8.9 x 3.8 Give me the answer please

Answer:

1/24

Step-by-step explanation:

multiply all the values

The values of x or the solution of the of provided polynomial equation are x=-2 and x=-8.

The factor of a polynomial is the terms in linear form, which are, when multiplied together, give the original polynomial equation as a result.

The given polynomial equation in standard form is,

\(x^2 +10x +16 = 0\)

Now factor the polynomial.

\(x^2 +10x +16 = 0\\(x 2)(x 8) = 0\)

Apply the zero product property and find out the factors as,

\(x +2 = 0, x +8 = 0\)

Solve the resulting equations by equating both the factors one by one to the zero and find the roots.

\(x +2 = 0\\x=-2\\\)

Similarly, for x+8=0,

\(x +8 = 0\\x=-8\)

Thus, the values of x or the roots of the equation are,

\(x = -2, x =-8\)

Hence, the values of x or the solution of the of provided polynomial equation are x=-2 and x=-8.

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Answer:

-2 and -8

Step-by-step explanation:

got my answer from the person above.

Answer:

Step-by-step explanation:

is this in college?

a) The Equation is  7.65x + 50 = 149.45.

b) The customer used the car for 13 hours.

c)  If the car used for 2 days i.e., 48 hours then the amount will be $471.12

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given that;

Members of a car sharing program pay a fee of $50 per month plus $7.65 for every hour they use a car.

And, a members bill was $149.45 last month.

a) Let number of hours for the customer use a car last month = x

So, 7.65x + 50 = 149.45

7.65x = 149.45 - 50

7.65x = 99.45

x = 13

b) The customer used the car for 13 hours.

c) If the car used for 2 days i.e., 48 hours

= 7.65x + 50

= 7.65(48)+ 50

= 471.2

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Given:

Two planks are each 1.5 m long.

One plank is 2.5m long.

To find:

The total length of all the three planks.

Solution:

Two planks are each 1.5 m long. So,

First plank = 1.5 m

Second plank = 1.5 m

One plank is 2.5m long. So,

Third plank = 2.5 m

Now, the total length of all the three planks is

\(\text{Total length}=\text{First plank + Second plank + Third plank}\)

\(\text{Total length}=1.5+1.5+2.5\)

\(\text{Total length}=5.5\)

Therefore, the total length of all the three planks is 5.5 m.

The least appropriate measure of central tendency for a data set that contains outliers is the mean. This is because the mean is calculated by taking the sum of all the values in the data set and dividing it by the number of values. This means that the mean is heavily influenced by outliers, as they are included in the calculation.

The median, 2nd quartile, and 50th percentile are all more appropriate measures of central tendency for a data set that contains outliers, as they are not affected by the presence of outliers. The median is calculated by taking the middle value of the data set, the 2nd quartile is calculated by taking the median of the upper half of the data set, and the 50th percentile is calculated by taking the value at the 50th percentile of the data set.

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If the best fit line is nearly horizontal, it suggests no significant relationship between height and head circumference.

In this scenario, the explanatory variable is the child's height, as it is being used to predict the head circumference.

The response variable is the head circumference itself, as it is the variable being predicted or explained by the height.

To draw a scatter diagram of the data, you would plot the child's height on the x-axis and the corresponding head circumference on the y-axis. Each data point would represent a child's measurement pair.

Once all the data points are plotted, you can then draw the best fit line, also known as the regression line, that represents the overall trend or relationship between height and head circumference.

By observing the scatter diagram and the best fit line, you can determine the relationship between a child's height and head circumference.

If the best fit line has a positive slope, it indicates a positive relationship, meaning that as height increases, head circumference tends to increase as well.

If the best fit line has a negative slope, it indicates a negative relationship, meaning that as height increases, head circumference tends to decrease.

By assessing the slope of the best fit line in the scatter diagram, you can determine whether the relationship between height and head circumference is positive, negative, or nonexistent.

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Step-by-step explanation:

Elevator's starting point = -90ft

Elevator's position after 15s = -20ft

The elevator did move upwards as

-20ft. > -90ft.

_________________________________

Distance covered by the elevator = -20 + -90

= -20 + 90

= 70ft.

Time = 15s

Speed = distance/time

= 70/15

= 4.7ft/s

Answer:its B

Step-by-step explanation:

To find the margin of error at a 95% confidence level, we first need to find the critical value of z. Using a z-table or calculator, we can find that the critical value of z for a 95% confidence level is 1.96.

Next, we can use the formula for margin of error:

Margin of error = Critical value of z * Standard error

The standard error is the standard deviation divided by the square root of the sample size:

Standard error = Standard deviation / Square root of sample size

Plugging in the values we have:

Standard error = 240 / √64 = 30

Margin of error = 1.96 * 30 = 58.8

Therefore, the margin of error at a 95% confidence level is 58.8. We can say with 95% confidence that the true average SAT score for all students applying for merit scholarships falls within a range of 1341.2 (1400 - 58.8) to 1458.8 (1400 + 58.8).

