Is 1.888... an irrational number? (i have a 1 in math :C)

i do know the answewr and it is b because the irrational product is negative 6

The equation that represent the relationship of the coffees is 3x + 5y = 68.

At a coffee shop, two sizes of coffee are sold. A medium coffee costs $3, and a large coffee costs $5.

The equation that represent the relationship between the number of medium coffees sold, x, and the number of large coffees sold, y, in an hour where sales totalled $68 is as follows:

where

Therefore, the equation is as follows:

3x + 5y = 68

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Answer:

238 chairs are empty

Step-by-step explanation:

Firstly,

you'll have to times 17 by 28 to get the total chairs in the school gym

17 × 28

= 476

Next,

divide it by 2 because half of the gym???

476/2

= 238

So, the amount of the empty chairs in the school gym are 238 in total ｡◕‿◕｡

Answer:

It is 1) True hope this helps

Answer:

0.06944444444 as a fraction equals 6944444444/100000000000

Answer:

(1,2)

Step-by-step explanation:

The solution is the point the two lines meet, at (1,3).  It is the only point that the value of x=1 will result is y = 3 for both lines.

The diagram of water cycle is attached below.

The best describes the process occurring at U and X is Water changes from a liquid to a gas.

The process that occurs at the position of U and X is discussed when water transforms from a liquid to a gas. This is called Evaporation.

The following are the situations that should not be arisen at the location U and X:

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Answer:

C. (5.097, 7.404)

Step-by-step explanation:

EDGE 2020

The 90% confidence interval for the true mean amount of time teenagers from this town watch sports is (5.097, 7.404).

Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.

The formula for the confidence interval is:

CI = x ± tα/2 × (s/√n)

where x is the sample mean,

s is the sample standard deviation,

n is the sample size, and

tα/2 is the t-value with (n-1) degrees of freedom and a confidence level of 90%.

From data (x) is 6.25 hours and

s=  4.33 hours.

We also know the sample size (n) is 40.

To find the t-value with (n-1) degrees of freedom and a confidence level of 90%, we can use a t-table.

For 39 degrees of freedom and a confidence level of 90%

Let us find that the t-value is 1.684.

Substituting the values we have into the formula, we get:

CI = 6.25 ± 1.684 × (4.33/√40)

CI = (5.097, 7.404)

Therefore, the 90% confidence interval for the true mean amount of time teenagers from this town watch sports is (5.097, 7.404).

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Answer:

29 is the answer

Step-by-step explanation:

the answer is 29

Answer:

the anwser is gonna be 29 blood

Answer:

4 - 0.6 (Repeating) x = 0.75

Step-by-step explanation:

You divide the fractions by each other ex. 2 divided by 3

Answer:

\( 48 - 8x = 9\)

Step-by-step explanation:

Multiply both sides by LCM. which is 12.

\(12(4 - \frac{2}{3} x) = \frac{3}{4} \times 12\)

\(48 - 8x = 9\)

GL is equal to √25 + L2, or √5 in its simplest radical form. The Pythagorean Theorem states that the sum of the squares of the two adjacent sides of a right triangle is equal to the square of the hypotenuse.

Given:

GL = ?

m∠KLH = 90°

KH = 5

We can use the Pythagorean Theorem to solve for GL.

GL2 = K2 + L2

GL2 = 52 + L2

GL2 = 25 + L2

Therefore, GL = √25 + L2 = √5.

Given GL, m∠KLH, and KH, we can use the Pythagorean Theorem to solve for GL. The Pythagorean Theorem states that the sum of the squares of the two adjacent sides of a right triangle is equal to the square of the hypotenuse. Therefore, we can calculate the square of GL by taking the square of KH and adding it to the square of L, which is unknown. We square 5 and get 25, then we add L2 to get 25 + L2. We can then take the square root of this to get GL. Therefore, GL is equal to √25 + L2, or √5 in its simplest radical form.

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To set up a triple integral to find the volume of the solid bounded by the cone and the sphere, we first need to determine the limits of integration for each variable.

Let's consider the cone equation, X = √(x² + y²). Rearranging this equation, we have x² + y² = X².

Now, let's focus on the sphere equation, x² + y² + z² = 8. We can rewrite this equation as x² + y² = 8 - z².

From these equations, we can see that the region of interest is the intersection of the cone and the sphere.

To find the limits of integration, we need to determine the boundaries for each variable.

For z, the lower bound is given by the cone equation: z = -√(x² + y²).

The setup for the triple integral to find the volume of the solid bounded by the cone and the sphere is:∫∫∫ -√(x² + y²) ≤ z ≤ √(8 - x² - y²) dy dx dz,

with the limits of integration as described above.

The upper bound for z is determined by the sphere equation: z = √(8 - x² - y²).

For x and y, we need to find the region of intersection between the cone and the sphere. By setting the cone equation equal to the sphere equation, we have:

x² + y² = 8 - x² - y².

