Help! Please! I need help

Answer:

-15

Step-by-step explanation:

First you want to make the -9 into positive because 2 negitives next to eachother equals a positve and them you add together to get 5=x. Lastly you times 5 by -3 to get -15

Answer:

affixwritersgmaicom

APP 447520635495

Answer:

Length: 10 m

Width: 6 m

Step-by-step explanation:

The layout of the floor is l x w, which is 100 cm by 60 cm. Now, the confusing part: 1 meter (m) = 10 centimeters (cm)

To set this problem up, you'd first have to go through the logic. For every 10 centimeters of the floor layout, it is equal to 1 meter of the actualy floor plan. So you would have to scale 100 cm and 60 cm by \(\frac{1}{10}\) (or divide by 10).

We will ignore the units, for now

Length: 100 * \(\frac{1}{10}\) = 10    or    (100/10 = 10)

Width: 60 * \(\frac{1}{10}\) = 6       or    (60/10 = 6)

Now that we've finalized the numerical value, lets move on to the units. Since the question wants us to respond in meters, the length of 10 and the width 6 6 would be in meters.

So the answer would be:

Length: 10 m

Width: 6 m

Hope this helped!

ok

I'll write some possible numbers, hold on

These numbers are divided by 2

56 58 60

62 64 66 68 70

72 74 76 78 80

82 84 86 88 90

92 94 96 98 100

Numbers divided by 8

56 64 72

80 88 96

Numbers divided by 16

64 80 96

Numbers that are multiple of the three numbers are: 64, 80, 96

Answer:

352 lbs is correct

Step-by-step explanation:

They did estimate correctly. for how to do this look below:

So we have a elephant that gains 22 pounds every week and they estimated that at 16 week she would be at 352 lbs

22 which was current pounds at the time and she would keep gaining that every week for 16 weeks

So weight times weeks

22*16

22*16= 352

Hope this helps!

Answer:

=\begin{pmatrix}294&168\end{pmatrix}

Step-by-step explanation:=\begin{pmatrix}294&168\end{pmatrix}

The equation that can be solved to determine x, the number of hours after which the costs would be the same is; 50x + 250 = 75x + 100

The general formula for the slope intercept form of an equation is;

y = mx + c

We are told that;

Charge per hour = $50

Ownership rights = $250

Thus, for the first company, total cost is;

y = 50x + 250

For the second company;

Total cost is;

y = 75x + 100

Thus, at same cost, we have;

50x + 250 = 75x + 100

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Answer:

50x + 250 = 75x + 100

Step-by-step explanation:

I did the test

Do you have any answer choices? That would help a lot.

The estimated number of stations selling gas for no more than $2.013 is approximately 0.1772 times 75, which is about 13.29, rounded to the nearest whole number, or 13.

To find the percentage of gas stations that sell a gallon of regular gas for less than $1.973, we need to standardize this value using the formula z = (x - mu) / sigma, where x is the value of interest, mu is the mean, and sigma is the standard deviation.

Thus, z = (1.973 - 2.05) / 0.04 = -1.925. Using a standard normal distribution table or calculator, we find that the percentage of gas stations selling gas for less than $1.973 is about 2.28%.

To find the percentage of gas stations selling gas for at least $2.17, we again standardize the value using z = (x - mu) / sigma. Thus, z = (2.17 - 2.05) / 0.04 = 3.00.

Using a standard normal distribution table or calculator, we find that the percentage of gas stations selling gas for at least $2.17 is about 0.14%.

To find the probability that a gas station sells gas for less than $1.97 or greater than $2.05, we need to calculate the z-scores for both values and use the standard normal distribution table or calculator to find the probabilities. Thus, z1 = (1.97 - 2.05) / 0.04 = -2.00 and z2 = (2.05 - 2.05) / 0.04 = 0.00.

The probability of a gas station selling gas for less than $1.97 is about 0.0228, and the probability of selling gas for greater than $2.05 is about 0.5. Therefore, the probability of selling gas for less than $1.97 or greater than $2.05 is approximately 0.0228 + 0.5 = 0.5228.

To estimate the number of stations selling gas for no more than $2.013, we need to standardize this value using the z-score formula and then use the standard normal distribution table or calculator to find the probability.

