Anyoneeeee helppppp plssssss

Answer:

27 is 30% of what number?

D. 90

Step-by-step explanation:

You're welcome.

The maximum length of each prism is equal to 7.99 centimeter.

Maximum surface area = 275 square centimeter (cm²).

Given, Light fixtures of regular hexagonal prism .

Determine the maximum surface area of this regular hexagonal prism by using this mathematical expression:

Maximum surface area (quantity) = Cost/unit price

Maximum surface area (quantity) = $11/$0.04

Maximum surface area (quantity) = 275 square centimeter (cm²).

Mathematically, the surface area of a regular hexagonal prism can be calculated by using this formula:

\(A = 6al + 3\sqrt{3} a^2\)

Where:

A represents the surface area of a regular hexagonal prism.

a represents the edge length (apothem) of a regular hexagonal prism.

l represents the length of a regular hexagonal prism.

Substituting the given parameters into the formula, we have;

\(275 = 6 \times 4l + (3\sqrt{3} \times 4^2)\)

\(275 = 24l + 48\sqrt{3} \\24l = 275 - 48\sqrt{3}\\ 24l = 191.8616\\l = 191.8616/24\)

Length, l = 7.99 centimeter.

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Answer:

4.3

Step-by-step explanation:

final velocity(v)= 26 m/s

time(t)= 6s

now,

Avg accleration = v/t

=26/6

=4.3

Answer:

16

Step-by-step explanation:

\(\frac{x^{2} }{y^{-1} }\)

\(\frac{(-2)^{2} }{4^{-1} }\)  To make the exponent positive in the denominator, you put it in the numerator.

\((-2)^{2}\)· \(4^{1}\)

4 ·4 = 16

To obtain the residuals from the fit in 8.4a and plot them against y and x, as well as prepare a normal plot, we need the specific details of the fit and the data used.

WE know that residuals represent the differences between the observed values and the predicted values from a statistical model or regression analysis.

Since the residuals against y and x can help identify patterns or trends in the data that may indicate issues with the model's fit.

A normal plot, known as a Q-Q plot, compares the distribution of the residuals to a theoretical normal distribution. If the residuals closely follow a straight line in the normal plot, the residuals are normally distributed, which is an assumption of many statistical models.

Interpreting these plots involves examining the patterns and deviations from expected behavior. If the residuals exhibit a consistent pattern, it might indicate that the model does not capture all the relevant information in the data.

Thus if the residuals appear randomly scattered around zero with no discernible pattern, it suggests that the model adequately explains the data. Deviations in the normal plot may indicate departures from the assumption of normality in the residuals, which could impact the reliability of statistical inferences.

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9514 1404 393

Answer:

  c ≈ 4.69

Step-by-step explanation:

The Law of Cosines is used for the purpose. It tells you ...

  c² = a² +b² -2ab·cos(C)

  c² = 5² +7² -2·5·7·cos(42°) ≈ 21.9799

  c ≈ √21.9799 ≈ 4.688

The measure of side c is about 4.69 units.

The value of the given expressions √-16 * √-25 and √-40 * √-10 in terms of i are -20 and -20i√10, respectively.

We need to write each expression in terms of i and simplify it as given below;

1) Expression: √-16 * √-25.

The square root of -16 is √-16 = √(16) * √(-1)

= 4i

The square root of -25 is √-25 = √(25) * √(-1)

= 5i

Multiplying both gives;√-16 * √-25 = 4i *

5i= 20i²

But, i² = -1.

Therefore, 20i² = 20(-1)

= -202)

Expression: √-40 * √-10

The square root of -40 is √-40

= √(4) * √(10) * √(-1)

= 2i√10.

The square root of -10 is √-10 = √(10) * √(-1)

= √10i.

Multiplying both gives;√-40 * √-10 = 2i√10 * √10i

= 2i * 10 *

i= 20i².

But, i² = -1.

Therefore, 20i² = 20(-1)

= -20.

Hence, the value of the given expressions √-16 * √-25 and √-40 * √-10 in terms of i are -20 and -20i√10, respectively.

