A sticker has a length of 4 inches. If Gary places the stickers end to end, how many can he fit on a banner that is 12 feet long? ( 1 foot = 12 inches ) explain why thank you!!!!

A) 144
B) 38
C) 36
D) 42

Given:

p = 16%

and, n = 400

We will find the margin of sampling error

The formula to find the margin of sampling error will be:

substitute with (p) and (n):

Rounding to the nearest whole percent

So, the answer will be 4%

The total area of the figure is 60 square centimeters.

We can see that in this figure we have 4 rectangles of 5cm by 3 cm.

Remember that the area of a rectangle is just the product between the dimensions, then the total area here is 4 times the product between the dimensions.

We will get:

Area = 4*(5cm*3cm) = 4*15cm² = 60cm²

That is the total area.

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Answer:

Y is a variable and 9 is a constant. Y and 9 is are also a term

Step-by-step explanation:

The measures of central tendency of the first psychology exam in a semester are the average score, which was an 85.

The correlation coefficient and the range of scores from 95 to 65 are not measures of central tendency either.

The standard deviation is a measure of variability, not central tendency, that the measures of central tendency of the first psychology exam are the average and median scores. This states that the mode, correlation coefficient, range of scores, and standard deviation are not measures of central tendency.

Hence, the measures of central tendency for the first psychology exam in a semester are the average score (85) and the median score (80).

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The measures of central tendency for the psychology exam scores include the average, median, and mode.

The measures of central tendency of the first psychology exam in a semester include the average score, median score, and mode (most frequently occurring score).

The average score on the exam was 85, which represents the mean of all the scores.

The median score on the exam was 80, which represents the middle value when all the scores are arranged in order.

The most frequently occurring score was 82, which represents the mode of the scores.

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3(2)-2=4, the second is true. the answerb is b

Approximately 9% of the world's plastic waste ends up being recycled.

Here, we have,

given that,

approximately what percent of the world's plastic waste ends up being recycled.

we know that,

Of the 8.3 billion metric tons that has been produced,

6.3 billion metric tons has become plastic waste.

Of that, only nine percent has been recycled.

we have,

Only 9% of plastic waste is recycled

(15% is collected for recycling but 40% of that is disposed of as residues).

Hence, Approximately 9% of the world's plastic waste ends up being recycled.

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Given:

The length of the sofa is 6'3''.

We need to convert the foot into inches.

Multiply both sides by 6, we get

The length of the sofa is

The scale of the plan is

Multiply by 75/12 on both sides, we get

Hence the length of the sofa on the plan is

He rented the pressure washer for 4 hours, given that the total bill was $86.

An algebraic expression is the combination of numbers and variables in expressing and solving a particular mathematical question. An equation is the equality of expressions.

Let x = total number of hours he rented the pressure washer

The total bill, which was $86, includes the flat fee of $50 plus $9 per hour of use.

Hence, the equation will be 50 + 9x = 86.

Solve for x.

50 + 9x = 86

9x = 86 - 50

9x = 36

x = 4

total number of hours he rented the pressure washer = 4

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1. The average of the set of data is 88.325

2. The average absolute deviation for the set of data is 0.575

The following data were obtained from the question:

The average of the given set of data can be obtained as follow:

Average = Summation of data / number of data

Average = 353.3 / 4

Average = 88.325

The average absolute deviation for the data can be obtained as follow:

Average absolute deviation = absolute deviation / number of data

Average absolute deviation = 2.3 / 4

Average absolute deviation = 0.575

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Answer:

It is D

Step-by-step explanation:

because a repeating decimal that has a non - zero value, but a terminating decimal ends in a zero.

Answer:

shoukd be 15

Step-by-step explanation:

Answer:

9.6

Step-by-step explanation:

10 - 4/10 = 9 6/10

9 6/10 = 15

Answer:

B. 1/2, and D. 5/10.

Step-by-step explanation:

All the equivalent fractions are:

1/2, 2/4, 4/8, 8/16, 5/10, 10/20, 6/12, and 3/6.

Answer: .416666667

Step-by-step explanation: Take 80 and divide it by 192.0= .416666667

Answer:

The probability that the individual has the disease is 1/500

Step-by-step explanation:

i found the fraction of 1 in 500 which is 1/500, hope this helps :)

The x-coordinate of the x-intercept of line k is -5/2.

Since this point lies on the x-axis, its y-coordinate is 0.

Given that the line has a y-intercept at the point (0, p), where p is a positive constant. This means that when x = 0, y = p.

As we know that the equation of the line can be written as y = mx + b, where m is the slope and b is the y-intercept.

Here, the slope is the negative of the fraction 2p/5, so the equation of line k is y = -2p/5 x + p.

Substitute y = 0 into the equation and solve for x:

0 = -2p/5 x + p

Subtract p from both sides and then multiply by 5/(-2p):

-2p/5 x = -p

x = (-p)(5/2p)

x = -5/2

Therefore, the x-coordinate of the x-intercept of line k is -5/2.

