The temperature in a certain location was recorded each day for two months. The mean temperature was 28.8°F with a standard deviation 7.4°F. What can you determine about these data by using Chebyshev's Inequality with =K3?

Answers

Answer 1

Using Chebyshev's Theorem, it is found that at least 89% of days have a high temperature between 6.6ºF and 51ºF.

What does Chebyshev’s Theorem state?

When the distribution is not normal, Chebyshev's Theorem is used. It states that:

At least 75% of the measures are within 2 standard deviations of the mean.At least 89% of the measures are within 3 standard deviations of the mean.An in general terms, the percentage of measures within k standard deviations of the mean is given by [tex]100\left(1 - \frac{1}{k^{2}}\right)[/tex].

Considering k = 3, the percentage is of at least 89% and the bounds are given as follows:

28.8 - 3 x 7.4 = 6.6ºF.28.8 + 3 x 7.4 = 51ºF.

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Related Questions

A rectangular garden has a length of 4z + 17 feet and a width of 6z feet. Which expression represents the
area of the garden in square feet?

Answers

Answer:

Step-by-step explanation:

Area of a rectangle = length times width.

Area of the garden = 6z(4z + 17)

24z² + 102z

legend has it that Isaac Newton discovered gravity when an apple feel down from a tree and hit him on the head. I a 0.2 kg apple fell 7 meters before hitting Newton, what was its change in PE during the fall?

Answers

The change in potential energy of the apple during the fall was approximately 13.72 joules.

What is the name of potential energy?

One of the two types of energy is potential energy, which is the latent energy in an object at rest. Kinetic energy, on the other hand, is the energy that an item in motion expresses.

The formula: can be used to determine the change in potential energy (PE) of a mass m object that falls a distance h from the Earth's surface.

ΔPE = mgh

where g is the acceleration brought on by gravity close to Earth's surface, which is roughly 9.8 m/s^2.

In this instance, the apple weighs 0.2 kg, falls 7 metres, and accelerates by gravity at a rate of 9.8 m/s^2. So, the potential energy change is as follows:

PE is equal to (0.2 kg) times (9.8 m/s^2) times (7 m) Equals 13.72 joules (J)

As a result, the apple's potential energy changed by around 13.72 joules during the fall.

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Which two sets of values make the inequality 3(n – 2) ≤ 2n – 3 true?

A. {−2, −1, 3}

B. {−2, −1, 4}

C. {−1, 0, 3}

D. {−1, 1, 4}

E. {1, 0, 5}

Answers

We can start by substituting each value from the given sets into the inequality and checking which ones make the inequality true:

A. {−2, −1, 3}
For n = −2, 3(n – 2) = 3(-2 – 2) = −12 and 2n – 3 = 2(-2) – 3 = −7, so −12 ≤ −7 is false.
For n = −1, 3(n – 2) = 3(-1 – 2) = −9 and 2n – 3 = 2(-1) – 3 = −5, so −9 ≤ −5 is false.
For n = 3, 3(n – 2) = 3(3 – 2) = 3 and 2n – 3 = 2(3) – 3 = 3, so 3 ≤ 3 is true.

B. {−2, −1, 4}
For n = −2, 3(n – 2) = 3(-2 – 2) = −12 and 2n – 3 = 2(-2) – 3 = −7, so −12 ≤ −7 is false.
For n = −1, 3(n – 2) = 3(-1 – 2) = −9 and 2n – 3 = 2(-1) – 3 = −5, so −9 ≤ −5 is false.
For n = 4, 3(n – 2) = 3(4 – 2) = 6 and 2n – 3 = 2(4) – 3 = 5, so 6 ≤ 5 is false.

C. {−1, 0, 3}
For n = −1, 3(n – 2) = 3(-1 – 2) = −9 and 2n – 3 = 2(-1) – 3 = −5, so −9 ≤ −5 is false.
For n = 0, 3(n – 2) = 3(0 – 2) = −6 and 2n – 3 = 2(0) – 3 = −3, so −6 ≤ −3 is false.
For n = 3, 3(n – 2) = 3(3 – 2) = 3 and 2n – 3 = 2(3) – 3 = 3, so 3 ≤ 3 is true.

