helppp please 4-6 !!!

Answer:

C

Step-by-step explanation:

there is A cone at the bottom,

there is A cylinder in the middle ,

and there is A half sphere at the top.

Answer:

The answer assumes that the density of glass is 3 g/cm^3, not 3 g/cm^2.

The mass of the paperweight is 270 grams.

Step-by-step explanation:

Lets calculate the volume of a sphere having a radius of 3.5cm, and then divide that by 2 to get the volume of the hemisphere (half a sphere).  The sphere has a diameter of 7cm (therefore, a radius of 3.5cm).

Vol (sphere) = (4/3)πr^3

Vol = (4/3)(3.14)(3.5cm)^3

Vol = 180 cm^3

Half of this (the hemisphere) will be 90 cm^3

We know the volume, and we know the density of glass (3 g/cm^3), so multiply the two to obtain the mass of the paperweight.

 (90 cm^3)*(3g/cm^3) = 270 grams

Answer:

AngleASZ Is-congruent-to AngleZSB

Step-by-step explanation:

The incenter of a triangle is a point inside a triangle that is equidistant from all the sides of a triangle. The incenter is the point formed by the intersection of all the three angles of the triangle bisected. The lines drawn from the incenter to the sides of the triangle forming right angles to the sides are congruent.

If Point Z is equidistant from the sides of ΔRST, point Z is the incenter of triangle RST. Lines are drawn from point Z to the sides of the triangle to form right angles and line segments Z A, Z B, and Z C. This lines are therefore congruent to each other, i.e. ZA = ZB = ZC.. Since the angles of the sides of the triangles are bisected to form the incenter, therefore:

AngleASZ Is-congruent-to AngleZSB

Answer:

AngleASZ Is-congruent-to AngleZSB

Step-by-step explanation:

D is the correct answer

Answer:

They have raised $500 so far

Step-by-step explanation:

Multiply $2500 by 20% (aka 0.2) and you get $500

(They need to raise another $2,000 still)

Answer:$500

Step-by-step explanation:

We could translate the world problem,to get an equation.

20% “of” 2,500. The “of” means that you have to multiply. Convert the percent to get 0.20, and multiply it by 2,500.

0.20*2,500=500

The optimal values of these parameters are:

a. β₁ = 0

b. β₂ = 0

The linear regression y = β1 + β2x + e, assuming that the sum of squared errors (SSE) takes the following form:

SSE = 382 + 681 + 382 + 18β1β2

Derive the partial derivatives of SSE with respect to β1 and β2 and solve the optimal values of these parameters.

Given that SSE = 382 + 681 + 382 + 18β1β2 ∂SSE/∂β1 = 0 ∂SSE/∂β2 = 0

Now, we need to find the partial derivative of SSE with respect to β1.

∂SSE/∂β1 = 0 + 0 + 0 + 18β2 ⇒ 18β2 = 0 ⇒ β2 = 0

Therefore, we obtain the optimal value of β2 as 0.

Now, we need to find the partial derivative of SSE with respect to β2. ∂SSE/∂β2 = 0 + 0 + 0 + 18β1 ⇒ 18β1 = 0 ⇒ β1 = 0

Therefore, we obtain the optimal value of β1 as 0. Hence, the partial derivative of SSE with respect to β1 is 18β2 and the partial derivative of SSE with respect to β2 is 18β1.

Thus, the optimal values of β1 and β2 are 0 and 0, respectively.

Therefore, the answers are: a. β₁ = 0 b. β₂ = 0

Learn more about regression analysis at

https://brainly.com/question/31691955

#SPJ11

Answer:

The difference in elevation of the two towns is 3182 feet.

Step-by-step explanation:

Let's treat the elevation of sea level as 0 feet. That way, we can calculate the elevation of the two spots by using it as a measuring parameter.

Apple Valley is 2,900 feet above sea level. Hence, its elevation is (0 + 2,900) feet, which is 2,900 feet.

Death Valley is 282 feet below sea level. Hence, its elevation is (0 - 282) feet, which is -282 feet.

Hence, to calculate the difference, we subtract the elevation of Death Valley from that of Apple Valley, getting [2900 - (-282)] feet, which equals to (2900 + 282) feet which is 3182 feet.

