Which graph represents this equation? A. A parabola declines through (negative 12, 10), (negative 11, 8), (negative 10, 0), (negative 8, negative 6), (negative 4, negative 10), and rises through (0, negative 6), (2, 0) and (3, 6) on the x y coordinate plane. B. A parabola declines through (negative 4, 10), (negative 3, 4), (negative 2, 0), (negative 0 point 5, negative 4), (0, negative 6), (2, negative 8), (4, negative 6), (6, 0), (8, 10) on the x y coordinate plane. C. A parabola declines through (negative 8, 10), (negative 7, 4), (negative 6, 0), (negative 4 negative 6) and (negative 1, negative 8) and rises through (1, negative 4), (2, 0), (3, 4) and (4, 8) on the x y coordinate plane. D.

Answer:

n= 26.5

Step-by-step explanation:

Comment

You need some sort of formula for this question. But you more or less have to invent it.

Formula

Temperature midnight = noon - temperature drop

Givens

temperature drop = 28.4

temperature midnight = -1.9

Temperature noon = x

Solution

-1.9 = x - 28.4                       Add 28.4 to both sides

-1.9 + 28.4 = x-28.4+28.4    Combine

Answer

26.5 = x

Answer:

Step-by-step explanation:

Solving systems of equations gives the points of intersection when the equations are graphed.

The answer is 3.

Answer:

5305.1647 times

Step-by-step explanation:

The Circumference of a circle : πd

d = diameter of circle = 30 cm

Circumference of wheel = π * 30cm = 94.247779 cm

1km to cm

1km = 100000cm

5 km = 500000 cm

Hence, number of times wheel rotate on a 5km journey :

500000 cm / 94.247779 cm

= 5305.1647 times

The velocity, vms-1 has a numerical value of 30 m/s from the information provided in the question.

Now we have to use the formula;

v = u + at

Where;

v = final velocity

u = initial velocity

a = acceleration

t = time taken

Given that;

v = ?

u =  20 ms-1

t = 4 s

a = 2.5ms-2

If we substitute the values;

v =  20 ms-1 + (2.5ms-2 × 4 s)

v = 30 m/s

Learn more about velocity: https://brainly.com/question/862972

The constant velocity (V) of the car as it decelerates to rest is 2.222 m/s.

Given the following data:

To determine the constant velocity (V) of the car:

First of all, we would calculate the distance traveled by the car within the first 4 seconds of its motion by using the second equation of motion;

\(S = ut + \frac{1}{2} at^2\\\\S=20(4)+\frac{1}{2} \times 2.5 \times 4^2\\\\S=80+20\)

S = 100 meters.

Next, we would calculate the distance traveled after the first 4 seconds of its motion by using the third equation of motion;

Note: Final velocity is equal to zero since the car decelerated to rest.

\(V^2 =u^2 -2aS\\\\0^2 =20^2-2(2.5)S\\\\5S=400\\\\S=\frac{400}{5}\)

S = 80 meters.

Now, we can find the constant velocity (V) of the car:

Time = \(40-4=\) 36 seconds.

\(Velocity = \frac{distance }{time} \\\\Velocity = \frac{80 }{36}\)

Velocity = 2.222 m/s

Read more on velocity here: https://brainly.com/question/10545161

The estimated current total cost for the installed and insulated tank is $12,065.73.

The first step is to calculate the surface area of the tank. The surface area of a cylinder is calculated as follows:

surface_area = 2 * pi * r * h + 2 * pi * r^2

where:

r is the radius of the cylinder

h is the height of the cylinder

In this case, the radius of the cylinder is 1 meter (half of the diameter) and the height of the cylinder is 1 meter. So the surface area of the tank is:

surface_area = 2 * pi * 1 * 1 + 2 * pi * 1^2 = 6.283185307179586

The insulation will add a thickness of 0.05 meters to the surface area of the tank, so the total surface area of the insulated tank is:

surface_area = 6.283185307179586 + 2 * pi * 1 * 0.05 = 6.806032934459293

The cost of the insulation is $40 per square meter and the cost of labor is $95 per square meter, so the total cost of the insulation and labor is:

cost = 6.806032934459293 * (40 + 95) = $1,165.73

The original cost of the tank was $10,900, so the total cost of the insulated tank is:

cost = 10900 + 1165.73 = $12,065.73

Therefore, the estimated current total cost for the installed and insulated tank is $12,065.73.

