all the questions answers

Answer:

3 3

Step-by-step explanation:

graph of a line passing through the points 0 comma 3 and 3 comma 1

The 10% condition when constructing a confidence interval for a population proportion states that the sample size should be less than 10% of the population size.

This is expressed mathematically as follows:

n/N < 0.10

Where n is the sample size and N is the population size. For example, if the population size is 500, then we must ensure that the sample size is less than 50 (500 x 0.10 = 50). This is because if the sample size is larger than 10% of the population size, then the confidence interval will not be reliable. In other words, the results of the confidence interval may be inaccurate and biased.

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Hey there!

Answer:

In the expression, 23 is the constant.

Hope this helps!

Sarah and Winston buy the same brand of T-shirts from different stores. Sarah pays $8 and Winston pays $4.The simplest way of writing this as a ratio 2:1.

What is Ratio?

A ratio in mathematics demonstrates how many times one number is present in another. For instance, if a dish of fruit contains eight oranges and six lemons, the ratio of oranges to lemons is eight to six. Similarly, the ratio of oranges to the overall amount of fruit is 8:14, while the ratio of lemons to oranges is 6:8.

The relationship between the amounts of two or more objects—referred to as a ratio—indicates how much of one object is contained in the other. The ratio formula can be used to represent a ratio as a fraction. The ratio formula is given as a:b = a/b for any two quantities, let's say a and b.

Two quantities are compared to form a ratio. An equality of two ratios is a proportion. How to format a ratio Analyze the ratio to see whether it is part to part or part to whole. Calculate the whole and the pieces as necessary.

We are given;

Sarah pays $8 for t shirt

Winston Pays $4 for t shirt

So, Simplest way of writing this as in ratio is ;

Sarah/Winston = 8/4=2/1

Hence , this is written in ratio as 2:1.

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A charge nurse is reviewing orthostatic hypotension with a group of newly licensed nurses. the statements should the charge nurse make is c) a decrease of 20 mm of Hg in the diastolic pressure with a position change indicates orthostatic hypotension.

Orthostatic hypotension — also called postural hypotension — is a form of low blood pressure that happens when standing after sitting or lying down. Orthostatic hypotension can cause dizziness or lightheadedness and possibly fainting.

Orthostatic hypotension can be mild. Episodes might be brief. However, long-lasting orthostatic hypotension can signal more-serious problems. It's important to see a health care provider if you frequently feel lightheaded when standing up.

Occasional orthostatic hypotension is usually caused by something obvious, such as dehydration or lengthy bed rest. The condition is easily treated. Chronic orthostatic hypotension is usually a sign of another health problem, so treatment depends on the cause.

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The initial velocity is related to the maximum height by the relation [tex]v_{0}=\sqrt{\frac{2gH}{3} }[/tex]

The initial velocity (v0) is the velocity of an object at the beginning of its motion. In the scenario you described, the initial velocity of the rock is the velocity at which it is thrown upward from the edge of the roof of a building.

Without any information about the velocity at which the rock is thrown, it is not possible to determine the initial velocity.

Using the fact that the velocity at maximum height is zero, we can write the following:

      [tex]v_{y}=v_{y_{0,t} }+ a_{y}t[/tex]

at maximum height, the equation becomes

[tex]0=v_{0}-gT_{max}[/tex]

=> [tex]T_{max}=\frac{v_{0} }{g}[/tex]

Now, the displacement is (-H)−H) when the rock hits the ground, so we can use one of the kinematic equations to write the following

[tex]y-y_{0}=v_{0}t+\frac{1}{2}a_{y}t^{2}[/tex]

where [tex]y_{0} =0 and y=-H[/tex]

On substituting the values and rearranging we get:

[tex]v_{0}=\sqrt{\frac{2gH}{3} }[/tex]

Therefore, The initial velocity is related to the maximum height by the relation [tex]v_{0}=\sqrt{\frac{2gH}{3} }[/tex].

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The answer is the same i. e., 4.375 in all the cases as shown

There are two terms which describe the three numbers in a multiplication problem. The factors are the numbers that are being multiplied together. The product is the result or answer of multiplying the multiplicand by the multiplier.