Therefore, the difference in elevation of the two towns is 3182 feet.

Hope this helped!

Answer:

Option B. y=x+5

Step-by-step explanation:

If x=2 and y=7

Inserting the values into y=x+5

7=5+2

7=7

If x=3 and y=8

y=x+5

8=3+5

8=8

If x=4 and y=9

y=x+5

9=4+5

9=9

If x=5 and y=10

y=x+5

10=5+5

10=10

The theoretical probability of choosing List A is less than the experimental probability of choosing List A.

The theoretical probability of choosing List B is greater than the experimental probability of choosing List A.

For a fair coin, the theoretical probability of obtaining a head or tail is 0.5 or 50% each.

Therefore, theoretically, the probability of choosing List A is 0.5, and the probability of choosing List B is also 0.5.

The experimental probability of choosing List A or List B is obtained using the formula below:

Experimental probability of List A = 37/70

Experimental probability of List A = 0.529

The experimental probability of choosing List B is:

Experimental probability of List B = 33/70

Experimental probability of List B = 0.471

Learn more about probability at: https://brainly.com/question/24756209

#SPJ1

Answer:

10.0 lb/wk ---> final solution

Step-by-step explanation:

Answer:

Slope-1/4 Y-intercept--2 Equation-y=1/4x+-2 and choose any point on the line.

Step-by-step explanation:

To find slope, you will have to make a slope triangle with two intersecting points. Divide h/v witch is 1/4. The y-intercept is just the point on the y-axis so that is -2. For the fourth question, just choose any coordinate on the oblique line.

Hope that helps!

Answer:

y = 8(2) = 16

Step-by-step explanation:

"If y varies directly as x," then y = kx, where k is the constant of proportionality.

Here, when x = 6, y = 48.  This data lets us calculate k:

48 = k*6, or k = 8.

Then the pertinent equation is  y = 8x.

If x = 2, y = 8(2) = 16

The six main criteria to define normality and abnormality include statistical infrequency, personal distress, others' distress, unexpected behavior, highly consistent/inconsistent behavior, and maladaptiveness/disability.

1. Abnormality as statistical infrequency: This criterion defines abnormality based on behaviors or characteristics that deviate significantly from the statistical norm.

2. Abnormality as personal distress: This criterion focuses on the individual's subjective experience of distress or discomfort. It considers behaviors or experiences that cause significant emotional or psychological distress to the person as abnormal.

For instance, someone experiencing intense anxiety or depression may be considered abnormal based on personal distress.

3. Abnormality as others' distress: This criterion takes into account the impact of behavior on others. It considers behaviors that cause distress, harm, or disruption to others as abnormal.

For example, someone engaging in violent or aggressive behavior that harms others may be considered abnormal based on the distress caused to others.

4. Abnormality as unexpected behavior: This criterion defines abnormality based on behaviors that are considered atypical or unexpected in a given context or situation.

For instance, if someone starts laughing uncontrollably during a sad event, their behavior may be considered abnormal due to its unexpected nature.

5. Abnormality as highly consistent/inconsistent behavior: This criterion involves comparing an individual's behavior to both their own typical behavior and the behavior of others. Consistent or inconsistent patterns of behavior may be considered abnormal.

For example, if a person consistently engages in risky and impulsive behavior, it may be seen as abnormal compared to their own usually cautious behavior or the behavior of others in similar situations.

6. It considers behaviors that are maladaptive, causing difficulties in personal, social, or occupational areas. For instance, someone experiencing severe social anxiety that prevents them from forming relationships or attending school or work may be considered abnormal due to the disability it causes.

The medical model and classification systems used in physical illnesses have both value and limitations when applied to psychological disorders. They provide a structured framework for understanding and diagnosing psychological disorders, allowing for standardized assessment and treatment. However, they can oversimplify the complexity of psychological experiences and may lead to overpathologization or stigmatization.

To know more about abnormality, visit,

https://brainly.com/question/27999898

#SPJ4

1111 is the greatest common divisor of all numbers.

