• Samir and Jillian share a phone plan. Each month they can use a combined total of up
to 8 GB of data. So far this month, Samir has used 4.23 GB and Jillian has used 2.89 GB.
They want to know whether they still have data left to use.
.) Find the
sum
of Samir's and Jillian's data.
Compare that amount to
8
GB.
) An exact calculation is not necessary to solve the problem.
You can approximate the sum by rounding the addends.
• Round each person's data to the nearest gigabyte.
Samir:
GB
Jillian:
?
GB
7
8
9
4
5
6

In a regression analysis, the error term ε is a random variable with a mean or expected value of zero. The correct option is a.

The average of a group of variables is referred to as the mean in mathematics and statistics. There are several methods for calculating the mean, including simple arithmetic means (adding the numbers together and dividing the result by the number of observations), geometric means, and harmonic means.

Given:

Analysis is a regression analysis.

And the error term in regression analysis:

The error term, which refers to the total of the deviations within the regression line and explains the discrepancy between the theoretical value of the model and the actual observed results, denotes the margin of error inside a statistical model.

ε = Epsilon or error term.

The variation in the dependent variable that the independent factors do not explain is taken into account by the error term.

The values of the error term should be determined by random chance.

The average value of the error term must be equal to zero in order for your model to be impartial.

Therefore, error term is zero.

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Answer:

jawbhvgh

Step-by-step explanation:

QJAWNDBSVX

Answer:

6 quarters and 6 dimes

Step-by-step explanation:

since there is 6 quarters it would be 6x$.25 which is $1.50, and each dime is worth 10 cents so 6x$.10 is $.60, and $1.50+$.60=$2.10

Answer:

Algebra and geometry

is this what you were looking for?

Answer:

Union

Step-by-step explanation:

None of the terms in each inequality intersect.

so its not intersection

Its two inequalities put together so its union

Answer:

for a rectangle to be called a square with 4 sides must be equal

for rectangle to be called a square its four angles must be equal.

Answer:

all parallel sides are the same lengths

all angles are 90°

Step-by-step explanation:

We know that the square has the definition of an object or plane that has all the four sides of equal length,

And all the angles related to the sides are also same. (all angles are 90°)

Whereas, a rectangle gets defined as the plane figure with four straight sides and the same number of right angles where the two parallel sides become of equal length.

The derivative value of dy for the given values of x and dx. y = x 1 x − 1 , x = 2, dx = 0.05 is -0.05.

The given function is y = x/(x-1). We need to find dy when x = 2 and dx = 0.05.

First, we find the derivative of the function with respect to x using the quotient rule:

y' = [(x-1)(1) - x(1)] / (x-1)²

= -1 / (x-1)²

Next, we substitute x = 2 into the derivative expression to get the slope of the tangent line at x = 2:

y' = -1 / (2-1)² = -1

This means that for every 1 unit increase in x, y decreases by 1 unit. So when dx = 0.05, the change in y is:

dy = y' × dx = (-1) × 0.05 = -0.05

Therefore, when x = 2 and dx = 0.05, the value of dy is -0.05. The main mathematics topic used here is calculus, specifically the quotient rule and finding the derivative.

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The derivative value of dy for the given values of x and dx. y = x 1 x − 1 , x = 2, dx = 0.05 is -0.05.

The given function is y = x/(x-1). We need to find dy when x = 2 and dx = 0.05.

First, we find the derivative of the function with respect to x using the quotient rule:

y' = [(x-1)(1) - x(1)] / (x-1)²

= -1 / (x-1)²

Next, we substitute x = 2 into the derivative expression to get the slope of the tangent line at x = 2:

y' = -1 / (2-1)² = -1

This means that for every 1 unit increase in x, y decreases by 1 unit. So when dx = 0.05, the change in y is:

dy = y' × dx = (-1) × 0.05 = -0.05

Therefore, when x = 2 and dx = 0.05, the value of dy is -0.05. The main mathematics topic used here is calculus, specifically the quotient rule and finding the derivative.

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Answer:

D

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

Answer:

7 miles

Step-by-step explanation:

Let x be the number  of hours he rides away from home at 28 mph.

Then, since the speed of the automobile is 7 times his walking speed, the number of hours he spends walking is 7x.

Then, the total time, which is 2 hours, is equal to x plus 7x, or 8x.