= 3/7 x 5/6 x1/4

=  38/8

= 3/7 x 1/4 x 5/6

= 5/6 x 1/4 x3/7

= 5/6 x 3/7 x 1/4

= 1/4 x 5/6 x 3/7

=1/4 x 3/7 x 56

= 4.375

The answer is the same i. e., 4.375 in all the cases as shown.

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The best way to improve the running speed of the game is to use an algorithm which can quickly evaluate potential moves and select the best one.

For example, alpha-beta pruning is an algorithm which is used for game tree search. It prunes the search tree and eliminates the branches which are not likely to contain the optimal solution. Alpha-beta pruning uses the following formula to evaluate positions:

Max(α, Min(β, v))

Where α is the best value that the maximizing player can guarantee at the current branch of the tree, β is the best value that the minimizing player can guarantee at the current branch of the tree and v is the value of the current position. The evaluation of the position helps to quickly identify the best move. This reduces the time taken to evaluate the potential moves and thus improves the running speed of the game.

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The best approximation for the area of this figure is A = 12+9.125π units²in the given figure.

What is the diameter of triangle?

In a triangle, the diameter is a line segment that passes through the midpoint of one side of the triangle and is perpendicular to that side. It is also the longest chord of the triangle. The length of the diameter is called the diameter of the triangle.

Draw the diameter from point (-1, -5) to point (2, 3).

The triangle has base 3 and height 8.

The diameter of the semicircle is the hypotenuse of the triangle.

d = root(3² + 8²)

d = 8.544

The radius is half the diameter.

r = d/2 = 8.544/2 = 4.272

The total area is the area of the triangle plus the area of the semicircle.

A = 3*8/2 + π*4.272²/2

A = 12+9.125pi units²

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Answer:

not e

Step-by-step explanation:

Answer:

D. x = 12

Step-by-step explanation:

8 x 4 = 32

3 x 4 = 12

The net profit of the company this year is $729,000

Suppose the value of which a thing is expressed in percentage is "a'

Suppose the percent that considered thing is of "a" is b%

Then since percent shows per 100 (since cent means 100), thus we will first divide the whole part in 100 parts and then we multiply it with b so that we collect b items per 100 items(that is exactly what b per cent means).

Thus, that thing in number is

[tex]\dfrac{a}{100} \times b[/tex]

Given;

Last year small manufacturing company netted $540,000

The net profit increased this year by 135%

Now, to find 135% of $540,000

Let the profit this year be x

x*100/$540,000=135

x=135*5400

x=729000

Therefore, net profit by 135% will be $729,000

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The list of items that shows what Elena could buy is the list for which the sum of all prices is at most 10.

The maximum amount that Elena can spend is given as follows:

$10.

Hence, for each list, the sum is calculated for the prices of all the items, giving the total price.

The list with a sum of at most $10 is the list that shows what Elena can buy.

The problem is incomplete, hence the general procedure needed to solve it is presented.

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Answer:

Step-by-step explanation:

A recycling truck that feeds on petroleum is would not be an application of Stuart Wilkinson's theory.

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The row in Pascal's triangle where three consecutive entries are in the ratio 3:4:5 is the 62nd row.

To find the row in Pascal's triangle where three consecutive entries are in the ratio 3:4:5, we will use the concept of binomial coefficients.

The binomial coefficient C(n, k) represents the number of ways to choose k items from a set of n items, and is given by the formula -

C(n, k) = n! / (k! (n-k)!).

In Pascal's triangle, the entries are arranged such that the nth row contains n+1 entries, and the kth entry in that row is given by C(n, k).

We can determine the ratio of three consecutive entries in Pascal's triangle by looking at the binomial coefficients C(n, k), C(n, k+1), and C(n, k+2) in a particular row.

In order to find the row where the ratio of these three consecutive entries is 3:4:5, we will set up the following equation:

C(n, k) / C(n, k+1) = 3/4 and C(n, k+1) / C(n, k+2) = 4/5

We will now use the formula for binomial coefficients to simplify these equations as follows -

(n! / (k! (n-k)!) ) / (n! / ((k+1)! (n-(k+1))!)) = 3/4

Similarly,

(n! / ((k+1)! (n-(k+1))!)) / (n! / ((k+2)! (n-(k+2))!)) = 4/5

Solving for n, we can get n = 62

Therefore, the row in Pascal's triangle where three consecutive entries are in the ratio 3:4:5 is the 62nd row.

