Help. I don’t understand this

Answer: 2 1/9

Step-by-step explanation: There are 2 1/9‘s left when you see how many can fit into the last 1/3 box. But if the answer is not 2 1/9 than the answer is 2.

The statement that most accurately describes patterns of Irish immigration in the mid-19th century is: its peaked in approximately 1851. The Option D is correct.

Irish immigration to the United States in the mid-19th century was characterized by several factors:

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Answer: h and d

Step-by-step explanation:
the answer is correct because it shows it please give this a like

Answer:

It would take 5 days

Step-by-step explanation:

1990/400 is 4.975 round that it is 5 so 5 days

Answer:

At least 5 days

Step-by-step explanation:

400 miles per day  / 1990 miles trip would take?

Cross multiplying gives;

\(\frac{1990}{400}\) = 4.975 days

Rounding off the answer to nearest day gives 5 days.

Answer:

no entiendo ni madred

Step-by-step explanation:

Soy chino

Answer:

a

   The  percentage is

            \(P(x_1 < X < x_2 ) = 51.1 \%\)

b

   The probability is  \(P(Z > 2.5 ) = 0.0062097\)

Step-by-step explanation:

From the question we are told that

        The  population mean is  \(\mu = 800\)

        The  variance is  \(var(x) = 1600 \ kg\)

        The  range consider is  \(x_1 = 778 \ kg \ x_2 = 834 \ kg\)

         The  value consider in second question is  \(x = 900 \ kg\)

Generally the standard deviation is mathematically represented as

        \(\sigma = \sqrt{var (x)}\)

substituting value

        \(\sigma = \sqrt{1600}\)

       \(\sigma = 40\)

The percentage of a cucumber give the crop amount between 778 and 834 kg  is mathematically represented as

       \(P(x_1 < X < x_2 ) = P( \frac{x_1 - \mu }{\sigma} < \frac{X - \mu }{ \sigma } < \frac{x_2 - \mu }{\sigma } )\)

    Generally  \(\frac{X - \mu }{ \sigma } = Z (standardized \ value \ of \ X)\)

So

      \(P(x_1 < X < x_2 ) = P( \frac{778 - 800 }{40} < Z< \frac{834 - 800 }{40 } )\)

      \(P(x_1 < X < x_2 ) = P(z_2 < 0.85) - P(z_1 < -0.55)\)

From the z-table  the value for  \(P(z_1 < 0.85) = 0.80234\)

                                            and \(P(z_1 < -0.55) = 0.29116\)  

So

             \(P(x_1 < X < x_2 ) = 0.80234 - 0.29116\)

             \(P(x_1 < X < x_2 ) = 0.51118\)

The  percentage is

            \(P(x_1 < X < x_2 ) = 51.1 \%\)

The probability of cucumber give the crop exceed 900 kg is mathematically represented as

             \(P(X > x ) = P(\frac{X - \mu }{\sigma } > \frac{x - \mu }{\sigma } )\)

substituting values

             \(P(X > x ) = P( \frac{X - \mu }{\sigma } >\frac{900 - 800 }{40 } )\)

             \(P(X > x ) = P(Z >2.5 )\)

From the z-table  the value for  \(P(Z > 2.5 ) = 0.0062097\)

So the mixed number is:

223*413

Therefore, the product of 223 and 413 is 223*413.

A number that is obtained by multiplying two or more other numbers together is referred to in mathematics as a product. For instance, the result of multiplying 2 by 5 is 10 when the two numbers are combined.

To find each of a number's products, multiply it by another number. For instance, 27 is the result of the product 9 and 3, since 9 and 3 = 27.

The product of 223 and 413 is:

223 × 413 = 92099

To write this as a mixed number, we divide 92199 by 413 and get:

92099 ÷ 413 = 223

So the mixed number is:

223*413

Therefore, the product of 223 and 413 is 223*413.

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Using the arithmetic operation the value for product of expression 223 × 413 is obtained as 92299/1.

What is arithmetic operation?

