If 40% of x is 111, what is 80% of x?

After diving dοwn 215.5 feet, rising 125.5 feet, and diving dοwn anοther 122.4 feet, the submarine is at a depth οf 1,063.1 feet belοw sea level.

The fοur fundamental οperatiοns οf arithmetic are additiοn, subtractiοn, multiplicatiοn, and divisiοn οf twο οr mοre quantities. Included in them is the study οf numbers, especially the οrder οf οperatiοns, which is impοrtant fοr all οther areas οf mathematics, including algebra, data management, and geοmetry. The rules οf arithmetic οperatiοns are required in οrder tο answer the prοblem.

Starting at a depth οf 1,275.5 feet belοw sea level, the submarine dives dοwn an additiοnal 215.5 feet:

1,275.5 - 215.5 = 1,060 feet belοw sea level

Then the submarine rises 125.5 feet:

1,060 + 125.5 = 1,185.5 feet belοw sea level

Finally, the submarine dives dοwn anοther 122.4 feet:

1,185.5 - 122.4 = 1,063.1 feet belοw sea level

Therefοre, after diving dοwn 215.5 feet, rising 125.5 feet, and diving dοwn anοther 122.4 feet, the submarine is at a depth οf 1,063.1 feet belοw sea level.

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Answer:

60

Step-by-step explanation:

An easy way to find the answer is when you see of that basically means to times(X) so that means 2/3 X 90 = 60

The probability of being in the first or second position in a heat with 10 cars can be calculated by finding the total number of ways that the cars can be arranged in the heat and then dividing by the number of ways that result in being in the first or second position.

There are 10 cars in the heat, so there are 10 possible positions for the first car, and once that car has been assigned a position, there are 9 possible positions remaining for the second car, and so on. Therefore, the total number of ways that the cars can be arranged is:

10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

This is equivalent to 10! (read as "10 factorial"), which is the product of all the positive integers from 1 to 10.

To be in the first or second position, there are 2 possible positions out of the 10 total positions in the heat. So, the number of ways to be in the first or second position is:

2 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

which is equivalent to 2 x 9!, since we only need to consider the arrangements of the remaining 9 cars after we have assigned ourselves to one of the first two positions.

Therefore, the probability of being in the first or second position is:

(2 x 9!) / 10!

Simplifying this expression, we get:

(2 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1) / (10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1)

which simplifies further to:

2 / 10

or:

1 / 5

So, the probability of being in the first or second position is 1/5 or 0.2, which means that there is a 20% chance of being in one of those positions in any given heat.

Answer:

Calculation:

Total Amount: $227

Down Payment: $47

Interest Rate: 9.6% (0.096)

Number of Payments: 12

Remaining Balance: $227 - $47 = $180

Remaining Balance with Interest: $180 + (9.6/100 * $180) = $197.68

Amount of Payment: $197.68 / 12 = $16.47

Answer: The amount of each payment is $16.47.

The mean of the given data set is 2.11.

What is mean?

Mean is a statistical term which is in general meaning is average. Sum of the given data and then dividing it by the number of terms is the mean of the given data set.

In the given problem ,

x              p(x)

0              .05

1                .34

2               .26

3                 .20

4                .10

5                .05

So the mean is ∑x (p(x))

                      = (0× .05)+ (1× .34)+(2× .26)+(3× .20)+(4× .10)+(5× .05)

                    = .34 +0.52+0.6+0.4+0.25

                   = 2.11

Hence, the mean is 2.11.

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Answer:20

Step-by-step explanation:

Answer:

[tex]-x^{5} -5x+6[/tex]

Step-by-step explanation:

8 possible sequences in total. Thus, A tree with 8 outcomes, option 1 is correct.

A diagram with a structure of branching connecting lines, representing different processes and relationships.

Here is a tree diagram showing all the possible outcomes of Sandra tossing a coin three times:

In the diagram, each branch represents the outcome of one toss of the coin. The letters "H" and "T" represent "heads" and "tails," respectively. Each path from the top of the tree to a bottom node represents a possible sequence of coin tosses, and there are 2³ = 8 possible sequences in total.

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Complete question:

Sandra tossed a coin 3 times. Which tree diagram shows al the possible outcomes of the coin landing heads up or tails up.

