what is the slope of (-2,-7),(3,-10)

Answer:

Ok so use a ruler and draw out 3 1/4 length and 4 3/4 width and create it into a square.

Step-by-step explanation:

To find the area just multiply the lenght times width and you get 15.4375 or in fractions 247 /16

Given:

Different relations in the options.

To find:

The relation which is a function.

Solution:

A relation is a function if there exist unique output for each input value. In other words, there exist only one y-value for each x value.

In option A, \(y=0,1, 2, 3\) for \(x=4\). So, this relation is not a function.

In option B, \(y=8, 10\) for \(x=10\). So, this relation is not a function.

In option C, \(y=6, -2\) for \(x=-2\). So, this relation is not a function.

In option D, all x-values are different. So, their exist unique output for each input value. It means this relation is a function.

Therefore, the correct option is D.

The point estimate of the difference in the population mean exercised between underclassmen and upperclassmen is 0.16 hours.

In this case, we are estimating the difference in population means between two groups - upperclassmen and underclassmen. The point estimate is calculated by subtracting the sample mean of the underclassmen from the sample mean of the upperclassmen, which gives us

0.76 - 0.60 = 0.16.
the point estimate of the difference in population mean exercised between underclassmen and upperclassmen is 0.16 hours, which was calculated by subtracting the sample mean of underclassmen from the sample mean of upperclassmen.
Point Estimate = (Sample Mean of Upperclassmen) - (Sample Mean of Underclassmen)
Point Estimate = (0.76) - (0.60)
Point Estimate = 0.16

Hence, the point estimate of 0.16 suggests that, on average, upperclassmen exercised 0.16 hours more than underclassmen in the past 24 hours. This is a rough estimate of the difference between the two population means based on the provided sample data.

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The linear function defined from the table is given as follows:

y = -3x + 2.

The slope-intercept representation of a linear function is given by the equation presented as follows:

y = mx + b

The coefficients of the function and their meaning are described as follows:

From the table, we have that the slope and the intercept are given as follows:

Hence the function is defined as follows:

y = -3x + 2.

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Answer:

x= -6

Step-by-step explanation:

(x+76) + (116 + x) = 180 (.....)

2x + 192 = 180

       2x   = -12

         x   = -12/2

         x   =  -6

P/s: I'm very confused actually, no angle is smaller than 0°

I am 100% sure that something is wrong with this math problem, but if we just ignore that very mistake, x = -6

Answer:

you got incorrect before Imao hm whats the question?

Step-by-step explanation:

Answer:

- 4

Step-by-step explanation:

The number of points earned by Anthony is the sum of all the individual points earned from the 5 throws. Considering that he had -6 on 2 throws, 10 from one throw, 2 and the -4 from the final set of throws, the total is equivalent to

= -6 - 6 + 10 + 2 -4

= -4

Anthony earned a total of - 4 from the 5 throws.

Answer:

i think its 10.5

Step-by-step explanation:

Answer:

David was 32 two years ago

Step-by-step explanation:

D = 2H + 4

H = 15

D = 30+4

D = 34

David was 32 two years ago

Answer:

x=−37/2 y+9

Step-by-step explanation:

2x+37y=18

2x+37y+−37y=18+−37y

2x=−37y+18

2x2=−37y+18/2

x=−37/2 y+9

Answer: C. y = 3x - 2.

Step-by-step explanation: The line that passes through the points (1, 7) and (-3, 4) has a slope of (4-7)/(-3-1) = -3/-4 = 3/4. Any line that is parallel to this line will have the same slope of 3/4. Therefore, the correct answer is C. y = 3x - 2.

- Lizzy ˚ʚ♡ɞ˚

Answer:

2500 grams

Step-by-step explanation:

1kg=1000g

2.5kg=1000×2.5

=2500

Answer:

2500 g

Step-by-step explanation:

1 kg=1000 g

2.5kg=2.5×1000 g

so that 2.5kg = 2500 g

Answer:

so here we are told that angle CED is 39 degrees and in this diagram we have three angles the first one is Angle CED the next one is angle CEL and the last one is angle LED so angle c e l + angle LED is equals to angle c e d so in this case 3 x - 6 + x + 25 should be equal to 39 degrees collect the like terms 3 x + x + 25 - 6 is equals to 39 degrees 4X + 19 is equals to 39 cross the 19 over the equals sign that you have 4 x is equals to 39 + 19 4 x is equals to 68 divide both sides by 4 and x is equals to 17 then substitute replace where there is x with seventeen so in this case angle c e l will be 3 * 17 -6 we are multiplying 3 by 17 because it was 3 x and we got the value of x to be 17 so 3 * 17 is 51 -6 is 45 so angle CEL is 45 degrees you can do the same with the other angle that is angle LED and you get x to be 42

The expected mean of the sampling distribution, with groups of size 30, will also be 47. This is because the Central Limit Theorem states that as sample size increases.