Thus, z = (2.013 - 2.05) / 0.04 = -0.925. Using a standard normal distribution table or calculator, we find that the probability of selling gas for no more than $2.013 is about 0.1772. Therefore, the estimated number of stations selling gas for no more than $2.013 is approximately 0.1772 times 75, which is about 13.29, rounded to the nearest whole number, or 13.

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About 2.74% of gas stations sell a gallon of regular gas for less than $1.973.

About 0.13% of gas stations sell a gallon of regular gas for at least $2.17.

The probability that a gas station sells a gallon of regular gas for less than $1.97 or greater than $2.05 is 2.28% + 50% = 52.28%.

About 17.88% of gas stations sell a gallon of regular gas for no more than $2.013, which is approximately 0.1788 x 75 = 13.41 or about 13 stations.

a) We need to find the area to the left of $1.973. z-score for $1.973 is given by:

z = (x - μ) / σ = (1.973 - 2.05) / 0.04 = -1.925

Using a standard normal table or calculator, we can find that the area to the left of z = -1.925 is 0.0274 or 2.74%.

b) We need to find the area to the right of $2.17. z-score for $2.17 is given by:

z = (x - μ) / σ = (2.17 - 2.05) / 0.04 = 3

Using a standard normal table or calculator, we can find that the area to the right of z = 3 is 0.0013 or 0.13%.

c) We need to find the area to the left of $1.97 and the area to the right of $2.05, and add them up. z-scores for $1.97 and $2.05 are given by:

z1 = (x1 - μ) / σ = (1.97 - 2.05) / 0.04 = -2

z2 = (x2 - μ) / σ = (2.05 - 2.05) / 0.04 = 0

Using a standard normal table or calculator, we can find that the area to the left of z = -2 is 0.0228 or 2.28%, and the area to the right of z = 0 is 0.5 or 50%.

d) z-score for $2.013 is given by:

z = (x - μ) / σ = (2.013 - 2.05) / 0.04 = -0.925

Using a standard normal table or calculator, we can find that the area to the left of z = -0.925 is 0.1788 or 17.88%.

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Four numbers forming a geometric sequence such that the second term is 35 less than the first term and the third term is 560 more than the fourth term are -35/3, -140/3, - 560/3, -2240/3 and 7, -28, 112, - 448  

Four numbers forming a geometric sequence can be calculate as follows

these terms: a₁, a₂, a₃, a₄

a₁ = a₂ + 35

a₃ = a₄ + 560

Use the formula for the n-term:

a₂ = a₁r

a₃ = a₁r²

a₄ = a₁r³

replace

a₁ = a₁r + 35 ⇒ a₁(1 - r) = 35

a₁r² = a₁r³ + 560  ⇒ a₁(1 - r)r² = 560

Subtracting from the first equation to  the second:

r² = 560/35

r² = 16

r = √16

r = ± 4

Use the first equation to find the first term:

a₁( 1 ± 4) = 35

1. a₁ = 35/-3 = -35/3

2. a₁ = 35/5 = 7

We have two sequences:

r = 4

-35/3, -140/3, - 560/3, -2240/3

r = -4

7, -28, 112, - 448  

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Answer:

60x+96

Step-by-step explanation:

4x^2= 16x

16x+44x+96

60x+96

ur welcome lol

In general, different refrigerants should not be mixed or recovered into the same cylinder.

Different refrigerants have unique chemical compositions and properties that make them incompatible with one another. Mixing different refrigerants can lead to unpredictable reactions, loss of refrigerant performance, and potential safety hazards. Therefore, it is generally recommended to avoid recovering different refrigerants into the same cylinder.

When recovering refrigerants, it is important to use separate recovery cylinders or tanks for each specific refrigerant type. This ensures that the refrigerants can be properly identified, stored, and recycled or disposed of in accordance with regulations and environmental guidelines.

The refrigerant recovery process involves capturing and removing refrigerant from a system, storing it temporarily in dedicated containers, and then transferring it to a proper recovery or recycling facility. Proper identification and segregation of refrigerants during the recovery process help maintain the integrity of each refrigerant type and prevent contamination or cross-contamination.

To maintain the integrity and safety of different refrigerants, it is best practice to recover each refrigerant into separate cylinders. Mixing different refrigerants in the same cylinder can lead to complications and should be avoided. Following proper refrigerant recovery procedures and guidelines helps ensure the efficient and environmentally responsible management of refrigerants.

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The number of different refrigerants that may be recovered into the same cylinder is zero.

When it comes to refrigerants, it is important to understand that different refrigerants should not be mixed together. Each refrigerant has its own unique properties and should be handled and stored separately. mixing refrigerants can lead to chemical reactions and potential safety hazards.

The recovery process involves removing refrigerants from a system and storing them in a cylinder for proper disposal or reuse. During the recovery process, it is crucial to ensure that only one type of refrigerant is being recovered into a cylinder to avoid contamination or mixing.

Therefore, the number of different refrigerants that may be recovered into the same cylinder is zero. It is essential to keep different refrigerants separate to maintain their integrity and prevent any adverse reactions.

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Answer:

yes

Step-by-step explanation:

Answer:

no

Step-by-step explanation:

32+16y=2+y

8(4+2y)=16+y

Answer:

The minimum number of different rooms for accommodating 390 classes if there are 10 different time periods is 39

Step-by-step explanation:

Number of time periods = 10

Number of Classes = 390

Now, if we have a single room, then we can accommodate 10 classes

if we have 2 rooms, we can accommodate (10)(2) = 20 classes

and so on

so we have the relation,

(number of rooms)(number of time periods) = (number of classes that can be accommodated)

We need to find the number of rooms for 390 classes, given that number of time periods is 10, so we get,

(number of rooms)(10) = 390

number of rooms = 390/10

number of rooms =39

Answer:

A = (1, 10)

B = (4,10)

C = (4, 14)

D = (1, 16)

Step-by-step explanation:

Okay, so first, we move, or translate the quadrilateral PQRS down -8 spaces on the graph, turning old points:

P (1, -2) = (1, -10)     Q (4, -2) = (4, - 10)     S (1, -8) = (1, -16)     and R (4, -6) = (4, -14)

Now, we need to rotate this new box into -x, y. So our new points are:

(1, -10) = (-1, 10)     (4, -10) = (-4, 10)     (1, -16) = (-1, 16)     and (4,-14) = (-4, 14)

Now we're reflecting off the y-axis, making our x change. So for our final points:

A(1, 10)   B (4,10)    D(1, 16)    and C(4, 14)

Hope this helps! Please check my math and comment wether this worked or not! :)

Answer:

hi

Step-by-step explanation:

The radius of the container is then r = 1 in. and the height is h = 12.15 in.

The volume of a right circular cylinder is given by the formula V = πr^2h, where r is the radius, h is the height, and π is a constant approximately equal to 3.14. We are given that V = 38 in.3, so we can write the equation 38 = πr²h. To minimize the amount of metal used, we want to minimize either the radius or the height (since the volume is fixed). Since h is squared in the formula, it is more effective to minimize the radius.

If we let r = 1, then the equation becomes 38 = π(1)²h, or 38 = πh. Solving for h, we get h = 38/π ≈ 12.15.

Thus, the radius of the container is then r = 1 in. and the height is h = 12.15 in.

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Complete question :

Stephanie has six identical gift boxes to wrap. Each box is a cube that measures 6 inches on each side. She would like to wrap them all using the same gift wrapping paper. The roll of wrapping paper she has is 30 inches wide and 10 feet long.

Answer:

Left over = 2292 in²

Step-by-step explanation:

Given that :

Gift boxes are identical ;

Each gift box is a cube with side length, s = 6 inches

Area of gift box, Surface area of a cube = 6s²

Area = 6(6²) = 6 * 36 = 216 in²

Area of one gift box = 216 in²

6 gift boxes will be : 216 in² * 6 = 1296 in²

Allowing 2 inches to cover for overlap in each box : 2 inches * 6 = 12 in²

Dimension of wrapping paper = 30 inches by 10 feets

Recall :

1 Feet = 12 inches

Hence ; dimension of wrapping paper becomes :

30 inches by (10*12) inches

30 inches by 120 inches

Area of wrapping paper = 30 * 120 = 3600 in²

Total area of paper - area of gifbox - area of overlap

(3600 - 1296 - 12) in²

= 2292 in²

Leftover = 2292 in²

The given matrix has one eigenvalue, which is λ = 0. The eigenspace corresponding to this eigenvalue is the entire 4-dimensional vector space.

