HELP!!!!!!!!!!HELP!!!!please am n mddle school

Answers

Answer 1

The statements about the attached daily temperature data that are true include the following:

A. the average temperature was below 90°F on less than 75% of the days.

C. the average temperature was below 75°F on less than 25% of the days.

What is a box-and-whisker plot?

In Mathematics and Statistics, a box plot is sometimes referred to as box-and-whisker plot and it can be defined as a type of chart that can be used to graphically or visually represent the five-number summary of a data set with respect to locality, skewness, and spread.

Based on the information provided about the given box-and-whisker plot for the daily temperature data, the five-number summary for the given data set include the following:

Minimum (Min) = 65.

First quartile (Q₁) = 70.

Median (Med) = 75.

Third quartile (Q₃) = 85.

Maximum (Max) = 90.

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Related Questions

PLEASE HURRY

Let v = 5i - 2j Find ||4v||

Answers

The magnitude of the vector 4v is 4 times the magnitude of v, which is equal to 4 √29.

Given the vector v = 5i - 2j, we can find the magnitude or norm of the vector ||v|| using the formula:

||v|| = √(v · v)

where · denotes the dot product of the vector with itself.

Substituting the values of the vector v, we have:

||v|| = √((5i - 2j) · (5i - 2j))

Expanding the dot product using the distributive law, we get:

||v|| = √(25i² - 20ij + 4j²)

Since i² = j² = 1 and ij = ji = 0, we can simplify this expression to:

||v|| = √(25 + 4) = √29

Thus, the magnitude of the vector v is √29.

Now, we need to find the magnitude of the vector 4v. Using the property that ||kv|| = |k| ||v|| for any scalar k and vector v, we have:

||4v|| = |4| ||v|| = 4 √29

In summary, the magnitude of the vector v is √29, and the magnitude of the vector 4v is 4 √29.

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550.320 to the nearest whole number

Answers

Answer: 550.320 to the nearest whole number is 550.

Step-by-step explanation: If the number if five or more, it rounds up, but if it is four or less, it stays the same. Therefore, because 3 is less than four, the answer is 550. Hope this helps! :)

Answer:

550

Step-by-step explanation:

If we look at the number we see .320, as we can see the number in the front is 3 and behind that is 2, when we are rounding the key thing to always remember is if its greater than 5 we round up if not go down so sense 3 doesn't go over 5 we don't change the number in front of it 0 and the same thing with 2 but we wouldn't change the 3 instead. so sense .320 doesn't qualify as a whole number we do not need it so we get the answer,

550.

PPPLLSSS GIVE BRAINLIST MEAN THE WORLD TY

HAVE A NICE DAY :)

Christian owns a small business selling bagels. He knows that in the last week 10 customers paid cash, 14 customers used a debit card, and 38 customers used a credit card.

Answers

In total, Christian had 62 customers in the last week.

An engineer traveled 140 mi by car and then an additional 750 mi by plane. The rate of the plane was three times the rate of the car. The total trip took 6 h. Find the rate of the car.

Answers

The rate of car is 35 mph.

Given that engineer traveled 140 mi by car and then an additional 750 mi by plane. The rate of the plane was three times the rate of the car.

Let c be the rate of wind.

215 + c = rate of plane with wind

215 - c = rate of plane against wind

Therefore, the travel time =distance/rate

⇒ 750/(215+c) = 540/(215-c)

Cross multiplying we get,

540(215+c) = 750(215-c)

116100+540c = 161250-750c

1290c = 45150

c=35

Hence, the rate of car is 35 mph.

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1000 randomly selected Americans were asked if they believed the minimum wage should be raised. 600 said “yes.” What is the 99% confidence interval for the proportion of Americans who believe that the minimum wage should be raised?

Answers

The 99% confidence interval for the proportion of Americans who believe that the minimum wage should be raised is: 0.56 < P < 0.64

How to find the confidence interval?

