help me plass plaas me

Answer:

D. 3.2553

Step-by-step explanation:

3/3.65 + 2/0.822

0.8219 + 2.4330

3.2553

Answer:

\(\sf D) \quad 3.2553\)

Step-by-step explanation:

Simplify the given expression:

   \(\sf \dfrac{3}{\sqrt{5}+\sqrt{2}}+\dfrac{2}{\sqrt{5}-\sqrt{2}}\)

\(\sf = \dfrac{3(\sqrt{5}-\sqrt{2})}{(\sqrt{5}+\sqrt{2})(\sqrt{5}-\sqrt{2})}+\dfrac{2(\sqrt{5}+\sqrt{2})}{(\sqrt{5}+\sqrt{2})(\sqrt{5}-\sqrt{2})}\)

\(\sf = \dfrac{3(\sqrt{5}-\sqrt{2})}{3}+\dfrac{2(\sqrt{5}+\sqrt{2})}{3}\)

\(\sf = \dfrac{3\sqrt{5}-3\sqrt{2}+2\sqrt{5}+2\sqrt{2}}{3}\)

\(\sf =\dfrac{5\sqrt{5}-\sqrt{2}}{3}\)

Given:

Substitute the given values into the simplified expression:

\(\sf =\dfrac{5(2.236)-1.414}{3}\)

\(\sf =\dfrac{11.18-1.414}{3}\)

\(\sf =\dfrac{9.766}{3}\)

\(\sf =3.2553\:\:(4\:d.p.)\)

Answer:

3.2 hours

Step-by-step explanation:

You know that it takes him 1 hour to go 17 kilometers so you can divide 54.4 by 17 to get the hours.

Answer:

x = 6

Step-by-step explanation:

Using the exterior angle theorem

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

79° is an exterior angle of the triangle , then

8x - 13 + 9x - 10 = 79

17x - 23 = 79 ( add 23 to both sides )

17x = 102 ( divide both sides by 17 )

x = 6

Answer and Step-by-step explanation:

The answer is 42°.

This is because we are given an Isosceles Triangle. Isosceles Triangles always have 2 legs/sides that are the same length, and because those two sides have the same length, it means their base angles have the same value as well.

So, Since the angles LKM and KML are the base pairs of this Isosceles Triangle, they are equal to each other.

#teamtrees #PAW (Plant And Water)

The mode of a dataset is the value that appears most frequently. In this case, we need to find the interval of rainfall that occurs most frequently.

From the given data, we can see that the interval "less than 0.01 inch" has the highest frequency with 165 days. Therefore, the mode of this dataset is "less than 0.01 inch"

Effective communication is crucial in all aspects of life, including personal relationships, business, education, and social interactions. Good communication skills allow individuals to express their thoughts and feelings clearly, listen actively, and respond appropriately. In personal relationships, effective communication fosters mutual understanding, trust, and respect.

In the business world, it is essential for building strong relationships with clients, customers, and colleagues, and for achieving goals and objectives. Good communication also plays a vital role in education, where it facilitates the transfer of knowledge and information from teachers to students.

Moreover, effective communication skills enable individuals to engage in social interactions and build meaningful connections with others. Therefore, it is essential to develop good communication skills to succeed in all aspects of life.

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Answer:

Step-by-step explanation:

10/40

Answer:

104

Explanation:

1. Split the figure by the line the larger portion creates.

2. Calculate the area of the left-hand side... 7 · 8 = 56cm squared.

3. You know that the total length of the figure is 15cm. You've already "used" 7cm of that. So... 15 - 7 = 8.

4. Now, we simply do 6 · 8 = 48. Almost there!

5. Finally, add the values of the left side and the right side (48 + 56 = 104)

6. YOUR ANSWER IS 104 cm squared.

There can be infinitely many pair of integers that have the sum -12.

Example:

1. (-24), (12)

2. (-10), (-2)

3. (-12), (0)

Answer:

Multiple pairs.

Step-by-step explanation:

There are a lot of solutions to this problem. For example:

(-24)+12

(-36)+24

(-48)+36

and so forth.

Answer:

A

Step-by-step explanation:

The reason it has to be A is because you don't have to even thing about the standard deviation right here because the only answer that has a mean of 131 is answer A.

Hope it helps have a great afternoon:)

Answer:

See below

Step-by-step explanation:

\(\frac{sin\alpha+tan\alpha}{tan\alpha}\)

\(\frac{sin\alpha}{tan\alpha}+\frac{tan\alpha}{tan\alpha}\)

\(\frac{sin\alpha}{tan\alpha}+1\)

\(\frac{sin\alpha}{\frac{sin\alpha}{cos\alpha}}+1\)

\((\frac{sin\alpha}{1}*\frac{cos\alpha}{sin\alpha})+1\)

\(cos\alpha+1\)

Hence, \(\frac{sin\alpha+tan\alpha}{tan\alpha}=1+cos\alpha\)

Answer:

Yes, they are equivalent.

Step-by-step explanation:

Both of the expressions equal to 77. 42+35 is easy, just add to get 77. To solve 7(6+5) remember PEMDAS which tells you to do parentheses first. So add 6+5, which is 11, then multiply by 7. 11*7 is 77, therefore the expressions are equivalent.

Answer:

The answer is m = 8 + 2p.

m = 2n

n = 4 + p

m = 2(4 + p) = 8 + 2p

Therefore, the only formula that is also true is m = 8 + 2p.

Step-by-step explanation:

Answer:

From the given equation-

4(3p+2)−5(6p−1)=2(p−8)−6(7p−4)

⇒12p+8−30p+5=2p−16−42p+24

⇒−18p+13=−40p+8

⇒−18p+40p=8−13

⇒22p=−5

⇒p=

22

−5

.

Step-by-step explanation:

basicly what I said

If it is found that r​₀ (Pearson correlation coefficient) is equal to 0, it indicates that there is no linear association between the two variables (body temperature and head circumference) in the sample.

The Pearson correlation coefficient, denoted by r, measures the strength and direction of the linear relationship between two variables. It ranges between -1 and +1, where -1 indicates a perfect negative linear relationship, +1 indicates a perfect positive linear relationship, and 0 indicates no linear relationship.

In this case, if the calculated r₀ is equal to 0, it suggests that there is no linear association between body temperature and head circumference in the sample of twenty statistics students. However, it's important to note that the absence of a linear association does not necessarily imply the absence of any relationship between the variables. There might still exist a non-linear relationship or other forms of association that are not captured by the Pearson correlation coefficient.

To determine the presence or absence of any association between the variables, it is advisable to examine additional measures, such as conducting hypothesis tests or considering other types of correlation coefficients, depending on the nature of the data and the research question. Additionally, considering the sample size of twenty students, it is crucial to interpret the results with caution and avoid generalizing the findings to the entire population.

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Applying the Pythagoras Theorem, the length of RS = 8 units.

According to the figure,

Diameter = 16 +4 = 20 units

So, the Radius = Diameter/2 = 20/2 = 10 units

Now,

Let the center be M, then

MT = 10 - 4 = 6 units

RT = x units

The radius is perpendicular to the chord,

So, MTR will be a right-angled triangle,

We will apply the Pythagoras theorem,

So, we have :

\(RT^{2} +TM^{2} =RM^{2}\)

Here, RT = x units

TM = 6 units and RM = radius = 10 units

Putting these values in the Pythagoras theorem,

\(x^{2} +6^{2} =10^{2}\\x^{2} + 36 = 100 \\x^{2} = 100 - 36 = 64\\x^{2} = 64 \\x = 8\)

Thus, the length of RS = 8 units.

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FMECA is a bottom-up hardware approach to risk assessment. It is an inductive, or data-driven, linking elements of a failure chain as follows: Effect of Failure, Failure Mode, and Causes/Mechanisms. To estimate the reliability of software, most software prediction models use the probability density function to predict "Mean Time To Failure."

FMECA is a systematic and structured analytical methodology used to identify potential failures in a system, equipment, process, or product, and to assess the effect and probability of those failures. FMECA stands for Failure Modes, Effects, and Criticality Analysis. FMECA is similar to FMEA (Failure Modes and Effects Analysis) in that it is used to identify failure modes and assess their risk.

However, FMECA goes beyond FMEA by analyzing the criticality of each failure mode. This makes it an effective tool for identifying the most significant failure modes and prioritizing them for corrective action. A Probability Density Function (PDF) is a function that describes the likelihood of a random variable taking on a particular value.

PDF is used in software prediction models to estimate the reliability of software by predicting "Mean Time To Failure" (MTTF). MTTF is the average time between failures of a system, equipment, process, or product.

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Answer:

x = 4

y = 8

Steps are given, below in the picture

I hope my answer helps you.

Step-by-step explanation:

Use trigonometric ratios to get one of the missing sides. Once you have that side you can use the theorem of pythagoras or you can use a trig ratio to get the remaining side.

SOH CAH TOA

Answer:x=-215

Step-by-step explanation: hope this helps!

750 mL is equivalent to 25.36 oz.

When measuring liquids, the metric system and the US customary system are commonly used. In the metric system, the standard unit of measurement for liquids is milliliters (mL) and in the US customary system, it's ounces (oz).

To convert between these units, you can use a conversion factor.

One way to convert mL to oz is to use the conversion factor of 1 oz = 29.5735 mL. To find the number of ounces in 750 mL, you can use this conversion factor to set up an equation:

750 mL = x oz

Where x is the number of ounces you want to find. To solve for x, you can divide both sides of the equation by the conversion factor:

x = 750 mL / 29.5735 mL/oz

x = 25.36 oz

It's important to note that this is an approximation and for more accurate measurements, you should use an online calculator or consult a chart.

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Answer:

I guess please finish the question or this is the numbers I had.

Step-by-step explanation:

Worthington family would not be able to apply for the loan to purchase a new home because their net worth is less than $100,000

The given parameters are:

Student loan = $85,400

Earnings =  $42,500 per year

Savings account balance = $18,800.

Vehicles worth = $64,600.

Necklace value = $6,200.

College fund balance =  $24,700

The net worth is the sum of the family's earnings, account balance minus the loans.

So, we have:

Networth = $42,500 + $18,800 + $64,600 + $6,200 + $24,700 - $85,400

Evaluate the sum and the difference

Networth = $71,400

The above means that the Worthington family would not be able to apply for the loan

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We would need 453 more observations to increase your confidence level to 95% certainty.

To determine the required number of observations to be 90% sure of being within ±2.5% of the population mean for an activity occurring 30% of the time, we'll use the sample size formula for proportions:

n = (Z^2 * p * (1-p)) / E^2

Here, n is the sample size, Z is the z-score corresponding to the desired confidence level, p is the proportion (30% or 0.30), and E is the margin of error (±2.5% or 0.025).

For a 90% confidence level, the z-score (Z) is 1.645. Plugging the values into the formula:

n = (1.645^2 * 0.30 * (1-0.30)) / 0.025^2
n ≈ 1023.44

So, you would need approximately 1024 observations to be 90% sure of being within ±2.5% of the population mean.

To increase the confidence level to 95%, the z-score (Z) changes to 1.96. Using the same formula:

n = (1.96^2 * 0.30 * (1-0.30)) / 0.025^2
n ≈ 1476.07

So, you would need approximately 1477 observations for a 95% confidence level.

To find the additional number of observations needed, subtract the initial sample size from the new sample size:

1477 - 1024 = 453

Therefore, you would need 453 more observations to increase your confidence level to 95% certainty.

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The factor that represents the area of the yard that can be mowed is (225 - x²).

What is area?

An object's area is how much space it takes up in two dimensions. It is the measurement of the quantity of unit squares that completely cover the surface of a closed figure.

The total area of the lawn is given by the formula -

Area of square lawn = (side length of square lawn)²

= (15 yards)²

= 225 square yards

The shed is also a square, with side length x yards.