Lets simplify the problem,

1234  +  4321   =   5555

2345  +  5432   =   7777

3456  +  6543   =   9999

4567  +  7654   =   12221

5678  +  8765   =   14443

6789  +  9876   =   16665

After it , we get:

5555 _=_ 101 * 11  * 5

7777 = 101 * 11 * 7

9999 = 101 * 11 * 3 * 3

12221 = 101 * 11 * 11

14443 = 101 * 11 * 13

16665 = 101 * 11 * 3 * 5

abcd(5555, 7777, 9999, 12221, 14443, 16665)  =  101 * 11  =  1111

Hence we get 1111 is the greatest common divisor.

Learn more about Divisor on:

https://brainly.com/question/25524020

#SPJ4

Answer: 13

Step-by-step explanation:

Answer:

13!

Step-by-step explanation:

weelllllllllllll…… take 8….then add 5 lol! Sooooo… 1,2,3,4,5,6,7,*8*, then add 5 more, 9,10,11,12,13!

Based on angle relationship, the missing angles are:

1. Angle a = 108°; reason: alternate interior angles

2. Angle b = 43°; reason: corresponding angles

3. Angle c = 114°, reason: corresponding angles are congruent.

4. Angle d = 101°; reason: same-side interior angles .

5. Angle e = 82°, reason: alternate interior angles

angle f = 82°, reason: vertical angles

6.  Angle g = 67°, reason: corresponding angles

Angle h = 113°, reason: same-side interior angles

7. Angle i = 127°, reason: corresponding angles

Angle j = 53° [reason: linear pair angles]

8. k = = 156° [reason: supplementary angles]

l = 24° [reason: alternate exterior angles]

9. m = 72° [reason: alternate exterior angles]

10. n = 86° [reason: supplementary angles]

11. p = 25° [reason: supplementary angles]

12. q = r = 61° [reason: supplementary angles]

To calculate a missing angle in a figure using angle relationships, follow these steps:

Therefore:

1. Angle a = 108°, the reason is: alternate interior angles are congruent.

2. Angle b = 43°, the reason is: corresponding angles are congruent.

3. Angle c = 114°, the reason is: corresponding angles are congruent.

4. Based on the same-side interior angles theorem (angle relationship), we have:

d = 180 - 79

d = 101°

5. Angle e = 82°, the reason is: alternate interior angles are congruent.

angle f = 82°, because, vertical angles are congruent.

6.  Angle g = 67°, the reason is: corresponding angles are congruent.

Angle h = 180 - 67 = 113°, the reason is: same-side interior angles are supplementary.

7. Angle i = 127°, the reason is: corresponding angles are congruent.

Angle j = 180 - 127 = 53° [reason: linear pair angles]

8. k = 180 - 24 = 156° [reason: supplementary angles]

l = 24° [reason: alternate exterior angles are congruent]

9. m = 72° [reason: alternate exterior angles are congruent]

10. n = 180 - 94 = 86° [reason: supplementary angles]

11. p = 180 - 155 = 25° [reason: supplementary angles]

12. q = r = 180 - 119 = 61° [reason: supplementary angles]

Learn more about angle relationship on:

https://brainly.com/question/12591450

#SPJ1

Calculation of market rate of interest at the time of purchasing the bondThe information given in the problem is as follows:FV = $1000PMT = (7% of 1000)/2 = $35 (semiannual)N = 10 * 2 = 20 (semiannual)Semi-annual yield = 7% (coupon rate)/2 = 3.5%

Using the above-given information, the value of the bond can be calculated as follows: The price of the bond at the time of purchase = $1000 = PV= $832.67This implies that the market rate of interest at the time of purchasing the bond was 8.5%.b)

Calculation of selling the bond todayThe market rate of interest is now 8%. Using the given formula, the value of the bond can be calculated as follows: 
PMT = (7% of 1000)/2 = $35 (semiannual)N = 10 * 2 = 20 (semiannual)The price of the bond today = $881.57
Quoted price of bond = 88.16% = 0.8816 x $1000 = $881.6Current yield on bond = (70/881.6) x 100 = 7.94%Annual holding period return on bond = [(881.57-832.67) / 832.67] / 6.5 = 0.59%Suppose the bond is offered at $950, the holding period return will be calculated as follows: 
Holding period return = [(950-832.67) / 832.67] / 6.5 = 1.42%As per the given scenario, the annual holding period return on the bond is 0.59%. So, it can be concluded that the friend's offer is better than the current return. So, it is recommended to sell the bond to the friend.

