An evaluation of the effects of COVID-19 on work efficiency and effectivity based on societal pressure and anxiety among health workers
A. Cross-sectional survey
B. Randomized controlled trials
C. Qualitative research
D. Cohort study
E. Case-control study

Answer:

4.36?   Sorry if I got this wrong hooman O////O

Answer:

4.36

Step-by-step explanation:

Use the squares of numbers to help you and find the square root of perfect squares closest to 19 4.35889894354 is the original continuous answer.

the base of the triangular window is 24 feet and the height is 10 feet.

Let's denote the height of the triangular window as h feet. According to the given information, the area of the window is 120 square feet.

The formula to calculate the area of a triangle is:

Area = (1/2) × base × height

In this case, we can write the equation as:

120 = (1/2) × base × h

Now, we are also given that the base of the window is 4 feet more than twice the height. So we can express the base as:

base = 2h + 4

Substituting this expression for the base into the area equation, we have:

120 = (1/2) × (2h + 4) × h

Now we can solve this equation for the height.

Multiplying both sides of the equation by 2 to remove the fraction:

240 = (2h + 4) × h

Expanding the right-hand side:

240 = 2h² + 4h

Rearranging the equation and setting it equal to zero:

2h² + 4h - 240 = 0

Now we can solve this quadratic equation. Factoring out a 2:

2(h² + 2h - 120) = 0

Factoring the quadratic expression inside the parentheses:

2(h + 12)(h - 10) = 0

Setting each factor equal to zero:

h + 12 = 0   or   h - 10 = 0

Solving these equations, we get:

h = -12   or   h = 10

Since height cannot be negative in this context, we discard the negative value. Therefore, the height of the triangular window is h = 10 feet.

Substituting the height value back into the expression for the base:

base = 2h + 4

    = 2(10) + 4

    = 20 + 4

    = 24

Therefore, the base of the triangular window is 24 feet and the height is 10 feet.

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Compute the above expression to find the balance in the account after 3 years.

What is Balance?

Balance refers to the amount of money or value in an account or financial statement. It represents the remaining funds or assets after deducting any liabilities, expenses, or withdrawals. In the context of banking or personal finance, the balance is the total amount of money available in an account at a specific point in time.

To compute the balance in the account after a specified period of time using compound interest, we can use the formula:

\(A = P(1 + r/n)^(nt),\)

where:

A is the final account balance,

P is the principal amount (initial investment),

r is the annual interest rate (expressed as a decimal),

n is the number of compounding periods per year,

t is the number of years.

For the first scenario:

Principal amount (P) = $15,000

Annual interest rate (r) = 6% = 0.06 (as a decimal)

Number of compounding periods per year (n) = 4 (quarterly compounding)

Number of years (t) = 8

Using the formula:

\(A = 15000(1 + 0.06/4)^(4*8)\)

Compute the above expression to find the balance in the account after 8 years.

For the second scenario:

Principal amount (P) = $23,000

Annual interest rate (r) = 5% = 0.05 (as a decimal)

Number of compounding periods per year (n) = 365 (daily compounding)

Number of years (t) = 3

Using the formula:

\(A = 23000(1 + 0.05/365)^(365*3)\)

Compute the above expression to find the balance in the account after 3 years.

Perform the calculations to obtain the final balances in the accounts after the specified periods of time, rounding to the nearest cent as needed.

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We can Long Division method to solve quotients step by step

What is long division method and its steps ?

When splitting huge numbers, the task is divided into several sequential parts using the long division approach. The dividend is divided by the divisor, just as in conventional division problems, and the result is known as the quotient; occasionally, it also produces a remainder.

We need to comprehend a few stages in order to divide. A vinculum or right parenthesis separates the dividend from the quotient, while a vertical bar separates the divisor from the dividend. Let's now go through the long division stages listed below to comprehend the procedure.

1. Take the dividend's first digit starting from the left . Verify if this digit exceeds or is equal to the divisor.

2. Next, divide it by the divisor, and write the result as the quotient on top.

3. Subtract the outcome from the digit, and then put the difference below.

Step 4: Decrease the dividend's subsequent digit (if present).

Step 5: Carry out Step 4 again.

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Answer:

adc

Step-by-step explanation:

The interest rate that would be required for Emma to end up with $2440 in her bank account is 6.8%

Given,

P = $720

A = $2440

t = 18 years.

r = n[(A/P)^1/nt - 1]

r = 12 × [(2440/720)¹/⁽¹²⁾¹⁸ - 1]

r = 0.06799764

Then convert r to R as a percentage.

R = r × 100

R = 0.06799764 × 100

R = 6.8%/year

Hence the rate of interest is 6.8%

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Answer:

Step-by-step explanation:

5y or 5x which ever one you see

Answer:

7.9

Step-by-step explanation:

Volume = side · side · side

∛496 = 7.915783219

Answer:

D, the rest are not true about the statement 7/3

Answer:

D. 7/3 = 7 x 1/3

Step-by-step explanation:

\(7 * \frac{1}{3} = \frac{7}{1} * \frac{1}{3} = \frac{7}{3}\)

There are 90 different outfits he can wear if he has to wear slacks and a shirt along with his 3 sport coats and 1 tie.

Here, we can use the multiplication principle of counting to determine the number of possible outfits a man can wear given that he must wear at least one pair of slacks and one shirt. Let us denote sport coats as A, B, and C; slacks as P1, P2, P3, P4, and P5; shirts as S1, S2, S3, S4, S5, and S6; and the tie as T.

Then, the number of outfits he can wear is given by the product of the number of choices for each item as follows: Total outfits = (Number of sport coats) × (Number of slacks) × (Number of shirts) × (Number of ties)= 3 × 5 × 6 × 1= 90. Differentiating between the cases where he wears only one shirt and one pair of slacks from those where he wears two or more of each is unnecessary because the problem statement requires that he wears at least one of each.

Therefore, we can calculate the total number of outfits directly using the multiplication principle of counting, which gives us the answer of 90 different outfits he can wear if he has to wear slacks and a shirt along with his 3 sport coats and 1 tie.

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Answer:

A. Yup. A.

Step-by-step explanation:

Answer:

a 1+- square root of 10

Step-by-step explanation:

subtract 3 set equation to zero then do quadratic formula break it down then you 2 square root of 10 over 2 divide to get square root of 10 by itself 2 divided by 2 is 1 therefore leaves 1 ^^.

Answer: 1,176 miles

Step-by-step explanation:

490 / 5 = 98 miles

98 mph X 12 hours is 1,176

Answer:

Jenny's pencil is 3.1 cm longer than Jill's pencil

Step-by-step explanation:

Given that Jill's pencil is 10 2/5 cm while jenny's pencil is 13.5 cm then to know how much longer jenny's pencil is than Jill's you apply subtraction.

Jenny's pencil length - Jill's pencil length

13.5 cm - 10.4 cm = 3.1 cm

9514 1404 393

Answer:

  3.1 cm

Step-by-step explanation:

The difference in lengths is ...

  13 5/10 - 10 4/10 = 3 1/10 . . . centimeters

Jenny's pencil is 3.1 cm longer than Jill's.

__

Comment on the subtraction

Above, we have converted both numbers to mixed numbers with a common denominator. You can just as easily convert both numbers to decimal values.

  10 2/5 = 10 4/10 = 10.4

Then 13.5 -10.4 = 3.1, as above.

__

The wording "how much longer is A than B?" means, "what is the difference A - B?" That difference is found by subtraction. Many graphing calculators will let you enter mixed numbers as part of an expression, so your calculator may be able to find this value for you.

The length of the second shelf is 114 centimetres.

Consider the four shelves as A, B, C and D. According to the question, the length of the four shelves is 2.5 cm.

A + B + C + D = 250 cm ( 1 m = 100 cm ⇒ 2.5 * 100 = 250 ) → 1  

The length of the second shelf is 18 cm longer than twice the length of the first shelf.

B = 2A + 18   →  i

The length of the third shelf is 12 cm shorter than the first shelf.

C = A - 12      →  ii

The length of the fourth shelf is 4 cm longer than the first shelf.

D =  A + 4      →  iii

Substitute i,ii and iii in 1  ⇒  A + B + C + D = 250  

A + 2A + 18 + A - 12 + A + 4 = 250

5A + 22 - 12 = 250

5A + 10 = 250

5A = 250 - 10

5A = 240

A = 240/5

A = 48

Substitute A = 48 in i, ii, iii and then we get,

B = 11, C = 36 and D = 52

Therefore, the length of the second shelf B is 114 cm.

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The complete question is

Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 centimetres longer than twice the length of the first shelf. The third shelf is 12 centimetres shorter than the first shelf. The remaining shelf is 4 centimetres longer than the first shelf. If Robert must use the entire 2.5 meter board for the shelves, what is the length of the second shelf, in centimetres?

By using the concept of interest, we can calculate the year in which the tuition will reach $10,000 as 2027

Interest is the extra money you pay for borrowing money or for an investment, and it accumulates over time.

In this case, the interest rate is 3%, so the total tuition increases by 3% each year. To calculate the year in which tuition will reach $10,000, we will need to use the following formula:

Interest = (principal × rate × time) / 100.

The principal is $8,000, the rate is 3%, and the time is the number of years it takes for the tuition to reach $10,000. Thus, the equation becomes:

Interest = (8000 × 0.03 × time) / 100.

We can solve for time by multiplying both sides of the equation by 100 and dividing by 240. This gives us the following result:

Time = ($10,000 - $8,000) / (0.03 × $8,000) = 4.17 years.

Therefore, the tuition will reach $10,000 in

(2023 + 4.17) = 2027

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Answer:

$86.35

Step-by-step explanation:

103.98

 17.63

 86.35

Answer:

p=103.98 + 17.63

Step-by-step explanation:

In order to find last weeks pay we must take this weeks pay and add the money that was cut from his check.

Answer:

3x + 5 = 23

Step-by-step explanation:

Let x represents the number of persons in her group.

Since she brings 3 markers for each person, then number of markers brought for persons in her group = 3x.

She brings 5 extra markers for each person to share.

Thus, total markers she brought is now;

3x + 5

She brought 23 markers in all.

Thus, equation that represents the information is;

3x + 5 = 23

Answer:

-3.75

Step-by-step explanation:

The table for the complete data is,

Item            price before tax        sale tax         price including tax

pillow                $8                          $0.58                   $8.58

blanket              $22                        $1.59                   $23.59

trash can            $14.50                    $1.051                 $15.551

The mandatory tax imposed on the whole value of the items sold is known as the sales tax. Depending on the type of products sold, different sales tax rates apply.

The final amount of sales tax is added to the sale price of the products in the invoice because it is a charge made to the consumer.

Given the sales tax rate is 7.25%.

sales tax rate = 0.0725

to find sales tax and price including tax,

sales tax = price before tax * sales tax rate

and price including tax = sales tax + price before tax

1:  price before tax = $8.00

sales tax = 8*0.0725

sales tax = $0.58

price including tax = 8.00 + .58 = $8.58

2:  price before tax = $22.00

sales tax = 22*0.0725

sales tax = $1.59

price including tax = 22.00 + 1.595 = $23.595

3:  price before tax = $14.50

sales tax = 14.50*0.0725

sales tax = $1.051

price including tax = 14.50 + 1.051 = $15.551

Hence the table is,

Item            price before tax        sale tax         price including tax

pillow                $8                          $0.58                   $8.58

blanket              $22                        $1.59                   $23.59

trash can            $14.50                    $1.051                 $15.551

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The complete question is in image attached,

a. The greatest number of packages the teacher can make using all the paintbrushes and paint is 8

b. The number of paintbrushes in each package would be 3 and the number of tubes of paints would be 5

In order to determine the greatest number of packages the teacher can make using all the paintbrushes and paint, we have to determine the highest common factor of the number of brushes and the number of tubes of paint

Highest common factor is the highest factor that is common to two or more numbers:

Factors of 24 = 1,2,3,4,6,8,12 and 24

Factors of 40 = 1, 2, 4, 5, 8, 10, 20 and 40.

Common factors of 24 and 40 = 1, 2, 4, 8

Therefore, the highest common factor is 8.

The number of paintbrushes in each package:

= Number of brushes / number of package

= 24/8

= 3 brushes

The number of tubes of paint:

= number of tubes of paints / number of package

= 40 / 8

= 5 tubes of paints

Full question "An art teacher is making packages of paint brushes and paint for his. He has 24 brushes and 40 tubes of paint. Each package will have the same number An art teacher is making packages of paintbrushes and paint for his students. of brushes and the same number of tubes of paint. Part a. What is the greatest number of packages that the art teacher can make using all the paintbrushes and paint? Show your work Part b. How many paintbrushes and tubes of paint are in each package?​".

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Answer:

5 words per minute.

Step-by-step explanation:

Everett types 25 words per minute, and Jacob types 20 words per minute.

The given statement "a rational expression is undefined if the numerator is zero" is false because a rational expression is undefined if the denominator is zero, not the numerator.

When the denominator of a rational expression becomes zero, the expression becomes undefined because division by zero is not defined in mathematics.

If the numerator of a rational expression is zero, it does not make the expression undefined. Instead, it results in the value of the expression being zero, regardless of the value of the denominator.

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Answer: 1485 dollars

Step-by-step explanation:

She earns 44 dollars per week and one additional dollar for each book that she sells. She sells 33 books.

First, you do 33x1=33 dollars for selling 33 books

Then you do 44+1=45 for the 1 additional dollar she gets for selling books.

Lastly, you do 45x33. If you break it down (45x30=1350) and (45x3=135). 1350+135= 1485 dollars

                                          Hope this helps!

9514 1404 393

Answer:

  (b)  g, h, f

Step-by-step explanation:

The larger the magnitude of the vertical scale factor, the quicker the graph takes on higher values. That makes its appearance narrower.

Here, you want to list the functions in decreasing order of vertical scale factor:

  g(x) . . . scale factor 4

  h(x) . . . scale factor 2

  f(x) . . . scale factor 1/3

The car will average 15 mpg when it is going at a speed of approximately 74 miles per hour. The answer is d. 73, which is the closest whole number to 74.

We are given that the gas mileage of the car fits the model y = 43.81 - 0.395x when the car is going more than 38 miles per hour. Here, x is the speed of the car in miles per hour and y is the miles per gallon (mpg) of gasoline.

We are asked to find the speed at which the car will average 15 mpg. Let's substitute y = 15 in the above model and solve for x:

15 = 43.81 - 0.395x

Subtracting 43.81 from both sides and dividing by -0.395 gives:

x = (43.81 - 15) / 0.395 = 74.18

Rounding this to the nearest whole number, we get:

x ≈ 74

Therefore, the car will average 15 mpg when it is going at a speed of approximately 74 miles per hour. The answer is d. 73, which is the closest whole number to 74.

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Answer:

Exponential decay

Step-by-step explanation:

The general form of an exponential function is

\(P=P_{0}a^t\), where P0 is the initial value, a is the base, and t is the exponent.

In your example, P0 is 1 and a is 4/5.

A function is experiencing exponential growth when a > 1.

A function is experiencing exponential decay when 0 < a < 1.

4/5 lies between 0 and 1, so the function is experiencing exponential decay.

Answer:

6 <y

Step-by-step explanation:

12 > 18 – y

Subtract 18 from each side

12-18 > 18-18 – y

-6 > -y

Divide each side by -1, remembering to flip the inequality

-6/-1 < -y-1

6 <y

Answer: y = 6

Simplify both sides of the equation.

12> −y + 18

Flip around the equation.

-y + 18 - 18 < 12 - 18

Divide both sides by 1.

\(\frac{-y}{-1}\) < \(\frac{-6}{-1}\)

y > 6

Answer:

400cm²

Step-by-step explanation:

the surface area of the sphere =

4/3 x The total surface area of a hemisphere

=> 4/3 x 300 = 400cm²

Answer:

11

Step-by-step explanation:

all you gotta do is subtract q3 from q1, in this case it's 15-4=11