A subject of mathematics known as arithmetic operations deals with the study and use of numbers in all other branches of mathematics. Basic operations including addition, subtraction, multiplication, and division are included.

The product of 223 and 413 is found using arithmetic operation of multiplication.

223 × 413 = 92299

Since this is an integer, we can write it as a mixed number by placing it over 1 -

92299/1

Therefore, the product of 223 and 413 is 92299, which can also be written as the mixed number 92299/1.

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The product of the permutations in disjoint cycle notation is (1 4 7 2 5 8 3 6 9) and the product has one non-trivial cycle.

To compute the product of the permutations in disjoint cycle notation, we need to multiply the cycles together and combine any cycles that have the same elements.

We also need to count the number of non-trivial cycles in the product, which are cycles that have more than one element.

For example, let's say we have the following permutations in disjoint cycle notation:

(1 2 3)(4 5 6)(7 8 9) and (1 4 7)(2 5 8)(3 6 9)

To compute the product, we multiply the cycles together:

(1 2 3)(4 5 6)(7 8 9)(1 4 7)(2 5 8)(3 6 9)

Next, we combine any cycles that have the same elements. In this case, we can combine the first and fourth cycles, the second and fifth cycles, and the third and sixth cycles:

(1 4 7 2 5 8 3 6 9)

This gives us the product of the permutations in disjoint cycle notation.

To find the number of non-trivial cycles in the product, we count the number of cycles that have more than one element. In this case, there is only one cycle, and it has more than one element, so the product has one non-trivial cycle.

Therefore, the product of the permutations in disjoint cycle notation is (1 4 7 2 5 8 3 6 9) and the product has one non-trivial cycle.

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The probability that z is more than 0.87 is 0.1884 or approximately 0.19.

The area under the normal distribution curve to the right of 0.87 can be used to assess the likelihood that z is greater than 0.87. By using a normal distribution calculator or table, we may determine that the region to the left of 0.87 is roughly equal to 0.8116. As a result, 1 - 0.8116 = 0.1884 is the value of the area to the right of 0.87. This indicates that the likelihood of z being more than 0.87 is 0.1884, or roughly 0.19. In other words, the probability that a value drawn at random from a typical normal distribution will be higher than 0.87 is 19%.

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The percent error for Colton's prediction is 0.02%.

What is percent error?

The difference between an exact value and an approximation to it is the approximation error in a data value. Either an absolute mistake or a relative error might be used to describe this error. It is possible for measurement mistake or computation machine precision to generate an approximation error.

The percent error is the distinction between the estimated value and the actual value in relation to the actual value. In other words, the relative error is multiplied by 100 to calculate the percent error.

16-14/100= 0.02%

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Answer: 12.5

Step-by-step explanation: IXL said so

Answer:

thirsty

Step-by-step explanation:love pionts

The number wreaths that Ms. Brooks make will be 7 wreaths.

Expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both.

It should be noted that an expression, often known as a mathematical expression, is a finite collection of symbols that are well-formed in accordance with context-dependent principles. Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features. People make a distinction between an expression and a formula, with the former designating a mathematical object and the latter a claim about such objects

Here, Ms. Brooks has 2 pieces of ribbon to make wreaths. One piece is 18 yards long and the other is 17 yards long.

Since each wreath requires 5 yards of uncut ribbon, the number of wreaths that Ms. Brooks make will be:

= (18 + 17) / 5

= 35 / 5

= 7 wreaths.

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Answer:

D : Obtuse

Step-by-step explanation:

A right angle is 90 degrees.

An acute and obtuse angle are found by looking at the angle between the sides being looked at.

If the angle is GREATER i.e. Angle > 90 , then it is obtuse.

If the angle is LESS THAN i.e. Angle < 90 , then it is acute.

This angle is apparently greater than 90 degrees and therefore is obtuse.

We need 56 pints of the 55 % pure fruit juice and 84 pints of the 80 % pure fruit juice to prepare 140 pints of 70 % pure fruit juice.