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Answer:

p(a black sock and then a green sock)

The probability of drawing a black sock first is 2/8=1/4, and then the probability of drawing a green sock next is 2/7=2/14 since we have one less sock left. So the overall probability is (1/4) * (2/14) = 1/7

p(two blue socks)

The probability of drawing a blue sock first is 3/8, and then the probability of drawing another blue sock next is 2/7 since we have one less sock left. So the overall probability is (3/8) * (2/7) = 6/56 = 3/28

p(a green sock and then a red sock)

The probability of drawing a green sock first is 2/8, and then the probability of drawing a red sock next is 1/7 since we have one less sock left. So the overall probability is (2/8) * (1/7) = 2/56 = 1/28

4.p(two green socks)

The probability of drawing a green sock first is 2/8, and then the probability of drawing another green sock next is 1/7 since we have one less sock left. So the overall probability is (2/8) * (1/7) = 2/56 = 1/28

Note that these are the theoretical probabilities, and in reality, drawing a sock and not replacing it will change the number of socks left, so the probability of the next draw will change accordingly.

Step-by-step explanation:

The water content of the cylindrical sample of saturated sandy clay is 2.54%.

To determine the water content of the sample, we have to calculate the mass of water present in the sample before oven-drying, next divide that value by the total mass of the sample.

Firstly, we have to calculate the mass of water present in the sample before oven-drying. We already know that the mass of the sample before oven-drying is 182g and the mass after oven-drying is 151.7g.

So the mass of water present in the sample is:

mass of water = mass before oven-drying - mass after oven-drying

mass of water = 182g - 151.7g = 30.3g

Next, divide the mass of water by the total mass of the sample and multiply by 100 to get the water content as a percentage:

water content (w%) = (mass of water / total mass of sample) * 100

water content (w%) = (30.3g / 1192.0g) * 100 = 2.54%

So, the water content of the cylindrical sample of saturated sandy clay is 2.54%.

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The number which must be a factor of 247247 is 11.

Given integer = 247247

To find the factor, we can add and minus signs alternately in front of each digit to determine whether a number is divisible by any of the given options. and then compute the answer. For example: If the integer is divisible by 11 if this result is divisible by 11 (including 0), if not, the number is not divisible by 11.

As per the question, and given integer -

+2 - 4 + 7  -2 + 4 - 7

= 0

Since the outcome is 0, the number 247247 can be divided by 11.

Complete Question:

Let Z be a 6-digit positive integer, such as 247247, whose first three digits are the same as its last three digits taken in the same order. Which of the following numbers must also be a factor of Z$

a) 11

b) 19

c) 101

d) 111

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Answer:

False

Step-by-step explanation:

If the card is removed after it is picked, the number of cards in the deck decreases. For example, if you pick the first card remove it. The cards available decreases to 51, so the probability becomes 1/51 for the next draw. This is dependant probability.

Answer:

24 waffles

Step-by-step explanation:

16÷6=2.66 so she can make that many waffles per egg

9x2.66= 23.94 which would round up to 24 waffles

The answer to this question is determined on the volume of water coming from the faucet. When the tap is switched on but no water flows out, the tank can retain 275 gallons eternally. Yet, if water flows out of the tap at a constant pace, the tank will take a given period of time to empty.

A gallon is a volume unit used mostly in the United States, equivalent to 128 US fluid ounces or 3.785 liters.

To establish how long it will take to empty the tank, we must first know the flow rate of the tap, which is normally measured in gallons per minute (GPM). We may use the following calculation to calculate the time it will take to empty the tank once we have known the GPM:

Time (minutes) = 275 gallons per minute / GPM

For example, if the tap is running at a rate of 10 GPM, the time required to empty the tank is:

Time (minutes) = 275 gallons /10 GPM = 27.5 minutes

As a result, if the tap is set at 10 GPM, it will take 27.5 minutes for the tank to empty before Angel can turn off the water.

