What is seventy-eight divided by four and five multipliyed by nine

Step-by-step explanation:

the shape has been split into 2 shapes. one cuboid and a triangular prism . work out the volume of each shape .

hint : volume : h×l×w ( height times length times width)

so the cubiod is 12 times 29 times 12 =

you work out the answer for that .

the triangular prism you try working out the volume.

Answer:

Step-by-step explanation:

40% of people are men, then 60% are women.

60% of x is 42 people, find x:

Let total people be x

ATQ

\(\\ \sf\longmapsto 60\%\:of\:x=42\)

\(\\ \sf\longmapsto 0.60x=42\)

\(\\ \sf\longmapsto x=42/0.6=70\)

Answer:

can I see a picture? so I can try & help u

Answer:

x≥-5

Step-by-step explanation:

The length of BC of the line segment is 16.1 units.

The radius of circle O is 22, and OC = 15. Therefore, the length of the segment of AB can be found as follows:

Pythagoras's theorem can be used to find CB.

Therefore,

CB  = AC

Hence,

c² = a² + b²

where

Therefore,

22² - 15² = BC²

BC = √484 - 225

BC = √259

BC = 16.0934769394

BC = 16.1 units

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Answer:   $14.02

Step-by-step explanation:

Marked down by 45% means it will have a 45% percent discount.

Subtract 45% from 100%  then multiply it by the amount .

100% - 45% = 55%

55% * 25.49 =  14.0195  Round it to the nearest hundredth to convert it to money.  

14.0195 = 14.02

2 + 7 < 18 inequalities represent the number of remaining hours Mr. Roy could be scheduled to work this week.

The term "inequality" in mathematics refers to a relationship among two expressions or values which are not similar to one another.

Both equations and inequalities are mathematical phrases created by connecting two expressions. The equal sign (=) in an equation denotes that the two expressions are regarded as equal. In contrast, an inequality indicates that the two phrases are not always equal by using the symbols " >, < , ≤ ,or ≥ ".

If x is 2, then 2+7 should equal 9, which is less than the amount Roy wanted to work, and would be the best option for him since he wanted to work for less than 18 hours.

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The complete question is as follows:

Mr. Roy is scheduled to work less than 18 hours this week. he has already worked 7 hours. if x is the remaining number of hours. Mr. Roy could work this week which inequalities represent the number of remaining hours Mr. Roy could be scheduled to work this week? select all that apply

A 2+7 > 18

B 2 + 7 < 18

C 2 +18 > 7

DI > 11

EI < 11

Answer: 3/4

Step-by-step explanation: please mark brainliest !!

We are 80% confident that the true population mean falls within this interval based on the given sample data. To construct an 80% confidence interval for the population mean (μ), we can use the formula:  

Confidence Interval = x ± Z * (σ/√n) Where:
x is the sample mean (46.17)
Z is the Z-score corresponding to the desired confidence level (80% confidence level corresponds to a Z-score of 1.28)
σ is the population standard deviation (6.5)
n is the sample size (92)

Substituting the given values into the formula, we get:
Confidence Interval = 46.17 ± 1.28 * (6.5/√92)
Calculating the expression inside the parentheses first:
6.5/√92 ≈ 0.679. Then, plugging it back into the formula:
Confidence Interval = 46.17 ± 1.28 * 0.679

Calculating the product of 1.28 and 0.679: 1.28 * 0.679 ≈ 0.868
Finally, the confidence interval is: Confidence Interval = 46.17 ± 0.868
Rounding to two decimal places: Confidence Interval ≈ (45.30, 47.04)

Therefore, the 80% confidence interval for the population mean (μ) is approximately (45.30, 47.04).  

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Answer:

The velocity is 8.93 meters/second.

Step-by-step explanation:

It is given that  Elena runs for 28 seconds and finishes at 250 meters.

Here the displacement is 250 meters and the time is 28 seconds.

We know that  \(V=\dfrac{\text{Displacement}}{\text{Time}}\)

Substitute displacement = 250 and time = 28 in above formula.

\(V=\dfrac{250}{28}\)

\(V\approx 8.93\) meters/second

Hence, the velocity is 8.93 meters/second.

Answer:

Jamie has 44 pairs of shoes

Step-by-step explanation:

Let

Jamie= x pairs of shoes

Suzie= 33 less than twice the amount of shoes Jamie has

2x - 33 = 55

Solve:

2x - 33 = 55

Collect like terms

2x = 55 + 33

2x = 88

Divide both sides by 2

2x / 2 = 88 / 2

x = 44

Jamie = x = 44 pairs of shoes

Therefore, Jamie has 44 pairs of shoes

The number of ounces of apple sauce each person gets is given by option (B) 2 2/5 ounces.

Total amount of applesauce jar = 12 ounces

Number of friends = 4

If Trey and his four friends equally share a 12 ounce jar of apple sauce.

Then the total amount of apple sauce will be divided into 5 equal parts (Trey + 4 friends).

The amount of apple sauce that each person receives,

Divide the total amount of apple sauce by the number of people,

⇒Amount of apple sauce per person

= Total amount of apple sauce / Number of people

= 12 ounces / 5 people

= 2.4 ounces

In mixed number form it is written as ,

2.4 ounces = 2 2/5 ounces

Therefore, each person receives ounces of apple sauce, is equal to option (B) 2 2/5 ounces .

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The above question is incomplete , the complete question is:

Trey and his four friends equally share a 12 ounce jar of apple sauce. how much applesauce, in ounces, does each person receive?

A. 5/12

B. 2 2/5

C. 17

D. 60

Answer:

b 19.2

Step-by-step explanation:

a = \(\pi\)\(r^{2}\) for a circle.  We do not want to find the area for a whole circle.  We only want to find the area for part of a circle.  a hole circle is 360 degrees.

a = \(\frac{88}{360}\)\(\pi\)\(r^{2}\)

a = \(\frac{88}{360}\)\(\pi\)(\(5^{2}\))

a = 19.2 rounded.

The area of the sector of circle is b. 19.20 square meter.

The space enclosed by the sector of circle is called area of the sector of circle.Mathematically,

Area of the sector of circle, A = θ/360πr²

where θ is the angle of the arc and r is the radius of the circle.

Now it is given that,

radius of the circle, r = 5m

Angle of arc, θ = 88°

Therefore, area ofsector of circle A = θ/360πr²

Put the values,

A = 88/360 π 5²

Solving the equation we get

A = 19.20 square meter.

Hence,the area of the sector of circle is b. 19.20 square meter.

So  the correct answer is b.) 19.20 square meter.

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Answer of the following questions for given mean and standard deviation along with sample size are:

a. Null hypothesis , H₀: μ = 4.00

   Alternative hypothesis, H₁ : μ > 4.00

b. Value of test statistic is 1.647

c. Conclusion is no evidence to conclude mean wait time for customer is longer than 4.00 minutes.

As given in the question,

Wait time for customer is at most 4.00 minutes

a. Null hypothesis is given by

H₀: μ = 4.00

Mean time is not exceeding the requirement

Alternative hypothesis is given by:

H₁ : μ > 4.00

b. Value of test statistic is given by :

(\(\bar{x}\) - μ₀) ÷ ( s/√n )

Sample mean \(\bar{x}\) = 4.14

Population mean μ₀ = 4.00

Standard deviation 's' = 0.55 minutes

Sample size 'n' = 42

Substitute the value in the formula we get,

(4.14 - 4.00) ÷ (0.55/ √42)

= 0.14 / (0.55/ 6.5)

=0.14/ 0.085

= 1.647

c. α = 1 - 98%

   = 1 - 0.98

   = 0.02

Decision value limit :

Reject H₀ ; if P value < α

Using table ,

P value = P(Z < 1.647)

              = 0.04997

⇒P value = 0.04997

0.04997 > 0.02

Here P value > α

Fail to reject Null hypothesis .

Therefore, from the given standard deviation and mean conclusion is that there is no sufficient evidence to prove that mean wait time for customers is longer than 4.00.

The complete question is:

The board of a major credit card company requires that the mean wait time for customers when they call customer service is at most 4.00 minutes. to make sure that the mean wait time is not exceeding the requirement, an assistant manager tracks the wait times of 42 randomly selected calls. the mean wait time was calculated to be 4.14 minutes. assuming the population standard deviation is 0.55 minutes, is there sufficient evidence to say that the mean wait time for customers is longer than 4.00 minutes with a 98% level of confidence?

1. State the null and alternative hypotheses for the test.

2. Compute the value of the test statistic.

3. Draw a conclusion and interpret the decision.

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Answer:

Answer:

30

Step-by-step explanation:

yes I can tell what it is

The value of x that will make the two triangles similar by the SSS similarity theorem is: C. 30.

According to the SSS similarity theorem, if all the three corresponding sides of two triangles are proportional or have the same ratio, then both triangles are similar.

If the two triangles are similar we would have:

75/50 = 45/x

Cross multiply and find x

x = (45 × 50)/75

x = 30

Thus, the value of x would be: C. 30.

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Both observed OR and true OR indicate that migraine headache is associated with increased odds of frequent cell phone use.

We know that,

Currently, In the studies of Migraine and cell phone use:

Researchers have observed that When we use our mobile phone more and more then there are higher chances of developing migraines and other symptoms.

Such as that cellular phones, has been found reason of an opening of the blood-brain barrier that separates the bloodstream from the brain and cerebral spinal fluid.

But, We know that,

Headaches have been associated with the opening of this barrier.

Hence the answer is, Both observed OR and true OR indicate that migraine headache is associated with increased odds of frequent cell phone use.

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the statement that "you walk at a constant rate" tells us that the relationship is indeed proportional, namely, there's a value in the input that's consistent or common yielding the output.

Check the picture below.

to get the equation of any straight line, we simply need two points off of it, for the distance "from school" table, let's use those two points in that table

\((\stackrel{x_1}{10}~,~\stackrel{y_1}{0.5})\qquad (\stackrel{x_2}{30}~,~\stackrel{y_2}{1.5}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{1.5}-\stackrel{y1}{0.5}}}{\underset{\textit{\large run}} {\underset{x_2}{30}-\underset{x_1}{10}}}\implies \cfrac{1}{20}\)

\(\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{0.5}=\stackrel{m}{\cfrac{1}{20}}(x-\stackrel{x_1}{10})\implies y-0.5=\cfrac{1}{20}x-\cfrac{1}{2} \\\\\\ y=\cfrac{1}{20}x-\cfrac{1}{2}+0.5\implies y=\cfrac{1}{20}x-\cfrac{1}{2}+\cfrac{1}{2}\implies \boxed{y=\cfrac{1}{20}x}\)

Answer:

x < -1/2

Step-by-step explanation:

x - 8 > 5x

-8 > 5x -x

-8 > 4x

Divide through by 8

-1/2 > x or x < -1/2.

That is ofcourse if I interpreted the first part correctly.

The probability that a point chosen randomly inside the rectangle is in the triangle is 1/3, or approximately 0.33 to the nearest hundredth.

The probability that a point chosen randomly inside the rectangle is in the triangle is equal to the area of the triangle divided by the area of the rectangle.

To find the area of the triangle, we need to first find its base and height. The base of the triangle is the length of the rectangle, which is 8 units. To find the height, we need to draw a perpendicular line from the top of the rectangle to the base of the triangle. This line has a length of 4 units. Therefore, the area of the triangle is (1/2) x base x height = (1/2) x 8 x 4 = 16 square units.

The area of the rectangle is simply the length times the width, which is 8 x 6 = 48 square units.

Therefore, the probability that a point chosen randomly inside the rectangle is in the triangle is 16/48, which simplifies to 1/3.


In conclusion, the probability that a point chosen randomly inside the rectangle is in the triangle is 1/3, or approximately 0.33 to the nearest hundredth.

