The given equation is:
y = x² - 2x + 33
The vertex form of a quadratic function is expressed as:
y = a(x - h)² + k
The equation y = x² - 2x + 33 can be expressed in the form y = a(x - h)² + k
y = x² - 2x + (-1)² + 33 - (-1)²
y = x²
You model your investment account using the formula y = 20000(1.035)x where x represents the
number of years and y represents the account balance after x years. What is the growth rate of your
investment?
Answer:
Step-by-step explanation:
The growth rate of the investment is represented by the constant multiplier in the exponential term of the formula y = 20000(1.035)x. In this case, the constant multiplier is 1.035, which represents the annual growth rate of the investment account.
To calculate the growth rate as a percentage, we can subtract 1 from the constant multiplier, and then multiply the result by 100.
So, the growth rate of the investment is:
1.035 - 1 = 0.035
0.035 * 100 = 3.5%
Therefore, the growth rate of the investment is 3.5%.
The cafeteria lunch menu lists:
Pizza Cheese, Sausage, Pepperoni
Dessert - Pudding or Cookie
Drink-Water, Milk, Soda
How many different lunch meals can you construct from these choices?
O 18
O
O 81
03
Answer: 18
Step-by-step explanation:
Multiply number of each item possible
3*2*3=18
chris recieved 3/8 of the 160 votes cast for class president, how many votes did he recieve?
Answer:
60
Step-by-step explanation:
(3/8)*160
Answer:
he recieved 60
Step-by-step explanation:
Compare the graphs of the functions listed below.
Function 1: y = 0.25x2
Function 2: y = 4x2
Function 3: y = -½x2
Function 4: y = -16x2
The graph of is the widest.
Answer:
The graph of FUNCTION 1 is the widest.
Step-by-step explanation:
So sorry lolll. But this is definitely right
Five and thirty-nine thousandths in standard decimal form
Answer:
Five and thirty-nine thousandths in standard decimal form is
5.039
Hope This Helps!!!
Outline at least 4 methods of solving linear systems.
The four steps for solving linear systems are;
Graphical methodBy substitution methodBy elimination methodBy augmented matrixSolving linear systemsA variety of ways for solving linear systems exist which include;
Graphical method by seeking the point of intersection.Substitution method involving making a variable the subject of the formula and substituting accordingly.Elimination involves manipulation to get rid of a variable by means of subtraction or addition.Augmented matrices are used to solve linear systems.Read more on solving linear systems;
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Answer:
graphing
algebraic methods
using inverse matrices
transforming an augmented matrix to reduced row echelon form
Cramer’s rule
Step-by-step explanation:
Question 2 of 10
For what value of x is the rational expression below equal to zero?
x-8/x+8
A. 0
B. -1
C. 8
D. -8
UBME
Answer: c
Step-by-step explanation:
A coral reef grows 0.14 m every week. How much does it grow in 13 weeks?
Answer: 1.82 m
Step-by-step explanation:
Ratios
0.14 n 0.14 x 13 = 1.82
1. 13 1.82/1 = 1.82
a machinist can produce 114 parts in 6 minutes. at this rate, how many parts can the machinist produce in 15 minutes
Answer:
285!
Step-by-step explanation:
First you have to find out how may parts are produced in a single minute.
We know that 114 parts are produced in 6 minutes so to find how may parts are made in one minute divide 114 by 6 and get an answer of 19
114÷6=19
Now to find how may parts are produced in 15 minutes multiply 19 (number of parts produdced in one minute) by 15 and get an answer of 285!
19×15=285
Hope this helped! :)
Hi i need help. I will give brainliest
I need help with #18
Answer:
1. a
2.60
3.g
Step-by-step explanation:
Riley purchased a 30-day International cell phone plan for use during winter break. There is a one-time fee of $35 and it includes 150 MB of data usage. Each extra megabyte,
or part thereof, of data costs $0.28. Find the cost of the plan if he uses 388 MB of data during the trip.
Answer:
the cost of the plan in the case when 388MB is used is $101.64
Step-by-step explanation:
The computation of the cost of the plan in the case when 388MB is used
Given that
One time fee is $35
And, it involves 150 MB of data usage
Also for the extra megabyte it charges $0.28
So for 388MB, the cost of the plan is
= $35 + 0.28 × (388 MB - 150 MB)
= $35 + $66.64
= $101.64
Hence, the cost of the plan in the case when 388MB is used is $101.64
Keisha wants to estimate the percentage of managers at her company that hold an MBA. She surveys 320 managers and finds that 70 hold an MBA. Find the margin of error for the confidence interval for the population proportion with a 90% confidence level.
