Eli’s Electronics has a 60-inch television on sale this week for $798. The television is regularly priced for $1,050. By what percent did the price of the television decrease?
Answers
1050 x .24% = 252
1050 - 252 = 798
Related Questions
Hey can anyone help me understand how to graph this?
Answers
Answer:
Step-by-step explanation:
?
PLEASE HELP ME!! I NEED HELP WITH THIS!!
Answers
Answer:
D
Step-by-step explanation:
To reflect over the Y axis, the X values of each coordinate must be made into opposites. So a coordinate with the form (x,y) will become (-x,y) when reflected across the Y axis, which is needed here.
The EverGlow nuclear power plant releases water into Lake Fishbegone every afternoon at 4:51 p.m. Environmental researchers are concerned that fish are being driven away from the area around the plant. They believe that the temperature of the water discharged may be a factor. The data table below gives the temperature of the water released by the plant and the measured distance (in meters) from the outflow pipe of the plant to the nearest fish found in the water on several randomly chosen afternoons. A scatterplot of the data and the least-squares regression line are given.
What is the slope of the least-squares regression line? *
A. -74.704
B. 5.791
C. 12.196
D. 0.946
Answers
9514 1404 393
Answer:
B. 5.791
Step-by-step explanation:
The slope of the line is the coefficient of x in its equation. The equation is ...
ŷ = -74.704 +5.791x
The coefficient of x, the slope, is 5.791.
3. Federal rules state that a drone cannot fly within 5 miles of an airport. If a drone is 2.71 miles east and
3.92 miles north of the nearest corner of an airport and is flying at a height of 0.07 miles above the
ground, is it in violation of the rule?
OYes, because it is approximately 4.77 miles from the nearest corner of the airport.
O Yes, because it is approximately 4.84 miles from the nearest corner of the airport.
No, because it is approximately 6.56 miles from the nearest corner of the airport.
O No, because it is approximately 6.70 miles from the nearest corner of the airport.
Answers
Answer:4.77
Step-by-step explanation:yes it is exactly 4.77 miles from the closet corner of the airport
if you need more of an example i have that aswell
an Expression for difference of a number s and -6
Answers
After answering the given query, we can state that The expression for the difference between a number s and -6 is: s - (-6) or s + 6
what is expression ?In numbers, you can multiply, split, add, or take away. The following is how a phrase is made together: Numeric number, expression, and arithmetic operator The elements of a mathematical expression are integers, factors, and functions. It is feasible to use contrasting words and terms. Any mathematical declaration containing variables, integers, and a mathematical action between them is known as an expression, also known as an algebraic expression. As an example, the expression 4m + 5 is composed of the expressions 4m and 5, as well as the variable m from the provided equation, which are all separated by the mathematical symbol +.
The expression for the difference between a number s and -6 is:
s - (-6)
or
s + 6
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1. Find the slope of the line through
(-2,1) and (4,-2).
Answers
Answer: ________________________________________________
f(x) = -1/2x
Answer:
Step-by-step explanation:
slope = y2-y1/x2-x1
-2-1/4-(-2)=-3/6=-1/2 or -0.5
What is the length of AB?
Answers
Answer:
10
Step-by-step explanation:
AB²=8²+6²
=64+36
=100
AB=10
Answer:
10 units
Step-by-step explanation:
Pythagorean Theorem:
a² + b² = c²
6² + 8² = c²
c = √100
10 units
BRAINLIEST please if this helped!It is estimated that 78% of drivers use their turn signal.
Part A: What is the probability that exactly 3 drivers use their turn signal if a police
officer pulls over five drivers? (5 points)
Part B: What is the probability the next driver using their turn signal that the police
officer pulls over is the fifth driver? (5 points) (10 points)
I
Answers
Answer:
A) 0.23
B) 0.14
Step-by-step explanation:
Part A)
To solve this question, we'll have to use the Bernoulli formula.
The formula claims that the probability to get \(k\) successes out of \(n\) attempts is given by \(\binom{n}{k}p^k(1 - p)^{n - k}\).
In our case, \(n = 5\), \(k = 3\), and \(p = 0.78\).
Therefore, the probability that 3 out of the 5 drivers use their turn signal is
\(\binom53 \times 0.78^3 \times 0.22^2 \to 0.23\)
Part B)
We are told that the police officer pulled over 5 drivers, 3 of them using turn signals. In this part, we are asked "what is the probability that the 5th driver uses the turn signal and only 2 of the previous four drivers use turn signals?".
