Please help there’s a picture
60°
60
Y=?

(a)

Given that a fair cube has four faces, a red face, a blue face, a green face and a white face.

The cube is tossed and the color that it lands on is recorded.

The cube lands on red 4 times as often as it lands on blue.

The cube lands on blue twice as often as it lands on green and it lands on green as often as it lands on white.

So, here, the red face is obtained in maximum cases.

Then comes the blue face and then the green and white face.

Let X be the number of times it lands on white, Y be the number of times it lands on green, Z be the number of times it lands on blue and W be the number of times it lands on red.

Then,

Let us consider that the red is landed 16 times.

Then, blue is landed

Green and white is landed

Thus, if a cube is thrown for 24 times,

it is landed red for 16 times, blue for 4 times, green for 2 times, and white for 2 times

Thus, if the red is landed for n times, then blue is landed for

Green and white each is landed for

(b)

The bar diagram is shown below for a throw of 24 times

Answer:

B

Step-by-step explanation:

Here, we want to calculate the square root of -√- (75)

That will be

-√(25)(-3)

= -5 √(-3)

√(-3) is same as 3i

So we have the root as;

-5i√3

Answer:

25π

Step-by-step explanation:

The area of a circle is calculated with the following formula :

π r²

r(radius) is given as 5 so the area is

π*5^2 = 25π

Answer:

5 shifts

Step-by-step explanation:

The pool is open for 7 1/2 hours (15/2 hours) per day.

Each lifeguard shift lasts for 1 1/2 hours (3/2 hours).

To get the number of shifts per day, we divide the total hours that the pool is open by the time of each lifeguard shift:

\(\frac{15}{2} / \frac{3}{2} \\\\= \frac{15}{2} / \frac{2}{3} \\\\ = 5\)

There are 5 lifeguard shifts per day.

Answer:

5

Step-by-step explanation:

Answer:

21 units

Step-by-step explanation:

7 units in 5 hours means 14 units in 10 hours which means 21 units in 15 hours.

5x3=15

7x3=21

Answer: (\(\frac{-5 +\sqrt{5} }{2}\), 0), (\(\frac{-5 -\sqrt{5} }{2}\), 0)

Step-by-step explanation: Let me know if you need an explanation.

Answer:

2430kg

Step-by-step explanation:

3 tonnes is 3000kg so 3 tonnes 335kg is 3335kg. Take 3335 - 905 you get 2430

The area of a carpet that is 26 feet wide and 39 feet long is 1014 ft².

Given that, a carpet is 26 feet wide and 39 feet long, we need to find its area,

Considering the carpet as a rectangle, so, the area of a rectangle =

= length x width

Therefore, the area of the carpet = 26 x 39 = 1014 ft²

Hence, the area of a carpet that is 26 feet wide and 39 feet long is 1014 ft².

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Answer:

B) 16 x 8

Step-by-step explanation:

Just look at the units on each line, all the way to the left edge of the box, it is on the point -8, and on the right edge it's at 8, so you figure out how far apart those two points are, which is 16

Then for the other side you take the top point 2, and the bottom point -6, and find how far apart they are which is 8

then you get your dimensions of 16 x 8

hope this helped

Look at the pics

Step-by-step explanation:

Answer:

x=5

Step-by-step explanation:

Set the 2 equations equal to each other and solve for x.

11x-28=7x-8

add 28 to both sides (-8+28=20)

11x=7x+20

subtract 7x from both sides (11x-7x=4x)

4x=20

divide both sides by 4 to isolate x (20/4=5)

x=5

Answer:

3 units

Step-by-step explanation:

Given: Two shapes A and B

Required to find: The scale factor

Explanation:

STEP 1: Define Dilation

Dilation is a transformation, which is used to resize the object. Dilation is used to make the objects larger or smaller. This transformation produces an image that is the same as the original shape.

To dilate the figure by a factor of 2, I will multiply the x and y-value of each point by 2.

STEP 2: We then check for the length of the sides.

For shape A:

Lengths are given as 3 by 1 by 2 units

For shape B:

lengths are given as 9 by 3 by 6 units.

STEP 3: Divide the lengths of Shape B by Shape A.

\( \frac{9}{3} = \frac{3}{1 } = \frac{6}{2} = 3 units\)

ANSWER:

3 units

The proportion of a normal distribution located between z = .50 and z = -.50 will be 38.2%.

We have,

A normal distribution located between z = 0.50 and z = -0.50,

So,

Now,

From the Z-score table,

We get,

The Probability corresponding to the Z score of -0.50,

i.e.

P(-0.50 < X < 0) = 0.191,

And,

The Probability corresponding to the Z score of -0.50,

i.e.

P(0 < X < 0.50) = 0.191,

Now,

The proportion of a normal distribution,

i.e.

P(Z₁ < X < Z₂) = P(Z₁ < X < 0) + P(0 < X < Z₂)

Now,

Putting values,

i.e.

P(-0.50 < X < 0.50) = P(-0.50 < X < 0) + P(0 < X < 0.50)

Now,

Again putting values,

We get,

P(-0.50 < X < 0.50) = 0.191 + 0.191

On solving we get,

P(-0.50 < X < 0.50) = 0.382

So,

We can write as,

P(-0.50 < X < 0.50) = 38.2%

So,

The proportion of a normal distribution is 38.2%.

Hence we can say that the proportion of a normal distribution located between z = .50 and z = -.50 will be 38.2%.

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The solution to the inequality will be -

x ≥ 3    or   x ≤ -1

We have the given inequality as -

|4x − 4| ≥ 8

We have the inequality as -

|4x − 4| ≥ 8

4x - 4 ≥ 8     or     4x - 4 ≤ - 8  

4x ≥ 12      or      4x ≤ - 4

x ≥ 3    or   x ≤ -1

Therefore, the solution to the inequality will be -

x ≥ 3    or   x ≤ -1

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Answer:

D. 8 times

Step-by-step explanation:

lmk if its right bc im not too confident </33

D. The new volume will be 8 times the original volume.

The measurements of the rectangular prism are 5m ( length ), 3m ( width ), and 2m ( height ). To find the volume of the rectangular prism, you have to multiply the length, width, and height altogether. That gives you ( 5*3*2= ) 30 cubic meters. However, if the measurements were doubled for each edge, the new measurements would be ( 5*2= ) 10m ( new length ), ( 3*2= ) 6m ( new width ), and ( 2*2= ) 4m ( new height ). Multiplying those new measurements together would get you the volume of ( 10*6*4= ) 240 cubic meters. Now, in order to find out how it affects the volume of the prism, you divide 240 cubic meters by 30 cubic meters and get 8. Therefore, the answer will be D. The new volume will be 8 times the original volume.  

Answer:

a(first term)=4

d(common difference)=6

sum of first 6 terms=114

The sum of the first 6 terms is given by 114

An Arithmetic progression (AP) is a special type of progression in which the difference between two consecutive terms is always a constant. The terms of an arithmetic progression series is a a+d, a + 2d, a + 3d, a + 4d, a + 5d,…

Given here The 3rd and the 6th terms of an Arithmetic Progression (A.P) are 16 and 34 respectively. Here on increase in 3 terms the value changes by  34-16=18 Thus if we move by +1 term the common difference must be 18/3=6 and thus the common difference is equal to 3.

∴ The Arithmetic progression is given by:

4,10,16,22,28,34 . . . .

∴ The sum of the first 6 terms is 4+10+16+22+28+34=114

Hence, The sum of the first 6 terms is given by 114

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Step-by-step explanation:

You can find the area of a right triangle the same as you would any other triangle by using the following formula:

A = (1/2)bh, where A is the area of the triangle, b is the length of the base and h is the height of the triangle; However, with a right triangle, it's much more convenient in finding its area if we utilize the lengths of the two legs (the two sides that are shorter than the longest side, the hypotenuse and that are perpendicular to each other and thus form the right angle of the right triangle), that is, since the two legs of a right triangle are perpendicular to each other, when we treat one leg as the base, then, consequently, we can automatically treat the length of the other leg as the height, and if we initially know the lengths of both legs, then we can then just plug this information directly into the area formula for a triangle to find the area A of the right triangle.

For example: Find the area of a right triangle whose legs have lengths of 3 in. and 4 in.

Make the 4 in. leg the base. Since the two legs of a right triangle are perpendicular to each other, then the length of the other leg is automatically the height of the triangle; therefore, plugging this information into the formula for the area of a triangle, we have:

A = (1/2)bh

= (1/2)(4 in.)(3 in.)

= (1/2)(12 in.²)

A = 6 in.² (note: in.² means square inches)

If the mean bi-weekly wage of his career is $2,456.00, His lifetime earnings be when he retires at the age of 65 is: D. $2,618,096.00.

First step is to find the difference between his current age and the age he will be when he retires

Difference in age = 65 - 24

Difference in age = 41 years old

Now let find is lifetime earnings

Bi- weekly wage = 52 weeks/2

Bi- weekly wage = 26 paychecks per annum

Hence,

Lifetime earnings = $2,456.00 × 26 paychecks per annum

Lifetime earnings = $2,618,096.00

Therefore the correct option is D.

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▹ Answer

60% of 100 is 60

▹ Step-by-Step Explanation

60% of 100:

- You can write this as a fraction or decimal. In this case, both of them will work just fine but we can go with fractions.

60% is written as 6/10 as a fraction or 0.6 as a decimal.

\(\frac{6}{10} * 100\\ =\frac{600}{10} \\= 60\)

Hope this helps!