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Part a:  What quantity order size would minimize the total annual inventory cost? Total Annual Inventory Cost = Annual Ordering Cost + Annual Carrying Cost At minimum Total Annual Inventory Cost, the formula for the Economic Order Quantity (EOQ) is used. EOQ formula is given below: EOQ = sqrt((2DS)/H)Where, D = Annual DemandS = Ordering cost

The company should place an order for 168 boxes at a time in order to minimize the total annual inventory cost.Part b: Determine the minimum total annual inventory cost.Using the EOQ, the company can calculate the minimum total annual inventory cost. The Total Annual Inventory Cost formula is:Total Annual Inventory Cost = Annual Ordering Cost + Annual Carrying CostAnnual Ordering Cost = (D/EOQ) × S = (16,800/168) × $60 = $6,000Annual Carrying Cost = (EOQ/2) × H = (168/2) × $30 = $2,520Total Annual Inventory Cost = $6,000 + $2,520 = $8,520Therefore, the minimum Total Annual Inventory Cost would be $8,520.Part c: Would you recommend the manager to use your quantity from part (a) rather than 300 boxes? Justify your answer (by determining the total annual inventory cost for 300 boxes)

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The correct answer is option B) £.6159/Can$, is the £/Can$ cross-rate.

The given spot rate for the British pound and the Canadian dollar is used to calculate the £/Can$ cross-rate.

The steps are outlined below:

Step 1: Find the dollar value of the pound and the dollar value of the Canadian dollar:

£.7277 = $1Can$1.1815 = $1

Step 2: Divide the dollar value of the pound by the dollar value of the Canadian dollar to obtain the £/Can$ cross-rate:

£.7277/$1 ÷ Can$1.1815/$1= £.6159/Can$

Thus, the correct answer is option B) £.6159/Can$.

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Answer:

Step-by-step explanation:

You want to know whether a $25 deposit or a $40 withdrawal will result in a greater amount in bank accounts starting from the same amount. You want to know which transaction is the bigger change.

A deposit will increase the amount in the account, and a withdrawal will decrease it. The account with a $25 increase will have more money than the account decreased by $40, when they start with the same amount.

Ben's account has more money, choice A.

The amount the account value changed with the $25 deposit is $25. The amount the account value changed with the $40 withdrawal is $40. The withdrawal causes a larger change in the balance.

Huong's withdrawal represents a bigger change.

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Answer:

Linear

Step-by-step explanation:

Linear means the graph is a straight line. If you plot the points, the line will be straight, therefore it is linear.

In the 1984 domestic violence study conducted by Sherman and Berk, the ethical concern was that they potentially withheld a beneficial treatment.

The domestic violence study conducted by Sherman and Berk in 1984 raised an ethical concern in that they financially profited from the research. This raises the question of whether their motives were purely altruistic or whether they were driven by financial gain. Additionally, the study did not adhere to special protections for vulnerable populations such as women and children who may have been victims of domestic violence. This raises concerns about the validity and generalizability of the study's findings. Furthermore, the study potentially withheld a beneficial treatment, which raises questions about the ethical responsibility of researchers to ensure that their subjects receive the best possible care. Finally, there are also concerns that the researchers may have deceived their subjects, which raises questions about the integrity and transparency of the research process. In conclusion, the ethical concerns raised by this study highlight the need for researchers to carefully consider the impact of their research on vulnerable populations and to ensure that they adhere to the highest ethical standards.
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Answer:

29 miles

Step-by-step explanation:

116 divided by 4

Answer: 29 mph

Hope this helps :)

Answer:

i think the answer is -5

Step-by-step explanation:

Answer:

f(3) = -11

f(-5) = 37

Step-by-step explanation:

f(x) = -6x + 7

We want to find f(3) and f(-5)

To do so we substitute the input with any x in the equation and evaluate.

f(3) = -6x + 7

==> substitute all x's with the input, 3

f(3) = -6(3) + 7

==> multiply -6 and 3

f(3) = -18 + 7

==> add -18 and 7

f(3) = -11

f(-5) = -6x + 7

==> substitute all x's with the input -5

f(-5) = -6(-5) + 7

==> multiply -6 and -5

f(-5) = 30 + 7

==> add 30 and 7

f(-5) = 37

Answer:  t = 10m

Step-by-step explanation:

We know the lengths of the two legs, but not the length of the hypotenuse.  To calculate this, we use the Pythagorean Theorem: a^2 + b^2 = c^2.

So (6)^2 + (8)^2 = (t)^2

36 + 64 = t^2

100 = t^2

sqrt (100) = sqrt (t^2)

t = 10

*sqrt = square root

Answer:

B is 88 and C is 44

Step-by-step explanation:

I know I am right and I did the math

Answer:

D. y = cos(4x)

Step-by-step explanation:

The graph passes through the points y = 0 and x = 3π/8

So you solve x = 3π/8 into 4 answers, which is equal to 0 is the correct answer.

Answer:

the answer is A because you can know

Answer:

Step-by-step explanation:

8/9    8 is a cube but 9 is not.  8/9 is not a cube

27      27 = 3^3, a perfect cube

30      Not a cube

8/27   Both 8 and 27 are perfect cubes, and so 8/27 is one also.

