Math geometry question please help

Answer:-9

Step-by-step explanation: Divide each term by -25 and simplify

Cluster sampling is a type of sampling method where the population is divided into groups or clusters, and then a random selection of clusters is chosen for analysis.

In cluster sampling, the population (machines in this case) is divided into groups or clusters (e.g., based on their location or other relevant factors). Instead of individually selecting machines, entire clusters are randomly chosen. This means that all machines within the selected clusters are included in the sample for analysis.

Cluster sampling is beneficial when it is more practical or efficient to sample groups rather than individual units. By analyzing the selected clusters, one can infer the overall performance of the machines in the manufacturing process.

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Let the shorter piece be x. The longer piece is 4 times the length of the other, so it is 4x.

4x + x = 160.

5x = 160

x = 32

4x = 128

The length of the shorter piece is x, which is 32.

Answer:

1

Step-by-step explanation:

Because the shape divided has to create another shape and for 1 it's an oval at the beginning and then after the lines of symmetry go through its seen as 8 triangles.

Answer:

4/5x -1/2 +8/5x = 12/5x -1/2

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The mass of the one-dimensional object (the wire) is approximately 34.392 kg.

To find the mass of the one-dimensional object (the wire), you'll need to integrate the density function \((\rho(x) = x^2 + 5x)\) over the length of the wire. The wire is 12 ft long, but the density function is given in kg/m, so you'll first need to convert the length of the wire to meters.

1 ft = 0.3048 m, so 12 ft = 12 * 0.3048 = 3.6576 m.

Now integrate the density function over the length of the wire (from x = 0 to x = 3.6576 m).

Step 1: Set up the integral
∫\((x^2 + 5x) dx\) from 0 to 3.6576

Step 2: Find the antiderivative of the integrand
Antiderivative of \(x^2\) is \((x^3)/3\), and the antiderivative of 5x is \((5x^2)/2\).
So, the antiderivative is \((x^3)/3 + (5x^2)/2\).

Step 3: Evaluate the antiderivative at the upper and lower limits and subtract
\([(3.6576^3)/3 + (5(3.6576^2))/2] - [(0^3)/3 + (5(0^2))/2] = 34.392 kg\) (approx.)

So, the mass of the one-dimensional object (the wire) is approximately 34.392 kg.

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Answer:

its the second one b <

Step-by-step explanation:

We can say with 99% confidence that the true mean price of all transactions is between $2,799.16 and $3,000.84.

To obtain a 99% confidence interval for the mean price of all transactions, we can use the formula:

CI =  ± z*(σ/√n)

Where:
= sample mean price = 2900 dollars
σ = population standard deviation = 290 dollars
n = sample size = 30
z = z-score for a 99% confidence level = 2.576 (from the standard normal distribution table)

Substituting these values into the formula, we get:

CI = 2900 ± 2.576*(290/√30)
CI = 2900 ± 100.84
CI = (2799.16, 3000.84)

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$775 at 6% simple interest for 3 years.

Substituting the given values in the formula, We get,

\( \sf: \implies \dfrac{775 \times 6 \times 3}{100} \)

Calculating further, We get,

\( \sf: \implies \dfrac{13950}{100} \)

Dividing, We get,

\( \sf: \implies \$ 139.50\)

∴ The Simple Interest is $139.50

The angle is 25 degrees

Let the measure of the angle be x

So, we have

Complement = 90 - x

Supplement = 180 - x

The sum is 220

So, we have

90 - x + 180 - x= 220

Evaluate the sum

-2x + 270 = 220

Solve for x

x = 25

Hence, the angle is 25 degrees

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Answer:

Quadratic formula

Answer:

Angle 8

Step-by-step explanation:

consider the following image

Answer:

Step-by-step explanation:

The angles in matching corners are called Corresponding Angles.

The angle that corresponds with ∠4 is ∠8 as both of them are on the bottom right corner.

Answer:

   120 possible combinations

Step-by-step explanation:

We have to find the combination of 10 students in 3 positions, where the order does not matter.

\(n=10\\r=3\\\)

Then, the combination can be calculated as :

\(C(n.r)= \frac{n!}{(n-r)!r!} \\C(10,3)=\frac{10!}{10-3)!3!} =\frac{10!}{7!.3!} = \frac{10.9.8}{3.2} =\frac{720}{6} =120\)

Answer : 120 possible combinations

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Answer:

−4+y

Step-by-step explanation:

3+(−7+y)

Subtract 7 from 3 to get −4.