8x=2-->x=1/4

So the amount of time he spends in the automobile is x=1/4 hour.

The distance he travels in 1/4 hour at 28 mph is 7 miles.

Avg speed of the round trip= 2*28*4/(28+4)= 7 mi/hr

RT=7*2=14 miles

--> 7 miles each way.

The required coordinates of A' are (0, 0).

A translation is a geometric transformation in Euclidean geometry that moves every point of a figure, shape, or space the same distance in a particular direction. The addition of a constant vector to each point or the shifting of the coordinate system's origin are both examples of translations.

To translate a point right 5 units and down 2 units, we add 5 to the x-coordinate and subtract 2 from the y-coordinate.

For point A, the x-coordinate is -5 and the y-coordinate is 2, so:

x-coordinate of A' = -5 + 5 = 0

y-coordinate of A' = 2 - 2 = 0

Therefore, the coordinates of A' are (0, 0).

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Angle QPS=110°

x =180°-110° =70°(sum of Opposite Angles of cyclic quadrilateral=180°)

y = 180°- 70° =110° ( Angles on a straight line)

The system of equations can be used to find the roots of the considered  equation is y = 4+x^2 and y= x^3 + 2 + x

We do same operations on both the sides so that equality of both expressions doesn't get disturbed. Solving equations generally means finding the values of the variables used in it for which the considered equation is true.

Sometimes we can find such value, and sometimes it is not possible at all, or sometimes, there are infinite number of solutions.

For the given case, we are given with the equation \(4+x^2 = x^3 + 2 + x\)

We can take two equations as:

\(y = 4+x^2 \\y= x^3 + 2 + x\)

And when we will try to solve this system of equation, we will end up substituting the value of y in terms of x, and therefore, ending up on the same equation \(4+x^2 = x^3 + 2 + x\)

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Answer:

D

y=4x^2

y=x^3+2x

Step-by-step explanation:

im trying to pass just like yall, Good luck to all

Answer:

Step-by-step explanation:

Given :

l + m + n = 9

l²+ m² + n²= 31

l + m + n = 9

On squaring both sides

(l + m + n)²= 9²

(l²+m²+n²+2(lm+mn+nl) = 81

31 +2(lm+mn+nl) = 81

2(lm+mn+nl) = 81 - 31

2(lm+mn+nl) = 50

(lm+mn+nl) = 50/2

(lm+mn+nl) = 25

Hence, the value of (lm+mn+nl) = 25

Answer:

YOU GOT GOOGLE

Step-by-step explanation:

GOOGLE!!

Answer:

\( \boxed{ \tt{x = 35\degree }}\)

Answer:

X ≥ 3

Step-by-step explanation:

Let the number of grapes you'll buy be X, you need to buy at leaF 3 pounds so:

X ≥ 3

Answered by Gauthmath

There are a total of 112 elements shown in the Venn diagram is false statement.

Venn diagrams are used to represent sets, their connections, and set-related actions graphically. The Venn diagram uses circles to represent the relationships between sets and the region that they overlap. A Venn diagram is used in mathematics to represent the logical relationship between sets and their constituent members and aids in the solution of instances based on these sets. A Venn diagram is a type of diagram designed to show every relationship between various sets. Venn diagrams are used in mathematics to show the connection between two or more sets. This approach of articulating sets or specific situations aids in a better comprehension of the problem and makes it easier to draw conclusions. As a result, we frequently utilize circles to illustrate the connections between objects or limited groupings of objects.

Given

Two sets --m and n-- are shown in the Venn diagram

Following statement is false,

c.) there are a total of 112 elements shown in the Venn diagram.

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Answer:

C

Step-by-step explanation:

The residual plot give you the most detailed graphical appropriatness

A plot or graph shows the relationship between related variables.

The best graphic to use is the residual plot.

The best graph to plot a linear regression is the scatter plot, because it shows a clear relationship between the variables that are being compared.

From the list of given options, we can say that the residual plot is the best plot to use by the consultant.

This is because, the residual plot is a form of scatter plot that shows the difference between the observed value and the actual value.

In this case, the observed value would be the number of units sold, while the actual value would be the expected number of units to be sold.

Hence, option (c) answers the question.

See attachment for an illustration of the residual plot

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Answer:

B

Step-by-step explanation:

B.B.B.B.B.B.BB.B.B.B.B.B.B.B.B

Answer:

The equation is 20 + 15x. Bill took 7 lessons.

Step-by-step explanation:

Let x represent the number of lessons Bill take. Then,

the total cost = materials fee + (each lesson cost).x

Since the materials fee is $20 and each lesson costs $15

The total cost = 20 + 15x

Since Bill's total cost was $125:

→ 125 = 20 + 15x

→ 105 = 15x

→ x = 7

Answer:

5:4, 5 to 4

Explanation:

Given the ratio 5/4, we can also write it in the forms below:

The stretch of an exponential decay function is y = 2(1/5)ˣ

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

The list of exponential functions

An exponential function is represented as

y = abˣ

Where

In this case, the exponential function is a decay function

This means that

The value of b is less than 1

An example of this is, from the list of option is

y = 2(1/5)ˣ

Hence, the exponential decay function is y = 2(1/5)ˣ

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Complete question

Which is a stretch of an exponential decay function?

Of(x) = -(5)ˣ

Of(x) = 5(2)ˣ

O fix) = 2(1/5)ˣ

Answer:

k is 10

Step-by-step explanation:

Answer:

Use the given functions to set up and simplify

[

3

,

4

]

Step-by-step explanation:

The length of the diameter is 18 meters

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

SA = 1017.36

The shape is a sphere

So, we have

SA = 4πr²

Substitute the known values in the above equation, so, we have the following representation

4πr² = 1017.36

So, we have

r² = 80.96

Take the square root

r = 9

Multiply by 2

d = 18

Hence, the diameter is 18 meters

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Answer:

B,C,E

Step-by-step explanation:

I got it right on edugenity

The solution to the inequality g > 0.50 is all numbers to the right of 0.50, excluding 0.50 itself.

If the equation or inequality contains variable terms, then there might be some values of those variables for which that equation or inequality might be true. Such values are called solution to that equation or inequality. Set of such values is called solution set to the considered equation or inequality.

We are given that;

Function g > 0.50

Now,

To graph the inequality g > 0.50, we start by drawing a number line from negative 2 to positive 2.

Next, we need to indicate the solution region on the number line. The inequality g > 0.50 means that g is greater than 0.50 but not equal to 0.50. So, we draw an open circle at 0.50 to indicate that it is not included in the solution region. Then, we shade all numbers to the right of 0.50, since they are greater than 0.50.

To check the solution, we can substitute any number greater than 0.50 into the inequality and check that it is true. For example, if we substitute 1 into the inequality, we get:

1 > 0.50

This is true, so 1 is in the solution region.

If we substitute -1 into the inequality, we get:

-1 > 0.50

This is false, so -1 is not in the solution region.

Therefore, the answer of the given inequality will be all numbers to the right of 0.50, excluding 0.50 itself.

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2.85 as a mixed number would be \(2\frac{85}{100}\)

next, simpifly 85/100, by dividing by 5

85/5 = 17

10/5 = 20

The answer is \(2 \frac{17}{20}\)

I hope this helps, have a great day! <33

The acute angle that the ladder makes with the ground is 70.94°.

To work out the size of the acute angle that the ladder makes with the ground, we need to use trigonometry. Let's call the angle we're trying to find "theta" (θ). We know that the ladder is the hypotenuse of a right-angled triangle, with the wall being one side and the ground being the other. Using the Pythagorean theorem, we can work out the length of the ladder's side of the triangle:
a² + b² = c²
where a = 1.8m (the distance from the wall to the base of the ladder), b =? (the distance from the base of the ladder to the ground), and c = 5.1m (the length of the ladder).
Rearranging this formula, we get:
b² = c² - a²
b² = (5.1)² - (1.8)²
b² = 24.21
b = √24.21
b = 4.92m (to 2 decimal places)
Now that we know the lengths of the sides of the triangle, we can use trigonometry to find the angle θ. Specifically, we can use the tangent function:
tan(θ) = opposite/adjacent
where opposite = b (the distance from the base of the ladder to the ground) and adjacent = a (the distance from the wall to the base of the ladder).
tan(θ) = 4.92/1.8
tan(θ) = 2.7333 (to 4 decimal places)
Now we need to find the inverse tangent (or arctan) of this value to get the angle θ:
θ = arctan(2.7333)
θ = 70.94° (to 1 decimal place)
Therefore, the acute angle that the ladder makes with the ground is 70.94°.

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