In this problem we have to use two kinds of juice with different concentrations. To get a certain concentration, we must adjust quantities of each kind and weighted averages offers a method that is easy to apply:

70 · 140 = 55 · x + 80 · (140 - x)

70 · 140 = 80 · 140 - 25 · x

25 · x = 10 · 140

x = 56

We need 56 pints of the 55 % pure fruit juice and 84 pints of the 80 % pure fruit juice to prepare 140 pints of 70 % pure fruit juice.

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A point on the scatter plot is defined as (19, 3), which means that an input of 19 is mapped to an output of 3.

The scatter plot is built inserting all the points of the table in a graph, which are in the following input-output format:

(Input, Output).

One point on the scatter plot for this problem has the coordinates given as follows:

(19, 3).

Hence the meaning is that an input of 19 is mapped to an output of 3.

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Answer:

Please check the explanation.

Step-by-step explanation:

Given the quadratic equation

5x²−2x−9 = 0

To factor the quadratic function 5x²−2x−9, we should solve the corresponding quadratic equation 5x²−2x−9 = 0.

Indeed, if x₁ and x₂ are the roots of the quadratic equation ax²+bx+c=0, then

ax²+bx+c = a(x-x₁)(x-x₂)

Now,

solving the quadratic function 5x²−2x−9 = 0

\(-5x^2+2x+9=0\)

subtract 9 from both sides

\(-5x^2+2x+9-9=0-9\)

Simplify

\(-5x^2+2x=-9\)

Divide both sides by -5

\(\frac{-5x^2+2x}{-5}=\frac{-9}{-5}\)

\(x^2-\frac{2x}{5}=\frac{9}{5}\)

Add (-1/5)² to both sides

\(x^2-\frac{2x}{5}+\left(-\frac{1}{5}\right)^2=\frac{9}{5}+\left(-\frac{1}{5}\right)^2\)

\(x^2-\frac{2x}{5}+\left(-\frac{1}{5}\right)^2=\frac{46}{25}\)

\(\left(x-\frac{1}{5}\right)^2=\frac{46}{25} \\\)

\(\mathrm{For\:}f^2\left(x\right)=a\mathrm{\:the\:solutions\:are\:}f\left(x\right)=\sqrt{a},\:-\sqrt{a}\)

so solving

\(x-\frac{1}{5}=\sqrt{\frac{46}{25}}\)

\(x-\frac{1}{5}=\frac{\sqrt{46}}{\sqrt{25}}\)

Add 1/5 to both sides

\(x-\frac{1}{5}+\frac{1}{5}=\frac{\sqrt{46}}{5}+\frac{1}{5}\)

\(x=\frac{\sqrt{46}+1}{5}\)

similarly solving

\(x-\frac{1}{5}=-\sqrt{\frac{46}{25}}\)

\(x-\frac{1}{5}=-\frac{\sqrt{46}}{5}\)

Add 1/5 to both sides

\(x-\frac{1}{5}+\frac{1}{5}=-\frac{\sqrt{46}}{5}+\frac{1}{5}\)

\(x=\frac{-\sqrt{46}+1}{5}\)

Thus, the roots are:

\(x_{1} =\frac{\sqrt{46}+1}{5},\:x_{2}=\frac{-\sqrt{46}+1}{5}\)

Conclusion:

Since the roots are irrational, we do not factor further.

Therefore, we leave 5x²−2x−9 as it is.

The limit of the composite function is given as follows:

lim x->7 f(g(x)) = 2.

A limit is given by the value of function f(x) as x tends to a value.

From the graph of g(x), we have that the lateral limits at x = 7 are given as follows:

\(\lim_{x \rightarrow 7^-} = \lim_{x \rightarrow 7^+} = -2\)

Hence:

lim x->7 f(g(x)) = f(lim x->7 g(x)) = f(-2).

Looking at the graph of f(x), we have that:

f(-2) = 2.

Hence:

lim x->7 f(g(x)) = 2.