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When a right rectangular prism is sliced by a plane passing through five of the six faces of the prism, the resulting cross section is a pentagon.

A right rectangular prism has six rectangular faces, and when a plane passes through five of these faces, it cuts across them in a way that forms a pentagon. The shape of the resulting cross section will depend on the angle and orientation of the plane in relation to the prism, but it will always be a five-sided polygon.

It is important to note that the cross section resulting from the slicing of a right rectangular prism will have the same dimensions as the prism itself, with the exception of the depth, which will depend on the angle and orientation of the plane. This means that if the prism has dimensions of length, width, and height, the resulting cross section will have length and width equal to those of the prism, but a different depth.

Overall, the resulting cross section of a right rectangular prism that is sliced by a plane passing through five of its six faces will be a pentagon, with dimensions that are proportional to those of the original prism.

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Answer:

y=1/4x+1

Step-by-step explanation:

Goes zdown 3 and right 12 simplified to 1/4

Answer:

Your answer is: y = -1/4x + 1

Step-by-step explanation:

Hope this helped : )

The total surface area of the pyramid is 817 ft squared.

The surface area of the pyramid Jane is painting can be calculated as follows:

area of the pyramid = A + 1 / 2 ps

where

Therefore,

A = 19² = 361 ft²

p = 4(19) = 76 ft

s = 12 ft

Total surface area of the pyramid =  361 + 1 / 2 (76)(12)

Total surface area of the pyramid = 361 + 456

Total surface area of the pyramid = 817 ft²

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Answer:

Step-by-step explanation:

2^45

Answer:

1.

Step-by-step explanation:

Determining the monthly payment as $668.54, it seems that Jax cannot buy this car since he wants his monthly payment to be under $500.

The monthly payment is the periodic payment that must be made by Jax to settle the credit or car loan, including the finance charges.

The monthly payment can be determined using an online finance calculator.

N (# of periods) = 60 months (5 years x 12)

I/Y (Interest per year) = 5.5%

PV (Present Value) = $35,000

FV (Future Value) = $0

Results:

Monthly Payment (PMT) = $-668.54

The sum of all periodic payments = $-40,112.44

Total Interest = $5,112.44

Thus, Jax must pay $668.54 monthly to finance the car and cannot based on his budget.

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Answer:

A

Step-by-step explanation:

In this case, the equation that represents a nonlinear function is A.

Isolate y and see what the function is:

x(y-5)=2

y-5=2/x

y=2/x + 5 = (2+5x)/x

This is now a rational function. Unlike all the other choices, this is not linear.

When Alec is paid $200 each month to mow the grass and weed the garden, this is a linear function.

An equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement which is made up of two expressions that are connected by an equal sign.

Here, Alec is paid $200 each month to mow the grass and weed the garden. In addition, he earns $6.50 per hour for the number of hours he works as a dishwasher at the local diner. This will be:

= 200 + 6.5h

This is a linear function.

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Answer:

A. 6.96 cm²

Step-by-step explanation:

Area Triangle = \(\frac12(b*h)\)

Area Triangle :

 \(= \frac12(5.8 * 2.4)\\\\\\= \frac12(13.92)\\\\\\= 6.96\)

Your Answer is A. 6.96 cm²

-Chetan K

Answer:

2. tangent

Step-by-step explanation:

It can't be concentric because circle A is not inside of circle B.

It can't be congruent because circle B is smaller than circle A.

It can't be coplanar because the two circles do not intersect at one point.

Circle A is tangent to circle B because line CD intersects both circles at the outer side.

Answer:

The answer would be tangent

Step-by-step explanation:

\(y2= m(x2 - x1) + y1\)

Thus the third Option is the correct answer.

3. In the equation y = bx + a, the variable "b" represents the slope, and "a" represents the intercept.

4. The speed is considered the independent variable .

3. In a linear equation of the form y = mx + c (where m is the slope and c is the y-intercept), the equation y = bx + a is written in a slightly different format. The variable "b" is equivalent to the slope "m" in the traditional equation, and "a" represents the intercept. The slope (b) determines the rate at which the dependent variable (y) changes with respect to the independent variable (x), while the intercept (a) represents the value of y when x is zero.

4. Given speed and stopping distance, which is the dependent variable, which is the independent variable?

In the context of speed and stopping distance, the dependent variable would typically be the stopping distance, and the independent variable would be the speed.

The dependent variable is the one that is expected to change or be influenced by the independent variable. In this case, we assume that speed affects stopping distance. As the speed of a vehicle increases, it generally takes longer to bring the vehicle to a stop, resulting in a greater stopping distance. Therefore, stopping distance depends on the speed at which the vehicle is traveling.

Consequently, the speed is considered the independent variable since it can be controlled or varied, and we expect it to have an influence on the dependent variable, which is the stopping distance.

Alternate hypothesis:

The alternate hypothesis is formulated to suggest that there is an influence of one variable on another. In this scenario, the alternate hypothesis could be: "There will be a significant influence of speed on stopping distance."