The sampling distribution of the mean approaches a normal distribution with a mean equal to the population mean. Therefore, with a large enough sample size of 30, the expected mean of the sampling distribution will be the same as the population mean of 47.
Given that the population has a mean of 47, when creating a sampling distribution for the mean using groups of size 30, the expected mean of the sampling distribution will be the same as the population mean. The expected mean of the sampling distribution with groups of size 30 will be 47.

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Answer:

1000

Step-by-step explanation:

Given that,

The function is t = f(S).

To find,

The unit of f''(S).

Solution,

The given function shows the time for a sample of water to evaporate as a function of the size S of the sample, measured in millimeters.

f'(S) will be in hours per Mililiter

And

f''(S) will be in hours per Mililiter per Mililiter. Therefore, this is the required solution.

Answer:

The annual profit is $6384, if the baker sells 240cupcakes

Step-by-step explanation:

Annual profit in dollars from selling cupcakes = \(p(n)=41n-0.06n^2\)

where n is the number of cupcakes sold .

We need to find the annual profit if the baker sells 240cupcakes.

If baker sells 240 cupcakes, so we have n = 240

Putting value of n in the given equation and finding profit

\(p(n)=41n-0.06n^2\\Put\:n=240\\p(240)=41(240)-0.06(240)^2\\p(240)=9840-0.06(57600)\\p(240)=9840-3456\\p(240)=6384\)

So, The annual profit is $6384, if the baker sells 240cupcakes

Answer:

acute isosceles

Step-by-step explanation:

the angles are smaller than 90 and and the two sides are congruent

Answer:

All triangles

Step-by-step explanation:

They all show right angles.

After  converting 2.340 x 10⁴ to decimal format we will be getting 0.000234. So, the correct answer choice is options (C) which is  0.000234.

In order to convert the given epression i.e. 2.340 x 10⁴ to decimal format, we are required to move the decimal point four places to the left since the exponent is negative.

In order to find the correct decimal format, starting with 2.340, we move the decimal point four places to the left, then the value we will be getting is equal to 0.000234

Therefore, from the above calculation we can draw the inference that the correct answer is option C) i.e 0.000234.

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The average speed of the car is 40 km/hr.

It would take a car 3 hours to cover 120 km at a speed of 40 km/h.

The car moves for a time period of 3 hours.

The car has to travel a total distance of 120 km.

As we know the formula of speed is distance/time,

Hence, s = d/t km/hr

Let speed, distance and time be s, d, t respectively.

So by putting the values,

speed s = d/t = 120/3 = 40 km/hr.

Hence it can be said that the car would cover 120 km at the speed of 40 km/hr in 3 hours.

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\(\Huge \textsf{Answer:\fbox{25 pizzas and 80 sodas sold.}}}\)

\(\Huge \textsf{Step-by-step explanation}\)

\(\LARGE \bold{\textsf{Step 1: Assign Variables}}\)

\(\textsf{Let's assign a variable for the number of pizzas sold, we will call it \textit{"p."}}\\\textsf{And we will assign the variable\textit{"s"} for the number of sodas sold.}\)

\(\LARGE \bold{\textsf{Step 2: Write equations based on the given information}}\)

\(\large \bold{ \textsf{From the problem, we know that:}}\)

\(\bullet \textsf{The school made \$260 from seeling 4 pizzas and 2 sodas.}\\\\\bullet \textsf{The number of sodas sold was five more than three times the number of pizzas sold.}\)

\(\large \bold{ \textsf{We can use this information to write two equations:}}\)

\(\text{Equation 1} : 4p + 2s = 260 \text{(since each pizza costs \$4 and each soda costs \$2)}\)

\(\text{Equation 2} : s = 3p + 5 \text{(The number of sodas sold was 3 times the number of}\\\text{pizzas sold plus 5)}\)

\(\LARGE \bold{\textsf{Step 3: Solve the system of equations}}\)

\(\large \textsf{To solve the system of equations, we can substitute Equation 2 into Equation}\\\textsf{1 for \textit{"p"}:}\)

\(\bullet \textsf{4\textit{p} + 2\textit{s} = 260}\\\\\bullet \textsf{4\textit{p} + 2(3\textit{p} + 5) = 260}\)

\(\large \textsf{Simplifying this expression gives us:}\)

\(\textsf{10\textit{p} + 10 = 260}\)

\(\large \textsf{Subtracting 10 from both sides:}\)

\(\textsf{10\textit{p} = 250}\)

\(\large \textsf{Dividing both sides by 10}\)

\(\textsf{\textit{p} = 25}\)

\(\large \textsf{Now that we know the number of pizzas sold, we can use Equation 2 to find}\\\textsf{the number of sodas sold:}\)

\(\bullet \textsf{\textit{s} = 3\textit{p} + 5}\\\\\bullet \textsf{\textit{s} = 3(25) + 5}\\\\\bullet \textsf{\textit{s} = 75 + 5}\\\\\bullet \textsf{\textit{s} = 80}\)

\(\large \textsf{So, 25 pizzas and 80 sodas were sold.}\)

----------------------------------------------------------------------------------------------------------

according to the central limit theorem, as sample size increases, the population from which the sample was taken approaches the normal distribution is a True.

The Central Limit Theorem states that when the sample size of a population increases, the sampling distribution of the mean of that population will become normally distributed, regardless of the distribution of the population from which it was taken.The Central Limit Theorem states that, as sample size increases, the distribution of the sample mean will approach a normal distribution, regardless of the shape of the data’s original population distribution. The larger the sample size, the more closely the sample mean will approximate a normal distribution. This means that, regardless of the distribution of the population from which the sample is taken, the sampling distribution of the mean will approach a normal distribution as the sample size increases.

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Erin will need to purchase 48ft² of tile for her kitchen island.

In order to calculate the square footage of tile needed for Erin’s kitchen island, we will use the formula for the area of a rectangle: A = lw, where A is the area, l is the length, and w is the width.

The first step is to measure the length and width of the island. Let’s assume that the length is 16ft and the width is 3ft.

Next, we will use the formula to calculate the area of the island: A = lw

A = 16ft x 3ft

A = 48ft²

Finally, Erin will need to purchase 48ft² of tile for her kitchen island.

To double check our calculations, we can also calculate the area of each individual side of the island. For example, the area of the 16ft side is 16ft x 2ft = 32ft². The area of the 3ft side is 3ft x 7ft = 21 ft². When we add the areas together, 32ft² + 21ft² = 53ft². Since 53ft² is greater than 48ft², it is clear that calculating the area of the entire island is the correct solution.

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Answer:

5,-3

Step-by-step explanation:

use the formula

substitute the number

and get the answer

Answer:

(x1+x2)/2,(y1+y2)/2

Step-by-step explanation:

use this formula

answer will come for sure

7=x1

-7=y1

3=x2

1=y2

Step-by-step explanation:

The lateral surface area of a regular pyramid is equal to the product of its base area and a factor dependent on its slope. The total surface area of the pyramid is equal to the sum of its lateral surface area and the area of its base.

For a pyramid with a base of 10 cm and a height of 12 cm, the lateral surface area can be determined by first calculating the area of its base:

Base Area = (1/2)*(10 cm)*(10 cm) = 50 cm^2.

The factor dependent on the slope is then calculated using the following formula: Slope Factor = (1/2)*sqrt((h^2) + (a^2)), where h is the height and a is the side length of the base.

Slope Factor = (1/2)*sqrt((12 cm)^2 + (10 cm)^2) = (1/2)*14 cm = 7 cm.

Thus, the lateral surface area of the pyramid is equal to the product of the base area and the slope factor: Lateral Surface Area = (50 cm^2)*(7 cm) = 350 cm^2.

The total surface area of the pyramid is equal to the sum of its lateral surface area and the area of its base: Total Surface Area = 350 cm^2 + 50 cm^2 = 400 cm^2.

Answer:

2

Step-by-step explanation:

12:1,2,3,4,6,12

18:1,2,3,6,9,18

32:1,2,4,8,16,32

h.c.f = 2

The five-number summary, as shown in the MINITAB output, includes the minimum value, Q1 (the first quartile), the median (Q2), Q3 (the third quartile), and the maximum value.

To calculate the interquartile range (IQR), we need to find the difference between Q3 and Q1. In this case, Q1 is 6 and Q3 is 11, so the IQR is 5.
To determine if there are any outliers in the data set, we can use the rule that any data points that are more than 1.5 times the IQR below Q1 or above Q3 are considered outliers. In this case, the lower limit would be 6 - (1.5 x 5) = -1.5 and the upper limit would be 11 + (1.5 x 5) = 18.5. Looking at the data in column 1, we can see that there are no values that fall outside of these limits, so there are no outliers in this set of data.
Using statistics software to calculate the five-number summary, IQR, and identify outliers is a quick and efficient way to analyze data. This information can provide valuable insights into the distribution of the data and help identify any potential issues or trends that need to be addressed.

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Answer:

10

13

15

17

22

Step-by-step explanation:

the first 5 terms will be 1,2,3,4 and 5.

I guess...

Answer:

a1 = 10

a2 = 13

a3 = 16

a4 = 19

a5 = 22

Step-by-step explanation:

Substitute in the value of  n  to find the  n

th term.

a1 = 3 (1) + 7

3 + 7 = 10

a2 = 3 (2) + 7

6 + 7 = 13

a3 = 3 (3) + 7

9 + 7 = 16

a4 = 3 (4) + 7

12 + 7 = 19

a5 = 3 (5) + 7

15 + 7 = 22

good luck, hope this helps :)

Step-by-step explanation:

its division just add 440 plus 2.75$ Then when u add them divide whatever u get by 5

The number of calendars must be sold to keep the cost of printing under $5 per calendar is 196.

Given that, the total cost of printing the calendar is $440 plus an additional charge of $2.75 per calendar.

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Let the number of calendars be x.

An additional charge of $2.75 per calendar

= 2.75x

Now, (440+2.75x)/x =5

⇒ 440+2.75x=5x

⇒ 2.25x=440

⇒ x=440/2.25

⇒ x=195.5

≈196

Therefore, the number of calendars must be sold to keep the cost of printing under $5 per calendar is 196.

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