Help this is due in a few minutes!!
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Answer:

2

Step-by-step explanation:

2 because I added the money and 1 shirt is $20 each shirt

Answer:

A

Step-by-step explanation:

To get the area of the badgers in yards, you would have to do 40 yds * 20 yds / 2. Your answer should be 400 yds. Then, you would change it into feet. For every one yard, it is three feet. Therefore you would multiply the 400 yds by 3 to get it into feet. Now that you have it into feet, you can multiply it by the number of 1.25 per square feet.

400 ft * 1.25 =1500.

Answer:

$6.00

Step-by-step explanation:

Divide 24 by the # of hours worked

Answer:

EASY-ACCESS CREDIT:

1. title loan with collateral

2. two-week payday loan

OPEN-END CREDIT:

1. Credit card

2. $2000 monthly line of credit

CLOSE-END CREDIT:

1. home loan

2. car loan

The division of category on the basis of type of credit would be as follows:

Easy-Access Credit

1. Title loan with collateral

2. Two-week payday loan

OPEN-END CREDIT:

1. Credit card

2. $2000 monthly line of credit

CLOSE-END CREDIT:

1. Home loan

2. Car loan

Credit is described as the amount that has been added to a specific account.

Easy-access credit is defined as the credit that is granted for an extremely short period of time and for such loans, the interests are extremely high.

While the open credit keeps the amount lent on repeat which is set at a particular limit(maximum).

Close-end credit in which the amount remains specified initially while it is being lent.

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The mean and the standard deviation for the average of the 36 measurements is given as follows:

The Central Limit Theorem defines the distribution of the sampling distribution of sample means with size n of a normally distributed variable with mean \(\mu\) and standard deviation \(\sigma\).

For the sampling distribution, the mean and the standard deviation are given as follows:

Considering the sample size of n = 36, the standard deviation is obtained as follows:

\(s = \frac{54}{\sqrt{36}} = 9\)

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Answer:

1. 6 x 16 = 96

2. 10 + 4 x 22 = 10 + 88 = 98

3. 7 x 23 = 161

Step-by-step explanation:

Answer:

True

Step-by-step explanation:

A rate is a special ratio in which the two terms are in different units. For example, if a 12-ounce can of corn costs 69¢, the rate is 69¢ for 12 ounces. This is not a ratio of two like units, such as shirts. This is a ratio of two unlike units: cents and ounces

it should be true. Let me know if I'm incorrect.

The probability that neither student passes the final exam is 0.0104.

Here, we are given two independent events with probabilities as follows-

Probability that student 1 passes the final exam = 0.92

⇒ Probability that student 1 does not pass the final exam = 1 - 0.92

= 0.08

Similarly, the probability that student 2 passes the final exam = 0.87

⇒ Probability that student 2 does not pass the final exam = 1 - 0.87

= 0.13

Now, we need to find the probability that neither student passes the final exam. This will be given as follows-

0.08 × 0.13

= 0.0104

Thus, the probability that neither student passes the final exam is 0.0104.

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Answer:

3/2

Step-by-step explanation:

The equation involves both sin²(φ) and cos²(φ), as well as sin²(θ), which indicates that the surface has a more complex shape, possibly involving rotational symmetry.

To identify the surface whose equation is given as ρ²(sin²(φ) sin²(θ) + cos²(φ)) = 81, we can follow these steps:

Rewrite the equation
We have the equation: ρ²(sin²(φ) sin²(θ) + cos²(φ)) = 81

Isolate ρ²
We can rewrite the equation as: ρ² = 81 / (sin²(φ) sin²(θ) + cos²(φ))

Find ρ
Take the square root of both sides to find ρ: ρ = √(81 / (sin²(φ) sin²(θ) + cos²(φ)))

The given equation represents a surface in spherical coordinates (ρ, φ, θ). Since ρ (the radial distance) is expressed in terms of φ and θ, the surface is not a simple sphere or ellipsoid. The equation involves both sin²(φ) and cos²(φ), as well as sin²(θ), which indicates that the surface has a more complex shape, possibly involving rotational symmetry.

However, without further information, it's difficult to provide a specific name for this type of surface.

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Answer:

https://estudy-helpers.com/mathematics/question12030669#

Step-by-step explanation:

I think this will help to your question

Answer:

a pyramidal prism is 1/3 the volume of a similar rectangular prism of same base and height

so V=(1/3)bh

V=36

H=6

find area of base

36=(1/3)b6

36=2b

divide both sides by 2

18=b

the area of the base is 18 square units

Step-by-step explanation:

the answer is : V= B.h

Answer:

900

Step-by-step explanation:

527 to 1sf is 500

389 to 1sf is 400

400+500=900

Answer:

900

Step-by-step explanation:

527 to 500

389 to 400

500+400=900

1.1. The probability that X is less than 0.2 is approximately 0.032. 1.2. The probability that X falls between 0.4 and 0.5 (inclusive) is approximately 0.014. 1.3. The expected value of X is 2. 1.4. The expected value of X squared is 3. 1.5. The variance of X is -1.