D. {−1, 1, 4}
For n = −1, 3(n – 2) = 3(-1 – 2) = −9 and 2n – 3 = 2(-1) – 3 = −5, so −9 ≤ −5 is false.
For n = 1, 3(n – 2) = 3(1 – 2) = −3 and 2n – 3 = 2(1) – 3 = −1, so −3 ≤ −1 is false.
For n = 4, 3(n – 2) = 3(4 – 2) = 6 and 2n – 3 = 2(4) – 3 = 5, so 6 ≤ 5 is false.

E. {1, 0, 5}
For n = 1, 3(n – 2) = 3(1 – 2) = −3 and 2n – 3 = 2(1) – 3 = −1, so −3 ≤ −1 is false.
For n = 0, 3(n – 2) = 3(0 – 2) = −6 and 2n – 3 = 2(0) – 3 = −3, so −6 ≤ −3 is false.
For n = 5, 3(n – 2) = 3(5 – 2) = 9 and 2n – 3 = 2(5) – 3 = 7, so 9 ≤ 7 is false.

So, only for n = 3, the inequality 3(n – 2) ≤ 2n – 3 is true. Hence, the only set of values that makes the inequality true is C. {−1, 0, 3}.

Which form or system of government gives the most power to the people of the nation?

Unitary
Autocracy
Democracy
Oligarchy
Question 3(Multiple Choice Worth 3 points)
The Leswaygo Times is a newspaper in the imaginary country Leswaygo. You read in one of its online articles that the people are unhappy with their new king. He is making changes to make Leswaygo more modern. He believes this will benefit the country, but the people do not agree. They are demanding a change in the law to have a voice in any major decisions through voting. If the king allows this, it will change the Leswaygo form of government to

communism
democracy
autocracy
socialism
Question 4(Multiple Choice Worth 3 points)
Which list shows forms or systems of government from the least power for the people to the most?

Oligarchy, autocracy, republic
Autocracy, oligarchy, democracy
Democracy, unitary, parliamentary
Federation, republic, unitary
Question 5(Multiple Choice Worth 3 points)
You read in the newspaper about a country that just held elections. The people voted for new representatives in their lawmaking branch of government. The members of this branch are busy meeting to discuss who will be the new prime minister. Only they, and not the voters, have a say in who will have this position. The new prime minister is part of the lawmaking branch and answers to it.

Which system of government does this represent?

Unitary
Federation
Parliamentary
Confederation
Question 6(Multiple Choice Worth 3 points)
In the early days of the United States, the central government was weak compared to the state governments. The leaders recognized there were problems with this arrangement. When they wrote the Constitution, they gave more power to the central government. The states still have authority within their borders but must follow the Constitution and its laws.

Which system of government does the United States have?

Unitary
Federation
Parliamentary
Confederation
Question 7(Multiple Choice Worth 3 points)
Which of the following statements could appear in the sections labeled “B” and “D”?

Form or System Advantages Disadvantages
Unitary
A
B
Few or none consulted when making decisions.
Oligarchy
C
Decisions can be made quickly.
D
Democracy
E
F
Difficult to get an agreement.
The use of force is unnecessary.
The people’s wishes are not always considered.
Local issues are heard and addressed.
Voters have a say in making decisions.
Question 8(Multiple Choice Worth 3 points)
Which of the following phrases belongs in the section labeled “A”?

Form or System Advantages Disadvantages
Unitary
A
B
Few or none consulted when making decisions.
Oligarchy
C
Decisions can be made quickly.
D
Democracy
E
F
Difficult to get an agreement.
Decisions made quickly
Overlap in government services
Less waste of tax dollars
Single political party has control
Question 9(Multiple Choice Worth 3 points)
“Members can maintain power while working together on specific, shared concerns.” In which section would you place this statement?

Form or System Advantages Disadvantages
Unitary
A
Strong unity
B
Confederation
C
D
Central goverment may be too weak
Federation
E
Local governments can address local issues
F
D
B
E
C
Question 10(Multiple Choice Worth 3 points)
“Decisions take much longer because the people have a say in them.” In which section of the chart would you place this statement?

Form or System Advantages Disadvantages
Unitary
A
B
Few or none consulted when making decisions.
Oligarchy
C
Decisions can be made quickly.
D
Democracy
E
F
Difficult to get an agreement.
E
F
A
B
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Answers

The answers include the following:

The form or system of government which gives the most power to the people of the nation is Democracy.The new prime minister is part of the lawmaking branch and answers to it which means that the system of government is parliamentary.When they wrote the Constitution, they gave more power to the central government. The states still have authority within their borders but must follow the Constitution and its laws which depicts Confederation.“Decisions take much longer because the people have a say in them therefore the section of the chart which you would place this statement is Democracy.

What is Democracy?

This is referred to as a system of government where the citizens of a state exercise power to rule the state, either directly or through electing representatives.

Decisions take much longer because the people have a say in them through the process of voting and is therefore the reason why it was chosen as the correct choice.

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Answer:

Step-by-step explanation:The form or system of government which gives the most power to the people of the nation is Democracy.

The new prime minister is part of the lawmaking branch and answers to it which means that the system of government is parliamentary.

When they wrote the Constitution, they gave more power to the central government. The states still have authority within their borders but must follow the Constitution and its laws which depicts Confederation.

“Decisions take much longer because the people have a say in them therefore the section of the chart which you would place this statement is Democracy.

Question in the picture below

Answers

Answer: $1.50 per hour

Step-by-step explanation:

Write a rule for each graph below and explain it step by step

Answers

1) the rule for the graph is y=3x+3

2) the rule for the graph is y=4x+10

What is slope ?

A line's steepness is determined by its slope. In mathematics, slope is determined by "rise over run" (change in y divided by change in x).

1) slope, m = change in y/change in x = 3/1 = 3

y-intercept = b = 3

A line's slope intercept form is y=mx+b

Thus, the rule for the graph is y=3x+3

2) slope, m = change in y/change in x = 4/1 = 4

y-intercept = b = 10

A line's slope intercept form is y=mx+b

Thus, the rule for the graph is y=4x+10

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You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You decide on the 99% confidence level
and a margin of error of 3%. A pilot survey reveals that 8 of the 48 sampled hold two or more jobs. (Use t Distribution Table & z
Distribution Table.)
How many in the workforce should be interviewed to meet your requirements? (Round z-score to 2 decimal places. Round up your
answer to the next whole number.)
Number of persons to be interviewed

Answers

Number of persons to be interviewed = 599.

What is number?

Number is a mathematical entity used to represent a computer magnitude it can be symbol or a combination of simple you should in order to take quantity such as the two, five, seven, three or eight number are used to verify the context including counting measuring and computing.

To calculate the required sample size for the survey, the formula for a confidence interval for a proportion can be used:

n = (Z-score)²×p×(1-p)/margin of error²

Where:

Z-score = 1.96 (this is the z-score for the 99% confidence level from the z-distribution table)

p = 0.167 (this is the proportion of the sample that hold two or more jobs, 8/48)

margin of error = 0.03 (this is the margin of error you have specified)

Therefore, the required sample size is:

n = (1.96)²×0.167×(1-0.167)/(0.03)²

n = 598.8

To meet your requirements, you should interview 599 persons (rounding up the answer to the next whole number).

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Please I just need help so badly asap Please

Answers

Answer:

- It is a parallelogram

Step-by-step explanation:

- The interior angle sum of a quadrilateral is 360°

Considering the four angles;

[tex]{ \tt{m \angle A + m \angle B + m \angle C + m \angle D = 360 \degree}} \\ \\ { \tt{(x + 12) + \{2(x + 3) \} + ( \frac{3}{2} x - 15) + ( \frac{7}{3} x - 12) = 360}} \\ \\ { \tt{(x + 2x + \frac{3}{2}x + \frac{7}{3}x) + (12 + 6 - 15 - 12) = 360 }} \\ \\ { \tt{ \frac{41}{6} x - 9 = 360}} \\ \\ { \tt{ \frac{41}{6}x = 369 }} \\ \\ { \tt{41x = 2214}} \\ \\ { \tt{x = 54}}[/tex]

- Therefore, substitute in x and find the angles.

[tex] { \tt{m \angle A = (x + 12) = (54 + 12) = 66 \degree}} \\ \\ { \tt{m \angle B = 2(x + 3) = 2(54 + 3) = 114 \degree}} \\ \\ { \tt{m \angle C = ( \frac{3}{2}x - 15) = \{( \frac{3}{2} \times 54) - 15 \} = 66 \degree }} \\ \\ { \tt{m \angle D = ( \frac{7}{3}x - 12) = \{( \frac{7}{3} \times 54) - 12 \} = 114 \degree }}[/tex]

The velocity v, in meters per second, of a certain type of wave is given by v(h) = 3√h, where h is the depth, in
meters, of the water through which the wave moves. What is the rate of change, in meters per second per meter, of
the velocity of the wave with respect to the depth of the water, when the depth is 2 meters?

Answers

Answer:

The rate of change of the velocity of the wave with respect to the depth of the water is 3/2 meters per second per meter when the depth is 2 meters. This can be found by taking the derivative of v(h) with respect to h, which is 3/2√h. When h is 2, the rate of change is 3/2√2, which is equal to 3/2 meters per second per meter.

What is the frequency of the function given? f(x)=9cos(4πX)+10

Answers

Answer:

Step-by-step explanation:

The frequency of a cosine function is related to the number of cycles that the function completes in a unit interval (usually in 2π radians).

The frequency of a cosine function with the form f(x) = A * cos(Bx + C) is given by B/(2π), where A, B, and C are constants.

For the function f(x) = 9cos(4πx) + 10, the frequency is given by 4π / (2π) = 2 cycles per unit interval.

So, the frequency of the function f(x) = 9cos(4πx) + 10 is 2 cycles per unit interval.

Margo borrows $600, agreeing to pay it back with 2% annual interest after 10 months. How much interest will she pay? Round your answer to the nearest cent, if necessary

Answers

The amount of interest paid will be $9.6.

What is simple interest?

The simple interest is the simple amount paid by the borrower to the bank according to the percentage set by the bank for per year which is a fixed interest rate.

Given that Margo takes out a $600 loan with a 10-month repayment period and a 2% yearly interest rate.

The simple interest will be calculated as:-

SI = ( P x R x T ) / 100

SI = ( 600 x 2 x 0.8 ) / 100

SI = 960 / 100

SI = $9.6

Therefore, $9.6 will be paid in interest.

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(8)
Amelia wanted to redeem a voucher. She had only 3/5of the total number
of points needed. After she earned another 50 points, she still needed 3/10
of the total number of points. How many points were needed to
redeem the voucher?

Answers

Answer:

The number of points needed to redeem the voucher is 92.5

Step-by-step explanation:

Let x be the total number of points needed to redeem the voucher.

Amelia has [tex]\frac{3}{5}[/tex] × x points,before she earns the another 50 points,

After she earns another 50 points,

Now

she has [tex]\frac{3}{5}[/tex] × x + 50 points.

she still needs [tex]\frac{3}{10}[/tex] × x points to redeem the voucher.

Now

From above we get a equation,

[tex]\frac{3}{5}[/tex] × x + 50 = [tex]\frac{9}{10}[/tex] × x

Solving the equation we can get x,

[tex]\frac{3}{5}[/tex] × x = [tex]\frac{9}{10}[/tex] × x - 50

if we multiply both sides by 5/3, we get,

x = (9/10 × x - 50) × 5/3

After expanding the right side,

x = (9/10 × x - 50) × 5/3

x = (9x/10 - 250/3)

Now,

Subtracting 9x/10 from both sides,

0 = 250/3 - 9x/10

If we add 9x/10 to both sides,

9x/10 = 250/3

Again,

If we multiply both sides by 10/9,

x = 250/3× 10/9

x = 250 × 10 / (3 × 9)

x = 250 × 10 / 27

= 250 × .37

x = 92.5

The number of points needed to redeem the voucher is 92.5

Find the area of the trapezoid.
14 mm
15 mm
36 mm
1. 270 mm²
2. 375 mm²
3. 750 mm²
5. 3780 mm²

Answers

Answer: no one cares

Step-by-step explanation:

because it's to hard[tex]\pi \pi \pi \pi \pi \pi \pi \pi \pi \pi \pi \pi \pi \left \{ {{y=2} \atop {x=2}} \right. x_{123} \left \{ {{y=2} \atop {x=2}} \right. \lim_{n \to \infty} a_n \int\limits^a_b {x} \, dx \left \{ {{y=2} \atop {x=2}} \right. \sqrt{x} \sqrt{x} \sqrt{x} \alpha \pi x^{2} x^{2} x^{2} \\ \\ \neq \pi \pi 5069967.94389438.494898 that's the answer[/tex]

why is this graph not a function?

Answers

The graph is not a function because it fails the vertical line test

How to determine why it is a not function

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

The graph (added as an attachment)

The given graph when represented as an equation, is a circle equation

As a general rule, we have

Circle equations are not functions and they do not represent a function on a graph

This is so because they do not pass the vertical line test

Hence, the graph is not a function

Answers

Serina is mistaken because Serina should have solved for x in the second equation because it has a coefficient of 1.

Serina is mistaken because solving for x in the first equation as her first step does not necessarily lead to the most efficient solution. While it is true that both 2 and 3 can be divided into 18, this approach may require additional steps to solve for the other variable, y, in the second equation.

In this case, it is actually more efficient to solve for x in the second equation because it has a coefficient of 1. This means that once we solve for x, we can substitute that value into the first equation and solve for y directly, without needing to perform any additional calculations.

Here's how we can solve the system of equations using this approach:

X + 7 y = 31 (solve for x)

x = 31 - 7y

Substitute x = 31 - 7y into the first equation:

2 x + 3 y = 18

2 (31 - 7y) + 3 y = 18

62 - 14 y + 3 y = 18

-11 y = -44

y = 4

Substitute y = 4 into the equation we used to solve for x:

x = 31 - 7y

x = 31 - 7(4)

x = 3

Therefore, the solution to the system of equations is x = 3, y = 4.

In summary, while it is important to consider which variable to solve for first when solving a system of equations, the most efficient approach may vary depending on the specific equations and coefficients involved. In this case, solving for x in the second equation was the most efficient approach.

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Siri has decided to examine his checking account statements. Last month‘s account balance was $100 this month is 42. What is the percent of decrease in Pere’s account balance

Answers

Answer:

58% decrease

Step-by-step explanation:

Find the Nth term sequence

Answers

Answer:

[tex]a_{n}[/tex] = 6n - 5

Step-by-step explanation:

there is a common difference between consecutive terms in the sequence, that is

7 - 1 = 13 - 7 = 19 - 13 = 6

this indicates the sequence is arithmetic with nth term

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

here a₁ = 1 and d = 6 , then

[tex]a_{n}[/tex] = 1 + 6(n - 1) = 1 + 6n - 6 = 6n - 5

Show the work steps for finding the roots of x^4-13x^2+36 algebraically

Answers

The factors of given polynomial are (x+3), (x-3), (x+2) and (x-2).

What are factors of polynomial?

The factors are the polynomials which are multiplied to produce the original polynomial.

The given polynomial is x⁴-13x²+36

Here, x⁴-13x²+36 can be written as x⁴-9x²-4x²+36

= x²(x²-9)-4(x²-9)

= (x²-9)(x²-4)

= (x²-3²)(x²-2²)

By using the identity a²-b²=(a+b)(a-b)

So, (x+3)(x-3)(x+2)(x-2)

Therefore, the factors are (x+3), (x-3), (x+2) and (x-2).

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Which conditions allow you to conclude that a quadrilateral is a trapezoid?

Answers

Answer:

Below

Step-by-step explanation:

It has two sides that are parallel ( the 'bases' ) and different lengths ( making the other two sides NOT parallel)

Answer:

Step-by-step explanation:

A trapezoid is a quadrilateral with at least one pair of parallel sides. In other words, a trapezoid has two opposite sides that are parallel, called the bases, and the other two sides are called the legs or lateral sides.

So, to conclude that a quadrilateral is a trapezoid, you must determine that:

1)Two of its sides are parallel.

2)The other two sides are not parallel.

If these two conditions are met, then the quadrilateral is a trapezoid.

(If a trapezoid has two pairs of parallel sides, then it is known as a parallelogram, which is a special type of trapezoid.)

help ASAP Thanks mwa

Answers

Answer:

Step-by-step explanation:

In this triangle ABC, the leg lengths are AC and BC, being x and x+7, respectively. So, the area can be listed as: 15 = (1/2) * x * (x+7). Simplifying that gets x^2 + 7x = 30 -> x^2 + 7x - 30 = (x-10)(x-3). So, x = 3 since it cannot be negative.

Write the numeral in its expanded form.
34
x 10
) + (4 x 10
)

Answers

Answer:

380

Step-by-step explanation:

(34 * 10) + (4 x 10) =

= 10 * (34 + 4) =

= 10 * 38 =

= 380

A plane traveled 4160 miles with the wind in 6.5 hours and 3900 miles against the wind in the same amount of time.
Find the speed of the plane in still air and the speed of the wind.
...

Answers

Speed of plane in still air = 560 mph
Speed of wind = 190 mph

Answer:s

Step-by-step explanation:

1. Fill in the missing Statement/Reason for the following proof:
Given: LN bisects ZMLO and LM = LO
Prove: ALMN = ALON
M
STATEMENT
1.
2.
3.
4. LN = LN
5.
ALMN a ALON
REASON
N
1.
2.
3. def of Angle Bisector
4.
5.
| I

Answers

The completed proof that demonstrates that: ΔLMN ≅ ΔLON is:

LN Bisects ∠MLO; and LM ≅ LO [Given]∠MNL ≈ ∠ONL = 90° [Definition of Angle Bisector]LN ≅ LN [Definition of Reflexive Property]; ThusΔLMN ≅ ΔLON [AAS Postulate]

What is the Angle-Angle-Side Postulate (AAS)?

The Angle-Angle-Side Postulate (AAS) is a rule used in geometry to prove that two triangles are congruent. It states that if two angles and the side between them in one triangle are congruent to two angles and the side between them in another triangle, then the two triangles are congruent.

The reflexive property of equality in algebra asserts that a number is always equal to itself. Equality has a reflexive attribute. If x positive integer, then x = x.

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Question 1
What are the coordinates of the x-intercept and y-intercept of the line
4y-4x= -16.

Answers

Y intercept = 0, -4
X intercept = 4, 0

Y intercept: 0,-4
X intercept: 4,0

In the diagram below, point O is the center of the circle.
C
A
(2x+5)°
0
B
Use the given information in the diagram to determine the value of x.

Answers

The value of x for the angle C in the triangle ABC is equal to 42.5

What is a triangle formed by a circle diameter

A triangle formed by the diameter of a circle is a right triangle, with one side being the diameter of the circle and the other two sides being radii of the circle. Since the diameter of a circle bisects the circle into two equal halves, it also bisects the right angle formed by the radii into two equal angles of 45 degrees each.