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1=25 2=9 3=40(I can barely see it) 4=20?? 5=14 6=16 7=20 8=48

In 1 graduated cylinder, liquid is 25,In 2 graduated cylinder, liquid is 8,In 3 graduated cylinder, liquid is 40,In 4 graduated cylinder, liquid is 20,In 5 graduated cylinder, liquid is 14,In 6 graduated cylinder, liquid is 17,In 7 graduated cylinder, liquid is 20,In 8 graduated cylinder, liquid is 48.

A graduated cylinder is a laboratory instrument used to measure the volume of liquids with relatively high accuracy. It consists of a tall, cylindrical glass or plastic tube with markings (graduations) along its length that indicate different volume measurements. The cylinder typically has a narrow diameter at the bottom and a wider diameter at the top, allowing for precise measurements.

To use a graduated cylinder, you pour the liquid you want to measure into the cylinder and read the volume at the bottom of the meniscus (the curved surface of the liquid). The markings on the cylinder allow you to read the volume directly in milliliters (mL) or cubic centimeters, depending on the units indicated on the cylinder.

Graduated cylinders come in various sizes, ranging from small ones used for precise measurements in experiments to larger ones used in industrial settings. They are commonly found in chemistry laboratories and are an essential tool for tasks like preparing solutions, conducting experiments, and accurately measuring liquid volumes.

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To determine the restriction of the domain of the function tan(x), let us analyze its definition:

Because cos(x) goes to zero for values of x equal to ±π/2, for these values we have the limits, in the sense of edge, of the function. After this point tan(x) starts to repeat the values.

Because the edges are given by ±π/2, and the function is not defined in the point, because it becomes a division by 0, we can solve the first part of the problem:

The domain of f(x) = tan( x) is restricted to:

so that the inverse of that function exists. This means that all functional values of f(x) = tan^(-1)( x ) are on the interval:

In univariate data, only one variable is assessed for each person. Two variables are measured for each person in bivariate data.

The definition of univariable data is "one variable," and it is generally understood to be one sort of data. It is one of the straightforward methods for data analysis. The data in univariable data only include one variable.

The cat's weight, for instance, is 10, 15, 25, 27, 30, 35, and 40.

The variable is hence "Cat weight."

The definition of bivariate data is "Two Variable," and it essentially consists of two different forms of data. It is a straightforward type of statistical analysis.

Only one variable is analysed at a time in univariate statistics. Two variables are compared in bivariate statistics. Multiple variables are compared using multivariate statistics.

In a bivariate analysis, the correlations between the two variables are measured. When there are more than two variables in the data set, a more complicated statistical analysis technique called multivariate analysis is utilized.

Therefore,

In univariate data, only one variable is assessed for each person. Two variables are measured for each person in bivariate data.

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Answer:

C. m(h) = 5.25h; $11.81

Step-by-step explanation:

Answer: Crystal will earn $11.81.

Step-by-step explanation:

Since we have given that

Cost per hour mowing lawns = $5.25

Let the number of hours be 'h'.

Let the amount of money be 'm'

So, According to question, we get

Here h = 2 hours and 15 minutes

So,

So, Crystal will earn if she works for 2 hours and 15 minutes will be

Hence, Crystal will earn $11.81.

Therefore , the solution of the given problem of unitary method comes out to be  $1,320, $3,960, and $5,280, respectively.

After determining the dimensions of one tiny slice, multiply the sum by two to complete a work using unitary procedure. The unit variable methodology, which just requires an expression, can be used to equation a coded unit from a certain group or set of groups. 40 pens, for example, might cost Rs. 4,000, which would be equal to $1.01 and 4000 pounds. It's possible that one country will have total control over the method employed to do this. Virtually every living creature has a distinctive quality.

Here,

In 2016, the prices for 1, 3, or 4 gold ounces were $1,320, $3,960, and $5,280, respectively.

In 2016, 2 gold ounces would cost $2,640.

1 ounce of gold costing $2 in 2016 is equal to $2 divided by 2 ounces of gold. in 2016.

= $2,640 ÷ 2

= $1,320

The price of 3 grams of gold for 2016 equals the price of One ounce of gold. multiplied by 3.