We are given:

Sample size: n = 1000

Sample proportion: p = 600/1000 = 0.6

Formula for confidence interval for proportion is:

CI = p ± z√(p(1 - p)/n)

where:

p is sample proportion

n is sample size

z is z-score at confidence level

z at 99% CL = 2.576

Thus:

CI = 0.6 ± 2.576√(0.6(1 - 0.6)/1000)

CI = 0.6 ± 0.04

CI = (0.56, 0.64)

CI = 0.56 < P < 0.64

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if 5 is subtracted from the square of a number find the positive solution

Answers

If 5 is subtracted from the square of a number, the positive solution is √5.

How to determine the unknown number?

In this exercise, you are required to determine or solve for an unknown number as follows. First of all, we would assign a variable to the unknown number and then translate the word problem into an algebraic expression as follows;

Assuming the unknown number is represented by the variable x.

Therefore, the required algebraic expression is given by;

x² - 5

In order to determine the positive solution, we would have to equate the algebraic expression to zero as follows;

x² - 5 = 0

x² = 5

x = ±√5

x = √5 (positive solution)

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5(2x+2)-12x simplify

Answers

The simplified expression is 120x³ + 120x².

To simplify the expression 5x(2x+2)12x, we can use the distributive property of multiplication over addition and simplify the resulting terms.

First, we distribute 5x to the expression (2x+2), which gives us:

5x(2x+2) = 10x² + 10x

Next, we can multiply the result by 12x:

12x(10x² + 10x) = 120x³ + 120x²

Therefore, the simplified expression is 120x³ + 120x².

We can see that the original expression was a multiplication of three factors, and we used the distributive property to simplify it by expanding and multiplying the resulting terms. The final expression has a common factor of 120x², which we can factor out to get 120x²(x+1).

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6. Solve for y ONLY *
Find the value of each variable.

Answers

The value of the angle y is 86 degrees

How to determine the value

To determine the value of the variable, we need to take note of the properties of a parallelogram. They include;

Opposite sides of the shape are parallel and equal.The angles opposite to each other are equal.The consecutive angles are supplementary, that is sum to 180 degrees.

Also, note that angles on a straight line is equal to 180 degrees.

From the information shown on the diagram, we have;

y + 94 = 180

collect the like terms

y = 180 - 94

Subtract the terms

y =86 degrees

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-24=8(y-8)-4y??????????????

Answers

Answer:

[tex]\sf y=10[/tex]

Step-by-step explanation:

[tex]\sf -24=8(y-8)-4y[/tex]

[tex]\sf 8\left(y-8\right)-4y=-24[/tex]

Expand:-

[tex]\sf 8\left(y-8\right)-4y[/tex][tex]\sf 8y-64-4y[/tex][tex]\sf 4y-64[/tex]

[tex]\sf 4y-64=-24[/tex]

Add 64 to both sides:-

[tex]\sf 4y-64+64=-24+64[/tex][tex]\sf 4y=40[/tex]

Divide both sides by 4:-

[tex]\sf \cfrac{4y}{4}=\cfrac{40}{4}[/tex][tex]\sf y=10[/tex]

________________________

12. What is the value of the following expression when
a = -2 and b = -4?
5(4a3b)+ ab
A-108
B -92
C -12
D12
E 28

Answers

Answer:

1st one is b. 2nd one is A

Step-by-step explanation:

i did the quiz

pls help! show work!

Answers

The student is correct because we can factorize x² - x - 56 to get (x - 8)(x + 7).

How to Factorize an Expression?

In order to determine if -56 is the integer that can replace the box in the expression, we can try to factorize the expression and see if it works.

Factorize x² - x - 56 using the sum-product pattern:

x² - x - 56

Take out the common factors from each pair:

(x² + 7x) - (8x - 56)

x(x + 7) -8(x + 7)

Rewrite in factored form:

(x - 8)(x + 7)

Thus, this shows that the student is correct.