The angle C is equal to 90° and we shall solve for the value of x as follows:

2x + 5 = 90°

2x = 90° - 5 {subtract 5 from both sides}

2x = 85°

x = 85°/2 {divide through by 2}

x = 42.5

Therefore, the value of x for the angle C in the triangle ABC is equal to 42.5

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A 15.5-m fire truck ladder is leaning against a wall. Find the distance d the ladder goes up the wall (above the fire truck)if the ladder makes an angle of 53° 25' with the horizontal

d= ? m

Answers

The distance the ladder goes up the wall is approximately 12.14 meters.

What is trigonometry ?

Trigonometry is a branch of mathematics concerned with relationships between angles and ratios of lengths.

We can use trigonometry to solve this problem.

Let's call the distance the ladder goes up the wall "d". We can use the angle the ladder makes with the horizontal to find the length of the ladder that is leaning against the wall.

We know that the ladder is 15.5 m long, so we can use the sine function to find the length of the ladder that is leaning against the wall:

sin(53° 25') = d/15.5

We can solve for "d" by multiplying both sides by 15.5:

d = 15.5 * sin(53° 25')

Using a calculator, we get:

d ≈ 12.14 m

Therefore, the distance the ladder goes up the wall is approximately 12.14 meters.

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Given that a function, g, has a domain of -20 ≤ x ≤ 5 and a range of -5 ≤ g(x) ≤ 45 and that g(0) = -2 and g(-9) = 6, select the statement that could be true for g. A. g(-13) = 20 B. g(0) = 2 C. g(7) = -1 D. g(-4) = -11

Answers

Answer: It is not possible to determine the truth of these statements without further information about the function g. The information given only provides the domain and range of the function and the values of g at two specific points, 0 and -9. To determine the value of g at other points, we would need to know the equation for the function g.

Step-by-step explanation:

Need help with this. Keep getting answer wrong

Answers

Answer:

[tex]\frac{-1}{5}[/tex] [tex]y^{2}[/tex] - [tex]\frac{1}{2}[/tex] y + [tex]\sqrt{2}[/tex]

Step-by-step explanation:

Answer:

[tex]-\frac{y^3}{10} +\frac{y^2}{5} -\frac{y}{4} -\sqrt{2}[/tex]

Step-by-step explanation:

write an algebraic expression for the following when a number is doubled and then decreased by 5 the result is 21
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Answers

Answer:

Step-by-step explanation:

First you identify your variable, for our sake lets use x:

x= number in question

Next you write the equation given in the question:

2(x-5)= x+25

Next you use the distributive property and multiply 2 by both x and negative 5 to get:

2x-10=x+25

Now you want to get all of the x's to one side so you subtract the x on the right, fro the one on the left giving you:

x-10=25

Then you simply add 10 to 25 giving you the answer of x=35

Find the range of each set of data.

Set 1: 1, 4, 6, 8, 10, 12

Range =
Set 2: 230, 24, 33, 22, 41

Range =
Which set of data has a wider spread of data?

Answers

The range of set 1 is 11. The range of set 2 is 208

The wider range of set 2, set 2 contains a wider spread of the given data.

What is the range of the data?

The range of the data is defined as the difference between the maximum value of data and the minimum value of the data.

The set is given in the question, as follows:

Set 1: 1, 4, 6, 8, 10, 12

The maximum value = 12

The minimum value = 1

The range of the set 1 = maximum value - minimum value

Substitute the values in the above formula,

The range of the set 1 = 12 - 1

Apply the subtraction operation to get the answer

The range of the set 1 = 11

Set 2: 230, 24, 33, 22, 41

Now, the range of the set 2 = 230 - 22 = 208

Data set 1 has a range of 11, whereas data set 2 has a range of 208.

Therefore, the wider range of set 2, set 2 contains a wider dispersion of data.

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