to 1800 is 100.
Putting t = 100 in the given model:
[tex]P(t)=\frac{19.71}{1+61.22e^{-0.03513\times 100}}[/tex]
[tex]P(t)=\frac{19.71}{1+61.22e^{-3.513}}[/tex]
P(t) = 19.71/2.8248
P(t) = 6.9774
P(t) = 6.977 (rounded to the nearest thousands)
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Select the correct text. Jerome’s teacher gave him a homework assignment on solving equations. Since he’s been thinking about saving for a used car, he decided to use the assignment as an opportunity to model a savings plan. He already has $500, and he plans to save $375 every month. To model the situation, he created this equation, where y represents the total amount saved for the car and x represents the number of months since he started saving: 500 + 375x = y. He then solved the equation to determine how many months he would need to save to have enough to purchase the car. Review his work, and select the error. Justification 1: given 2: addition property of equality 3: simplification 4: division property of equality 5: simplification 6: substitution, y = 3,500 7: simplification Step 1:500 + 375x = y Step 2:500 + 375x − 500 = y − 500 Step 3: 375x = y − 500 Step 4: = Step 5: x = Step 6: x = Step 7: x = 8
The saving plan is an illustration of linear equations.
In his calculations, Jerome was faultless.
The equation is represented as;
Where:
x represents the number of months
The following procedures are used to identify Jerome's mistake (s)
Given
Addition property: Add -500 to both sides
Simplify
Division property: Divide both sides by 375
Simplify
Substitution: Substitute 3500 for y
Simplify
The steps above show that: He did not make any mistake
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A term is a constant, a variable, or a ___ of numbers and variables.
A term is a constant, a variable, or a product of numbers and variables.
What is variable?A symbol (typically a letter) used in algebra to represent an unknowable numerical value in an equation or algebraic expression. A variable can be defined as a quantity that is changeable and not fixed. A variable in mathematics is an alphabet or term that stands in for an unknowable quantity, unknowable value, or unknowable number. Particularly in the case of algebraic expressions or algebra, the variables are used. As an illustration, the linear equation x+9=4 has the variables x and 9 as constants.
Here,
A term can be a number, a constant, a variable, or the product of a number and a variable.
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Pls help me I’m stuck :(
Answer:600
Step-by-step explanation:
850 - 250 = 600
How do you solve a log table?
Without a calculator, larger computations such as squares, roots, multiplication, and division can be made using a log table also known as a logarithm table.
A log table for a given base is a table of logarithms that is used to determine the base-dependent logarithm of a given number. For different bases, such as 10, e (Euler's number), 2, etc., there are several log tables.
The logarithm table provides the quickest method for exactly determining a number's log value. The exponential function is thought of as the inverse of the logarithmic function.
Any number's logarithm has two components: the characteristic and the mantissa. A decimal point always separates these two components.
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This year, a teacher graded 84 more final exams than last year. If the teacher graded 600 final exams this year, how many final exams did the teacher grade last year?
Answer:516 exams
Step-by-step explanation:
600 this year
84 more
subtract
equals 516
516 exams this year
4.) Harrison has $195 and wants to buy some
LOST
new clothes. He is buying a new pair of
shoes that cost $75 and the rest of his
money he wants to spend on t-shirts that
cost $20 each. Write an inequality that can
be used to determine how many shirts he
can buy, then solve the inequality.
AP.8A-
10.6
120-20-6
Answer: quizlet has all the answers
Step-by-step explanation: