Using proportions, it is found that they spent a total of £5.6 for these cartons of apple juice.
What is a proportion?A proportion is a fraction of a total amount, and the measures are related using a rule of three.
In this problem, the daily fraction of a carton they drink is given by:
\(\frac{1}{3} + \frac{2}{5} = \frac{5 + 6}{15} = \frac{11}{15}\)
Hence, applying the proportion, over 10 days, the amount of cartons they drink is given by:
\(10 \times \frac{11}{15} = \frac{110}{15} = 7.33\)
Rounding up, they buy 8 cartons, each at £0.7. Hence the total amount spent is given by:
8 x £0.7 = £5.6.
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A network's physical topology describes how signals travel electronically.
a. true b. false
The statement is true. A network's physical topology refers to the arrangement of devices and cables that determine how signals travel electronically.
The physical topology of a network describes the physical arrangement of devices, cables, and other components that make up the network infrastructure. It defines how these elements are connected and how signals flow between them. The physical topology is concerned with the actual layout and structure of the network.
There are different types of physical topologies, including bus, star, ring, mesh, and hybrid topologies. In a bus topology, devices are connected to a central cable, and signals travel along the cable to reach their destination. In a star topology, devices are connected to a central hub or switch, and signals are transmitted from the source device to the hub/switch, which then distributes the signal to the destination device. A ring topology connects devices in a circular manner, where signals travel in one direction around the ring.
The physical topology determines factors such as signal propagation, fault tolerance, scalability, and network performance. It plays a crucial role in determining how efficiently and effectively signals travel electronically within a network. Therefore, the statement that a network's physical topology describes how signals travel electronically is true.
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In this figure, AB¯¯¯¯¯∥CD¯¯¯¯¯ and m∠1=110°. What is m∠5? Enter your answer in the box.
Answer:
m∠5=110°
Step-by-step explanation:
if 1 is on top line of A and 5 is on the top line of C that would make it corresponding angles pairs that are congruent which they have the same measure so if m∠1=110° than m∠5=110°
-[52-[36-58(24x82) x36] +(-42)]=
Answer:
- [52 - [36 - 58 (24 x 82) x 36] + (-42)] = −4109158
what is the second solution to 3x^2-7x-6=0, if x=3 is one of the solutions
Answer:
-2/3
Step-by-step explanation:
plug in the quadratic formula.
the quadratic formula is (-b±√(b²-4ac))/(2a)
A in this scenario would be 3,
B in this scenario would be -7
C in this scenario would be -6
plugging in these values into the formula states that both solutions are 3, and -2/3
Let random variable S represent the age of the attendees at a local concert. The following histogram shows the probability distribution of the random variable S.
Alfonso claims that the distribution of S is symmetric with a mean age of 36. Does the histogram support Alfonso's claim?
The histogram doesn't support Alfonso's claim and the correct option is 5: No, the distribution is skewed to the left with a mean age greater than 36.
What is a histogram?
A histogram is a graphic depiction of a frequency distribution with continuous classes that has been grouped. A series of rectangles with bases equal to the distances between class boundaries and areas proportional to frequencies in the associated classes make up the area diagram.
Consider the given histogram at the photo below. It is an left-skew histogram, since it has a long tail to the left side.
We need to estimate the mean of the given data. To do so, we need to multiply each class midpoint with its probability, and sum them.
For example, for the first one, the midpoint is 32 and the probability is 0.03 (read the value on the y-axis). For, the second one, the midpoint is 33 and the probability is 0.04, for the third the midpoint is 34 and the probability is 0.05, and so on. All needed values are presented below.
1. midpoint = 32, probability= 0.03
2. midpoint = 33, probability = 0.04
3. midpoint = 34, probability = 0.05
4. midpoint = 35, probability = 0.1
5. midpoint = 36, probability =0.11
6. midpoint = 37, probability = 0.13
7. midpoint = 38, probability = 0.2
8. midpoint = 39, probability = 0.09
So, it is obtained that -
μ = 0.03 · 32 + 0.04 · 33 + 0.05 · 34 + 0.10 · 35 + 0.11 · 36 + 0.13 · 37 + 0.25 · 38 + 0.20 · 39 + 0.09 · 40
μ = 37.15
Therefore, this histogram is left-skewed with mean greater than 36.
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Hugo works in a shop. His normal rate of pay is $9.00 per hour. When Hugo works on Sundays, he is paid overtime for each hour. The overtime rate of pay is 1; times his normal hourly rate. Last weekend, Hugo worked 7 hours on Saturday and 4 hours on Sunday. Work out how money Hugo earned during that weekend.
Answer: $130
Step-by-step explanation:
Answer:
£111
Step-by-step explanation:
i tried it, its right
hi i don't get this question pls HELP! calculate the monthly repayments for the house loan(total cost divided by number of months) so for example i got my total cost that is 15,393,86 and i divided by the per month which is 12 so basically i did this and here is the answer:
(15,393,86 ÷ 12= 128282.1667) is this correct?
pls correct me and guid me
Yeah, it seems fine so you're doing great so far! ^^
sylvie needs $110 for a concert ticket. she already has $ 16 and she can earn the rest by working 10 hours at her job. if h represents her hourly earnings. select all the equations that can be solved to find sylvies hourly earnings
Given, Sylvie needs $110 for a concert ticket.
Sylvie has $16.
Her hourly earnings = $h
Sylvie is working 10 hours at her job.
She is getting in 1 hour = $h
So, 10 hours she will get = $ = $
So the total amount she has now = $16 + $(10h) = $()
So we can write the equation as,
110=16+10h
We can move 16 to the left side also. 16 is added to the right side. We can move it by using reverse operation of addition. Reverse operation of addition is subtraction. So we will subtract 16 from both sides. Subtracting 16 we will get,
110-16=16+10h-16
110-16=10h
We have got the required answer.
To find Sylvie's hourly income the correct options are option A and option D.
Sylvie needs 110
She Already Have 16
10 Per Hour
110 ÷ 10 = 11
She Will Got 110 If she Work 11 hours
110 - 16 = 94 ÷ 11 = 8
He Need to Spent Her 8 Hours To Get
110 Concert Ticket
Answered A right cylinder has a radius of 2 units and a height of 5 units. What is the volume of the cylinder? Round to the nearest tenth. 31.4 cubic units. 62.8 cubic units 157.1 cubic units 314.2 cubic units.
Answer:I believe the answer is b (62.8 cubic units)
Step-by-step explanation:
Answer:
62.8
Step-by-step explanation:
The volume of a right cone is 168
π
π units
3
3
. If its diameter measures 12 units, find its height.
Answer:48
Step-by-step explanation:
Ivanna makes 9 dollars for each hour of work. Write an equation to represent her total pay p after working h hours.
Answer:
9h=p
9 times the number of hours worked equals the total pay.
Select all the possible solutions of 20y < -5 + 18y.
A) y> -2.5
B)y> -
5
2
□C) y < - //
5/2
□E) y >
□F)y <-
-
☐D)-2.5> y
5
38
5
38
The possible solutions of the inequality expression given as 20y < -5 + 18y are (c) y < -5/2, y < -2.5 and (d) -2.5 > y
How to determine the possible solutions of the inequality?From the question, we have the following parameters that can be used in our computation:
20y < -5 + 18y.
To start with, we need to collect the like terms of both sides
Using the above as a guide, we have the following:
20y -18y < -5
Next, we need to evaluate the like terms of both sides
Using the above as a guide, we have the following:
2y < -5
Lastly, we divide both sides by 2
y < -5/2
Express as decimal
y < -2.5
Switch the positions
-2.5 > y
Hence, the solutions are y < -5/2, y < -2.5 and -2.5 > y
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I'm so confused. Please help,thanks!
14 Aditi, Becky and Calli collect coins.
Aditi has 6 more coins than Becky.
Calli has 1 less coin than Aditi.
Altogether they have 71 coins.
How many coins do they each have?
Show all your working.
Aditi 6. callie 5. 71-11=60
jina made $342 for 18 hours of work. at the same rate how many hours would she have to work to make $209
Answer:
11 hours
Step-by-step explanation:
x is for Lindas hourly rate
18x=342
18x/18=342/18
x=19
209/19 = 11 hours
Chanel found a used bookstore that sells pre-owned DVDs and CDs. DVDs cost $9 each, and CDs cost $6 each. Chanel can spend no more than $108.
The question is incomplete. Kindly see the correct question below
Chanel found a used bookstore that sells pre-owned DVDs and CDs. DVDs cost $9 each, and CDs cost $6 each. Chanel can spend no more than $108 Write an inequality that represents this
Answer:
9D +6C < 108
Step-by-step explanation:
Let the price of Dvd be D
Let the price of CDs be C
Hence the inequality can be represented as follows
9D + 6C < 108
A line passes through the origin point (3,5). What is the slope of the line
Answer:
3/5
Step-by-step explanation:
just took the test
Answer:
3/5
Step-by-step explanation:
hope it helps :D
A map uses a scale 3/4 inch = 80 miles. The actual distances between various cities are given below. Find the distance between the cities on the map.
320 miles
The distance between the two metropolises on the chart is 9 elevation.
What's distance?
Distance refers to the quantum of space between two points or objects. It's a physical volume that can be measured and is generally expressed in units similar as measures, kilometers, long hauls, or bases.
According to question-
In this case, the scale of the chart is3/4 inch = 80 long hauls.
So, for every3/4 inch on the chart, the factual distance in real life is 80 long hauls.
To find the distance between metropolises on the chart, we need to convert the factual distance into a distance on the chart using the scale.
Let's suppose the factual distance between two metropolises is 240 long hauls. also, to find the distance between those metropolises on the chart, we can set up a proportion
/ 4 inch 80 long hauls = x elevation 240 long hauls
We cancross -multiply to break for x
inch * 240 long hauls = 80 long hauls * x elevation
720 = 80x
x = 9 elevation
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Find the measure of angle BCA
Answer: I think it's 30 degrees. Sorry if I'm wrong.
Step-by-step explanation:
prove: if the bisector of an exterior angle of a triangle is parallel to a side of the triangle, the triangle is isosceles
The proof that if bisector of an exterior angle of a triangle is parallel to a side of triangle, triangle is isosceles is shown below .
In the question ,
it is given that ,
the angle bisector of the exterior angle of a triangle is parallel to a side .
we have to prove that the triangle will be an isosceles triangle .
In the triangle ABC given below , AB is extended to AD ,
SO , the exterior angle will be angle DAC ,
let AE be the bisector of the the angle .
So , the equal angles are angle DAC and angle EAC .
it is given that AE is parallel to BC , where BC is base .
we know that ,
if any line intersects two parallel lines then every pairs of alternative Interior angles are same and also their corresponding angles are equal .
Here AE is parallel to BC and line BD intersects them ,
So , angle ABC = angle DAE ( corresponding angles )
angle ACB = angle EAC ( alternate angles )
Now , as AE is the bisector of angle DAC ,
we have , angle DAC = angle EAC
So , we get , angle ABC = angle ACB .
In triangle triangle ABC two angles are equal so , the sides opposite to angles to angles will also be equal
that means , AB=AC
Hence , the given Triangle is an isosceles triangle .
Therefore , it is proved that the triangle ABC is an isosceles triangle .
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What is the missing letter in the pattern below?
t, s, r, q, _, o, n, m,...
A. u
B. p
C. l
D. v
The missing letter is p. The correct option is B. p
Letter patternFrom the question, we are to determine the missing letter in the given pattern
The given pattern is
t, s, r, q, _, o, n, m,...
Consider the English alphabet
a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z.
If we study the pattern, we will realize that the alphabets are in the reverse order.
Hence, the missing letter is p. The correct option is B. p
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small insurance company offers two plans, catastrophic and bronze. The catastrophic plan costs $170 per person per month, and the bronze plan costs $480 per person per month. Each month, the insurance company earns $477,300 from the 1,285 people that have purchased their insurance plans. Which of the following systems of equations represents the relationship between the number of catastrophic plans, c, and the number of bronze plans, b, per month?
The system of equations are:
c + b = 1285
170c + 480b = 477,300
What are the equations?Two equations would be derived from the information provided in the question. The equations are known as simultaneous equations. The equations would have to be solved together in order to determine the required values.
The methods that can be used to solve simultaneous equations are:
Elimination method Substitution method Graph methodThe form of the equations is:
Number of catastrophic plan sold + number of bronze plans sold = total plans sold
Cost of the catastrophic plan x number of the plan sold) + (number of bronze plan sold x cost of the plan) = total cost of the plans
c + b = 1285
170c + 480b = 477,300
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Given that sin x + cos x =2/5, find sin^4 x + cos^4 x
It is given that \(sin x + cos x = 2/5\).To find: \(sin4 x + cos4 x\) We know that \(sin2 x + cos2 x = 1or sin2 x = 1 - cos2 x\)…(1)Also\(,sin x + cos x = 2/5 2)\) Squaring on both sides of equation (2),
we get:\((sin x + cos x)2= (2/5)2sin2 x + cos2 x + 2 sin x\)
\(cosx = 4/25or (1- cos2 x) + 2 sin x cos x = 4/25\)
)Squaring both sides of equation (1),
we get:\(sin4 x + cos4 x - 2 sin2 x cos2 x= (sin2 x + cos2 x)2 - 2 sin2 x cos2 x= 1 - 2 sin2 x cos2 x\) Putting the value of sin2 x cos2 x from equation (3),
we get: \(sin4 x + cos4 x = 1 - 2 (9 - 25 cos2 x)/50= 1 - (9 - 25 cos2 x)/25= (250 - 9 + 25 cos2 x)/25= (241 + 25 cos2 x)/25\)
Thus, \(sin4 x + cos4 x = (241 + 25 cos2 x)/25\), given sin x + cos x = 2/5.More than 250 is not a part of the solution.
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Josh swam 25 laps in 50 minutes. At that rate, how long will it take to swim 35 laps?
Answer:
70 Minutes
Step-by-step explanation:
Divide 25 into 50 to get 2 and then multiply 2 x 35 to get 70
!!I need help seriouslyyy!!
The average cost per day for the four service is $3.23 per day
What is average cost?Average cost refers to the per-unit cost of production, which is calculated by dividing the total cost of production by the total number of units produced.
Therefore average cost = total cost/ number of unit
total cost = $108
average cost for the three services = $108/3
= $36
total average cost = $36+$54.30
= $90.30
therefore average cost for a day will be average cost for a month over 28day i.e 7days ×4
= 90.30/28
= $3.23 per day
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a fair 6-sided die is rolled 10 times and the resulting sequence of 10 numbers is recorded. how many different sequences consist entirely of even numbers?
The number of different sequences consist entirely of even numbers is 3¹⁰ as a fair 6-sided die is rolled 10 times and the resulting sequence of 10 numbers is recorded.
What is even number?An even number is one that can be divided by two and leaves a residue of zero. Even numbers include 2, 4, 6, 8, 10, and so on. Let's say, for instance, that you have 10 chocolates. There are two sets of these chocolates that each include five chocolates. Ten is therefore an even number. An even number is any integer that can be divided by 2 precisely. The final digit of an even integer is always one of the following: 0, 2, 4, 6, or 8. Even numbers can include 2, 4, 6, 8, 10, 12, and 14.
Here,
The series only contains even integers.
The 6-sided dice have 3 even numbers. 2,4,6 are even numbers.
Three even results are conceivable.
The number of different sequences consist entirely of even numbers,
=3¹⁰
When a fair 6-sided die is rolled 10 times and the ensuing sequence of 10 numbers is recorded, there are 3¹⁰ distinct sequences that only contain even numbers.
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find the least common multiple of 7 and 9
Answer:
63
Step-by-step explanation:
Answer:
63
Step-by-step explanation:
Question 1 (Multiple Choice Worth 1 points)
(02.04 LC)
A student is running a 10-kilometer race. He runs 1 kilometer every 4 minutes. Select the function that describes his distance from the finish line after x minutes.
1: f(x)=1/4x+10
2: f(x)=-1/10x+4
3: f(x)=1/10+4
4: f(x)=-1/4x+10
The correct function that describes the student's distance from the finish line after x minutes is f(x) = -1/4x + 10.
The correct function that describes the student's distance from the finish line after x minutes can be determined by analyzing the given information. We know that the student runs 1 kilometer every 4 minutes, and the race is a total of 10 kilometers.
Let's examine the options:
1. f(x) = 1/4x + 10
This function represents the distance covered by the student in x minutes, but it does not account for the fact that the total race distance is 10 kilometers.
2. f(x) = -1/10x + 4
This function has a negative coefficient for x, which would indicate that the student is getting farther away from the finish line as time progresses, which is not the case.
3. f(x) = 1/10 + 4
This function is a constant and does not change with time, so it cannot describe the student's distance from the finish line.
4. f(x) = -1/4x + 10
This function correctly represents the student's distance from the finish line. The negative coefficient for x indicates that the distance decreases as time progresses, and the constant term of 10 represents the initial distance from the finish line, which is 10 kilometers.
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if the mean of a data set is large, the standard deviation has to be large also. true or false
False.
It is not necessary that if the mean of a given dataset is large then the standard deviation has to be large. Mean is the average of all the elements in a dataset and Standard Deviation is the average of deviation of all elements from the mean of the dataset. For instance, take 10 consecutive large numbers, then the mean of the numbers is also large but since the numbers are not widely dispersed, the standard deviation is small in magnitude.
Therefore, the given statement is False.
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Dave bought 8 boxes of chocolate candy and gave 2 boxes to his little brother. if each box has 17 pieces inside it, how many pieces did dave still have?
Answer:
17×6=102 because he gave 2 boxes to his brother so he have 6 boxes