Learn more about cylinder current total cost https://brainly.com/question/25109150

#SPJ11

Answer:

1,728

Step-by-step explanation:

Note that if a tomato has a mass of 100 grams and the mass of the ant is 4.0x10⁻³gram, then the mass of the tomato is 25,000 times greater than the mass of the ant.

The expression for finding the extent to which the Mass of the tomato is greater than that of the ant is given as follows:

100/4.0x10⁻³

= [100 x 10³] / 4.0x10⁻³ x 10³

= 100,000/4

= 25,000

Therefore, the tomato is 25,000 times the mass of the ant.

Learn more about mass;
https://brainly.com/question/19694949
#SPJ1

Answer:yes 2.5* 10-2

Step-by-step explanation:

Answer:

7. Jamal and Steve finished the same amount of homework

8. 8/12 and 4/6

Hope this helps =]

Answer:

x=50

Step-by-step explanation:

for x = 50, the equation 2x + 50 = 3x holds true

What is an equation?

An equation is a statement indicating that the values of two mathematical expressions are equal (indicated by the sign =). For example -

2x + 3 = 5

ax + c = 9

Given is the following equation to solve -

2x + 50 = 3x

We have -

2x + 50 = 3x

On solving for [x], we can write -

3x - 2x = 50

x = 50

Therefore, for x = 50, the equation 2x + 50 = 3x holds true.

To solve more questions on equations, visit the link below-

brainly.com/question/10933224

#SPJ2

Answer:c

Step-by-step explanation:

Answer:

C) Pentagon

Step-by-step explanation:

Answer:Angle x is congruent with the interior angle opposite side 8 (alternate interior angles)

Use tangent:

tan x = 8/15

x = arctan (8/15)

x = 28.1° (rounded)

Step-by-step explanation:

Answer:

It won't because the area is length times height. So 11 x 11. So some of the car will be hanging out of the garage.

Step-by-step explanation:

Distance is increasing with a speed of 0.2 Miles/Min

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

Time in Minutes      Distance in Miles

0                              0.0

2                              0.4

4                              0.8

6                              1.2

8                              1.6

Here, Myra’s distance is increasing as time increase with a constant Speed.

Now, In every 2 mins distance traveled = 0.4 Miles

Hence, In every 1 min Distance traveled = 0.4/2 = 0.2 Miles/Min

Thus, Distance is increasing with a speed of 0.2 Miles/Min.

Learn more about the mathematical expression visit:

brainly.com/question/1859113

#SPJ1

To develop a plot of the residuals against the independent variable x, you would first calculate the residuals by subtracting the predicted values from the actual values of the dependent variable.

Then, you would plot the residuals on the y-axis and the independent variable x on the x-axis.
If the plot suggests a generally horizontal band of residual points, this indicates that the error term assumptions are not satisfied. This is because a horizontal band suggests that the variance of the residuals is constant across all values of x, which violates the assumption of homoscedasticity (equal variance of the error terms).
If the plot suggests curvature in the residuals, this also indicates that the error term assumptions are not satisfied. This is because curvature suggests that the variance of the residuals changes across different values of x, violating the assumption of homoscedasticity.
If the plot suggests a funnel pattern in the residuals, this also indicates that the error term assumptions are not satisfied. This is because a funnel pattern suggests that the variance of the residuals increases or decreases as the values of x increase, violating the assumption of homoscedasticity.
However, if the plot suggests a generally horizontal band of residual points and there is no curvature or funnel pattern, this indicates that the error term assumptions are satisfied. It is important to assess the plot of residuals against the independent variable x to ensure that the error term assumptions are met and the results of the analysis are valid.

To develop a plot of the residuals against the independent variable x and evaluate whether the error term assumptions are satisfied, follow these steps:
1. Collect the data for the independent variable x and the corresponding residuals.
2. Create a scatter plot with the independent variable x on the x-axis and the residuals on the y-axis.
3. Analyze the plot to identify any patterns or trends.
Based on your provided descriptions, the following conclusions can be drawn:
a) If the plot suggests a generally horizontal band of residual points, this indicates that the error term assumptions are satisfied, as it shows that the errors are randomly distributed and have constant variance.
b) If the plot suggests curvature in the residuals or a funnel pattern, this indicates that the error term assumptions are not satisfied. These patterns may suggest nonlinearity, heteroskedasticity, or other issues with the underlying model, which violate the assumptions of constant variance and independence of errors.