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Dylan is putting a gold ribbon around the lid of a rectangular box. The lid ha a width of 6(1/4) inches and a length of 4(5/8) inches. The ribbon costs $1.50 per Inch. How much will it cost Dylan to p gold ribbon around the perimeter of the lid? $13.88 $21.75 $32.63 $43.36

Answers

The value of cost of the perimeter of the lid is, $32.625

Given that;

Dylan is putting a gold ribbon around the lid of a rectangular box. The lid ha a width of 6(1/4) inches and a length of 4(5/8) inches.

Hence, The value of perimeter of the lid is,

⇒ P = 2 (6 1/4 + 4 5/8)

⇒ P = 2 (25/4 + 37/8)

⇒ P = 2 (50/8 + 37/8)

⇒ P = 2 (87/8)

⇒ P = 87/4 inches

Since, The ribbon costs $1.50 per Inch.

Hence, Total cost for lid is,

⇒ 1.50 × 87/4

⇒ $32.625

Thus, The value of cost of the perimeter of the lid is, $32.625

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Find the volume of a rectangular prism with a length of 5cm and a height of 20cm, round to the nearest tenth of a cubic centimeter

Answers

To find the volume of a rectangular prism, we multiply its length, width, and height. In this case, we are given the length as 5cm and the height as 20cm, but we are not given the width. Let's assume the width is 10cm (although it could be any value as long as it is consistent with the shape of a rectangular prism).

Volume = length x width x height
Volume = 5cm x 10cm x 20cm
Volume = 1000 cubic centimeters

Rounding to the nearest tenth of a cubic centimeter, we get:

Volume ≈ 1000.0 cubic centimeters

Therefore, the volume of the rectangular prism is approximately 1000.0 cubic centimeters.

Phillip wants to find the width, QP, of his driveway. He walks along the edge of the driveway 45 ft and
marks point R. Then he walks 13 ft further and marks point N. He turns 90° and walks until his location,
point R, and point P are collinear. He marks point M at this location, as shown.
(a) Can Phillip conclude that ΔPQR and ΔMNR are similar? Why or why not?
(b) Suppose MN = 15 ft. Calculate the width of the driveway, QP. Show all your work and round
answer to nearest tenth.

Answers

ΔPQR and ΔMNR are similar and if MN = 15 ft then the side length of QP is 52.

Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion .

ΔPQR and ΔMNR are similar are similar because both have the corresponding angles are congruent and the corresponding sides are in proportion .

If MN=15 feet we have to find QP

As sides are proportional

45/13=QP/15

Apply cross multiplication

45×15=13QP

675=13QP

Divide both sides by 13

QP=52

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Luc is playing a trivia game with multiple choice questions. He runs out of time and needs to guess on the last 2 22 questions. Each question has 4 4

Answers

The requried probability that Luc gets both questions correct is 1/16 or approximately 0.0625.

The probability of guessing a single question correctly is 1/4, since there are 4 answer choices and only 1 is correct. Since the questions are independent, the probability of guessing both questions correctly is the product of the probability of guessing each question correctly.

Therefore, the probability that Luc gets both questions correct is:

P(both correct) = P(first correct) * P(second correct)

P(both correct) = (1/4) * (1/4)

P(both correct) = 1/16

Thus, the probability that Luc gets both questions correct is 1/16 or approximately 0.0625.

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The equations for two savings accounts for the same Initial amount of $1125 and an interest rate of 1.875% accrued differently are shown in the table. Savings Account A A = 21.09t + 1125 Savings Account B JAN 1 A = 1125 1+ (1. 0.01875 2 2t Complete the statement. After 9 years, savings account [DROP DOWN 1] will have more money because it is modeled by [DROP DOWN 2] where the investment [DROP DOWN 3].

Answers

Savings Account B will have more money after 9 years because it is modeled by the exponential equation, and the investment grows exponentially with time

We have,

To determine which savings account has more money after 9 years, we can evaluate the amount of money in each account using the given equations.