\(0.78 \times \binom42 \times 0.78^2 \times 0.22^{4-2}\\\to 0.14\)
The point P=(1/2,y)lies on the unit circle shown below. What is the value of y in simplest form?
Answers
The value of y in simplest form for the point P = (1/2, y) lying on the unit circle is y = ± √(3)/2.
To find the value of y in simplest form for the point P = (1/2, y) lying on the unit circle, we can use the equation of the unit circle, which states that for any point (x, y) on the unit circle, the following equation holds: x^2 + y^2 = 1.
Plugging in the coordinates of the point P = (1/2, y), we get:
(1/2)^2 + y^2 = 1
1/4 + y^2 = 1
y^2 = 1 - 1/4
y^2 = 3/4.
To simplify y^2 = 3/4, we take the square root of both sides:y = ± √(3/4).
Now, we need to simplify √(3/4). Since 3 and 4 share a common factor of 1, we can simplify further: y = ± √(3/4) = ± √(3)/√(4) = ± √(3)/2.
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A bag is filled with an equal number of red, yellow, green, blue, and purple socks. The theoretical probability of a child drawing 2 yellow socks from the bag with replacement is one fifth. If the experiment is repeated 175 times, what is a reasonable prediction of the number of times he will select 2 yellow socks?
one fifth
10
25
35
Answers
35 is a reasonable prediction of the number of times he will select 2 yellow socks?
what is probability?Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, where 0 indicates that an event is impossible, and 1 indicates that an event is certain to occur. The probability of an event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.
What is event?In probability theory, an event is a set of outcomes or a subset of a sample space. In simpler terms, an event is anything that can happen, or any possible outcome of an experiment or observation. An event can be a single outcome, or it can consist of multiple outcomes.
In the given question,
The theoretical probability of drawing two yellow socks with replacement from a bag containing equal numbers of red, yellow, green, blue, and purple socks is:
P(drawing two yellow socks) = P(yellow) * P(yellow) = (1/5) * (1/5) = 1/25
So, the probability of drawing two yellow socks from the bag in any given trial is 1/25.
To predict the number of times the child will select two yellow socks in 175 trials, we can use the formula for the expected value of a discrete random variable:
E(X) = n * p
where E(X) is the expected number of times the event occurs, n is the number of trials, and p is the probability of the event occurring in a single trial.
In this case, n = 175 and p = 1/25. So,
E(X) = 175 * (1/25) = 7
Therefore, a reasonable prediction of the number of times the child will select two yellow socks in 175 trials is 7. Since this prediction is not one of the answer choices, the closest option is 35, which is more than five times the expected value. However, this is within the range of possible outcomes due to the random nature of the experiment.
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find solutions to the linear equation −3x−y=27.
Answers
Answer:
×=3×+y=27
Step-by-step explanation:
the variables are not the same so you cant do anything
Gerald has a punch bowl in the shape of a hemisphere as shown below.
One cup is equivalent to approximately 15 cubic inches. Which of the following is closest to the maximum number of cups the punch bowl can hold?
A. 60 cups
B. 45 cups
C. 30 cups
D. 18 cups
Answers
The closest to the maximum number of cups the punch bowl can hold is 30
How to determine the number of cups?The given parameters are:
1 cup = 15 cubic inches
Diameter of bowl, d = 12 inches
The radius is the half of the diameter.
So, we have:
r = 6
The volume of the bowl is then calculated using:
\(V = \frac{2}{3}\pi r^3\)
This gives
\(V = \frac{2}{3}\pi * 6^3\)
Evaluate
V = 452.16
The maximum number of cups is then calculated using:
Cups = 452.16/15
Evaluate
Cups = 30.1444
Approximate
Cups = 30
Hence, the closest to the maximum number of cups the punch bowl can hold is 30
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A, B, C and D are four towns.
B is 30 kilometres due East of A.
C is 30 kilometres due North of A.
D is 45 kilometres due South of A.
a) Work out the bearing of B from C.
A.
B
b) Calculate the bearing of D from B.
Answers
The bearing of B from C is 90 degrees, and the bearing of D from B is 90 degrees
From the given parameters, we can deduce that the positions of locations B, C and D are directly on the vertical and horizontal axes with respect to point A.
See attachment for the diagram that illustrates the positioning of these points.
