please please please guys help me with this,i will brainlist you if u amswer it correctly and this is math​

a) The slope of the main portion of the slide is of: 5/6 = 0.8333.

b) If the bottom of the slide was only 12 inches above the ground, then the slope would be of 1/3 = 0.3333.

The slope of an inclined object is obtained as the division of the height of the object by the length of the object.

From the text, the parameters for the slide are given as follows:

Then the slope of the slide is of:

Slope = 10/12 = 5/6 = 0.8333.

After the change in the bottom, the parameters would be of:

Then the new slope of the slide is given as follows:

Slope = 4/12 = 1/3 = 0.3333.

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Answer:

Step-by-step explanation:

Anytime something does a 180 rotation it just flips the sign

Example: (-4, -6) 180 rotation (4, 6)

So for yours, it would be (-1, -2) 180 rotation (1, 2)

If you are still confused don't hesitate to ask :)

A. The distribution is given as follows: X ~ N(14, 6).

B. The probability that a randomly selected person with a kidney stone will take longer than 21 days to pass it is given as follows: 0.121 = 12.1%.

C. The minimum value of the upper quartile is given as follows: 18.05 days.

We first must use the z-score formula, as follows:

\(Z = \frac{X - \mu}{\sigma}\)

In which:

The z-score represents how many standard deviations the measure X is above or below the mean of the distribution, and can be positive(above the mean) or negative(below the mean).

The z-score table is used to obtain the p-value of the z-score, and it represents the percentile of the measure represented by X in the distribution.

The mean and the standard deviation for this problem are given as follows:

\(\mu = 14, \sigma = 6\)

The probability of a time greater than 21 days is one subtracted by the p-value of Z when X = 21, hence:

Z = (21 - 14)/6

Z = 1.17

Z = 1.17 has a p-value of 0.879.

1 - 0.879 = 0.121.

The upper quartile is X when Z = 0.675, hence:

0.675 = (X - 14)/6

X - 14 = 6 x 0.675

X = 18.05.

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Answer:

a.

D=[-6,4)

R=(-3,4]

b.

D=[-6,7)

R=[-1,6)

Step-by-step explanation:

[,] <-- used for when the point is included in the answer (closed circle or greater than/less than or equal to sign)

(,) <-- used for when the answer does not include point (open circle or greater than/less than sign   not equal to)

Plug in the points where shown on each line.

Hey again! Just answered your last domain and range question so I hope I helped again!

Answer: 78.09

Step-by-step explanation:

Seventy-eight is the whole number, so it goes to the left of the decimal point 78.09

Nine-hundredths is decimal, it goes two places to the right of the decimal point because it's hundredths 78.09

Statement is true because the corresponding sides are congruent. The answer is: BA = LN.

What is Triangle?

A triangle is a closed, two-dimensional shape with three straight sides and three angles. It is one of the basic shapes in geometry and is used in many areas of mathematics, science, and engineering.

Since triangle ABC and triangle LMN have congruent corresponding sides, we know that they are similar triangles. This means that their corresponding angles are also congruent.

We are given that angle BAC is 58 degrees and angle MLN is 78 degrees. Since corresponding angles are congruent, this means that angle BAC is congruent to angle MLN.

Therefore, triangle ABC and triangle LMN are similar triangles with two pairs of corresponding congruent angles. This means that all corresponding sides are proportional.

Since AC = LN and BA = ML, we know that the ratio of the lengths of corresponding sides is:

AC / LN = BA / ML

Substituting the given values, we get:

1 = 1

This statement is true because the corresponding sides are congruent.

Therefore, the answer is: BA = LN.

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Answer:

first you need to set up the equation which is 20+2x=44 then isolate 2x by doing the inverse operation for 20 which is -20 and add them to both sides which would now give you 2x=24 so divde 24 by 2 which is 12, x=12 answer 12ml

Step-by-step explanation:

For the scenario where the null and alternative hypotheses are: H_0: mu = 5.5, H_a: mu > 5.5, the p-value will be lower one-sided.

This is because the alternative hypothesis is one-tailed, indicating that we are only interested in whether the mean is greater than 5.5, rather than whether it is simply different from 5.5. For the scenario where the null and alternative hypotheses are: H_0: mu_d = 0, H_a: mu_d ≠ 0, the p-value will be two-sided. This is because the alternative hypothesis is two-tailed, indicating that we are interested in whether the mean difference is different from zero in either direction.