= $1,320 × 3

= $3,960

cost of one ounce of gold. in 2016 multiplied by 4 to get the price of 4 ounces of gold. in 2016.

= $1320 × 4

= $5,280

The price of 1, 3, and 4 gold ounces each in 2016 is therefore $1,320, $3,960, and $5,280, respectively.

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Using the cosine rule, the distance the plane has flown during Jack's phone call can be calculated by taking the square root of the sum of the squares of the initial and final distances, minus twice their product, multiplied by the cosine of the angle difference.

To determine the distance the plane has flown during Jack's phone call, we can use the cosine rule in trigonometry.

The cosine rule relates the lengths of the sides of a triangle to the cosine of one of its angles.

Let's denote the initial distance from Jack to the plane as d1 and the final distance as d2.

We know that the altitude of the plane remains constant at 2400 meters.

According to the cosine rule:

\(d^2 = a^2 + b^2 - 2ab \times cos(C)\)

Where d is the side opposite to the angle C, and a and b are the other two sides of the triangle.

For the initial angle of elevation (70°), we have the equation:

\(d1^2 = (2400)^2 + a^2 - 2 \times 2400 \times a \timescos(70)\)

Similarly, for the final angle of elevation (50°), we have:

\(d2^2 = (2400)^2 + a^2 - 2 \times 2400 \times a \times cos(50)\)

To find the distance the plane has flown, we subtract the two equations:

\(d2^2 - d1^2 = 2 \times 2400 \times a \times (cos(70) - cos(50))\)

Now we can solve this equation to find the value of a, which represents the distance the plane has flown.

Finally, we calculate the square root of \(a^2\) to find the distance in meters.

It's important to note that the angle of elevation assumes a straight-line path for the plane's movement and does not account for any changes in altitude or course adjustments that might occur during the phone call.

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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.

By hiring the top 90% of applicants for a given job, one is increasing the likelihood of making a Type II error, also known as a "false negative."

In the context of hiring, a Type II error occurs when a qualified and suitable candidate is mistakenly rejected or not selected for the job.

By only hiring the top 90% of applicants, there is a possibility that some highly qualified candidates who fall within the remaining 10% are overlooked or excluded.

This approach prioritizes specificity over sensitivity.

It aims to minimize the chances of hiring unqualified or unsuitable candidates (Type I error) but may inadvertently lead to missing out on potentially excellent candidates (Type II error).

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Mica, a minor, signs a contract to pay National Fitness Club a monthly fee for twenty-four months to use its facilities. Six months later, after reaching the age of majority, Mica continues to use the club. This act is ratification.

Mica's consistent utilization of the club's amenities and covering the monthly expense as an adult is, in essence, an acknowledgment and acknowledgment of the agreement that was initially established when they were underage.

Also, if a contract is made with a person under the age of majority, it is deemed as voidable, which implies that the minor can choose to nullify or terminate the contract without incurring any legal obligations.

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Answer:

12

Step-by-step explanation:

Answer:

1) 12 boxes

2) 3, 6, 12

3) 12

4) 110 degrees

Step-by-step explanation:

1) Count the rectangles. Multiply the length of the rectangle in boxes to the width of rectangle in boxes.

Length: 4 boxes

Width: 3 boxes

4 x 3 = 12

12 boxes

2)

10% of 30 is 0.1 times 30.

0.1 x 30 = 30/10 = 3

20% of 30 is 0.2 times 20.

0.2 x 30 = 30/5 = 6

40% of 30 is 0.4 times 20.

0.4 x 30 = 30/2.5 = 12

3) Count the cubes. Reminder there are 2 boxes you cannot see.

Top Layer: 2

Middle Layer: 4

Back Bottom Layer: 4

Front Bottom Layer: 2

2 + 4 + 4 + 2 = 12

4) I cannot see the semicircle clearly, but I do know that a circle is 360 degrees. A semicircle, half of a circle, is 180 degrees.

180/18 (The angle of each section)

10

11 Sections

10 x 11 = 110