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The linear relationship between time and distance can be considered proportional. The constant of proportionality in this case is 4.

In a proportional relationship, the ratio between the two quantities remains constant. Here, as time increases by 2 hours, the distance also increases by 8 miles. Let's calculate the ratio of distance to time for each pair of values:

For the first pair (2 hours, 8 miles):

Ratio = distance / time = 8 miles / 2 hours = 4 miles/hour

For the second pair (4 hours, 16 miles):

Ratio = distance / time = 16 miles / 4 hours = 4 miles/hour

For the third pair (6 hours, 24 miles):

Ratio = distance / time = 24 miles / 6 hours = 4 miles/hour

For the fourth pair (8 hours, 32 miles):

Ratio = distance / time = 32 miles / 8 hours = 4 miles/hour

As we can see, the ratio of distance to time remains constant at 4 miles per hour for all the pairs. This indicates a proportional relationship between time and distance.

Therefore, the linear relationship is also proportional, and the constant of proportionality is 4.

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The number of vats to be used is 8

Given: Weight of material used per day = 196 pounds

Weight of each vat = 26 pounds

Cycle time for each vat = 2.5 hours

Inefficiency factor assigned by manager = 25%

Time available for each day = 8 hours

To calculate the number of vats to be used, we need to calculate the time required to transport the total material by the available vats.

So, the number of vats required = Total material weight / Weight of each vat

To calculate the total material weight transported in 8 hours, we need to calculate the time required to transport the weight of one vat.

Total time to transport one vat = Cycle time for each vat / Inefficiency factor

Time to transport one vat = 2.5 / 1.25

(25% inefficiency = 1 - 0.25 = 0.75 efficiency factor)

Time to transport one vat = 2 hours

Total number of vats required = Total material weight / Weight of each vat

Total number of vats required = 196 / 26 = 7.54 (approximately)

Therefore, the number of vats to be used is 8 (rounded up to the next whole number).

Answer: 8 vats will be used.

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There is a significant relationship between the number of cats she owns and the number of times an old widow was married (r = +0.91, p < 0.05, r² = 0.82).

Given, the Pearson correlation coefficient of +0.91,

There appears to be a strong +ve correlation between the number of cats she owns and the number of times an old widow was married.

It suggests that the more times a widow was married,the more cats she tends to own.

Approximately 82% of the variance in the number of cats owned can be explained by the number of times a widow was married is indicated by the coefficient of determination (r²).

Hence, we can say that there is a significant relationship between the number of cats she owns and the number of times an old widow was married (r = +0.91, p < 0.05, r² = 0.82).

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Answer: Its 28.7

Step-by-step explanation:

Answer:use camera math!

Step-by-step explanation:it helped me!it only works

On math though so you cant use it on any

Other subject hope this helped sorry

If it didn’t!

Answer:

B) y = 3x - 7

Step-by-step explanation:

y=mx+b

isolate y

y=3x-12+5

y=3x-7

Answer: B (y=3x-7)

Step-by-step explanation:

The perimeter of triangle is 66.24 units.

What is triangle?

In Euclidean geometry, any 3 points, once non-collinear, verify a unique triangle and at the same time, a unique plane

Main body:

according to question :

c = 28

let the vertices be A,B,C

∠A= 30°

by using trigonometric ratios,

BC/ AB = sin30°

AB = C = 28

BC/28 = sin30°

BC = 28*sin30°

BC= 28*(1/2)

BC = 14

similarly

AB /CA = cos 30°

28/CA = √3/2

CA = 28*√3/2

CA = 14/√3

CA = 24.24

Hence , perimeter = AB +BC +CA = 28+14+24.24

                              =66.24 units

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In this case, the equation is in vertex form. To graph the parabola, we need to determine the y-intercept, x-intercept(s), and the vertex.

Vertex form: y = a(x + h)² - k

Assume "y" as 0.

\(\implies 0 = 3(x + 2)^{2} - 1\)

\(\implies 1 = 3(x + 2)^{2}\)

Take square root both sides and simplify:

\(\implies\sqrt{1} = \sqrt{3(x + 2)^{2}}\)

\(\implies1 = \sqrt{3 \times (x + 2) \times (x + 2)}\)

\(\implies1 = (x + 2) \times \sqrt{3\)

Divide √3 both sides:

\(\implies \±\huge\text{(}\dfrac{1 }{\sqrt{3}} \huge\text{)} = (x + 2)\)    

\(\implies \±\huge\text{(}\dfrac{\sqrt{1} }{\sqrt{3}} \huge\text{)} = (x + 2)\)    

Multiply √3 to the numerator and the denominator:

\(\implies \±\huge\text{(}\dfrac{\sqrt{1} \times \sqrt{3} }{\sqrt{3\times \sqrt{3}}} \huge\text{)} = (x + 2)\)

\(\implies \±\huge\text{(}\dfrac{\sqrt{3} }{3}} \huge\text{)} = (x + 2)\)

\(\implies \±\huge\text{(}\dfrac{\sqrt{3} }{3}} \huge\text{)} - 2 =x\)

\(\implies x = \underline{-2.6...} \ \text{and} \ \underline{-1.4...} \ \ \ \ (\text{Nearest tenth})\)

Assume "x" as 0.

y-intercept = 11 ⇒ (0, 11)

Since the first cooeficient is positive (+3), the direction of the parabola will be upwards.

Axis of symmetry line: x-coordinate of vertex

Axis of symmetry line: x = -2

Plot the following on the graph:

Refer to graph attached.

Answer:

Vertex form of a quadratic equation:

\(y=a(x-h)^2+k\quad \textsf{where }(h,k)\:\textsf{is the vertex}\)

Given equation:  \(y=3(x+2)^2-1\)

Therefore, the vertex is (-2, -1)

The x-intercepts are when \(y=0\):

\(\implies 3(x+2)^2-1=0\)

\(\implies 3(x+2)^2=1\)

\(\implies (x+2)^2=\dfrac13\)

\(\implies x+2=\pm\sqrt{\dfrac13}\)

\(\implies x+2=\pm\dfrac{\sqrt{3}}{3}\)

\(\implies x=-2\pm\dfrac{\sqrt{3}}{3}\)

\(\implies x=\dfrac{-6\pm\sqrt{3}}{3}\)

Therefore, the x-intercepts are at -2.6 and -1.4 (nearest tenth)

The y-intercept is when \(x=0\):

\(\implies 3(0+2)^2-1=11\)

So the y-intercept is at (0, 11)

The axis of symmetry is the x-value of the vertex.  Therefore, the parabola is symmetrical about x = -2

**You don't need to plot the axis of symmetry - I have added it so that it is easier to draw the curve**

R2 value less than 1 does not necessarily mean that the regression analysis is incorrect or that the observation data is suspect.

Rather, it suggests that there may be additional factors to consider when interpreting the results.

The statement "If R2 is less than 1, the regression analysis is incorrect" is not entirely true.

R2 is a statistical measure that indicates the proportion of the variance in the dependent variable that is explained by the independent variable(s). R2 values range from 0 to 1, where 0 indicates no correlation and 1 indicates perfect correlation.

If R2 is less than 1, it simply means that the independent variable(s) are not able to explain all of the variation in the dependent variable.

This does not necessarily mean that the regression analysis is incorrect.

In fact, it is common for regression analyses to have R2 values that are less than 1.

The key is to interpret the R2 value in conjunction with other statistical measures and to consider the research question being addressed.

Some possible implications of having an R2 value less than 1 might include:

The independent variable(s) have a weaker relationship with the dependent variable than anticipated.

There may be other factors that are influencing the dependent variable that are not accounted for in the regression analysis.

The sample size may be too small to detect a significant relationship between the independent and dependent variables.

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Vector equation of the line tangent to the graph of r(t) at the point p0 on the curve r(t) = (3t - 1) i + 13t j + 4 k.

To find a vector equation of the line tangent to the graph of r(t) at the point P0 on the curve r(t) = (3t - 1) i + 13t j + 16 k, where P0 is given as (-1,4), we can use the following steps:

Step 1: Find the derivative of r(t) with respect to t:

r'(t) = 3 i + 13 j

Step 2: Evaluate the derivative at the point P0:

r'(-1) = 3 i + 13 j

Step 3: Use the point P0 and the vector r'(-1) to form the vector equation of the tangent line:

r(t) = P0 + r'(-1) t

where t is a scalar parameter.

Plugging in the values, we get:

r(t) = (-1)i + 4j + (3i + 13j)t

Simplifying, we get:

r(t) = (3t - 1) i + 13t j + 4 k

Therefore, the vector equation of the line tangent to the graph of r(t) at the point P0 on the curve

r(t) = (3t - 1) i + 13t j + 16 k  is

r(t) = (3t - 1) i + 13t j + 4 k.

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Answer: Non proportional

Step-by-step explanation:

To know if the values given are proportional or not, we will use the formula:

y = kx

where

y = number of organisms

x = number of minutes

k = constant of proportionality

After 5 minutes, a bacteria colony has 1.3 million organisms. Using the formula, y = kx

1,300,000 = 5k

k = 1,300,000 / 5

k = 260,000

After 12 minutes, the same colony has 41.5 million organisms. Using y= kx

41,500,000 = 12x

x = 41500000 / 12

x = 3458333.8

After 15 minutes, the colony has grown to 101.3 million organisms.

y = kx

101,300,000 = 15k

k = 101,300,000 / 15

k = 6753333.8

It is a non-proportional relationship as the constant of proportionality is different for each.

girls are 3 out of 5 (⅗)

Step-by-step explanation:

Boys : 2

Girls : 3

Tolat 5 people

there are 3 girls out of 5 kids

Hope this helped

Answer:

69°

Step-by-step explanation:

Vertical Angles theorem states that any two opposite angles formed by two intersecting lines are the same.

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