A tree with 8 outcomes

A tree with 12 outcomes

A tree with 9 outcomes

A tree with 6 outcomes

Answer:

x=4

Step-by-step explanation:

We can solve for x by using the definition of logarithms.

log₃(x+5) = 2 can be rewritten in exponential form as 3² = x + 5.

Simplifying 3² gives 9, so we have:

x + 5 = 9

Subtracting 5 from both sides, we get:

x = 4

Therefore, the equivalent equation is x = 4.

The complete expression of given question is :

3 5/6 feet = 23/6 feet = 46 inches.

A mixed fraction is a type of fraction that consists of a whole number and a proper fraction. For example, 3 1/2, 2 2/3, and 5 3/8 are all mixed fractions. The whole number part represents a number of whole units, while the fraction part represents a part of a unit.

To write 3 5/6 feet as a single fraction greater than one, we can convert the mixed number to an improper fraction. To do this, we multiply the whole number (3) by the denominator of the fraction (6), and add the numerator (5), then put the result over the denominator. Like this:

3 5/6 = (3 x 6 + 5)/6 = 23/6

Therefore, 3 5/6 feet can be written as the improper fraction 23/6 feet.

To complete the expression, we can use the fact that 1 foot is equal to 12 inches. Therefore, we can convert 23/6 feet to inches by multiplying it by 12:

23/6 feet × 12 inches/1 foot = 23/6 × 12 inches

Simplifying the fraction, we get:

23/6 × 12 inches = 276/6 inches = 46 inches

Therefore, the expression is:

3 5/6 feet = 23/6 feet = 46 inches.

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The  five different math vocabulary that can be used to describe each given expression 6(t+2)-8

Expression: A combination of numbers, variables, and operators that can be evaluated or simplified.

Coefficient: A number that is multiplied by a variable.

Distributive Property: The property that allows you to multiply a factor by each term inside a set of parentheses.

Simplify: To reduce an expression to its simplest form.

Linear: An expression that has no exponents or other operations besides addition, subtraction, and multiplication by a constant.

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1. The diagonal of the base of the box is shorter than the length of the wind chime. 2. The interior diagonal of the box shorter than the length of the wind chime. 3.  The wind chime will not fit in the box.

A diagonal is a line segment that connects two polygonal corners (vertexes), although it is not an edge (side). In other words, it connects any two polygonal vertices that are not neighboring. So, when we directly link any two vertices that are not connected by any sides, we may draw the diagonals in a polygon. A diagonal is a line that runs straight across the vertices of a polygon and joins its opposing corners. In other terms, a line segment connecting any two non-adjacent corners is a polygon's diagonal. Depending on how many sides a polygon has, distinct polygons may have a variable number of diagonals.

Given that the length of the wind chime is 16 inches thus,

1.  diagonal of base of the box = √10²+8² = √164 = 12.8

Hence, the diagonal of the base of the box is shorter than the length of the wind chime.

2.  interior diagonal of the box = √6²+8²+10² = √200 = 14.14

The interior diagonal of the box shorter than the length of the wind chime

3.  The wind chime will not fit in the box

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For given Sample Space, the probability that both responses are correct is 12.5%.

A sample space is the collection of all potential results of an experiment or random process in probability theory. It is a key idea that allows us to define and assess event probability.

Consider the following experiment: rolling a six-sided die. This experiment's sample space is the set of all potential results of rolling the dice, which are 1, 2, 3, 4, 5, 6. Each member of the sample space indicates a possible experiment outcome.

Now,

The probability of answering the true/false question correctly by random guess is 1/2, since there are two possible choices.

The probability of answering the multiple-choice question correctly by random guess is 1/4, since there are four possible choices.

The probability of both events happening together = product of individual probabilities:

P(correct on both) = P(true/false correct) × P(multiple-choice correct)

= (1/2) × (1/4)

= 1/8

= 0.125

Therefore, the probability that both responses are correct is 0.125 or 12.5%.

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Answer:

  $1.53

Step-by-step explanation:

You want to know the total tax on purchases of $4.56, 12.45, and 2.13 if the tax rate is the sum of 6.5% and 1.5%.

The tax is the product of the tax rate and the total of purchases. The tax rate will be the sum of the state and county tax rates:

  6.5% +1.5% = 8% = 8/100

The attached calculation shows the tax is $1.53 after rounding to cents.