By conducting an experiment or collecting data, one could test this hypothesis statistically to determine whether speed has a significant impact on stopping distance.

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To find the value of V*(s'), The Bellman equation relates the Q*(s, a) values to the state-value function V*(s) by taking the maximum Q-value over all possible actions. Given the Q*(s, a) values and the transition information:

V*(s') = max(Q*(s', a)) for all actions a

In this case, the Q* values for state s are:

Q*(s, \(a_{1}\)) = 10

Q*(s, \(a_{2}\)) = -1

Q*(s, \(a_3}\)) = 0

Q*(s, \(a_{4}\)) = 11

Since s' can be reached from s by taking action a1, we consider the Q* values for state s' and select the maximum value:

V*(s') = max(Q*(s', \(a_{1}\)), Q*(s', \(a_{2}\)), Q*(s', \(a_{3}\)), Q*(s',\(a_{4}\) )

Substituting the given Q* values for s', we have:

V*(s') = max(Q*(s', \(a_{1}\)), Q*(s', \(a_{2}\)), Q*(s', \(a_{3}\)), Q*(s', \(a_{4}\))

         = max(10, -1, 0, 11)

         = 11

Therefore, the value of V*(s') is 11.

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The triple integral evaluates the volume of the given tetrahedron, with limits of integration from 0 to 9 for x, 0 to 8 for y, and 0 to 2 for z.

To evaluate the triple integral over the solid tetrahedron with vertices (0, 0, 0), (9, 0, 0), (0, 8, 0), and (0, 0, 2), we need to set up the integral based on the given boundaries and the integrand function.

Let's define the integrand function as f(x, y, z) = 1, which means we are integrating a constant value of 1 over the tetrahedron, effectively calculating its volume.

The integral can be set up as follows:

∫∫∫V f(x, y, z) dV

where V represents the volume of the tetrahedron.

To determine the limits of integration, we consider the given vertices:

Vertex 1: (0, 0, 0)

Vertex 2: (9, 0, 0)

Vertex 3: (0, 8, 0)

Vertex 4: (0, 0, 2)

The limits for x, y, and z can be defined as follows:

For x:

Lower bound: 0

Upper bound: x = 9 (from the equation of the line connecting vertices 1 and 2: x = 9y/8)

For y:

Lower bound: 0

Upper bound: y = 8 (from the equation of the line connecting vertices 1 and 3: y = 8z/2)

For z:

Lower bound: 0

Upper bound: z = 2

Now we can set up the triple integral:

∫[0 to 9]∫[0 to 8]∫[0 to 2] 1 dz dy dx

Evaluating this integral will give us the volume of the tetrahedron.

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Yes, you can show significant differences using superscripts in an ANOVA (Analysis of Variance) single-factor test.

In an ANOVA test, superscripts are commonly used to indicate significant differences between the means of different groups or treatments.

Typically, letters or symbols are assigned as superscripts to denote which groups have significantly different means. These superscripts are usually presented adjacent to the mean values in tables or figures.

The specific superscripts assigned to the means depend on the statistical analysis software or convention being used. Each group or treatment with a different superscript is considered significantly different from groups with different superscripts. On the other hand, groups with the same superscript are not significantly different from each other.

By including superscripts, you can visually highlight and communicate the significant differences between groups or treatments in an ANOVA single-factor test, making it easier to interpret the results and identify which groups have statistically distinct means.

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Answer:

b=-7    or the y-intercept is -7

Step-by-step explanation:

-7= =3(0)+b

-7=b

The mean and standard deviation obtained from simulations may differ from the true mean

standard deviation of a negative binomial distribution with parameters $r=0.6$ and $p=10$. However, with a large number of simulations, the mean and standard deviation from the simulations should approach the true mean and standard deviation of the distribution.

In general, the mean of a negative binomial distribution with parameters $r$ and $p$ is $r \cdot (1-p)/p$, and the standard deviation is $\sqrt{r \cdot (1-p)/p^2}$.

These formulas can be used to calculate the true mean and standard deviation of a $nb(0.6,\ 10)$ distribution.

Comparing the simulated mean and standard deviation to the true values can help assess the accuracy of the simulation results.

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There might be 18 colored papers.

colored papers to white papers:

3:8

48 white papers

8x6 = 48

Then 3x6= 18

There might be 18 colored papers.

Ratios evaluate numbers, normally through dividing them. in case you are evaluating one facts factor (A) to another statistics factor (B), your formulation might be A/B. this indicates you are dividing data A by using information B. for example, if A is 5 and B is 10, your ratio will be 5/10.

In mathematics, a ratio indicates how many times one quantity incorporates some other. for instance, if there are 8 oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is 8 to 6. further, the ratio of lemons to oranges is 6:8 and the ratio of oranges to the full amount of fruit is 8:14.

Ratios can be absolutely simplified just like fractions. To simplify a ratio, divide all the numbers in the ratio through the same wide variety until they can not be divided anymore.

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