From these diagram, we can conclude that the bearing and the bearing of D from B is 90 degrees
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suppose c(x) = x^3-10x^2-30x, where x is measured in thousands of units. is there production level that minimizes average cost?
Answers
Answer:
To find out whether there is a production level that minimizes the average cost, we need to find the average cost function first. The average cost (AC) function is given by:
AC(x) = C(x)/x
where C(x) is the cost function and x is the production level.
Substituting the given cost function into the above equation, we get:
AC(x) = (x^3 - 10x^2 - 30x)/x
AC(x) = x^2 - 10x - 30
To find the production level that minimizes the average cost, we need to find the derivative of the average cost function and set it equal to zero:
AC'(x) = 2x - 10
Setting AC'(x) = 0, we get:
2x - 10 = 0
2x = 10
x = 5
Therefore, the critical point of the average cost function is x = 5, which means that there may be a production level that minimizes the average cost. To confirm whether this is a minimum or maximum point, we need to find the second derivative of the average cost function:
AC''(x) = 2
Since AC''(5) = 2 is positive, we can conclude that the critical point x = 5 is a local minimum of the average cost function. Therefore, there is a production level of 5,000 units that minimizes the average cost
S-348
a-1.7 t
Area
Perimeter
Type
s = 3.3 yds
a = 1 65 yds
Area
Perimeter:
Type:
7)
s=5.4 mm
a = 2.57 mm
Area:
Perimeter:
Type:
Identify and Calculate the Area and Perimeter for ea
2)
a-8.2 yds
c-94 yds
Area
Perimeter.
Type:
5)
a
b
Ares
8)
a 66 cm
Triangle
h
Perimeter
Type.
Area
b-4.6 yds
a
h- 5.98 cm
Trapezoi
a=2.5 cm
a-1.25 cm
Perimeter
Type
Can someone solve help solve these???
Answers
A population of rare birds in town is currently listed at 2,000. It is declining at a rate of 2% per year. How many birds will be left after 20 years? Round your answer to the nearest whole number.
A. 1,335 birds
B. 1,980 birds
C. 2,972 birds
D. 23 birds
Answers
Option(A) is the correct answer is A. 1,335 birds.
To calculate the number of birds that will be left after 20 years, we need to consider the annual decline rate of 2%.
We can use the formula for exponential decay:
N = N₀ * (1 - r/100)^t
Where:
N is the final number of birds after t years
N₀ is the initial number of birds (2,000 in this case)
r is the annual decline rate (2% or 0.02)
t is the number of years (20 in this case)
Plugging in the values, we get:
N = 2,000 * (1 - 0.02)^20
N = 2,000 * (0.98)^20
N ≈ 2,000 * 0.672749
N ≈ 1,345.498
Rounded to the nearest whole number, the number of birds that will be left after 20 years is 1,345.
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Divide negative 2 by 5 over 9
Answers
Answer:
-3.6
Step-by-step explanation:
Answer:
decimal form: -3.6
fraction form: -18/15
mixed number form: -3 3/5
Step-by-step explanation:
have a good day! <3
Suppose that there is a black urn containing nine black balls and three yellow balls and there is a yellow urn containing six black balls and six yellow balls. An experiment consists of selecting at random a ball from the black urn and then (without replacing the first ball) selecting at random a ball from the urn having the color of the first ball.
Required:
a. Construct a tree diagram showing the probabilities associated with this problem. Write a probability on each branch (6 branches).
b. Find the probability that the second ball is yellow.
Answers
Answer:
See Annex for tree diagram and all probabilities
b) P(2y) = 0,329
Step-by-step explanation:
a) Attached
b) Probability of the second ball is yellow P(2y) is equal to the probability of the second ball is yellow given that the first one is black ( 0,204 ) plus the probability f the second ball is yellow given that the first one is yellow ( 0,125)
P(2y) = 0,204 + 0,125
P(2y) = 0,329
A grocer wishes to make 50 kilos of tea by mixing two grades of tea worth rs.16 and rs.18 per kilo respectively .if he wishes to sell the mixed tea at rs.16.80 per kilo ,how many kilos of each grade of tea should he mix?
