A professor had students keep track of their social interactions
for a week. The number of social interactions over the week is
shown in the grouped frequency distribution. Identify the lower
limit of the fifth class.
The lower limit of the fifth class is
(Type a whole number.)

A Professor Had Students Keep Track Of Their Social Interactionsfor A Week. The Number Of Social Interactions

Answers

Answer 1

The lower limit of the fifth class for the track of social interactions

for a week is 50.

Explain the term lower limit of the class?The frequency distribution has an upper class limit and a lower class limit for each class.The smallest data point that really can correspond to a class is known as the lower class limit. The largest data object that can be a member of a class, or upper class limit.

Allow the class intervals to be 30 - 34, 35 - 39, 40 - 44, 45 - 49, 50 - 54, etc. for some aggregated data.

In this case, the distribution is continuous, and all of the class intervals overlap.

Fifth class ; 50 - 54,

The class boundaries of the range from 50 - 54, 50 is the lower limit while 54 is the upper limit.

Thus, the  lower limit of the fifth class for the track of social interactions

for a week is 50.

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Related Questions

need help pelase i need it

Answers

Door:80( actual height) 44( height on set)

Table 28( actual height) 15.4 ( height on set)

Stool 18 ( actual height) 9.9 ( height on set)

Step-by-step explanation:

Times the actual height inches by 0.55 and you get your height on set.

If the simple interest on ​$2000 for 4 years is ​$480​, then what is the interest​ rate?

Answers

Answer: 6%

Step-by-step explanation:

R=100×480/2000×4

R=6%

Answer:

R

=

6

%

Step-by-step explanation:

The formula for Simple Interest is

S

I

=

P

R

T

100

Change the subject to be R.

R

=

100

×

S

I

P

T

Once that is done, we just need to substitute the values.

R

=

100

×

480

2000

×

4

R

=

6

%

Which equation is perpendicular to y = 2/3 x - 4?
a. y = -3/2 x + 4
b. y= 2/3 x - 4
c. y = -2/3 x + 4
d. y = 3/2 x - 4

Answers

Answer:

Your answer is A) [tex]y=-\frac{3}{2}x-4[/tex]

Step-by-step explanation:

This is because the slope of a perpendicular line is a negative reciprocal in relation to the original line. In this example, [tex]\frac{2}{3}[/tex] is flipped to [tex]-\frac{3}{2}[/tex]

Stanley runs, swims, and bikes every day. During these workouts, he runs at 9 mph, bikes at 16 mph, and swims at 2.5 mph. Yesterday, he ran for half an hour longer than he swam, and his biking time was twice his running time. How long did Stanley run, swim, and bike yesterday if the total distance he covered was 64 miles?
what distance did stanley swim run and bike
PLEASE HELP

Answers

The time  did Stanley run, swim, and bike yesterday if the total distance he covered was 64 miles is 1.5 hrs, 1 hrs, 3 hrs. The distance is 13.5 miles, 2.5 miles , 48 miles.

How to find the distance and time?

Let t represent the  time he ran

Let t -.5 represent  time he swam

Let 2t represent the  biking time

Hence,

9t + 2.5(t-.5) + 16(2t) = 64

9t + 2.5t - 1.25 + 32t = 64

Collect like terms

43.5t = 64 + 1.25

Divide both side by 43.5t

t = 65.25/43.5

t = 1.5 hrs (Time he ran)

So,

Time he swam

t -.5 where t is 1.5 hrs

1.5-.5 = 1 hr (Time he swam)

Biking time

2t where t is 1.5 hrs

2(1.5) = 3 hrs (biking time)

Distance of each

1.5(9) = 13.5 miles  (running)

1(2.5) = 2.5 miles   (swimming)

3(16) = 48 miles  (biking)

Total distance = 13.5 miles + 2.5 miles + 48 miles

Total distance = 64 miles

Therefore the time  is 1.5 hrs, 1 hrs, 3 hrs and the distance is 13.5 miles, 2.5 miles , 48 miles.

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HELP THANKS SO MUCH!!!!!!