For the scenario where the null and alternative hypotheses are: H_0: p = 4, H_a: p, it is not clear what the alternative hypothesis is, as it is not specified. If the alternative hypothesis were one-tailed, the p-value would be either lower one-sided or upper one-sided, depending on the direction of the alternative hypothesis. If the alternative hypothesis were two-tailed, the p-value would be two-sided.

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Using the Fundamental Counting Theorem, it is found that there are 60 possible 3-course meals.

Given,

In the question:

A restaurant offers a choice of 4 salads, 5 main courses, and 3 desserts.

To find the how many possible 3-course meals are there?

Now, According to the question:

Let's know:

What is the Fundamental Counting Theorem?

It is a theorem that states that if there are n things, each with  ways to be done, each thing independent of the other, the number of ways they can be done is:

\(N=n_1\) × \(n_2\) × \(n_3\)... ×\(n_n\)

In this problem, considering the number of salads, main courses and desserts, we have that:

\(n_1=4 , n_2=5,n_3=3\)

The total number of options is given by:

N = 4 × 5 × 3

N = 60

Hence, Using the Fundamental Counting Theorem, it is found that there are 60 possible 3-course meals.

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That's  0.20833 of one day./

(5/24 of a day)

Answer:

see below

Step-by-step explanation:

First we need to find the radius

r =d/2 = 15.8/2 = 7.9 cm

The area of a circle is given by

A = pi r^2

   = pi ( 7.9) ^2

   =62.41 pi

Using 3.14 for pi

195.9674  

To the nearest hundredth

195.97

Using the pi button

196.0667975

To the nearest hundredth

196.07

The total possible combination of ordered pairs from the element of the given set is 9

To find the ordered pairs of the equation, we simply have to find the total possible combinations from the element of the set.

The element of set given is x ∈ {-1, 0, 1}

The possible combinations of x ∈ {-1, 0, 1} are;

(-1, -1)

(-1, 0)

(0, -1)

(1, 1)

(-1, 1)

(1, -1)

(0, 1)

(1, 0)

(0, 0)

We have 9 possible ordered pairs

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The maximal number of intersection points outside the circle that can be created by connecting the 7 dots on the circle with lines is 21.

To calculate this, we use the formula for the maximum number of intersection points formed by connecting n points with lines:

Max intersection points = n * (n - 1) / 2

In this case, n = 7, as there are 7 dots on the circle. Plugging in this value into the formula:

Max intersection points = 7 * (7 - 1) / 2

Max intersection points = 7 * 6 / 2

Max intersection points = 42 / 2

Max intersection points = 21

Therefore, the maximal number of intersection points outside the circle formed by connecting the 7 dots on the circle with lines is 21.

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The null and alternative hypotheses for this test are:

Null hypothesis: H₀: p = 0.20

Alternative hypothesis: H₁: p ≠ 0.20

The test statistic for this hypothesis test is not provided in the given information.

The P-value for this hypothesis test is not provided in the given information.

The conclusion for this hypothesis test cannot be determined without the test statistic or the P-value.

We have,

The null hypothesis (H₀) represents the assumption that there is no significant difference or effect.

The alternative hypothesis (H₁) represents the claim or hypothesis we are trying to find evidence for.

In this case, the null hypothesis is that the proportion (p) is equal to 0.20.

This means we assume there is no significant difference from the claimed value of 0.20.

The alternative hypothesis is that the proportion (p) is not equal to 0.20. This means we are looking for evidence that suggests the proportion is different from the claimed value.

The test statistic is a value calculated from the sample data that helps us make a decision about the null hypothesis.

It provides a measure of how far the sample result is from the expected value under the null hypothesis. The specific test statistic for this hypothesis test is not given in the information provided.

The P-value is a probability associated with the test statistic.

It represents the likelihood of observing a test statistic as extreme as the one calculated, assuming the null hypothesis is true.

It helps us determine the strength of the evidence against the null hypothesis.

The specific P-value for this hypothesis test is not given in the information provided.

Without the test statistic or the P-value, we cannot draw a conclusion about the hypothesis test.

We would need this additional information to make a decision and determine if there is evidence to support the alternative hypothesis or if we fail to reject the null hypothesis.

Thus,

The null and alternative hypotheses for this test are:

Null hypothesis: H₀: p = 0.20

Alternative hypothesis: H₁: p ≠ 0.20

The test statistic for this hypothesis test is not provided in the given information.

The P-value for this hypothesis test is not provided in the given information.

The conclusion for this hypothesis test cannot be determined without the test statistic or the P-value.

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Answer:

f(g(x)) =

\( {x}^{6} + 6 {x}^{4} + 8x^{2} + 2\)

Step-by-step explanation:

put g(x) instead of any x in f(x)

\( {(x ^{2} + 2) }^{3} - 4( {x}^{2} + 2) + 2\)

The outbound flight lasts approximately 2.5 hours, while the return flight lasts approximately 2.3 hours.

Let's assume the duration of the outbound flight as 'x' hours.

Given:

Average speed of the outbound flight = 460 mph

Average speed of the return flight = 500 mph

Total flying time (including both flights) = 4 hours and 48 minutes

To convert 4 hours and 48 minutes to hours:

4 hours + 48 minutes/60 = 4.8 hours

Now, we can calculate the duration of the return flight:

Total flying time = Duration of outbound flight + Duration of return flight

4.8 = x + (x / (500/460))

Simplifying the equation:

4.8 = x + (x / 1.0869565217391304)

To remove the fraction, we can multiply both sides of the equation by 1.0869565217391304:

4.8 * 1.0869565217391304 = x * 1.0869565217391304 + x

5.217391304347826 = 2.0869565217391304x

Divide both sides of the equation by 2.0869565217391304:

5.217391304347826 / 2.0869565217391304 = x

x ≈ 2.5

Therefore, the duration of the outbound flight is approximately 2.5 hours.

To find the duration of the return flight, we can subtract the outbound flight duration from the total flying time:

Duration of return flight = Total flying time - Duration of outbound flight

Duration of return flight = 4.8 - 2.5

Duration of return flight ≈ 2.3 hours

Thus, the outbound flight lasts approximately 2.5 hours, while the return flight lasts approximately 2.3 hours.

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The automobile covers 224.48 km.

This problem can be solved by using the unitary method.

In this method we calculate the value for a unit quantity and then multiply it with the desired number for which we want to calculate.

Here it is given that a automobile covers 1122.4 km with 80 liters.

For 1 liter of gasoline distance covered = \(\frac{1122.4}{80}\)

                                                              = 14.03 km

So, for 16 liters of gasoline distance covered will be = 16× 14.03

                                                                                  = 224.48 km

Therefore the automobile covers 224.48 km for 16 liters of gasoline.

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The precision of the protractor will determine the level of uncertainty in the measurement. A high-quality protractor will enable more precise measurements than a low-quality protractor with less accurate markings.

To determine the angle and its uncertainty, you'll need to provide the measured values and their uncertainties.  Using a protractor can provide a relatively precise measurement, but its precision may not be as high as specialized instruments or methods.

In order to determine an angle and its uncertainty, additional information is needed such as the degree of precision required, the size of the angle, and the measurement methodology. Without this information, it is impossible to determine the angle and its uncertainty.

Whether a protractor can be used to measure the angle with the required precision also depends on the quality of the protractor being used. A high-quality protractor with accurate markings and a clear scale will enable more precise measurements than a low-quality protractor with less accurate markings and a less clear scale.

Therefore, the precision of the protractor will determine the level of uncertainty in the measurement.

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\(0.3+10=10.3\\ 1.5+10=11.5\\ 1.6+10=11.6\\ 2.4+10=12.4\\ 3.2+10=13.2\)

Answer with step by step explanation

\(0.3 + 10 = 10.3 \\ 1.5 + 10 = 11.5 \\ 1.6 + 10 = 11.6 \\ 2.4 + 10 = 12.4 \\ 3.2 + 10 = 13.2\)

hope this helps you.

Given:

Present value = 150,000

Future value=223000

rate = 4.90% compunded quarterly.

To find the number of periods,

Answer: 32.6 years that means 32 years and 6 months.