Answers
Answer:
11.1 and 38.9
Step-by-step explanation:
16x + 18 (1-x) = 16.89
2x = 1.11
x = 0.222
0.222 x 50 = 11.1
50-11.1 = 38.9
Question 3(Multiple Choice Worth 3 points)
(01.04 LC)
Which of the following expressions is equivalent to 2x +4? (The x+4 is to the power of x)
A) 8(2) ^x
B) 2^x/8
C) 16(2)^x
D) 2^x/16
Answers
The expression that is equivalent to the expression 2ˣ⁺⁴ is 16(2ˣ)
Which expression is equivalent to the expressionFrom the question, we have the following parameters that can be used in our computation:
2ˣ⁺⁴
The above expression is an exponential expression with the following properties
Base = 2Exponent = x + 4When the above expression is expanded, we have
2ˣ⁺⁴ = 2ˣ * 2⁴
Evaluate the expression 2 exponent 4
So, we have the following representation
2ˣ⁺⁴ = 2ˣ * 16
Rewrite as follows
2ˣ⁺⁴ = 16 * 2ˣ
This gives
2ˣ⁺⁴ = 16(2ˣ)
Hence, the expression that is equivalent to the expression is 16(2ˣ)
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marking brainliest right away!!!!
Answers
Answer:
(-3,-1)
Step-by-step explanation:
When you graph it on a graphing paper, you can see that the graph touches it but barely
What is the slope-intercept form of a line that contains the point (-2,-11) with a slope=4?
PLZ HELP I ONLY HAVE 10 minutes left
Answers
Answer:
I believe its c.
Step-by-step explanation:
There using the equation mx+b=y. M is the slope(4), b is the y intercept (3).
Answer:
The correct choice is D.
These shapes are similar.
Find X.
5
5
30
24
30
Answers
Answer: 4
Step-by-step explanation:
The width of a picture frame is 1\2 the length. Write an algebraic expression of four terms for the perimeter of the picture frame. Use l as your variable.
Answers
An algebraic expression for the perimeter of the picture frame is P = 3L.
Let the length of the picture frame be L.Let the width of the picture frame be W.Let the perimeter of the picture frame be P.Translating the word problem into an algebraic equation, we have;
The width of a picture frame is half (\(\frac{1}{2}\)) the length:
\(W=\frac{L}{2}\)
Formula for the perimeter of a rectangle.Mathematically, the perimeter of a rectangle is given by the formula;
\(P=2(L+W)\)
Where:
P is the perimeter of a rectangle.L is the length of a rectangle.W is the width of a rectangle.Substituting the parameters into the formula, we have;
\(P=2(L+\frac{L}{2})\)
Simplifying further, we have:
\(P=2L+L\\\\\)
P = 3L
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5 points
You went to go buy a PlayStation 5 that was on sale for 25% off. The
cashier adds tax the total your bill is $529.99. AFTER you take off the 25%
for the sale you pay the cashier $600, then how much change will you
receive back? Round to the nearest hundredth.
Answers
Answer:
70.01 so 70
Step-by-step explanation:
Answer:
70
Step-by-step explanation:
600 - 529.99 = 70.01
70.01 is rounded to 70
Answer is 70
THIS IS A GCF PROBLEM FOR A2 HELP!!!
Answers
Quadrilateral A'B'C'D' is the image of
quadrilateral ABCD under a dilation with a scale
factor of 3. What is the length of segment BC?
Answers
By using the concept of dilation factor, length of BC obtained is 3 units
What is dilation factor?
Dilation is a transformation which changes the size of a figure by a certain factor.
That factor is called the scale factor
In the figure, A'B'C'D' is the image of ABCD under dilation with a scale factor of 3
A'B'C'D' is the dilated figure
Length of B'C' = 9 units
Length of BC = \(9 \div 3\) = 3 units
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Complete Question
The figure has been attached here
A water fountain dispenses 50 gallons of water in 20 minutes. At this rate, how many gallons of water will it dispense in 5 minutes? ANSWER NOW I WILL GIVE YOU A BRAINLLEST
Answers
Answer:
ALL THE ANSWERS ARE HERE AND EXPLAINED
Step-by-step explanation:
Answer:
If 50gallons of water are dispensed in 20 minutes then 12.5 gallons of water would be dispensed in 5 minutes
Step-by-step explanation:
\(\frac{50gallons}{20 minutes}\) = 2.5 gallons a minute
2.5 gallons X 5 minutes= 12.5 gallons dispensed in 5 minutes
3x - [2 +3 (2-x) = S-(3-X)
Answers
Which set of numbers is closed under subtraction? *
Natural numbers
Integers
Irrational numbers
Odd numbers
Answers
Answer:
irrational numbers
Step-by-step explanation: