Paolo missed 3 out of 15 questions on a quiz, or 3/15. Write the fraction of a questions paulo answered correctly as a decimal

Answer:

The answer is 50%

Step-by-step explanation:

Sample Space (S) = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}

To illustrate all possible outcomes of tossing a dime 3 times, we can create a tree diagram. We'll represent a Head as "H" and a Tail as "T".

Here's the tree diagram:

         H

      /     \

  H       T

 /  \    /  \

H    T  H    T

         T

      /     \

  H       T

 /  \    /  \

H    T  H    T

Using the tree diagram, we can write out the sample space as a set of all possible outcomes:

Sample Space (S) = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}

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Answer:Tyreses plumbing and Bills plumbing

Step-by-step explanation:Tyrese:280-120=160/3.5=45.74

Bill:180-100=80/2=40

Answer:

Edge 2021

Answer:

C

Step-by-step explanation:

i jut got it right

The scatterplot with the least squares line provides insights into the relationship between average annual global surface temperature and the years from 2000 to 2015, allowing us to assess trends, strength of correlation, and make predictions within certain limitations.

The scatterplot represents the relationship between the average annual global surface temperature, in degrees Celsius, and the corresponding years from 2000 to 2015. The line drawn on the plot is the least squares line, which is the best fit line that minimizes the overall distance between the observed data points and the line.

The least squares line is determined using a statistical method called linear regression. It calculates the equation of a straight line that represents the trend in the data. This line serves as a mathematical model to estimate the average temperature based on the year.

By analyzing the scatterplot and the least squares line, we can make several observations. Firstly, we can see whether the temperature has been increasing, decreasing, or remaining relatively stable over the given years. If the slope of the line is positive, it indicates a positive correlation, implying that the temperature has been increasing. Conversely, a negative slope suggests a decreasing trend.

Additionally, we can evaluate the strength of the relationship between temperature and time by examining how closely the data points cluster around the line. If the points are closely grouped around the line, it suggests a strong correlation, indicating that the line is a good representation of the data. On the other hand, if the points are more scattered, the correlation may be weaker.

Furthermore, the line can be used to predict the average annual global surface temperature for future years beyond the data range of 2000 to 2015. However, it's important to note that such predictions should be made with caution and considering other factors that may affect global temperatures, such as climate change and natural variability.

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Question

The given scatterplot shows the average annual global surface temperature, in degrees celsius, for each year from 2000 to 2015. the line drawn is the least squares line for the data set.

Answer:

what is this? ahdhdjxkdjjshsysusiiaiajsjjdyxc

Answer:

21.75

Step-by-step explanation:

Please mark brainliest

On solving the provided question, we can say that in the quadrilateral BD = 11, BC = 8, DC = 8 and perimeter of ABCD is = 38

A quadrilateral is a four-sided polygon in geometry that has four edges and four corners. The word is a derivative of the Latin words quadri and latus (meaning "side"). Having four sides, four vertices, and four corners, a rectangle is a two-dimensional form. Concave and convex come in primarily two varieties. Additionally, there are several subclasses of convex quadrilaterals, including trapezoids, parallelograms, rectangles, rhombuses, and squares. Four straight sides make up a rectangle, which is a two-dimensional form. There are several different types of quadrilaterals, including parallelograms, trapezoids, rectangles, kites, squares, and rhombuses.

in the quadrilateral

BD = 11 ( equal angle have equal sides)

BC = 8

DC = 8

perimeter of ABCD is = 38

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As per the concept of fraction, the another way to express 8 feet is

2 ²/₃ yards.

The term fraction refers the numerical values that are a part of the whole.

Here we have given that a clothesline rope is 8 feet long.

And we need to find another way to express 8 feet.

In order to convert a foot measurement to a yard measurement, we have to divide the length by the conversion ratio.

Here we know that one yard is equal to 3 feet, you can use this simple formula to convert:

=> yards = feet ÷ 3

Here we have the measurement of 8 feet.

So, the equivalent yard measurement is written as,

=> yards = 8/3

When we convert it into mixed fraction form, then we get,

=> 2 ²/₃ yards.

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Answer:  The top graph.

Step-by-step explanation:  The inflection is at x = 0, since the absolute value of x starts becoming greater as x decreases.  E.g., at x = -2,

f(x) = |x| - 4

f(x) = |-2| - 4

f(x) = 2 - 4

f(x) = - 2

At x = -4

f(x) = |x| - 4

f(x) = |-4| - 4

f(x) = 4 - 4

f(x) = 0

Answer:

326.5

Step-by-step explanation:

Answer: I think you answer is -61 if not sorry

Step-by-step explanation:

The Q3 of the "under 25" group is 84 bpm, calculated as the median of the upper half of the data set.

To  calculate the quartiles of the "under 25" group, we need to use the following formula:

Q1: Median of the lower half of the data set

Q2 (Median): Median of the entire data set

Q3: Median of the upper half of the data set

To find Q1 of the "under 25" group, we first need to find the median of the lower half of the data set. Since the data set has 10 elements, the median is the average of the 5th and 6th smallest values:

(76 + 68) / 2 = 72

Therefore, Q1 of the "under 25" group is 72 bpm.

To find Q3 of the "under 25" group, we need to find the median of the upper half of the data set. Again, since the data set has 10 elements, the median is the average of the 5th and 6th largest values:

(80 + 88) / 2 = 84

We also found the five number summary for the "under 25" group, which includes the minimum value of 64 bpm, Q1 of 72 bpm, median (Q2) of 72 bpm, Q3 of 78 bpm, and maximum value of 88 bpm. Finally, we created a stacked box plot to compare the pulse rates of women under and over the age of 25.

Therefore, Q3 of the "under 25" group is 84 bpm.

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Answer:

13.) 237 millimeters

14.) 87.5 feet (87 feet 6 inches)

15.) 28

16.) 121 degrees

Step-by-step explanation:

16.) The "arc length" formula is s = rФ, where Ф represents the central angle in radians (not degrees).

Here r = 18 ft and s = 38 ft, and so:

                                     38 ft

s = rФ becomes Ф = ------------ = 2.111 radians

                                     18 ft

which, in degrees, is:

2.111 rad      180 deg

------------- * --------------- = 121 degrees, to the nearest degree

  1            3.142

Answer:

1 1/4

Step-by-step explanation:

1/2 = 2/4

1 3/4 - 2/4 = 7/4 - 2/4 = 5/4 = 1 1/4

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The number of candidate keys of R is 1.

A candidate key is a minimal set of attributes that can uniquely identify each tuple in a relation. To determine the candidate keys of relation R(A, B, C, D, E), we can follow these steps:

Compute the closure of each attribute set using the given functional dependencies (FDs):

BC+ = BC (from BC→D)

CD+ = CDAEB (from CD→A, A→E, E→B)

Identify the candidate key(s) by checking if each attribute set's closure includes all attributes of R.

Checking BC+:

BC+ includes D but does not include A or E, so BC is not a candidate key.

Checking CD+:

CD+ includes all attributes of R (A, B, C, D, E), so CD is a candidate key.

Therefore, the relation R has one candidate key: (CD).
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Answer:

0.3 is the correct answer of this question

Answer:

0.3

That is it

I hope this helps!

Step-by-step explanation:

It's just 3 ÷ 10 = 0.3

The expression that is equivalent to 4⁴·4⁻⁹ is found to be 4⁻⁵. Hence option D is correct.

When multiplying exponential expressions with the same base, you add their exponents.

So, 4⁴⋅4⁻⁹ can be written as:

4⁴⁻⁹ = 4⁻⁵

Now, we know that a negative exponent means taking the reciprocal of the base raised to the positive exponent. Therefore,

4⁻⁵ = 1/4⁵

So, the expression 4⁴⋅4⁻⁹ is equivalent to the fraction 1 over 4 to the power 5. Therefore, the answer is 4⁻⁵.

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Complete question - Which expression is equivalent to 4⁴·4⁻⁹?

A. 4^13

B. 4^5

C. 4^-13

D. 4^-5

Answer:

-5

Hope this helps!

Answer:

c

Step-by-step explanation:

Points A, B, and C are collinear and the lengths of AB, BC, and AC are:

AB = 14, BC = 19, AC = 33.

Since points A, B, and C are collinear, we can use the segment addition postulate to relate their lengths. According to the postulate, the sum of the lengths of smaller segments equals the length of the whole segment.

Given: AB = x + 4, BC = 2x - 1, and AC = 4x - 7.

We know that AB + BC = AC.

Substituting the given values, we have:

(x + 4) + (2x - 1) = 4x - 7.

Now, let's solve this equation to find the value of x:

x + 4 + 2x - 1 = 4x - 7.

Combining like terms:

3x + 3 = 4x - 7.

Moving all terms containing x to one side and constants to the other side:

3x - 4x = -7 - 3.

-x = -10.

Dividing both sides by -1 (which is the same as multiplying by -1):

x = 10.

Now that we know the value of x, we can substitute it back into the given expressions to find the lengths of AB, BC, and AC.

AB = x + 4 = 10 + 4 = 14.

BC = 2x - 1 = 2(10) - 1 = 19.

AC = 4x - 7 = 4(10) - 7 = 33.

Therefore, the lengths of AB, BC, and AC are:

AB = 14,

BC = 19,

AC = 33.

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The radius of the circle is 10 inches.

A sector is a part of a given circle which is made from two radii and an arc. It's area can be determined by;

area of a sector = θ/360*πr^2

where θ is the measure of its central angle, and r is its radius.

Then from the given question, we have;

area of a sector = θ/360*πr^2

162 = 180/360 *3.14*r^2

      = 1.57r^2

r^2 = 162/1.57

     = 103.1847

So that;

r = (103.1847)^1/2

 = 10.16

The radius of the circle is approximately 10 inches.

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Answer:

55-10=45

Step-by-step explanation:

Answer:

The equation of the scenario is

✔ p = 55 – 0.5w

.

The values of p must be

✔ any real number 45 to 55

.

Step-by-step explanation:

edge 2021

Step-by-step explanation:

= 4+( 9/12 + 8/12)

We can simplify 5 to the second power and 5 to the ninth power as follows:

5² = 25

5⁹ = 1, 953, 125

To simplify the expression, we will first raise 5 to the power of 2 by multiplying it in two places. This gives us:

5² = 5 * 5

= 25

Also, for the second expression, we can simplify by raising 5 to the power  of 9 to get

5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 = 1, 953, 125

So, the best way to simplify the expressions will be by multiplying 5 by as many times as its power specifies.

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The given series is convergent. It is a p-series with p = 2 because each term is in the form of 1/n².

The p-series with p > 1 always converge, so this series converges. This means that the sum of the terms in the series approaches a finite value as the number of terms approaches infinity.

In other words, the series does not diverge to infinity or oscillate between positive and negative values. The convergence of this series can be proven using the integral test or by comparing it to another convergent series.

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Answer:

Step-by-step explanation:

We can start by substituting the first equation into the second equation in terms of y:

2x + 2y = 15

2x + 2(2x) = 15 (since y = 2x)

2x + 4x = 15

6x = 15

x = 2.5

Now we can use the value of x to find y by substituting into the first equation:

y = 2x

y = 2(2.5)

y = 5

Therefore, the solution to the system of equations is (x, y) = (2.5, 5).

Answer: (5/2, 5)

Step-by-step explanation:

      We will substitute the first equation into the second equation. Then, we will solve using inverse operations.

2x + 2y = 15

2x + 2(2x) = 15

2x + 4x = 15

6x = 15

x = 15/6 = 5/2

      Next, we will substitute this value into the first equation given.

y = 2x

y = 2(5/2)

y = 5

      This means the solution to this system of equations, written as (x, y) is;

                                 (5/2 , 5)

The statement that shows equivalent measurements is "52 meters = 520 decimeters." Option C.

To determine the equivalent measurements, we need to understand the relationship between different metric units.

In the metric system, each unit is related to others by factors of 10, where prefixes indicate the magnitude. For example, "deci-" represents one-tenth (1/10), "centi-" represents one-hundredth (1/100), and "kilo-" represents one thousand (1,000).

Let's analyze each statement:

5.2 meters = 0.52 centimeters: This statement is incorrect. One meter is equal to 100 centimeters, so 5.2 meters would be equal to 520 centimeters, not 0.52 centimeters.

5.2 meters = 52 decameters: This statement is incorrect. "Deca-" represents ten, so 52 decameters would be equal to 520 meters, not 5.2 meters.

52 meters = 520 decimeters: This statement is correct. "Deci-" represents one-tenth, so 520 decimeters is equal to 52 meters.

5.2 meters = 5,200 kilometers: This statement is incorrect. "Kilo-" represents one thousand, so 5.2 kilometers would be equal to 5,200 meters, not 5.2 meters.

Based on the analysis, the statement "52 meters = 520 decimeters" shows equivalent measurements. So Option C is correct.

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Note the correct and the complete question is

Select the statement that shows equivalent measurements.

A.) 5.2 meters = 0.52 centimeters

B.) 5.2 meters = 52 decameters

C.) 52 meters = 520 decimeters

D.) 5.2 meters = 5,200 kilometers

The solution is Option C.

The L'Hopital's rule is applied to the equation lim x approaches 0 (1-cosx)/x

L'Hopital's rule then states that the slope of the curve when t = c is the limit of the slope of the tangent to the curve as the curve approaches the origin, provided that this is defined. The limit of a quotient of functions (i.e., an algebraic fraction) is equal to the limit of their derivatives.The tangent to the curve at the point [g(t), f(t)] is given by [g′(t), f′(t)]

And , lim x approches c  [ f ( x ) / g ( x ) ] = lim x approches c [ f' ( x ) / g' ( x ) ]

Given data ,

Let the equation be represented as A

Now , the value of A is

a)

The equation is A = lim x approaches 0 (1/x)

On simplifying the equation , we get

The limit diverges as the function diverges and limit does not exist

And ,  lim x approaches 0₊ (1/x) ≠ lim x approaches 0₋ (1/x) = ∞

b)

The equation is A = lim x approaches 0 ( 2x² - 1 ) / ( 3x - 1 )

On simplifying the equation , we get

when x = 0 ,

Substitute the value of x = 0 in the limit , we get

A = ( 2 ( 0 )² - 1 ) / ( 3 ( 0 ) - 1 )

A = ( 0 - 1 ) / ( 0 - 1 )

A = 1

c)

The equation is A = lim x approaches 0 ( 1 - cosx ) / x

On simplifying the equation , we get

Applying L'Hopital's rule , we get

lim x approches c  [ f ( x ) / g ( x ) ] = lim x approches c [ f' ( x ) / g' ( x ) ]

f ( x ) = ( 1 - cos x )

g ( x ) = x

f' ( x ) = sin x

g' ( x ) = 1

So ,

lim x approches 0 [ f' ( x ) / g' ( x ) ] = lim x approches 0 ( sin x / 1 )

when x = 0

sin ( 0 ) = 0

Therefore , the value of lim x approaches 0 (1-cosx)/x = 0

d)

The equation is A = lim x approaches 0 ( cos 2x ) / 2

On simplifying the equation , we get

when x = 0 ,

A = cos ( 2 ( 0 ) / 2

A = cos ( 0 ) / 2

A = 1/2

Hence , the L'Hopital's rule is applied to lim x approaches 0 ( 1 - cosx ) / x

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Answer:

y = 5 ; x = 4

Step-by-step explanation:

Given :

5x + 6y = 50 - - - (1)

x - 6y = -26 - - - (2)

From (2)

x = - 26 + 6y

Put - 26 + 6y for x in (1)

5(-26 + 6y) + 6y = 50

-130 + 30y + 6y = 50

-130 + 36y = 50

-130 - 50 = - 36y

-180 = - 36y

y = 180 / 36

y = 5

Put y =5 in x = - 26 + 6y

x = - 26 + 6(5)

x = - 26 + 30

x = 4

y = 5 ; x = 4