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Answer:

60%out of 100 is 40%

Step-by-step explanation:

100-60

It will not be reasonable to use regression line to predict the final exam score , the reason is explained below .

What is Regression Line ?

If data shows a linear relationship between two variables, then line that best fits this linear relationship is known as least-squares regression line.

it is given that ,

the student has missed 10 class periods .

we have to check whether it will be reasonable to use the least-squares regression line to predict the final grade for a student .

So , No , it will not be reasonable to use the least-squares regression line to predict the final grade for a student who has missed 10 class periods because 10 absent is outside the scope of the model.

Therefore , the correct option is (c) .

The given question is incomplete , the complete question is

Would it be reasonable to use the​ least-squares regression line to predict the final exam score for a student who has missed 10 class​ periods? Why or why​ not?

(a) No, because the absolute value of the correlation coefficient is less than the critical value for a sample size of n=10.

(b) ​Yes, because the purpose of finding the regression line is to make predictions outside the scope of the model.

(c) ​No, because 10 absent is outside the scope of the model.

(d) ​Yes, because the absolute value of the correlation coefficient is greater than the critical value for a sample size of n=10.

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Answer:

10,000

Step-by-step explanation:

Hope this helps!

Answer:

10,000

Step-by-step explanation:

0.02 x 10,000= 200 :)

In observational studies, the variable of interest The correct answer is (a) is not controlled.

The variables are measured as they occur naturally, without any manipulation or intervention by the researcher. Therefore, the variable of interest is not controlled in observational studies.

Observational studies are used in situations where it is not feasible or ethical to conduct controlled experiments, such as in studies of the effects of environmental exposures or lifestyle factors on health outcomes. In these studies, the researcher cannot control the exposure or intervention and must rely on observational data to draw conclusions about the relationship between the exposure and the outcome.

The other options are not correct because:

b. If the variable of interest is controlled, then the study is a controlled experiment, not an observational study.

c. The variable of interest can be numerical or categorical in observational studies.

d. The variable of interest does not have to be numerical in observational studies, as it can also be a categorical variable

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Answer:

32cm^3

Step-by-step explanation:

(4/3)*3*(2)^3=32

The proportion of carrying loads in the sample that are less than or equal to 880 pounds per square foot is 0.12.

To find the proportion of carrying loads in the sample that are less than NM pounds per square foot, we need to sum up the frequencies of all the bins that have carrying loads less than NM.

Given the histogram data:

Carrying Load (in pounds per sq. ft) | Frequency

860-880 3

880-900 6

900-920 9

920-940 4

940-960 3

Let's assume NM is the upper limit of the desired range for the carrying load. To calculate the proportion of carrying loads less than NM, we need to add up the frequencies of all the bins with carrying loads below NM.

For example, if NM is less than or equal to 880, then all the frequencies of the first bin (860-880) will be included in the calculation. If NM is between 880 and 900, the frequencies of both the first and second bins will be included, and so on.

To find the proportion, we sum up the frequencies of the relevant bins and divide it by the total sample size.

For the given histogram data, the total sample size is:

Total sample size = 3 + 6 + 9 + 4 + 3 = 25

Let's calculate the proportion for NM values less than or equal to 880:

Proportion = (Frequency of bin 1) / (Total sample size) = 3 / 25 = 0.12

Therefore, the proportion of carrying loads in the sample that are less than or equal to 880 pounds per square foot is 0.12.

Note: The exact value of NM was not provided, so we calculated the proportion for NM values less than or equal to 880 as an example. The calculation can be done for any specific NM value by summing up the frequencies of the relevant bins and dividing by the total sample size.

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Answer:

0.111 hope that helps you

Answer:

Increased sample size Larger effect size Lower variability One-tailed test

Step-by-step explanation:

The following combination of factors can increase the chances of rejecting the null hypothesis:

Decreased significance level (alpha): By choosing a lower significance level, such as 0.01 instead of 0.05, you make it more difficult for the results to be considered statistically significant, thereby increasing the chances of rejecting the null hypothesis.

Increased sample size: With a larger sample size, the test has more power to detect smaller effects or differences. This increased power can lead to rejecting the null hypothesis more often.

Larger effect size: If the effect or difference between groups being studied is larger, it becomes easier to detect and may lead to rejecting the null hypothesis.

Lower variability: If the data points in the sample are less spread out or have lower variability, it can increase the chances of rejecting the null hypothesis as the effect or difference becomes more evident.

One-tailed test: Conducting a one-tailed test instead of a two-tailed test can increase the chances of rejecting the null hypothesis. One-tailed tests focus on detecting a significant effect in one specific direction, whereas two-tailed tests consider the possibility of a significant effect in either direction.

It is important to note that these factors should be considered within the context of the specific hypothesis being tested and the statistical analysis being used. Additionally, the goal should be to design studies and analyze data in a way that ensures reliable and valid results rather than solely focusing on rejecting the null hypothesis.