Answer:

\(Median = 13\)

Step-by-step explanation:

Given

See attachment for dot plot

Required

The center of data

This implies that, we calculate the median

From the attached plot,

\(n = 13\) --- number of observation

So, the median is:

\(Median = \frac{n + 1}{2}\)

\(Median = \frac{13 + 1}{2}\)

\(Median = \frac{14}{2}\)

\(Median = 7th\)

The median is at the 7th position

At the  7th position, is 13

Hence:

\(Median = 13\)

Answer:

i think it would be 13?

Step-by-step explanation:

just guessing but im pretty sure its 13

Answer:

Cost for 35 songs:  1(35)+11=46

Cost for s songs:  1s+11

Step-by-step explanation:

She put 12.8 in place of 11.9 in the formula of the triangle. Then the correct option is A.

It deals with the size of geometry, region, and density of the different forms both 2D and 3D.

Regina’s work to find the surface area of a square pyramid from its net is shown below.

A square pyramid. The square base has side lengths of 9.4 inches. The triangular sides have a height of 11.9 inches.

Surface area of the pyramid = 4 [one-half (9.4) (12.8)] + 9.4² = 329 square inches

Then the error done by Regina will be

She should have used One-half (9.4) (11.9) to represent the area of a single triangle.

Then the correct option is A.

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Answer:

A

Step-by-step explanation:

So to find any last digit of 3^2011 divide 2011 by 4 which comes to have 3 as remainder. Hence the number in units place is same as digit in units place of number 3^3. Hence answer is 7.

Answer:

(-0.3)^4 = 0.0081

Step-by-step explanation:

        Hence, The Value of:  a^2   +   b^2   is  18

        b  =  1/a  =  1/ 2 + √5

        b  =  1/2 + √5  *   2 - √5/2 - √5

            =     2  - √5/1

        b  =  2  -  √5

       a^2    =  (2  +  √5)^2    =  4  +  4√5  +  5

       b^2    =  (2   -  √5)^2    =  4   -  4√5  +   5

        a^2   +  b^2   =   4  +  4√5  +  5  +  4  -  4√5  +  5

                              =   18  -  3√5

        4    +  5     +  4  +  5

        9    +   4     +   5

       13   +   5   =   18

        a^2  +  b^2       =   18                

        a^2  =  18   -  b^2

        a  =  ± √18  -  b^2

        a  =  √18     -  b^2

        a   =  -√18   -  b^2

        Hence, The Value of:  a^2   +   b^2   is  18

I hope this helps you!

Using area formula, we can find that the diagonal length is not 10ft. So, Jordan should not buy the pen.

A square's area is a measurement of the volume or surface that it takes up. It is equivalent to the two sides' combined lengths. Since the product of a square's two sides determines its size, the area is expressed in square units.

Here in the question,

Jordan wants an area that is of 35 ft² and 10ft diagonal length.

Now in the figure,

Dimensions of the pen are:

Length, l = 6ft.

Width, w = 6ft.

Height, h = 6ft.

So, it's a square.

Area that the puppy pen will provide = l × w

= 6 × 6

=36ft².

Diagonal of the pen is: (As per Pythagoras theorem)

√ (6² + 6²)

= √ (36+36)

= √ 72

= 8.48

The pen does provide 35ft² of area as it has 36ft², but it does not have a diagonal length of 10ft.

Therefore, Jordan should not buy the puppy pen.

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The complete question is:

Jordan wants a collapsible puppy pen that gives his puppy at least 35 square feet of area and at Least 10 feet of diagonal length. Should Jordan buy the pen shown? Explain.

We may determine that the diagonal length is not 10 feet using the area formula. Jordan shouldn't buy the pen.

The volume or area that a square occupies is determined by its area. It is equal to the sum of the lengths of the two sides. The area is given in square units since a square's size is determined by the product of its two sides.

Jordan requests a 35ft² square foot area with a 10-foot diagonal.

Now look at the figure.

The pen is the following size:

Length, l = 6ft.

Width, w = 6ft.

Height, h = 6ft.

So, it's a square.

The area that the puppy kennel will offer

= 6 × 6

=36ft².

Diagonal of the pen is:

= √ (6² + 6²)

= √ (36+36)

= √ 72

= 8.48

The pen has 36ft² square feet, so it does offer 35ft² square feet, but it lacks a 10 foot diagonal.

Jordan shouldn't purchase the Puppy pen as a result.

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The complete question is attached below,