The given matrix is a 1x4 matrix, and it represents a linear transformation on a 4-dimensional vector space. To find the eigenvalues and eigenspaces, we need to compute the characteristic polynomial and solve for its roots.

The characteristic polynomial of a 1x4 matrix can be obtained by subtracting λ (the eigenvalue) from the diagonal element, which in this case is 0. Therefore, the characteristic polynomial is p(λ) = -λ.

To find the eigenvalues, we solve the equation p(λ) = 0, which gives us -λ = 0. Thus, the only eigenvalue of the given matrix is λ = 0.

Since the eigenvalue is 0, the corresponding eigenspace consists of all vectors that are mapped to the zero vector by the linear transformation. In this case, any vector in the 4-dimensional vector space is mapped to the zero vector. Therefore, the eigenspace associated with the eigenvalue 0 is the entire 4-dimensional vector space.

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The mass of a 2018 Olympic gold medal in hectograms is 58.6 hg.

First, we need to know the mass of the Olympic gold medal in grams. According to the question, the mass of an Olympic gold medal is 586 grams.

To convert grams to hectograms, we need to divide the mass in grams by 100. This is because there are 100 grams in 1 hectogram.

To do the division, we can use a calculator. Dividing 586 by 100 gives us 5.86.

The answer we get is in hectograms, so we can write it as 5.86 hg. This means that the mass of a 2018 Olympic gold medal is 5.86 hectograms.

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The radian measure of the angle at the center of the circle is approximately 1.6623 radians.

We are given that the radius of the circle is 77.0 cm and the length of the intercepted arc is 128 cm. We need to find the radian measure of the angle at the center of the circle.

To solve this problem, we use the formula relating the angle at the center of a circle, the radius of the circle, and the arc length intercepted by the angle.

The formula is given byθ = s/rwhereθ = angle at the center of the circle in radians s = arc length intercepted by the angle r = radius of the circle Substituting the given values, we getθ = 128/77.0 = 1.6623 radians (rounded to four decimal places)

Therefore, the radian measure of the angle at the center of the circle is approximately 1.6623 radians.

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Answer:

I can't explain it so hope this helps. x

Step-by-step explanation:

The probability of a baby having a typical birth weight is unknown. Matteo falls at the 99.4th percentile, weighing 4.8 kg. Max, at the 90th percentile, weighs approximately 3.96 kg.

c. The z-score for a birth weight of 4.0 kg is 0.98, and for a birth weight of 2.5 kg, it is -1.64.  d. Matteo's birth weight of 4.8 kg falls at the 99.4th percentile, indicating that he is heavier than approximately 99.4% of newborns. e. To find Max's weight at the 90th percentile, we need to find the z-score corresponding to the 90th percentile, which is approximately 1.28. Using the z-score formula, we can calculate Max's weight as follows: weight = (z-score * standard deviation) + mean. Substituting the values, we get: weight = (1.28 * 0.55) + 3.41 = 3.96 kg.

c. To find the z-score, we use the formula: z = (x - mean) / standard deviation. For a birth weight of 4.0 kg, the z-score is (4.0 - 3.41) / 0.55 ≈ 0.98. For a birth weight of 2.5 kg, the z-score is (2.5 - 3.41) / 0.55 ≈ -1.64. These z-scores represent the number of standard deviations a given birth weight is away from the mean.

d. The percentile indicates the percentage of values below a given value. Matteo's birth weight falls at the 99.4th percentile, meaning that approximately 99.4% of newborns have a lower birth weight than him.

e. To find Max's weight corresponding to the 90th percentile, we need to find the z-score that corresponds to this percentile. Using a standard normal distribution table or a statistical calculator, we find that the z-score corresponding to the 90th percentile is approximately 1.28. We then use the z-score formula to calculate Max's weight: weight = (1.28 * 0.55) + 3.41 = 3.96 kg. Therefore, Max weighs approximately 3.96 kg.

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The probability you have a full-house (3 cards of one rank and 2 cards of another rank) 0.00144, or approximately 0.14%.