1.1. P(X < 0.2):

To find this probability, we need to integrate the pdf f(x) from 0 to 0.2:

P(X < 0.2) = ∫[0 to 0.2] f(x) dx

          = ∫[0 to 0.2] (6x - 6x²) dx

Evaluating this integral, we get:

P(X < 0.2) = [3x² - 2x³] [0 to 0.2]

          = (3(0.2)² - 2(0.2)³) - (3(0)² - 2(0)³)

          = 0.032

Therefore, P(X < 0.2) is approximately 0.032.

1.2. P(0.4 ≤ X ≤ 0.5):

Similarly, we integrate the pdf f(x) from 0.4 to 0.5 to find this probability:

P(0.4 ≤ X ≤ 0.5) = ∫[0.4 to 0.5] f(x) dx

                = ∫[0.4 to 0.5] (6x - 6x²) dx

Evaluating the integral:

P(0.4 ≤ X ≤ 0.5) = [3x² - 2x³] [0.4 to 0.5]

                = (3(0.5)² - 2(0.5)³) - (3(0.4)² - 2(0.4)³)

                = 0.014

Therefore, P(0.4 ≤ X ≤ 0.5) is approximately 0.014.

1.3. E(X) (expected value):

The expected value of a continuous random variable X is calculated by integrating x times the pdf f(x) over the entire range of X:

E(X) = ∫[0 to 1] x * f(x) dx

    = ∫[0 to 1] x * (6x - 6x²) dx

Evaluating the integral:

E(X) = ∫[0 to 1] (6x² - 6x³) dx

    = [2x³ - 3x⁴] [0 to 1]

    = 2(1)³ - 3(1)⁴ - (2(0)³ - 3(0)⁴)

    = 2 - 3(0) = 2

Therefore, E(X) is 2.

1.4. E(X²) (expected value of X²):

Similar to the previous calculation, we integrate x² times the pdf f(x) to find the expected value of X²:

E(X²) = ∫[0 to 1] x² * f(x) dx

      = ∫[0 to 1] x² * (6x - 6x²) dx

Evaluating the integral:

E(X²) = ∫[0 to 1] (6x³ - 6x⁴) dx

      = [3x⁴ - 2x⁵] [0 to 1]

      = 3(1)⁴ - 2(1)⁵ - (

3(0)⁴ - 2(0)⁵)

      = 3 - 2(0) = 3

Therefore, E(X²) is 3.

1.5. Var(X) (variance):

Using the shortcut formula Var(X) = E(X²) - μ², we can calculate the variance of X:

Var(X) = E(X²) - (E(X))²

      = 3 - 2²

      = 3 - 4

      = -1

The variance of X is -1.

Again, please note that a negative variance doesn't make sense for a continuous random variable. Double-check the given pdf and calculations to ensure correctness, as there may be an error in the provided information or the calculations performed.

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Answer:

No, Yes, No, Yes

Step-by-step explanation:

1. 24

Answer:

An angle is by the right angle paq is to the left

Step-by-step explanation:

hope this helped

Answer:the answer is 2/3 Step-by-step explanation:we can find the LCM of 12 and 4 and that is LCM=12 11/12 -3/12= 8/12=2/3

hope you understood

Answer:

Step-by-step explanation:

The answer is the difference between Total water and Ocean Water.

Fresh water = Total Water - Ocean Water

Total Water  =   361

Ocean Water = 335        Subtract

Fresh water   =    26       millions of Km^2

Answer:

5.95cm

Step-by-step explanation:

Given data

Area of base of cone= 120π cm^2

Volume of cone= 240π cm^3

Area of base= Area of circle

Area= πr^2

120π= πr^2

120= r^2

r= √120

r= 10.9

r= 11cm

Let us find the height of the cone

The expression for the volume of cone is given as

V= 1/3πr^2h

240π= 1/3π*11^2*h

240= 1/3*121*h

240= 40.33h

divide both sides by 40.33

h=240/40.33

h= 5.95cm

Hence the height of the cone is 5.95cm approx

Is the relation a function: C. No, because for each input there is not exactly one output.

In Mathematics, a function is typically used for uniquely mapping an independent value (input variable or domain) to a dependent value (range or output variable).

This ultimately implies that, an independent value represents the value on the x-axis of a cartesian coordinate while a dependent value represents the value on the y-axis of a cartesian coordinate.

Since the independent value (12) is mapped to multiple dependent values (-4 and -2), we can logically deduce that the relation does not represent a function.