For Savings Account A, the equation is:

A = 21.09t + 1125

Substituting t = 9 (since we're interested in the amount after 9 years), we get:

A = 21.09(9) + 1125 = 1300.81

So, after 9 years, Savings Account A will have $1300.81.

For Savings Account B, the equation is:

A = 1125(1 + 0.01875/2)^(2t)

Substituting t = 9, we get:

A = 1125(1 + 0.01875/2)^(2(9)) = 1318.98

So, after 9 years, Savings Account B will have $1318.98.

Therefore,

Savings Account B will have more money after 9 years because it is modeled by the exponential equation, and the investment grows exponentially with time

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A survey asked people of different ages whether they get their news by
reading the paper. What is the probability that a person surveyed is under 40,
given that he or she gets the news by reading the paper? If necessary, round
Don't read
Read paper
Total
paper
36
your answer to the nearest percent.
Under 40
40 or older
Total
4
24
28
16
52
40
40
80

Answers

Answer:

To find the probability that a person surveyed is under 40 given that he or she gets the news by reading the paper, we need to use Bayes' theorem:

P(Under 40 | Read paper) = P(Read paper | Under 40) * P(Under 40) / P(Read paper)

where

P(Under 40 | Read paper) is the probability that a person is under 40 given that he or she gets the news by reading the paper

P(Read paper | Under 40) is the probability that a person under 40 reads the paper (36/80)

P(Under 40) is the overall probability of selecting a person under 40 (40/80)

P(Read paper) is the overall probability of selecting a person who reads the paper, calculated as the sum of those who are under 40 and read the paper and those who are 40 or older and read the paper (36+24)/(80)

Plugging in the values, we get:

P(Under 40 | Read paper) = (36/80) * (40/80) / ((36+24)/80)

P(Under 40 | Read paper) = 0.6

So the probability that a person surveyed is under 40, given that he or she gets the news by reading the paper, is 60%.

CAN SOMEONE HELP WITH THIS QUESTION?✨

Answers

f n 5 + -35sin x f(0)

how do you find the area of a trapizoid

Answers

Answer:

By using the formula down below you can find the area of a trapezoid

A = [tex]\frac{a+b}{2}[/tex]h

↑ Area

A = Base

B = Base

H = Height

Example.

A = 12

B = 4

H = 2

First “ A “ + “ B “ =

12 + 4 = 16

16 / 2 = 8

8 x “ h “

8 x 2 = 16

Answer is 16

Thus the answer is, above

So if you look that up then it will show you how to find the area of a trapizoid

Use the long division method to find the result when 4x³ + 8x² + 13x + 15 is
divided by 2x + 3.

Answers

Answer:

2x2+x+5

Step-by-step explanation:

A music store marks up the instruments it sells by 30%.
If the price tag on a trumpet says $104, how much did the store pay for it?

Answers

The store paid $80 for the trumpet.

If lina takes an assignment at 4:30 and it takes her 12 minutes to complete it at what time did she finished?

Answers

Answer: 4:42

Step-by-step explanation:

4:30 + 0:12 = 4:42

The entire graph of the function g is shown in the figure below. Write the domain and range of g using interval notation.

Answers

Answer:g=g(9)

Step-by-step explanation:

Fill in the missing terms to complete the factorization. 15x^2 + x - 2 = (? -1) (? + 2)
a- 3x, 5x

b- x, 15x

c- 5x, 3x

d- 15x, x

Answers

The missing term of the factorization equation is A = ( -15x - 1 ) ( x + 2 )

Given data ,

Let the equation be represented as A

Now , the value of A is

A = -15x² - 31x - 2

On simplifying , we get

The expanded form of the expression ( -15x - 1 ) ( x + 2 ) can be calculated using the distributive property of multiplication over addition

So , on factorizing , we get

A = ( -15x - 1 ) ( x + 2 )

Hence , the factorized equation is A = ( -15x - 1 ) ( x + 2 )

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The complete question is attached below :