Visit here to learn more about homoscedasticity:

brainly.com/question/31433278

#SPJ11

Answer:

D.

Step-by-step explanation:

Answer: B.

\(12x^{2}\) \(-8xy + 12x + y^2 - 2y\)

Step-by-step explanation:

i just took the assignment

A probability that can be deducted through logical reasoning before an experiment is performed is Theoretical probability.

Theoretical probability is based on what is expected to happen, or a theory, using reasoning. It is based on knowledge and mathematics. An experiment is not conducted to find theoretical probability.

The formula to calculate the theoretical probability of event A happening is:

P(A) = number of desired outcomes / total number of possible outcomes

For example, the theoretical probability that a dice lands on “2” after one roll can be calculated as:

P(land on 2) = (only one way the dice can land on 2) / (six possible sides the dice can land on) = 1/6

Thus, A probability that can be deducted through logical reasoning before an experiment is performed is Theoretical probability.

Learn more about Theoretical probability with this given link.

https://brainly.com/question/31487488

The maximal subsets of Si that don't entail p are {-r}, {s}, and {-r, s}.

To determine the maximal subsets of Si that don't entail p, we need to check each subset of Si and see if it satisfies the three conditions given.

Let's analyze each subset of Si and check if it satisfies the conditions:

Subset 1: {-r}

This subset satisfies all the conditions since it is a subset of Si, does not contain p, and for any other subset Y that contains this subset, Y does not entail p. Therefore, {-r} is a maximal subset that doesn't entail p.

Subset 2: {s}

This subset satisfies all the conditions since it is a subset of Si, does not contain p, and for any other subset Y that contains this subset, Y does not entail p. Therefore, {s} is a maximal subset that doesn't entail p.

Subset 3: {-r, s}

This subset satisfies all the conditions since it is a subset of Si, does not contain p, and for any other subset Y that contains this subset, Y does not entail p. Therefore, {-r, s} is a maximal subset that doesn't entail p.

Subset 4: {-r, ((-- Vq) + p)}

This subset satisfies condition 1 and 2, but it does not satisfy condition 3. If we consider the subset {((-- Vq) + p)}, it contains Subset 4, but it does entail p. Therefore, Subset 4 is not a maximal subset that doesn't entail p.

Subset 5: {-r, q}

This subset satisfies condition 1 and 2, but it does not satisfy condition 3. If we consider the subset {q}, it contains Subset 5, but it does entail p. Therefore, Subset 5 is not a maximal subset that doesn't entail p.

Subset 6: {s, ((-- Vq) + p)}

This subset satisfies condition 1 and 2, but it does not satisfy condition 3. If we consider the subset {((-- Vq) + p)}, it contains Subset 6, but it does entail p. Therefore, Subset 6 is not a maximal subset that doesn't entail p.

Therefore, the maximal subsets of Si that don't entail p are {-r}, {s}, and {-r, s}.

Learn more about set theory at https://brainly.com/question/13458417

#SPj4

Answer:

-10,-6,-4,3,7

Step-by-step explanation:

This is because -10 is less than -6,-6 is less than -4,-4 is less than 3 and followed by 7 and vice versa for descending other

Answer:

Step by step in image below. Hope this helps

Step-by-step explanation:

The improper integral \(\int_{0}^{2} x^{2} \ln x d x\) is convergent.

The given integral is as follows:

\($$\int_{0}^{2} x^{2}\ln x dx$$\)

In order to determine whether the improper integral is convergent or divergent, we use integration by parts and calculate the following:

\($$\int_{0}^{2} x^{2}\ln x dx = \lim_{t \rightarrow 0} \int_{t}^{2} x^{2} \ln x dx$$\\$$= \lim_{t \rightarrow 0} \Biggl(\left[x^{2}\cdot\frac{\ln x}{3}\right]_{t}^{2/3}-\frac{2}{3}\int_{t}^{2/3}x\ln x dx\Biggr)+\int_{2/3}^{2} x^{2} \ln x dx$$\\$$= \lim_{t \rightarrow 0} \Biggl(\frac{4}{9}(\ln2-2\ln3)-\frac{2}{3}\int_{t}^{2/3}x\ln x dx\Biggr)+\int_{2/3}^{2} x^{2} \ln x dx$$\)