The tax rate on Mary Lou Mason's purchases is $1.53.

What is meant by rate?

In mathematics, rate usually refers to the ratio of two quantities that have different units of measurement.

To calculate the total tax on Mary Lou Mason's purchases, we need to first calculate the total cost of her purchases, including both the prices of the items and the sales tax.

The total cost of Mary Lou Mason's purchases before taxes is:

$4.56 + $12.45 + $2.13 = $19.14

To calculate the sales tax, we need to multiply the total cost of the purchases by the sum of the state and county tax rates:

6.5% + 1.5% = 8%

So the sales tax rate is 8%.

To calculate the total tax on Mary Lou Mason's purchases, we multiply the total cost of the purchases by the sales tax rate:

$19.14 x 8% = $1.53

Therefore, the tax on Mary Lou Mason's purchases is $1.53.

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Hamilton had a 21-man company in its first (currently only ongoing) production. There are 720 ways that can play as cast.

Hamilton had a 21-man company in its first (currently only ongoing) production, so we really know a little about our army of volunteers (all of which I think are good enough to hold the show to a high standard), but that's not necessarily the case. The problem - Thomas Kail and Andy Blanken buehler use their team of 11 in their Broadway productions to great effect, but a team of the same size. It's an art choice.

When it comes to the main body, there are actually 14 named locations, with a lot of work through singing and/or dialogue, in addition to the many things the members use from Kail products. This prevents all volunteers from being an essential part because that leaves us only 3 people in total which seems a bit lackluster in some big productions.

One solution is to have some minor roles played by the band members - for example James Madison, King George III, Peggy Schuyler and Maria Reynolds - so now we have 9 key characters and 8 groups that we need to succeed. compact performance.

My preference is to follow a Broadway production, so we have 10 main actors, so the ensemble is 7 people. If necessary, with the help of a small part of the main cast, we can expand the group in many performances.

Therefore, there are 10!/7! = 720 ways .

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Keep in mind that without the population standard deviation, it is impossible to provide an exact sample size. However, this formula will give you a good starting point.

To find the sample size needed for a 99.5% confidence interval with a margin of error of 1.5, we can use the formula:

n = (Z * σ / E)^2

where n is the sample size, Z is the Z-score corresponding to the desired confidence level, σ is the population standard deviation, and E is the margin of error.

For a 99.5% confidence interval, the Z-score is approximately 2.807 (from a standard normal distribution table). Since we do not have the population standard deviation (σ), we will need to estimate it using a sample standard deviation or use a conservative approach by assuming the maximum possible value. For now, let's assume we have an estimated standard deviation.

n = (2.807 * σ / 1.5)^2

Solve for n by plugging in the estimated standard deviation (σ) and then round up to the nearest whole number, as you cannot have a fraction of a sample.
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Answer:

The factor by which the amount of drug in the body is multiplied by each passing hour can be found using the formula:

b = 1/2^(t/h)

where:

t = time elapsed (in hours)

h = half-life of the drug

In this case, the half-life of the drug is 5 hours, so we have:

h = 5 hours

For each passing hour, the time elapsed increases by 1 hour, so we can calculate the factor b after 1 hour as:

b = 1/2^1/5

b = 0.63

This means that after 1 hour, the amount of drug in the body is multiplied by 0.63. After 2 hours, it is multiplied by 0.63 again, and so on.

Thus, the surface area of the rectangular prism is found as : S = 275 ¹/₈ cm².

A rectangular prism is one of the more usual shapes for prisms. One definition of a rectangular prism is a prism with rectangle-shaped bases. An other faces also were rectangles because the bases are rectangles. These are a rectangular prism's characteristics:

Given dimensions for the rectangular prism :

Then ,

surface area of the prism S = 2(lw + wh + hl)

Put the values:

S = 2(11.75*5.75 + 5.75*4 + 4*11.75)

S = 2*137.5625

S = 275.125

S = 275 ¹/₈ cm²

Thus, the surface area of the rectangular prism is found as : S = 275 ¹/₈ cm².

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Step-by-step explanation:On a coordinate plane you move 9 to the right and 2 up

Answer:

[tex]v≈41033.52 \: {ft}^{3} [/tex]

Step-by-step explanation:

Given:

A sphere

r (radius) = 99 ft

π ≈ 3,14

Find: V (volume) - ?