1/27    This is equivalent to 1^3 / 3^3 and is a perfect cube.

27/64  Both 27 and 64 are perfect cubes, so 27/64 is one also

64        64 = 4^3, a perfect cube

1/9        9 is not a cube, so 1/9 is not one either.

The median for the given sample of data is A. 20.

To find the median for the given sample of data, we need to arrange the numbers in ascending order and then find the middle value.

Arranging the numbers in ascending order: 16, 17, 18, 18, 19, 19, 21, 22, 22, 23, 25

There are 11 numbers in the sample, so the middle value is the (11 + 1) / 2 = 6th value.

The 6th value in the ordered list is 19.

Therefore, the median for this sample of data is A. 20.

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Answer:

Hey,

\( \rm \: =6x^2+19x+10\)

Step-by-step explanation:

=(2x+5)(3x+2)

=(2x)(3x)+(2x)(2)+(5)(3x)+(5)(2)

=6x^2+4x+15x+10

=6x^2+19x+10(ANS)

Answer:

The answer is 6x^2+19x+10

Step-by-step explanation:

In the given scenario ladder is 6.52 feet long.

Given that,

The angle between ground and ladder = 62 degree

The distance of ladder from ground and ladder = 3 feet

We have to find the length of  ladder.

Since we know that,

The trigonometric ratio

cosθ = adjacent/ Hypotenuse

Here we have,

Adjacent =  3 feet

Hypotenuse = length of ladder

Thus to find the length of ladder we have to find the value of hypotenuse.

Therefore,

⇒ cos62 = 3/ Hypotenuse

⇒    0.46 = 3/ Hypotenuse

⇒ Hypotenuse =  3/0.46

                          = 6.52

Thus,

length of ladder  = 6.52 feet.

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361 light bulbs out of the 755 will last over 1330 hours

Here, we want to calculate the expected number of bulbs

The first thing we have to do here is to calculate the z-score

We have this as follows;

Now, we have to calculate the probability that is equal to this z-score

So, the probability we want to calculate is that which is greater than the calculated z-score

We are going to use the standard normal distribution table here

By using the table, we have the equivalent probability as 0.47823 (about 48%)

So, out of the 755 freshly installed light bulbs, 47.823% will last more than 1330 hours

The exact number that will last will be;

Answer:

D

Step-by-step explanation:

graph it

Answer:

The solution of the equation 4x + 2y = 6 and x − y = 3 will be D. (2, –1)

Step-by-step explanation:

4x + 2y = 6 ....… (1)

x − y = 3 …..... (2)

Example, for equation 2 is:

x - y = 3

x = 3 + y

Put in equation 1:

4(y + 3) + 2y = 6

4y + 12 + 2y = 6

6y = -6

y = -6/6

y = -1

We have the value of y, then the value of x will be:

x = 3 + y

= 3 + (-1)

= 3 - 1

= 2

So, the solution of the equation 4x + 2y = 6 and x − y = 3 will be (2, –1)

The expression is 14 - 14.

Subtraction is a mathematical operation that is used to determine the difference between two or more numbers. The sign used to depict subtraction is -. Other mathematical operations are addition, multiplication and division.

In order to determine the expression for the amount of gas left, we need to subtract the gas bought from the gas used: 14 - 14

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Answer:

b

Step-by-step explanation:

Since it intercepts y at 4, and x at 2, we use y=ax+b and rearrange to get the equation from y=2x+4 to 2x-y=-4

Answer:

b) 2x - y = -4

Step-by-step explanation:

The y-intercept is the y-coordinate of the point (0, b) where the graph crosses the y-axis. It is also the value of y when x = 0.

The crosses the y-axis at point (0, 4). Therefore, the y-intercept, b = 4.

Next, we need to determine which of the given options matches the graph.  It helps to transform each of them into their slope-intercept form, y = mx +b:

2x - 2x + y = - 2x + 4

y = -2x + 4  (This is not the correct answer because the slope, m = -2. The given graph has a positive slope).

2x - 2x - y = - 2x - 4

-y = -2x - 4

Divide both sides by -1:

\(\frac{-y}{-1} = \frac{-2x - 4}{-1}\)

y = 2x + 4 This is the correct answer because it matches the y-intercept (0, 4), and has a positive slope of 2.

We could easily disregard the last two options because both of their y-intercept is 0.

Therefore, the correct answer is Option b) 2x - y = - 4

Answer:

g(x) =1

x-1

it's either g(x) or f(x)