The market rate of interest at the time of purchasing the bond was 8.5%.The price of the bond today = $881.57.The quoted price of the bond is $881.6.The current yield on bond is 7.94%.The annual holding period return on bond is 0.59%.The holding period return if bond is sold to a friend for $950 is 1.42%.

To know more about market rate   visit

https://brainly.com/question/33041149

#SPJ11

Answer:

200 trucks

Step-by-step explanation:

There's about 15 trucks in the 2nd row from the right. It looks to be about 1/2 the size of the rows to the left of it.

So based on that, I can assume, there are about 30 trucks in each of the 5 long rows, and both of the short rows would make up about another 30 trucks total. There are various trucks parked along the perimeter or between rows, so I estimated there would be about 20 of those based on 3 per row.

30 x 5 = 150 +30 = 180 + 20 = 200

Six pairs of congruent angles are:

To name six pairs of congruent angles:

Given: BCDE ≅ RSTU

Then,

Now, connect diagonals BD and RT.

So,

Therefore,  six pairs of congruent angles are:

Know more about Polygons here:

https://brainly.com/question/1592456

#SPJ4

Yes, It is possible for two sets of data to have the same slope but different correlation coefficients depending on the direction of the relationship between the variables.

Two sets of data, Set A and Set B. Both sets have the same slope but different correlation coefficients.

Set A

x-values: [1, 2, 3, 4, 5]

y-values: [2, 4, 6, 8, 10]

Set B

x-values: [1, 2, 3, 4, 5]

y-values: [10, 8, 6, 4, 2]

For Set A, the points lie on a straight line that increases as x increases. The line has a positive slope, indicating a positive relationship between x and y. This positive relationship results in a high correlation coefficient, indicating a strong linear relationship between the variables.

For Set B, the points also lie on a straight line, but it decreases as x increases. The line has the same slope as Set A, indicating the same rate of change between x and y. However, the negative relationship between x and y in Set B leads to a negative correlation coefficient. This negative correlation coefficient indicates a strong linear relationship but in the opposite direction compared to Set A.

So, although both sets of data have the same slope, the difference in the direction of the relationship between x and y results in different correlation coefficients. Set A has a positive correlation coefficient, while Set B has a negative correlation coefficient.

To know more about correlation coefficients click here :

https://brainly.com/question/27226153

#SPJ4

The upper and lower 3-sigma control chart limits for this DNA sample data are UCL = 18.53 and LCL = 0

When we are given data on the DNA samples taken over the past 10 days, we can calculate the upper and lower 3-sigma control chart limits. The sample size is 100, and the defective number of DNA samples is given for each of the ten days.

The 3-sigma control limits for a process control chart can be calculated using the following formula: Upper control limit (UCL) = Mean + (3 × Standard Deviation) and Lower control limit (LCL) = Mean - (3 × Standard Deviation),where the mean is the average value of the data, and the standard deviation is the spread of the data around the mean.

Here, we need to calculate the mean and standard deviation of the defective samples for the past 10 days. The average number of defectives per day (mean) is (7+9+9+11+7+8+0+11+13+2) / 10 = 77 / 10 = 7.7

To calculate the standard deviation, firstly, calculate the variance: variance = sum of the squared differences from the mean divided by the number of samples = \([(7-7.7)^2 + (9-7.7)^2 + ... + (2-7.7)^2] / 10\)  ≈ 13.01 2.. Now, take the square root of the variance which gives standard deviation. So, standard deviation = \(\sqrt{13.01\\}\) ≈ 3.61

Using the 3-sigma rule UCL = Mean + (3 * Standard Deviation) = 7.7 + (3 * 3.61) ≈ 18.53    and   LCL = Mean - (3 * Standard Deviation) = 7.7 - (3 * 3.61) ≈ -3.13. However, since the LCL cannot be negative, we set it to 0 in this context. So, the upper and lower 3-sigma control chart limits are: UCL = 18.53 LCL = 0

To know more about sample data, refer here

https://brainly.com/question/13219930#

#SPJ11

The solution to the inequality is y ≤ -8. This means that any value of y that is less than or equal to -8 will satisfy the original inequality.