Answers

Answer:

.62 each

Step-by-step explanation:

A recipe for a trail mix calls for 6 cups of Chex mix and 8 cups of pretzels how many cups of pretzels are needed to make 112 cups of trail mix

Answers

Answer:3/2

Step-by-step explanation: so you have the number of cups of Chex Mix in the bag is 3x = 3*9 = 27 cups and the number of cups of chocolate chips is 2x = 2*9 = 18 cups. Indeed, we see that 27 + 18 = 45 and 27/18 = 3/2 as required.

(01.06 MC)
Solomon invested money in his bank account. He had a principal, P,
of $100 in his account at the beginning of the period, which
increased at a rate, r, of 0.15 per year. At the end of the period, he
had interest, I, of $135 in his account. Use the simple interest
formula 1 = Prt, to solve for the time, t, in months that it took to
earn this amount. (1 point)

Answers

Answer:

700 months

Step-by-step explanation:

À class counted how many banks were in all the nearby cities.
Richmond has________more banks than Dollarville ​

Answers

Answer:

4

Step-by-step explanation:

Richmond has 7 and Dollarville has 3. 7 - 3 = 4

In order to accumulate enough money for a down payment on a​ house, a couple deposits $406 per month into an account paying 3% compounded monthly. If payments are made at the end of each​ period, how much money will be in the account in 6 ​years?

Answers

In 6 years, the couple will have $32,916.38 in the account.

what is the value of the expression 0.307+13.16+0.8​

Answers

Answer:

The Answer of the 0.307+13.16+0.8 is 14.267

4) The trapezoid I'J'K'L' is a dilation of the trapezoid IJKL. What is the scale factor of the
dilation?
I
-10 -8 -6 -4
I'
~
104
8
6
4
2
2
-4
-6
-8
L'
L
J'
K'
4
6
J
K
10
10
4) Simplify your answer and write it as a proper fraction, an improper fraction, or a whole
number.

Answers

Answer:4

Step-by-step explanation:

16/4=4

The scale factor of the dilation is, 1/4.

What is Division method?

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

We have to given that;

The trapezoid I'J'K'L' is a dilation of the trapezoid IJKL.

Here, The length of IJ = 16

And, The length of I'J' = 4

Hence, The scale factor of the dilation is,

⇒ I'J' / IJ = 4 / 16

               = 1/4

Thus, The scale factor of the dilation is, 1/4.

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marking brainiest
:)

Answers

Answer:

Step-by-step explanation:

Find a polynomial f(x) of degree 5 that has the following zeros.
-2, 3, 7, 0, 4
Leave answer in factored form

Answers

The polynomial f(x) of degree 5 that has the following zeros is

f(x) = (x+2) (x-3) (x-7)(x-0) (x-4).

What is meant by polynomial?

Using mathematical operations like addition, subtraction, multiplication, and division, a polynomial is an expression made up of variables, constants, and exponents. In many branches of mathematics and science, polynomials are used. For instance, they are used to define polynomial functions, which show up in settings ranging from basic chemistry and physics to economics and social science. They are also used in calculus and numerical analysis to approximate other functions. Polynomial equations are used to form these functions.

The function's zeros are expressed as follows:

f(x) = (x-a)(x-b)..... where the a, b  are the zeros

f(x) = (x-(-2)) (x-3) (x -7)(x-0) ( x-4)

f(x) = (x+2) (x-3) (x-7)(x-0) (x-4)

Therefore, the polynomial f(x) of degree 5 that has the following zeros is

f(x) = (x+2) (x-3) (x-7)(x-0) (x-4)

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A population of lizards in a large region doubles every year. The number of lizards can be
modeled by the equation y = 500 * 2 ^ x where
× is the number of vears after a researcher
measures the population size . When x = - 3
-3what does the value of y represent ?

Answers

The value of y when the value of x is -3 for the equation,y = 500×2ˣ will be y=62.5.

What is the equation?

An equation is a statement that two expressions, which include variables and/or numbers, are equal. In essence, equations are questions, and efforts to systematically find solutions to these questions have been the driving forces behind the creation of mathematics.

It is given that, the given equation of is, y = 500×2ˣ

We have to find the value of y when x = - 3.

y = 500×2ˣ

y=500×2⁻³

y=62.5

Thus, the value of y when the value of x is -3 for the equation,y = 500×2ˣ will be y=62.5.

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Montraie has 1 1/2 cups of yogurt to make smoothies. Each smoothie uses cup of 3/4 yogurt. How many smoothies can Montraie make with the yogurt?​

Answers

Montraie can make 2 cups of smoothies with the yogurt

How to determine the number of smoothies in the yogurt

From the question, we have the following parameters that can be used in our computation:

Cups of yogurt = 1 1/2

Each smoothie = 3/4 yogurt

Assume there exist a proportional relationship between the cups and the yogurt

The number of smoothies in the yogurt can be calculated using the following equation

Smoothies = (1 1/2)/(3/4)

Evaluate the quotient

Smoothies = 2

Hence, the cups is 2 yogurt

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Please help I was sick and missed out on class.Thank you

Answers

hope this help lovely!

Answer:

Step-by-step explanation:

Start with y intercept (Where the line crosses the y-axis)

You place the first dot on (0,2)

Negative slope goes down

For the second dot, you go down one and move two to the right

Ashley's company makes solid spherical balls out of scrap metal for various industrial uses. A large order just came in to make aluminum balls with a radius of 4.5 in. If Ashley uses 74,325in^3 on average, of aluminum each day making these balls, how many balls does she make, on average, each day?

Answers

Using the formula of volume of a sphere, Ashely's company made 195 balls

Volume of Sphere

The volume of sphere is the measure of space that can be occupied by a sphere. If we draw a circle on a sheet of paper, take a circular disc, paste a string along its diameter and rotate it along the string. This gives us the shape of a sphere.

The formula of volume of a sphere is given as

v = 4/3πr³

r = radius = 4.5in

volume of each spherical ball = 4/3π(4.5)³

volume of sphere = 381.7in³

The number of balls she made from 74325 in³ can be found by dividing it by 381.7in³

Number of balls = 194.7≅195 balls

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4x^2 + 4x =3
help pls

Answers

Answer:

x = .5, - 1.5

Step-by-step explanation:

4x^2 + 4x =3

To solve for x, we can complete the square.

4 ( x^2 + x) = 3

x^2 + x = 3/4

Take the coefficient of x, divide by 2, and square.

(1/2)^2

Then add to each side.

x^2 + x + 1/4= 3/4 +1/4

(x+1/2) ^2 = 1

Take the square root of each side.

x+1/2 = ±1

x = ±1 -1/2

x = 1-1/2  or -1-1/2

x = 1/2, -3/2

x = .5, - 1.5

Answer:

x = 1/2   or   -3/2

Step-by-step explanation:

Rewrite in Standard Form:

4x²+4x=3 ==>  4x²+4x-3=0

Identify:  a=4   b=4   c= -3

Quadratic Formula:

[tex]x=\frac{-b+\sqrt{b^2-4ac}}{2a} or \frac{-b-\sqrt{b^2-4ac}}{2a}\\ \\=\frac{-4+\sqrt{4^2-4(4)(-3)}}{2(4)} or \frac{-4-\sqrt{4^2-4(4)(-3)}}{2(4)}\\\\=\frac{-4+\sqrt{16+48}}{8} or \frac{-4-\sqrt{16+48}}{8}\\\\=\frac{-4+\sqrt{64}}{8} or \frac{-4-\sqrt{64}}{8}\\\\=\frac{-4+8}{8} or \frac{-4-8}{8}\\\\=\frac{4}{8} or \frac{-12}{8}\\\\=\frac{1}{2} or -\frac{3}{2}[/tex]

Is the system of equations consistent and independent, consistent and dependent, or inconsistent?

y=−3x+12y=−6x+2

Select the correct answer from the drop-down menu.


consistent and independent

Answers

The system of equation is consistent and independent because it has one unique solution.