Simplifying this equation, we get:

2x² + 2y² = 8.

Dividing both sides by 2, we have:

x² + y² = 4.

This equation represents a circle with radius 2 in the x-y plane.

Therefore, the limits of integration for x and y are determined by this circle: -2 ≤ x ≤ 2 and -√(4 - x²) ≤ y ≤ √(4 - x²).

Now, we can set up the triple integral to find the volume:

∫∫∫ R dV,

where R represents the region of intersection in the x-y plane.

The limits of integration for the triple integral are as follows:

-2 ≤ x ≤ 2,

-√(4 - x²) ≤ y ≤ √(4 - x²),

-√(x² + y²) ≤ z ≤ √(8 - x² - y²).

The integrand, dV, represents an infinitesimal volume element.

Therefore, the setup for the triple integral to find the volume of the solid bounded by the cone and the sphere is:

∫∫∫ -√(x² + y²) ≤ z ≤ √(8 - x² - y²) dy dx dz,

with the limits of integration as described above.

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Surveying and Search and Rescue activities are two such jobs that make use of indirect measurement.

Surveying is one occupation that makes use of the indirect measuring technique. Building heights, tree heights, and the height of other structures are all measured using angle of elevation by surveyors. Surveyors can determine the height of an object by measuring the angle between a ground reference point and the top of the construction. When the structure is inaccessible or risky to climb, this strategy is especially helpful.

Search and rescue activities are another industry that applies the indirect measuring technique. Search and rescue teams may employ angle of depression to find people or groups that have gotten lost in remote or hilly areas. Teams can calculate the distance to the missing person by measuring the angle between the searcher's line of sight and the ground. When visibility is restricted and other search techniques have proven fruitless, this method is especially helpful.

In both situations, the indirect measurement method enables experts to gather data that would otherwise be challenging or impossible to do so directly. In a number of circumstances, having this knowledge is essential for making wise decisions and acting appropriately.

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Answer:

C. 16

Step-by-step explanation:

1. Calculate the absolute value

|-8|+4(-5+9)/2

2. Reduce the fraction with 2

8+4(4/2)

3. Multiply

8+4(2)

4. Calculate

8+8 = 16

Answer:

63 points

Step-by-step explanation:

So you are trying to find out how many points you scored on the test when you got 90%,

we could do that by:

--------

70 (The totals points of the test) × 0.9 (The percentage converted into a decimal) = 63

--------

Let's double check,

so you got 63 out of 70, so when we divide 63 by 70, you would get 0.9.

0.9 converted into a percentage is 90%

Have a good day :)

Answer:

20

50+35=80

180-80= 100

100-80=20

Answer:

A b or c

Step-by-step explanation:

Easy shahhshhshs free points hehe

Answer: The amount of money you would have in 5 years if you could save your entire salary with a 1.2% increase every year would be $87,357.41.

Explanation:

The initial term, a₁, is $74,000, and the common ratio, r, is 1 + 1.2% = 1.012. To find the sum of the first 5 terms, we use the formula for a finite geometric series:

S₅ = a₁(1 - r⁶)/(1 - r)

Plugging in the values, we get:

S₅ = $74,000(1 - 1.012⁵)/(1 - 1.012) = $87,357.41 (rounded to the nearest cent)

Therefore, if you save your entire salary, you would have approximately $87,357.41 in 5 years with a 1.2% increase every year.

Answer:

YES

Step-by-step explanation:

There is only one input for one output

Answer:

Different solids have different melting points depending on the strength of bonding between the particles and the mass of the particles. Essentially, the heavier the particles in the solid, and the stronger the bonding, the higher the melting point.

Step-by-step explanation:

Hope this helps!

The evaluation of the given integral results in the value of e, which represents the portion of the unit ball lying in the first octant.

To evaluate the integral ∫∫∫e xex^2 y^2 z^2 dv, where e represents the portion of the unit ball x^2 + y^2 + z^2 ≤ 1 that lies in the first octant, we need to determine the limits of integration and the integrand. In the first octant, x, y, and z are all positive. The integral is a triple integral over the region defined by x^2 + y^2 + z^2 ≤ 1. Since the unit ball is symmetric about the origin, we can restrict the integration to the first octant.

Using spherical coordinates, we have x = r sin φ cos θ, y = r sin φ sin θ, and z = r cos φ, where r represents the radial distance, and φ and θ are the spherical angles.

The limits of integration are:

r: 0 to 1,

φ: 0 to π/2,

θ: 0 to π/2.

The integrand is x e^x^2 y^2 z^2. After substituting the spherical coordinates and performing the integration, the resulting value of e represents the desired portion of the unit ball lying in the first octant.