Answer:
The margin of error is of 0.038 = 3.8%.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of \(\pi\), and a confidence level of \(1-\alpha\), we have the following confidence interval of proportions.
\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)
In which
z is the zscore that has a pvalue of \(1 - \frac{\alpha}{2}\).
For this problem, we have that:
\(n = 320, \pi = \frac{70}{320} = 0.21875\)
90% confidence level
So \(\alpha = 0.1\), z is the value of Z that has a pvalue of \(1 - \frac{0.1}{2} = 0.95\), so \(Z = 1.645\).
The margin of error is:
\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)
\(M = 1.645\sqrt{\frac{0.21875(1-0.21875)}{320}}\)
\(M = 0.038\)
The margin of error is of 0.038 = 3.8%.
Convert 6 months to years
Answer: 0.500001
Step-by-step explanation: Hope that helps!
Solve.
10x^2 - 6 = 9x
Answer:
B
Step-by-step explanation:
use quadratic formula: (-b ±√b²-4ac) ÷ 2a
a = 10, b = -9, c = -6
What is the percent rate of growth in this function?
y=300(1+.05)x
Answer:
5%
Step-by-step explanation:
1 + 0.05 = 100% + 5%
Answer: 5%
Write the percent and the decimal shown by the model
percent
decimal
Answer:
51%
Step-by-step explanation:
Count all of the orange squares
After you count them there is a total of 51
The gird has 100 squares
51/100
51%
Given graph is representing 51 percents.
What is percentage?A value or ratio that may be stated as a fraction of 100 is referred to as a percentage in mathematics. If we need to compute a percentage of a number, we should divide it by its whole and then multiply it by 100. The proportion therefore refers to a component per hundred. Per 100 is what the term percent signifies. The letter "%" stands for it.
Count all the orange squares
After you count them there is a total of 51
since
The gird has 100 squares
thus,
percentage = 51/100 *100
Percentage = 51%
Therefore, 51 is the percent shown by the model.
Learn more about percentage here:
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A moving sidewalks in an airport moves people between gates . It takes Jason's 9. Year old daughter Josie 40 sec to travel200ft walking with the sidewalk. It takes her 30sec to walk 90ft against the moving sidewalk in the opposite direction). Find the speed of the sidewalk and find Josie's Speed walking a non-moving ground.
Answer:
Step-by-step explanation:
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ggMary can mow Mrs. Greenway’s lawn in 45 minutes. Mary’s little brother takes twice as long to do the same lawn. How long will it take them if they each have a mower and they work together?
Answer:
30 minutes
Step-by-step explanation:
1/45 m + 1/90 m = 1
2/9 m + 1/90 m = 1
3/90 m = 1 Multiply both sides by 90/3
90/3 x 3/90 m = 1 x 90/3
m = 90/3
m = 30
Helping in the name of Jesus.
Use the information to find and compare ∆y and dy (Round your answers to three decimal places.)
y=4x^3 x=2 ∆x=dx=0.1
The values of derivatives Δy and dy are given as 0.48 and 4.8
The values of Δy and dy will be calculated using the formula Δy = f(x + Δx) - f(x) and dy = f'(x)dx. For calculating the values, we put the values which are given in the question that is
Δy = f(x + Δx) - f(x)
Δy = f(2 + 0.1) - f(2)
Δy = f(2.01) - f(2)
Δy = 4(2.01)³ - 4(2)³
Δy = 32.48 - 32
Δy = 0.48
Now, we have f(x) = 4x³, so we have f'(x) = 12x²
Now, dy = f'(x)dx
dy = 12x²dx
dy = 12(2)²(0.1)
dy = 4.8
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If 2 cards are selected from a standard deck of 52 cards.The first card is placed back in the deck before the 2nd card is drawn.What is the probability that a heart and a club will be drawn ?
There are 13 cards of each suit.