Now, we have to determine the value of $$\int_{0}^{2/3} x\ln x dx$$

We use integration by parts here as well:

\($$\int_{0}^{2/3} x\ln x dx = \left[\frac{x^{2}}{2}\ln x \right]_{0}^{2/3} - \int_{0}^{2/3} \frac{x}{2} dx$$\\$$=-\frac{1}{4}\cdot\frac{8}{27}\\=-\frac{1}{27}$$\)

Putting this value back into the initial integral equation, we get:

\($$\int_{0}^{2} x^{2}\ln x dx = \frac{4}{9}(\ln2-2\ln3)-\frac{2}{3}\cdot\frac{-1}{27}+\int_{2/3}^{2} x^{2} \ln x dx$$\\$$= \frac{4}{9}(\ln2-2\ln3)+\frac{2}{81}+\int_{2/3}^{2} x^{2} \ln x dx$$\)

Since the integral on the right side of the equation is finite, the improper integral is convergent.

Answer: Therefore, the improper integral\(\(\int_{0}^{2} x^{2} \ln x d x\)\) is convergent.

To know more about integration by parts, visit:

https://brainly.com/question/22747210

#SPJ11

The integral is convergent. Thus, the value of the improper integral is:\[\int_{0}^{2} x^2\ln x \; dx = \frac{8}{3}\ln 2 - \frac{8}{27}\]

The given integral is given below:

\(\[\int_{0}^{2}x^2\ln x \; dx\]\)

To determine whether the integral is convergent or divergent, we need to apply integration by parts, where:

\(\[u=\ln x\] \[dv=x^2 \; dx\]\[du = \frac{1}{x} \; dx\] \[v = \frac{1}{3} x^3\]\)

By applying the formula of integration by parts, we get:

\(\[\int_{0}^{2} x^2\ln x \; dx = \frac{1}{3} \left[x^3 \ln x\right]_0^2-\frac{1}{3}\int_{0}^{2}x^3\frac{1}{x} \; dx\]\[= \frac{1}{3}\left[2^3 \ln 2\right] - \frac{1}{3} \int_{0}^{2} x^2 \; dx\]\[= \frac{8}{3}\ln 2 - \frac{1}{3} \left[\frac{1}{3} x^3\right]_0^2\]\[= \frac{8}{3}\ln 2 - \frac{8}{27}\]\)

Now, let's determine whether the integral is convergent or divergent. As the integrand is continuous on the interval \([0,2]\), it is integrable on this interval.

To know more about integral, visit:

https://brainly.com/question/31433890

#SPJ11

Answer:

Step-by-step explanation:

Given ratio of boys and girls in the class =7:5

No of boys is 8more than the girls

So

Let no of boys in the class =7x

No of girls in the class=5x

7x=5x+8

2x=8

X=8/2

X=4.

Total strength =no of boys + no of girls

=7x+5x

=7×4+5×4

= 28+20

=48.

Total strength in the class is 48.

Answer:

Total class strength = 48

Step-by-step explanation:

Boys : Girls = 7 : 5

Number of boys  = 7x

Number of girls = 5x

7x - 5x = 8

      2x = 8      

       x = 8/2

       x = 4

Total strength = 7x + 5x = 12x = 12*4  = 48

Answer:

p = 4

q = 6

s = 5

t = 4

a = 6

b = 7

m = 5

n = 6

The surface area is multiplied by a factor of 16

The dimensions are given as:

The factor of the surface area is calculated as:

Surface area = Factor^2

So, we have:

Surface area = 4^2

Evaluate

Surface area = 16

Hence, the surface area is multiplied by a factor of 16

Read more about scale factor at:

https://brainly.com/question/3457976

#SPJ1

16

Step-by-step explanation:

When a population is subjected to directional selection over time, the traits that are selected for will remain stable while the traits that are selected against will disappear.

Evolution is the study of how populations change over time. Most traits have multiple genes controlling their structure, function, appearance, and other characteristics. Single genes only very infrequently control a trait.

As a result, most traits have a tendency to be continuous in nature and to have a wide range of values. One side of these values will be picked against during directional selection, while the other side will be selected in favor of. Look at the illustration of a lemur's fur color below.

To learn more about population here:

https://brainly.com/question/24786731

#SPJ4

Answer:

$14.98

Step-by-step explanation: Literally just use a sales tax calculator...

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.

learn more about mean click here:

https://brainly.com/question/1136789

#SPJ11