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Answer: x = 18

explanation: By adding 11 and 7 you get 18

Answer:

Step-by-step explanation:

\(\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}\)

The area under the density curve from 6 to 40 can be calculated by subtracting the area under the density curve from 0 to 6 (0.15) from the total area under the curve (1).

The total area under the density curve represents the probability of the random variable taking any value within its sample space. In this case, the sample space is from 0 to 40. Since it is a continuous random variable, the total area under the curve is equal to 1.

Given that the area under the density curve from 0 to 6 is 0.15, we can calculate the area under the curve from 6 to 40 by subtracting 0.15 from 1.Area from 6 to 40 = Total area under curve - Area from 0 to 6

Area from 6 to 40 = 1 - 0.15

Area from 6 to 40 = 0.85

Therefore, the area under the density curve from 6 to 40 is 0.85. This represents the probability of the random variable taking a value between 6 and 40 in the given sample space.

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The increase in price (8.20%) is less than the interest she would have paid (12 payments of $7125), it seems that postponing her purchase and saving money was a good trade-off for Dorothy.

The APR (Annual Percentage Rate) for Dave's loan can be calculated

using the formula:

APR = ((Total interest + Service charge) / Principal) * 100

In this case, the total interest is $44.90 and the service charge is $6.40.

The principal is $600. Plugging these values into the formula:

APR = (($44.90 + $6.40) / $600) * 100

Simplifying the equation:

APR = ($51.30 / $600) * 100

APR = 8.55%

For Dorothy, if she bought the dishwasher on credit, the total cost would

be $855.00 after making 12 monthly payments of $7125.

However, if she saved $70.00 a month for one year, she would have

$898.80 in deposits plus interest.

When she goes back to the store, the dishwasher now costs $908.88,

which is an increase of 8.20%.

Since the increase in price (8.20%) is less than the interest she would

have paid (12 payments of $7125), it seems that postponing her purchase

and saving money was a good trade-off for Dorothy.

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We can Long Division method to solve quotients step by step

What is long division method and its steps ?

When splitting huge numbers, the task is divided into several sequential parts using the long division approach. The dividend is divided by the divisor, just as in conventional division problems, and the result is known as the quotient; occasionally, it also produces a remainder.

We need to comprehend a few stages in order to divide. A vinculum or right parenthesis separates the dividend from the quotient, while a vertical bar separates the divisor from the dividend. Let's now go through the long division stages listed below to comprehend the procedure.

1. Take the dividend's first digit starting from the left . Verify if this digit exceeds or is equal to the divisor.

2. Next, divide it by the divisor, and write the result as the quotient on top.

3. Subtract the outcome from the digit, and then put the difference below.

Step 4: Decrease the dividend's subsequent digit (if present).

Step 5: Carry out Step 4 again.

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Step-by-step explanation:

divide each side by 5 is the correct justification please give thanks

Answer:

10.5.

Step-by-step explanation:

By similar  triangles:

IJ / 21 = 8 /(8+8) = 1/2

IJ / 21 = 1/2

IJ = 1/2 * 21

= 10.5.

Answer:

-4 (as - and + = -)

Step-by-step explanation:

If you like my answer than please mark me brainliest thanks

Answer:

0.5 in.

Step-by-step explanation:

1. I imagine buying 100 shares of Amazon.com Inc. on January 3, 2020, when the stock price was $93.75, investing $9,375.  

Today, October 31, 2022, the stock price of Amazon.com Inc. is $102.44.

2. The real return on my investment in Amazon.com Inc was a net loss of  7.12% or $667.60.

3. The company I selected to buy its stock three years ago was Amazon.com Inc.

4. I decided on Amazon.com Inc., hoping to earn spectacular returns since it is a multinational technology company.

5. When I consider the actual return on the stock investment in Amazon.com Inc., I think it was an unwise investment.

6. The investment returned a negative real value because I realized less than I initially invested; I actually lost about $667.60 overall.

Stock investment is the purchase of shares for an ownership interest in a publicly-listed company.

The investor makes the investment with the hope that the investee will grow and perform well over some period, enabling the investor to earn some real returns (in the form of dividends and capital appreciation).

Purchase of 100 shares Jan. 3, 2020 = $9,375 (100 x $93.75)

Sales of 100 shares Oct. 31, 2022 = $10,244 (100 x $102.44)

Tax (10%) = $1,024.40 ($10,244 x 10%)

Inflation (3%) = $307.32 ($10,244 x 3%)

Administration fee on sales (2%) = $204.88 ($10,244 x 2%)

Real Returns in dollars = $8,707.40 ($10,244 - $1,024.40 - $307.32 - $204.88)

Loss on returns = $667.60 ($8,707.40 - $9,375)

Loss percentage = 7.12% ($667.60/$9,375 x 100)

Unfortunately, Amazon.com Inc. did not pay any dividends during the period of my investment, and I really lost funds to taxes, inflation, and administration fees when I sold it.

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