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The trigonometric form of complex number -6√3 + 6i will be option a. 12(cos150 + isin150)

We are given z = -6√3 + 6i

Now the polar form of a complex number is given by r(cosx + isiny)

We first need the modulus which for a complex number a + bi

r = √(a² + b²)

Hence r = √(108+36)

= √(144)

= 12

Now we need to find the angle x such that

tan x' = |b/a|

or, tan x' = |-1/√3|

or, tan x' = 1/√3

or, tan x' = tan(π/6)

or, x' = π/6

Now since a < 0 and b > 0 x will lie in Quadrant 2

Hence x = π - π/6

= 5π/6 =

Hence we get the trigonometric form to be

12(cos5π/6 + isin5π/6)

= 12(cos150 + isin150)

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The value of each variable in the parallelogram is h = 9 and g = 59.

A parallelogram is a geometric object with sides that are parallel to one another in two dimensions. It is a form of polygon with four sides (sometimes known as a quadrilateral) in which each parallel pair of sides have the same length. A parallelogram has neighboring angles that add up to 180 degrees. Angles on either side are equal.

We know that the opposite sides of a parallelogram and the opposite angles of a parallelogram are equal.

Using the above statement, we can write:

16 - h = 7

16 - 7 = h

h = 9

g + 4 = 63

g = 63 - 4

g = 59

Hence, the value of each variable in the parallelogram is h = 9 and g = 59.

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Answer:

The statement that is true is:

All the equal parts must have the same area.

This is true because when a rectangle is divided into equal parts, it means that the area of each part is the same. The lines dividing the shape can be drawn in any direction (top to bottom, left to right, diagonal, etc.) and the shape of the parts can also be different( rectangles, squares or any shape).

If Florida had the same number of hospitals per million people as Texas, it would have 558 hospitals in 2009. This is slightly higher than the actual number of hospitals in Florida in 2009 (343).

Proportional reasoning is a mathematical process used to compare the ratios of two or more similar quantities.

This question uses the theory of proportional reasoning.

In this case, we are comparing the ratio of the number of hospitals per million people in Texas to the ratio of the number of hospitals per million people in Florida.

By comparing these two ratios, we can estimate the number of hospitals in Florida given the same ratio as Texas.

1. Calculate the number of hospitals per million people in Texas: 428 hospitals / 26.4 million people = 16.2 hospitals per million people.

2. Calculate the number of hospitals per million people in Florida: 343 hospitals / 19.5 million people = 17.6 hospitals per million people.

3. Multiply the number of people in Florida (19.5 million) by the number of hospitals per million people in Texas (16.2): 19.5 million people x 16.2 hospitals per million people = 315.3 hospitals.

4. Round the result to the nearest whole number: 315.3 hospitals = 315 hospitals.

5. Compare the estimated number of hospitals in Florida (315) to the actual number of hospitals in Florida in 2009 (343).

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The cost of one belt is $53 and the cost of one wallet is $ 73.

The first step is to set up a system of equation using the information in the question:

20w + 14b = 2202 equation 1

20w + 83b = 5859 equation 2

Where:

b= number of belts sold

w = number of wallets sold

In order to determine the value of b, take the following steps:

Subtract equation 2 from equation 1 :

69b = 3657

Divide both sides of the equation by 69

b = 3657 / 69

b = 53

Substitute for b in equation 1:

20w + 14(53) = 2202

20w + 742 = 2202

20w = 2202 - 742

20w = 1460

w = 1460 / 20

w = 73

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Answer: The last three digits are 201.

Step-by-step explanation: Hope this helps

Answer:
f(6) = -22
g(-2) = -10

Step-by-step explanation:
Plug in 6 into f(x) = -4x + 2
f(6) = -4(6) + 2
f(6) = -24 + 2
f(6) = -22

Plug in -2 into g(x) = 2x^3 + 6
g(-2) = 2(-2)^3 + 6
g(-2) = 2(-8) + 6
g(-2) = -16 + 6
g(-2) = -10

I hope this was able to help you :D