How to solve system of equation?

If a system has at least one solution, it is said to be consistent . If a consistent system has exactly one solution, it is independent.

Therefore, let's solve the equation,

y = -3x + 12

y = -6x + 2

Using substitution,

-6x + 2 = -3x + 12

-6x + 3x  = 12 - 2

-3x = 10

x = - 10 / 3

y = -6(-10 / 3) + 2

y = 60 / 3 + 2

y = 20 + 2

y = 2

Therefore, the system of equation is consistent and independent.

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kay walks upstairs yo make her legs stronger . Every day at work, she walks up 9 flights of stairs . If there are 13 steps in 1 flight of stairs in 1 flight of stairs , how many steps does kay climb in 5 days at work

Answers

In 5 days at work, kay climbs 585 steps

How to find how many steps kay climbs

If there are 13 steps in 1 flight of stairs then 9 flights of stairs will be

= 13 * 9

= 117 steps

Every day Kay climbs 117 steps in 9 flights in 5 days kay will climb

= 117 * 5

= 585 steps

Kay climbs 585 steps in a 5 days at work

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Find the perimeter of the figure below
A. 44m
B. 48m
C. 52m
D. 46m
E. 50m
Perimeter equals ______________ meters

Answers

Answer: 50

Step-by-step explanation:

10+15+6+4+6+11= 50

Edit=

We can see that the length of one side is 10, and the width of one is 15. For the other side of the width, we can subtract 4 from 15 to get 11. For the other length, we can subtract 6 from 10 to get four. We also have to add in the 6 and 4 because they are parts of the border. (10+15+11+4+6+4)

Can anyone help me? Thank you

Answers

Answer:162

Step-by-step explanation:

1.5 ft = 18 inches

so

9 * 18 = 162

A car travels 120 miles and one and a half hours what is the average speed for miles per hour

Answers

Answer:

80

Step-by-step explanation:

120 divided by 3 (for per half hr) is 40 and if you add 2 of the half hrs together (40+40) its 80

A survey was given to a random sample of 80 residents of a town to determine whether they support a new plan to raise taxes in order to increase education spending. Of those surveyed, 52 respondents said they were in favor of the plan. Determine a 95% confidence interval for the proportion of people who favor the tax plan, rounding values to the nearest thousandth.​

Answers

With a 95 percent confidence interval, the proportion of people who favor the tax plan is 0.546 ,0.755

How to solve for the interval

The value of n is the random sample n = 80

we have x as the number of people surveyed, = 52 respondents

Then p = x / n

p = 52 / 80

p = 0.65

From the z critical table, 95% confidence level = 1.96

we would have to use the confidence interval formula. This is given as:

[tex]p +- Z * \sqrt{\frac{p*(1-p)}{n} }[/tex]

we have to put in the values

[tex]0.65 +- 1.96 * \sqrt{\frac{0.65*(1-0.65)}{80} }[/tex]

0.65 ± 1.96 * 0.053326822

0.65 - 0.10452 , 0.65 + 0.10452

0.546 ,0.755

Therefore the proportion of persons that are in favor of this tax has been calculated as 0.546 ,0.755

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What is 4 1/4 x (-12.2)?

Answers

1235678.34235467556888665
Hope this helps you

(x+1)+(x+4)+(x+7)+...+(x+40)=442

Answers

The value of the unknown variable x in the given sequence is; 14

What is the sum of the Arithmetic Sequence?