So, the area of the shed is -

Area of square shed = (side length of square shed)²

= x²

To find the area of the yard that can be mowed, we need to subtract the area of the shed from the total area of the lawn -

Area of yard that can be mowed = Area of square lawn - Area of square shed

= 225 - x²

Therefore, the value is obtained as (225 - x²).

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Answer:

2x² - 3x - 2

Step-by-step explanation:

Given

(x - 2)(2x + 1)

Each term in the second factor is multiplied by each term in the first factor, that is

x(2x + 1) - 2(2x + 1) ← distribute both parenthesis

= 2x² + x - 4x - 2 ← collect like terms

= 2x² - 3x - 2

Answer:

2x2−3x−2

Step-by-step explanation:

Simplify

(x−2)(2x+1)

=(x+−2)(2x+1)

=(x)(2x)+(x)(1)+(−2)(2x)+(−2)(1)

=2x2+x−4x−2

Answer:

no

Step-by-step explanation:

it is irrational.

Answer:

25

Step-by-step explanation:

You need to 25 on both sides  for completing the square. It would give you the expanded form of (x - 5)².

Hope it helps.

;)

<3

Answer:

=11

Step-by-step explanation:

= -1 - 2(8)+7(4)

=-1-16+7(4)

= -1-16+28

=11

Step-by-step explanation:

-1^2-16+28

-1^2+12

-1+12=11

Answer:

Car A was 20 miles east of car B.

Step-by-step explanation:

just did it:)

To find the first five terms of an arithmetic sequence, we need the given term and the common difference.

Let's denote the given term as "a" and the common difference as "d."

The explicit formula for an arithmetic sequence is:

an = a + (n - 1) * d

where "an" represents the nth term in the sequence.

Now, let's calculate the first five terms using the given term and the common difference:

Term 1: a1 = a

Term 2: a2 = a + d

Term 3: a3 = a + 2d

Term 4: a4 = a + 3d

Term 5: a5 = a + 4d

These are the first five terms of the arithmetic sequence.

As for the explicit formula, we can observe that the common difference "d" is added to each term to get the next term. So, the explicit formula for this arithmetic sequence is:

an = a + (n - 1) * d

where "a" is the given term and "d" is the common difference.

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The given differential equation is `(27xy + 45y²) + (9x² + 45xy)y' = 0`.We have to solve this differential equation by using integrating factor `u(x, y) = (xy(2x+5y))-1`.The integrating factor `u(x,y)` is given by `u(x,y) = e^∫p(x)dx`, where `p(x)` is the coefficient of y' term.

Let us find `p(x)` for the given differential equation.`p(x) = (9x² + 45xy)/ (27xy + 45y²)`We can simplify this expression by dividing both numerator and denominator by `9xy`.We get `p(x) = (x + 5y)/(3y)`The integrating factor `u(x,y)` is given by `u(x,y) = (xy(2x+5y))-1`.Substitute `p(x)` and `u(x,y)` in the following formula:`y = (1/u(x,y))* ∫[u(x,y)* q(x)] dx + C/u(x,y)`Where `q(x)` is the coefficient of y term, and `C` is the arbitrary constant.To solve the differential equation, we will use the above formula, as follows:`y = [(3y)/(x+5y)]* ∫ [(xy(2x+5y))/y]*dx + C/[(xy(2x+5y))]`We will simplify and solve the above expression, as follows:`y = (3x^2 + 5xy)/ (2xy + 5y^2) + C/(xy(2x+5y))`Simplify the above expression by multiplying `2xy + 5y^2` both numerator and denominator, we get:`y(2xy + 5y^2) = 3x^2 + 5xy + C`This is the general solution of the differential equation.

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Answer:

Your wrong, it’s B.

X axis = Number of Bottles of water sold

Y axis = Number of dollars collected

So, (x,y)

That means, (Number of Bottles of water sold,Number of dollars collected)

Finally, (10,20) means he sold 10 bottles of water for $20.

Hope that helped!

Step-by-step explanation:

anwers:

B: cameron sells 10 bottles of water for $20