[tex]v = \frac{4}{3} \pi {r}^{2} [/tex]

[tex]v = \frac{4}{3} \times 3.14 \times {99}^{2} ≈41033.52 \: {ft}^{3} [/tex]

Answer:

Step-by-step explanation:

A contrapositive statement changes "if not p then not q" to "if not q to then, not p." The converse of the conditional statement is “If Q then P.” The contrapositive of the conditional statement is “If not Q then not P.” The inverse of the conditional statement is “If not P then not Q.” if p → q, p → q, then, ∼ q →∼ p ∼ q →∼ p

A Note about Notation: Be careful with the notation  a|b

. This does not represent the rational number  ab

. The notation  a|b

 represents a relationship between the integers  a

 and  b

 and is simply a shorthand for “ a

 divides  b

.”   "Divides" as in  a|b

 is a relation (true or false), while "divided by" as in  ab

 or   a/b

 is an operation (results in a number).

The definition for “divides” can be written in symbolic form using appropriate quantifiers as follows: A nonzero integer  m

 divides an integer  n

 provided that  (∃q∈Z)(n=m⋅q).

Thus, the one notebook' price n = $6 and the price of one pencil is p = $2.4.

Ax+By=C is the usual form for two-variable linear equations. A standard form linear equation is, for instance, 2x+3y=5. Once an equation is given in this format, finding both intercepts is rather simple (x and y). When attempting to solve systems involving two linear equations, this form is also quite helpful.

Let cost of a notebook to be 'n' dollars

Let the cost of a pencil to be 'p' dollars,

Then, the system of equations are-

3n + 5p = 30   ..eq 1

n + 10p = 30  ....eq2

multiply eq 2 with 3

3n + 30p = 90 ...eq 3

Subtract eq 3 from eq 1

3n + 5p - 3n - 30p = 30 - 90

25p = 60

p = 2.4

n + 10(2.4) = 30

n = 30 - 24

n = 6

Thus, the price of one notebook n = $6 and the price of one pencil is p = $2.4.

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Answer:

(G) -1

Step-by-step explanation:

Let the integer be [tex]x[/tex].

Then, it folloes that [tex]-x=x^2[/tex].

Because [tex]x \neq 0[/tex], dividing both sides by [tex]x>/tex] yields [tex]x=-1[/tex].

Answer:

[tex]x = 1 \frac{49}{57} [/tex]

Step-by-step explanation:

[tex]6.75x + \frac{3}{8} x = 13 \frac{1}{4} [/tex]

Multiply the whole equation by 8, to eliminate the fractions:

[tex]54x + 3x = 106[/tex]

[tex]57x = 106[/tex]

Divide both parts of the equation by 57:

[tex]x = \frac{106}{57} = 1 \frac{49}{57} [/tex]

Answer:

H

Step-by-step explanation:

% of 11 year olds is 24

% of 12 year olds is 16

then ratio of

11 year olds : 12 year olds

= 24 : 16 ( divide both parts by 8 )

= 3 : 2

The leading coefficient of the polynomial is 4.

The leading coefficient of a polynomial, we first need to understand what the leading term of the polynomial is.

The leading term is the term with the highest degree in the polynomial.

For example, in the polynomial [tex]3x^4 + 2x^3 - 5x^2 + 4x - 1[tex], the leading term is 3x^4.
To determine the leading coefficient of a polynomial, we simply look at the coefficient of the leading term. For example, in the polynomial [tex]3x^4 + 2x^3 - 5x^2 + 4x - 1[/tex], the leading coefficient is 3.
Now, let's apply this concept to the polynomial graphed below. From the graph, we can see that the polynomial has a degree of 2, meaning that the highest power of x in the polynomial is 2.

Therefore, the leading term of the polynomial is [tex]ax^2[/tex], where a is the leading coefficient.
The vertex is the point on the graph where the polynomial reaches its maximum or minimum value. In this case, the vertex is located at [tex](-2, 4)[/tex]
Since the vertex is the highest point on the graph, we know that the coefficient of x^2 must be positive.

In this case, the value of y at the vertex is 4.

Therefore, the leading coefficient of the polynomial is 4.