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Answer:

That is not a question, Brainly is an educational app and I suggest you use it that way.

Answer: 222cm

Step-by-step explanation:

To find the area of this composite shape you will have to split them into 2 shapes; a rectangle and a triangle.

To work out the area of the rectangle you have to do 15×12= 180

Then, to work out the area of the triangle, you use the formula base times height divided by 2.

7×12=84

84÷2=42

Then to work out the total area of both the rectangle and the triangle, you have to add the area of both.

180+42=222cm

Hope this helps :)

The height of the parallelogram is 8 inches. By using the formula for the area of a parallelogram, we were able to find the missing value (height) by rearranging the formula and plugging in the given values.

To find the height of the parallelogram, we can use the formula for the area of a parallelogram, which is Area = Base × Height (A = b × h). In this problem, the area (A) is given as 40 square inches, and the base (b) is 5 inches. We need to find the height (h).

Using the formula, A = b × h, we can plug in the given values:

40 = 5 × h

To solve for h, we can divide both sides of the equation by 5:

40 ÷ 5 = 5 × h ÷ 5

8 = h
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B

is the answer. Good luck!!

Step-by-step explanation:

Flip f(x) about the x-axis by multiplying it by -1

  - f(x)

  the squish it skinnier by multiplying it by 4

g(x) = - 4 f(x)   = -4 x^2

The following scatter plot is how the graph should be labeled. Axis titles are important!

The joint costs allocated to Product B is $240,000.

We must allocate joint costs based on the relative physical quantities produced by each product.

The total physical quantity produced by both products is:

= Quantity of A + Quantity of B

= 10,000 + 40,000

= 50,000 pounds

We will calculate the proportion of physical quantity produced by product A:

= Quantity of B / Total physical quantity

= 40,000 / 50,000

= 0.8

The amount of joint costs allocated to Product B is will be

= Total joint costs x Proportion of

= $300,000 x 0.8

= $240,000.

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Answer:

a = 9h + nb

Step-by-step explanation:

1) Variables:

a=total amount earned

h=hours worked in one week

n=number of items repaired

b=bonus amount for each item

2) He earns $9.00 an hour plus a bonus for each item repaired.

=> he earns 9 times the number of hours plus value of the bonus times the number of items repaired

=>  a = 9h + nb

Answer:

C

Step-by-step explanation:

If you need the explanation tell me

:D

Answer:

  d = 23 1/3

Step-by-step explanation:

You want to solve the proportion (0.3d -1)/(3 1/3) = (0.84)/(7/15).

  \(\dfrac{0.3d-1}{3\dfrac{1}{3}}=\dfrac{0.84}{\dfrac{7}{15}}\qquad\text{given}\\\\\\\dfrac{3(0.3d-1)}{10}=\dfrac{15(0.84)}{7}\qquad\text{invert and multiply}\\\\0.09d -0.3=1.8\qquad\text{simplify}\\\\0.09d = 2.1\qquad\text{add 0.1}\\\\d=\dfrac{2.10}{0.09}=\dfrac{70}{3}\qquad\text{divide by 0.09}\\\\\boxed{d=23\dfrac{1}{3}}\)

__

Check

  (0.3·(70/3) -1)/(3 1/3) = 0.84/(7/15)

  (7 -1)/(10/3) = 1.8

  6(3/10) = 1.8 . . . . . . true

Answer: 23 1/3

Step-by-step explanation:

The distance from the island to Gatsby's dock is 1.3 miles.

A Pythagoras theorem is a principle that can be used to determine the unknown side of a right angled triangle when the other two sides are known.

Applying the Pythagoras theorem to the given question, let the distance from island to Gatsby's dock be represented by s. Then;

/Hyp/^2 = /Opp/^2 + /Adj/^2

s^2 = 1.2^2 + 0.5^2

      = 1.44 + 0.25

      = 1.69

s = 1.69^1/2

  = 1.3

Thus, the straight-line distance from the island to Gatsby's dock is 1.3 miles.

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