The probability of getting a full house in a 5 card poker hand is calculated by first finding the number of ways to select 3 cards of one rank and 2 cards of another rank, and then dividing that by the total number of possible 5 card poker hands.
The number of ways to select 3 cards of one rank is the number of ways to choose the rank (13 options), and then the number of ways to choose 3 cards from the 4 cards of that rank (4 options for each card).

So, there are 13 (4 choose 3) = 52 ways to select 3 cards of one rank.
Similarly, the number of ways to select 2 cards of another rank is the number of ways to choose the rank (12 options, since one rank has already been chosen), and then the number of ways to choose 2 cards from the 4 cards of that rank (4 options for each card). So, there are 12 * (4 choose 2) = 144 ways to select 2 cards of another rank.
Therefore, the total number of ways to get a full house is 52x144 = 7,488.
The total number of possible 5 card poker hands is the number of ways to select any 5 cards from a deck of 52 cards, which is (52 choose 5) = 2,598,960.
So, the probability of getting a full house is 7,488 / 2,598,960 = 0.00144, or approximately 0.14%.

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In the context of arrays and memory allocation, each array element occupies an area in memory next to, or contiguous to, the others.

Arrays are a fundamental data structure used to store and organize elements of the same data type in a linear arrangement. When an array is created, the memory is allocated contiguously, meaning that each element is stored in a sequential order, adjacent to the previous and the next element.

This contiguous memory allocation allows for efficient access and modification of array elements using their index, as the index is used to calculate the memory address of the desired element directly. The memory address of an element in the array can be computed using the base address, element size, and index of the array.

Contiguous memory allocation also has some drawbacks, such as the need for a continuous block of memory for large arrays, which may lead to memory fragmentation issues. Additionally, inserting or deleting elements in the middle of the array requires shifting the subsequent elements, which can be time-consuming for large arrays.

Overall, the contiguous memory allocation of array elements is crucial for efficient array operations and is an important concept to understand when working with arrays in programming languages.

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Multiplication operation is the inverse of the one in the given equation which is 9 = p/8.

What is an inverse?

The opposite of another operation is referred to as the "inverse" in mathematics. The operations that cancel out or are the opposite of one another are referred to as inverse operations. The work of a pair is reversed by an inverse operation.

We are given an equation as 9 = p/8.

In this equation,  we can see that the operation used is division.

We know that inverse of division is multiplication.

Hence, multiplication operation is the inverse of the one in the given equation.

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Answer:

C. Yes, there is an outlier at 110. This means that one person's age was 110, which is 25 years older than the next closest age.

Step-by-step explanation:

An outlier is a data point that sticks out like a sore thumb. It's so different from the rest of the data that it makes you wonder if it's a mistake or a miracle. One way to spot an outlier is to use the 1.5IQR rule, where IQR stands for interquartile range. The interquartile range is the gap between the third quartile (Q3) and the first quartile (Q1) of the data. The 1.5IQR rule says that any data point that is more than 1.5*IQR above Q3 or below Q1 is an outlier.

In this case, the first quartile (Q1) is 75, the third quartile (Q3) is 85, and the interquartile range (IQR) is 10. So, any data point that is more than 1.5*10 = 15 above 85 or below 75 is an outlier. The only data point that does this is 110, which is 25 above 85. That means 110 is an outlier.

What does this outlier mean in this situation? It means that one person who came to the senior center that afternoon was way older than the rest of the folks. The average age of the visitors was not changed by this outlier, since it was just one out of 12 data points. But, the outlier does mess up the range and the standard deviation of the data, making them bigger than they would be without the outlier.

Answer:The answer is C

Step-by-step explanation:I did the test.

The mean weight of certain sheets of wrapping paper is 10 g each.

The mean weight of the sheets of wrapping paper is given as 10 g each. This means that on average, each sheet weighs 10 grams. The standard deviation of the weight of the sheets is given as 0.05 g.

This indicates the degree of variability or spread in the weight of the sheets around the mean weight of 10 g. A standard deviation of 0.05 g suggests that most of the sheets will have a weight that is very close to 10 g, with only a few sheets having a weight that deviates significantly from the mean.

The mean weight of the sheets of wrapping paper can be used as a reference point for determining the weight of a particular sheet or for calculating the weight of a bundle of sheets.

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