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if Grandson Sinko puts the forks in groups of 12, there will be no forks left over

The least common multiple (LCM) of two or more integers is the smallest positive integer that is a multiple of each of the given integers. In other words, the LCM is the smallest number that is divisible by all the numbers in a given set.

the least common multiple of 4 and 6, is 12. So if Grandson Sinko puts the forks in groups of 12, there will be no forks left over.

To find the number of forks, we can use the fact that the number of forks is three more than a multiple of both 4 and 6. Let's call the number of forks x. Then we have:

x ≡ 3 (mod 4)

x ≡ 3 (mod 6)

Using the Chinese remainder theorem, we can combine these congruences to get:

x ≡ 3 (mod 12)

This means that the number of forks is three more than a multiple of 12. So we can write:

x = 12n + 3

where n is an integer. To find the value of n, we can plug in the values of x from the first two congruences:

x ≡ 3 (mod 4) => x = 4m + 3

x ≡ 3 (mod 6) => x = 6k + 3

Setting these two expressions for x equal to each other, we get:

4m + 3 = 6k + 3

Simplifying, we get:

2m = 3k

Since 2 and 3 are relatively prime, this means that m must be a multiple of 3 and k must be a multiple of 2. So we can write:

m = 3p

k = 2q

where p and q are integers. Plugging these into the expressions for x, we get:

x = 4m + 3 = 4(3p) + 3 = 12p + 3

x = 6k + 3 = 6(2q) + 3 = 12q + 3

Since x is the same in both expressions, we can set them equal to each other:

12p + 3 = 12q + 3

Simplifying, we get:

p = q

So we can write:

x = 12p + 3

where p is an integer. Therefore, if Grandson Sinko puts the forks in groups of 12, there will be no forks left over.

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A hand of 10 cards is dealt from a well-shuffled standard 52-card deck of cards. The probability that the hand contains 3 Jacks is 0.018617. So correct option is b.

In mathematics, combinations refer to the ways of selecting a group of items from a larger set without considering the order of the items. Combinations are used to count the number of possible outcomes in situations where order does not matter, such as selecting a group of people to form a committee, or selecting a subset of items from a larger collection.

The number of possible combinations of r items selected from a set of n items is given by the formula:

C(n, r) = n! / (r! * (n - r)!)

where n! represents the factorial of n, which is the product of all positive integers up to n, and r! represents the factorial of r.

To solve this problem, we need to find the probability of selecting exactly 3 jacks out of 10 cards from the 52-card deck.

The probability of selecting a jack from the deck is 4/52, since there are four jacks in the deck. The probability of not selecting a jack is 48/52, since there are 48 non-jack cards in the deck.

Using the formula for the probability of a specific combination of events occurring (nCr), where n is the total number of cards in the deck, and r is the number of jacks we want to select:

P(3 jacks) = (4/52)³(48/52)⁷ × 10C3

10C3 is the combination of 10 cards taken 3 at a time, which is equal to 10!/(3!7!) = 120.

Therefore, P(3 jacks) = (4/52)³(48/52)⁷ × 120 ≈ 0.018617

So, the answer is b) 0.018617.

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The equivalent function is [tex]z^{1/4}[/tex].

What is a function?

Each element of X receives exactly one element of Y when a function from one set to the other is used. The sets X and Y are collectively referred to as the function's domain and codomain, respectively. Initially, functions represented the idealized relationship between two changing quantities.

Here, we have

Given: Z ≠ 0

We have to find the equivalent function to [tex]\sqrt[4]{z}[/tex].

We concluded that

[tex]\sqrt[4]{z}[/tex] = [tex]z^{1/4}[/tex]

Hence, the equivalent function is [tex]z^{1/4}[/tex].

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Option A "Reject the hypothesis" is the appropriate conclusion in this case.

As per the question,

Based on the results from the simulation trials, Peter should conclude that his hypothesis should be rejected.

The simulation showed that finches are a guaranteed bird type for only 80% of the birds, which is lower than the observed percentage of 75% finches at Peter's bird feeder.

This indicates that the predicted percentage of finches continuing at the same rate is not supported by the simulation results.

Therefore, option A "Reject the hypothesis" is the appropriate conclusion in this case.

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The correct answer is (B) Function A is decreasing, while function B is also decreasing AND Function A is steeper.