Fill in the missing terms to complete the factorization. 15x² + x - 2 = (? -1) (? + 2)

a- 3x, 5x

b- x, 15x

c- 5x, 3x

d- 15x, x

find the 81st term of the arithmetic sequence -2 -8 -14

Answers

Answer:

a₈₁ = - 482

Step-by-step explanation:

the nth term of an arithmetic sequence is

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

here a₁ = - 2 and d = a₂ - a₁ = - 8 - (- 2) = - 8 + 2 = - 6 , then

a₈₁ = - 2 + (80 × - 6) = - 2 + (- 480) = - 2 - 480 = - 482

Select the correct answer. Which equation is a step in solving the equation |5 − 3x| + 2 = 19? A. |5 + 3x| = 17 B. 5 + 3x = -17 C. 5 − 3x = -17 D. |5 − 3x| = -17

Answers

Answer:B

Step-by-step explanation:i did the quiz

Warm-Up Understanding Binomial Settings Ms. Lee gave out the homework passes as described previously, and it turns out that zero statistics students were selected. She plans to give out another homework pass tomorrow, but this time she will keep drawing names, still replacing and shuffling between each trial, until she gets a statistics student.

Is this a binomial setting?
O Yes, the conditions for a binomial setting are all met in this case.
O No, this time there is not a fixed number of trials,
O No, this time the trials are not independent.
O No, this time the outcomes are not binary.

Answers

The answer is : No, this time there is not a fixed number of trials,

How to get the solution of the binomial setting

Fixed Number of Trials (n): Established beforehand, the experiment consists of a specified set of trials or repetitions.

Binary Outcomes: Every trial possess just two feasible outcomes typically referred to as "success" and "failure."

Independent Trials: The result of a single trial will not affect the outcome of any subsequent trials.

Constant Success Probability (p): Per trial, the chances of success remain unchanging.

Taking into account the given circumstances, Ms. Lee intends on giving out another homework pass consequently, she will keep pulling names until concluding with a statistics student. She rearranges and shuffles the papers which contain the names in-between each trial.

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the diagram shows a right angled triangle, find value of h

Answers

The value of the side length h is 19.1 cm.

What is the value of side h?

The figure in the image is a right triangle:

Angle θ = 47 degrees

Opposite to angle θ = 14cm

Hypotenuse = h

To solve for side length h, we use trigonometric ratio.

Note that: sine = opposite / hypotenuse

Plug in the values and solve for h.

sin( 47° ) = 14 / h

h = 14 / sin( 47° )

h = 19.1 cm

Therefore, the value of h is 19.1 cm.

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What is the approximate value of the upper quartile
A 18
B 20
C 25
D 27

Answers

The approximate value of the median is 25

The median is the middle number in a sorted, ascending, or descending, list of numbers and can be more descriptive of that data set than the average.

The median is sometimes used as opposed to the mean when there are outliers in the sequence that might skew the average of the values.

To find the median, calculate the value mean by adding together the middle values and dividing them by two.

Hence, the approximate value of the median is Median

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What is the approximate value of the median?

A 18

B 20

C 25

D 27

How much running area is there?

R = 20 ft

I WILL MARK YOU BRAINLIEST AND GIVE 30 POINTS

Answers

With a radius of 20 feet and 10 rounds traversed, the total distance equates to approximately 1256.6 feet.

How to solve

When calculating the circumference (C) of a circle, the formula 2 * π * radius (R) is employed.

Taking into consideration R = 20 feet, we shall arrive at the following figure:

C = 2 * π * 20

C ≈ 2 * 3.14159265359 * 20

C ≈ 125.66 feet

If we use this calculation to determine the total distance covered after running 10 laps around a track, our equation morphs into Circumference (C) multiplied by the Number of laps (L).

When L equals 10, it follows that:

Total distance ≈ 125.66 feet * 10

Total distance ≈ 1256.6 feet

Therefore, with a radius of 20 feet and 10 rounds traversed, the total distance equates to approximately 1256.6 feet.