Picking a heart would be 13/52 which reduces to 1/4
Then replacing the card and picking a club would be the same : 1/4
Picking a heart then a club would be 1/4 x 1/4 = 1/16
Answer: 1/16
What’s the answer to 7x when x=8 I need help please
Answer:
56
Step-by-step explanation:
7x8=56
Step-by-step explanation:
7(8)
= 56
use tye substitution property
To help their patients, psychologists seek to control them, that is, to make the
patient conform to behavioral standards set up by the psychologist.
true or false ?
Answer: true
Step-by-step explanation:
Three friends, Billy, Joe and Paul plan to go on go on holiday.
Billy pays 1/2of the holiday cost.
Joe pays 2/5 of the holiday cost.
What fraction of the holiday cost does Paul pay.
Paul pays 1/10 of the holiday cost, while Billy pays 1/2 and Joe pays 2/5.
To determine the fraction of the holiday cost that Paul pays, we need to find the remaining portion after Billy and Joe have paid their shares.
Let's start by calculating the sum of the fractions Billy and Joe have paid:
Billy's share = 1/2
Joe's share = 2/5
To find the combined share of Billy and Joe, we add their fractions:
1/2 + 2/5
To add these fractions, we need a common denominator. The least common multiple of 2 and 5 is 10. So, we can convert the fractions to have a common denominator of 10:
1/2 = 5/10
2/5 = 4/10
Now, we can add the fractions:
5/10 + 4/10 = 9/10
Billy and Joe have paid a combined fraction of 9/10 of the holiday cost. To find the fraction that Paul pays, we need to determine the remaining portion, which can be calculated by subtracting the combined fraction from 1 (since 1 represents the whole).
Remaining fraction = 1 - 9/10
= 10/10 - 9/10
= 1/10
Therefore, Paul pays 1/10 of the holiday cost.
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At an online sports store, Jeremy bought 5 of the same pairs of shorts for him and his friends. He got free shipping because his total was at least $120. What was the minimum price of each pair of shorts? Write and solve an inequality to represent the situation.
Plz help no file
Answer:
24
Step-by-step explanation:
I'm pretty sure that it would be division so 120 divided by 5 is 24
Given f(x) = x² + 4x - 3, find f(-3)
O -3
O -6
O 0
O 18
Answer:
f(-3) = -6
Step-by-step explanation:
f(x) = x^2 + 4x - 3
f(-3) means to put -3 in place of x and then do the calculation.
f(-3)
= (-3)^2 + 4(-3) - 3
= 9 - 12 - 3
= -3 - 3
= -6
First square -3, its 9. Then multiply -3 and 4, that's -12. Then add everything.
f(-3) = -6
the ratio of the number of girls to the number of boys in a school is 9:10. There are 900 boys in the school.
Work out the total number of students in the school
Answer:
1710 students.
Step-by-step explanation:
=>900/10=90
=>90x9=810 (girls)
=>810+900=1710 students in total
Hope this helps! ;)
In a geometric sequence, the seventh term exceeds the fifth term by 1,920. Find the sum of
the first eleven terms if the common ratio of the sequence is 2. (81880)
Plz help :)))))))))))))))))))))))))))))))))))
Answer:
option 1
Step-by-step explanation:
because the x which is the domain cannot be repeated.
Hope I helped :)
Answer:
the second set of ordered pairs is not a function because they all have 1 at the end
For a circle with a radius = 4.3, find the following:
(Use π = 3.14 for all answers. Do not round!)
Circumference =
Area =
Answer: Circumference equals = 27.004
Area equals = 58.0586
We can write the area and circumferance of the given circle as 18.49π square units and 8.6π units.
What is a two - dimensional figure?A two - dimensional figure is a collection of two - dimensional points enclosed by a single dimensional entity. For example, triangle, circle, trapezium etc all represent a two - dimensional figure. The points inside these figures can be expressed as (x, y).Given is that a circle with a radius of 4.3.
We can write the area of the given circle as -
Area = πr²
Area = π x 4.3 x 4.3
Area = 18.49π square units
We can write the circumferance of the given circle as -
circumferance = 2πr
circumferance = 2 x π x 4.3
circumferance = 8.6π units
Therefore, we can write the area and circumferance of the given circle as 18.49π square units and 8.6π units.
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Evaluate f g for x=-2
(fg)(-2)= ??
Answer:
(fg)(-2) = 96
Step-by-step explanation:
\((fg)(-2)=6(-2)^{4} =6(16)=96\)
Hope this helps