The formula for sum of an arithmetic sequence is;

Sₙ =ⁿ/₂(2a + (n − 1)d)

where;

a is first term

d is common difference

n is position of term

We are given the sequence as;

(x + 1) + (x + 4) + (x + 7) +...+ (x + 40) = 442

The common difference is;

x + 4 - (x + 1)

= 3

Now, to get the number of terms, we will say that the function follows the pattern;

aₙ = (x + 1) + 3n

Thus;

(x + 1) + 3n = x + 40

3n = 39

n = 13

Thus, there are n = 13 terms

Sₙ = ¹³/₂(2(x + 1) + (14 − 1)3) = 442

6.5(2x + 40) = 442

2x + 40 = 442/6.5

2x = 68 - 40

x = 28/2

x = 14

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Evaluate each expression if w = 2, x = 3, y = 5, and z = 6.
1. 2w
2. y + 5
4. x+ w
7. y²
5. 3+ 4z
8. y - x
Fvaluate each evnreccion if m
n
3.9-2
6. 6y-5
Nov 30

Answers

1. 4
2. 10
4. 5
7. 25
5. 27
8. 2
3. 7
6. 25

Hope this helped:))

Kyla finished a 100 meter race in one and three-eighths minutes. The winner of the raced finished in one-third of Kyla's time.

How many minutes did it take for the winner of the race to finish?

eight thirty-thirds
eleven twenty-fourths
one and three twenty-fourths
one and four-elevenths

Answers

11/24 many minutes did it take for the winner of the race to finish.

What is Fraction?

A fraction represents a part of a whole.

Given,

Kyla finished a 100 meter race in one and three-eighths minutes.

Kylas time is [tex]1\frac{3}{8}[/tex] minutes.

Convert mixed fraction to improper fraction.

11/8 minutes.

The winner of the raced finished in one-third of Kyla's time.

Which means 1/3 of 11/8

1/3×11/8

11/24

Hence, 11/24 many minutes did it take for the winner of the race to finish.

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Hello can someone please help me out? Thank you so much I’ll give brainly :)

Answers

Answer:

Step-by-step explanation:

the answer is a 28.27

Answer:

a) 28.27

Step-by-step explanation:

Formula we use,

→ πr²

Now the required area will be,

→ 3.14 × 3²

→ 3.14 × 9

→ 28.27 in²

Hence, the area is 28.27 in².

The cleaning service charges $15 per hour. Mr. Henrickson is hiring the cleaning service but does not want to spend more that $75. What is the maximum number of hours that he can hire the cleaning service? Write an inequality and solve.

Answers

The maximum number of hours that he can hire the cleaning service would be 5.

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

Consider that the number of hours for which the total cost would be the same be x

The first inequality is;

$15x > $75

Now equate equations

$15x - $75 = 0

15x = 75

x = 5

Hence, the maximum number of hours that he can hire the cleaning service would be 5.

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of space limitations, the tubes should not exceed 6 ft in length. determine the configuration of a heat exchanger to accomplish these needs. the average film condensation heat transfer coefficient on the outside of the tube can be assumed to have a value of 8000 w/m2 k. Crane Company had the following two transactions related to its delivery truck.1. Paid $44 for an oil change.2. Paid $519 to install special shelving units, which increase the operating efficiency of the truck.Prepare Crane Company's journal entries to record these transactions. Use the format given below:No. Account Titles and Explanation Debit Credit1. 2. which tasks related to dressing would the nurse expect the 2-year-old child to accomplish? select all that apply. one, some, or all responses may be correct why are there so few earthquakes to the east of that subduction zone (toward the pacific ocean) as compared to the west (toward japan)? 13. adding additional bulbs to a series circuit: a. increases the resistance of the entire circuit. b. decreases the resistance of the entire circuit. c. decreases the power output of the entire circuit. d. increases the flow of current in each bulb. Given 5.0 x 1024 K2SO4 formula units, how many moles are present? How is volcanic activity beneficial (or helpful) to Mexico? a. Volcanic eruptions kill people which brings down the population b. Volcanoes help create new land making Mexico bigger c. Volcanic soil is very rich and helps Mexicans grow crops d. 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Calculate the resulting change in GDP for each of the following MPCs when the government increases its spending by $250 billion.Instructions: Round your answers to one decimal place.a. The marginal propensity to consume (MPC) = 0.2.The change in GDP is $ _______billion.b. The marginal propensity to consume (MPC) = 0.5.The change in GDP is $______ billion.c. The marginal propensity to consume (MPC) = 0.8.The change in GDP is $ _____billion.d. 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