To solve the inequality y + 7 ≤ -1, we need to isolate the variable y on one side of the inequality sign.

Starting with the given inequality:

y + 7 ≤ -1

We can begin by subtracting 7 from both sides of the inequality:

y + 7 - 7 ≤ -1 - 7

y ≤ -8

The solution to the inequality is y ≤ -8. This means that any value of y that is less than or equal to -8 will satisfy the original inequality.

In the context of a number line, all values to the left of -8, including -8 itself, will make the inequality true. For example, -10, -9, -8, -8.5, and any other value less than -8 will satisfy the inequality. However, any value greater than -8 will not satisfy the inequality.

For such more question on solution:

https://brainly.com/question/24644930

#SPJ8

The following question may be like this:

What is a solution of the inequality shown below? y+7≤-1

\(~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$ 30000\\ P=\textit{original amount deposited}\dotfill & \$20000\\ r=rate\to 9\%\to \frac{9}{100}\dotfill &0.09\\ t=years \end{cases} \\\\\\ 30000 = 20000[1+(0.09)(t)] \implies \cfrac{30000}{20000}=1+0.09t\implies \cfrac{3}{2}=1+0.09t \\\\\\ \cfrac{3}{2}-1=0.09t\implies \cfrac{1}{2}=0.09t\implies \cfrac{1}{2(0.09)}=t\implies 5.6\approx t\)

Answer:

the area of the circle is approximately

201.06 ft^2

The equation (x - 1)² - 4(x - 1)² = 0 has two solutions: x = 1 and x = 5. we substitute U = x - 4(x - 1)/(x - 1)² into the equation.

Simplifying, we get U² - 4U² = 0. This leads to -3U² = 0, which has no real solutions. However, we must consider the restrictions of the substitution. Since (x - 1) cannot be zero, we find that x ≠ 1. Thus, we substitute U back into the original equation, obtaining (x - 1)² - 4(x - 1)² = 0. Solving this quadratic equation gives the solutions x = 1 and x = 5.

Learn more about substitute here:

https://brainly.com/question/15522128

#SPJ11

Answer:

u=30

x=150

z=150

y=30

Step-by-step explanation:

u=y [ being vertically opposite angle]

x+u=180[ being linear pair]

x+30=180

x=180-30

x=150

z=x[being vertically opposite angle]

z=150

y=u[ being voa]

Answer:

=40°

Step-by-step explanation:

Sorry that's all I know

^keep safe^

Answer:

1. 48a/24a³b²; domain {a ≠ 0 and b ≠ 0}  2. 15b³/24a³b² ; domain {a ≠ 0 and b ≠ 0}

Step-by-step explanation:

1. To have a denominator 24a³b², we multiply 2/a²b² by 24a/24a.

So, 2/a²b² × 24a/24a = 48a/24a³b². For this expression to the valid, the domain is a ≠ 0 and b ≠ 0

2. To have a denominator 24a³b², we multiply 5b/8a³ by 3b²/3b².

So, 5b/8a³ × 3b²/3b². = 15b³/24a³b². For this expression to the valid, the domain is a ≠ 0 and b ≠ 0

The type of p-value indicates statistically significant results is a small p-value. (option b).

The p-value represents the probability of observing the data or results of an experiment, assuming that the null hypothesis is true.

A small p-value, typically less than 0.05 (or 5%), indicates that the probability of obtaining the observed results by chance alone, assuming the null hypothesis is true, is low. Therefore, it suggests that the results are statistically significant, and the null hypothesis can be rejected.

On the other hand, a large p-value, typically greater than 0.05 (or 5%), indicates that the probability of obtaining the observed results by chance alone, assuming the null hypothesis is true, is high. Therefore, it suggests that the results are not statistically significant, and the null hypothesis cannot be rejected.

In summary, a small p-value indicates that the results of the experiment are statistically significant, while a large p-value suggests that they are not.

Hence the correct option is (b).

To know more about p-value here

https://brainly.com/question/30461126

#SPJ4

Answer:

596

Step-by-step explanation:

plato

Answer:

The answer should be 596.

Step-by-step explanation:

542+54=596.