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The number of possible ways in which we can select 3 elements from 7 elements are  given in option d. 35.

There are a total of 7 elements and we can to select 3 elements out of them.

We have to apply the permutation and combination here in order to find the answer,

The formula is ⁿCₐ

Where, C represents combination,

n is the total number of combination,

a is the number of selections that we have to do,

ⁿCₐ = n!/(n-a)!a!

Now, putting n = 7 and a = 3,

ⁿCₐ = 7!/(4)!3!

ⁿCₐ = 35

So, the total number of ways possible are 35.

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The grapefruit juice contains 0.001 times (or 0.1%) the hydrogen ion concentration of the tomato juice. In other words, the grapefruit juice is 10 times more acidic than the tomato juice.

The pH scale is a logarithmic scale that measures the acidity or alkalinity of a solution. Each unit on the pH scale represents a tenfold difference in acidity or alkalinity. A lower pH value indicates a higher acidity, while a higher pH value indicates a higher alkalinity.

Given:

pH of grapefruit juice = 3

pH of tomato juice = 4

The pH of grapefruit juice is lower than the pH of tomato juice, which means grapefruit juice is more acidic than tomato juice. To determine the difference in acidity between the two juices, we can compare the hydrogen ion concentration (H+) in each solution.

The formula to calculate the hydrogen ion concentration from the pH value is:

\([H+] = 10^{-pH}\)

For grapefruit juice:

[H+] = 10⁻³

For tomato juice:

[H+] = 10⁻⁴

Now, let's calculate the hydrogen ion concentration for each juice:

[H+] in grapefruit juice = 10⁻³ = 0.001

[H+] in tomato juice = 10⁻⁴ = 0.0001

Therefore, the grapefruit juice contains 0.001 times (or 0.1%) the hydrogen ion concentration of the tomato juice. In other words, the grapefruit juice is 10 times more acidic than the tomato juice.

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There is gain of $1,000 on the sale. The solution has been obtained by using the arithmetic operations.

What are arithmetic operations?

All real numbers are believed to be able to be described by the four fundamental operations, often known as "arithmetic operations". Quotient, product, sum, and difference are the next four mathematical operations after division, multiplication, addition, and subtraction.

We are given that an equipment costing $135,000 has a book value of $124,000 and it is sold for $125,000.

Since, the sale value is higher than the book value, therefore there is a gain.

Using arithmetic operations, we get

Gain on sale = $125,000 - $124,000

Gain on sale = $1,000

Hence, there is gain of $1,000 on the sale.

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The second part of the question i.e. how is it recorded for this transaction is related to the subject accountancy and not mathematics.

Answer: Jacinta

Step-by-step explanation: But the fraction still can be simplified to 1/7

Answer: j is correct

Step-by-step explanation:

Answer:

is this on khan academy?

Answer:  89 will go in the box

This means the exact distance between the two given points is \(\sqrt{89}\) which approximates to roughly 9.4339811

===========================================================

Explanation:

To get that answer, we can apply the distance formula

(x1,y1) = (-1,-5) is the first point

(x2,y2) = (4,3) is the second point

Plug the coordinates into the distance formula

\(d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(-1-4)^2 + (-5-3)^2}\\\\d = \sqrt{(-5)^2 + (-8)^2}\\\\d = \sqrt{25 + 64}\\\\d = \sqrt{89}\\\\d \approx 9.4339811\\\\\)

--------------------------

Alternative Method:

You could also form a right triangle by adding the point (4, -5). The horizontal leg goes from (-1,-5) to (4,-5) which is a span of 5 units. The vertical leg goes from (4,-5) to (4,3) which is a span of 8 units. The hypotenuse is from (-1,-5) to (4,3) which is the distance we want to find.

After forming the triangle and determining the leg lengths, use the pythagorean theorem and you should get \(\sqrt{89}\) as the length of the hypotenuse. As you can probably guess, the distance formula is effectively a slight rephrasing the pythagorean theorem.

The percentage of scores that are less than 144 is 85.31%, given the normal distribution.

In the question, we are given that scores on a test are normally distributed with a mean of 123 and a standard deviation of 20.

We are asked to find the percent of scores that are less than 144.

Thus, we have:

Mean, μ = 123,

Standard Deviation, σ = 20.

The value to check, x = 144.

To find the percentage score, we will use the Z-Score table, with the formula, z = (x - μ)/σ.

We are asked to calculate the percentage of scores less than 144, that is,

P(X < 144)

= P(Z < (144 - 123)/20)

= P(Z < 21/20)

= P(Z < 1.05)

= 0.8531 {From the table}

= 85.31%.

Thus, The percentage of scores that are less than 144 is 85.31%, given the normal distribution.

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