−4+y

To determine Emma's federal income tax (FIT) withholding, we need to consider her annual salary, pay frequency, filing status, and the standard withholding allowances.

Given that Emma earns an annual salary of $84,400 and is paid biweekly, we can calculate her gross biweekly salary by dividing the annual salary by the number of pay periods in a year. Assuming there are 26 pay periods in a year for biweekly payments:

Gross biweekly salary = Annual salary / Number of pay periods

                    = $84,400 / 26

                    = $3,246.15 (rounded to two decimal places)

Next, we need to determine Emma's withholding allowances based on her filing status. Since she selected "married filing jointly" and is using the standard withholding, the default number of allowances for this status is usually higher compared to single or married filing separately. However, the specific number of allowances can vary based on personal circumstances.

As of my knowledge cutoff in September 2021, the standard withholding allowances for married filing jointly were as follows:

First allowance: $4,300

Additional allowances: $4,400

Please note that tax laws can change, and it's advisable to consult the latest IRS guidelines or use an online tax calculator to get accurate withholding information.

To calculate Emma's FIT withholding, we'll subtract her allowances from her gross biweekly salary and apply the appropriate tax rates. For simplicity, let's assume Emma has one withholding allowance:

Total allowances = First allowance + Additional allowances

               = $4,300 + $4,400

               = $8,700

Taxable income = Gross biweekly salary - Total allowances

             = $3,246.15 - $8,700

             = -$5,453.85 (negative because allowances exceed the salary)

Since the taxable income is negative, Emma's FIT withholding should be $0. In this case, no federal income tax will be withheld from her biweekly paychecks. However, please note that Emma may still owe taxes when filing her annual tax return if her other sources of income or deductions are not accounted for in her withholding calculations.

It is the 3rd one from the top

Answer:

I believe the answer would be C.

Step-by-step explanation:

First of all, the solution to the answer really is 1/20. If you figure out the decimal form of 4/5, it is 0.80, which is closer to 1 than to 1/2 and 0. The decimal form of 3/4 is 0.75, which is equally close to 1 and 1/2, being 0.25 from both. But it is closer to 1 than 0. I hope I’m right, and I hope this helps. :)

Answer:

-5

Step-by-step explanation:

Make:

(-5)³ = (-5)×(-5)×(-5) = 25×(-5) = -125

Answer:

i think its b sorry if im wrong

Step-by-step explanation:

correct Factor for the euqtion are 2x² - 50 = 2(x + 5)(x - 5)

The given expression is 2x² - 50.

To factor completely, we can take out the common factor 2 to get 2(x² - 25).

Next, we can further factor the expression inside the parentheses using the difference of squares formula:

x² - 25 = (x + 5)(x - 5).

Therefore,2x² - 50 = 2(x² - 25) = 2(x + 5)(x - 5).

Hence, the completely factored form of 2x² - 50 is 2(x + 5)(x - 5).

The answer that includes the terms "Factor", "Prime", "completely" is:

Factor completely 2x² - 50 = 2(x + 5)(x - 5).

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The Wonderful Wizard of Oz, according to American historian Henry Littlefield, was a metaphor for the 1890s Populist movement, which was an uprising by disaffected manufacturing and agricultural workers to gain control from the financial elite. Littlefield made this claim in 1964.

Judy Garland's character Dorothy and her dog Toto are carried away in their home to the fantastical country of Oz as a cyclone tear across Kansas.

As they travel along the Yellow Brick Road to the Emerald City to visit the Wizard, they encounter characters like the brainless Scarecrow (Ray Bolger), the heartless Tin Man (Jack Haley), and the Cowardly Lion (Bert Lahr).

The Wizard of Oz set and filming process was toxic, from bosses demanding their injured and sickly players return to set despite still needing to heal to the director smacking a 16-year-old and forcing her to take drugs to control her hunger and keep thin.

Therefore, the Wonderful Wizard of Oz, according to American historian Henry Littlefield, was a metaphor for the 1890s Populist movement, which was an uprising by disaffected manufacturing and agricultural workers to gain control from the financial elite. Littlefield made this claim in 1964.

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The ratio of daisies to roses in the vase which contains 14 flowers is; 9 : 5.

Evidently, the vase of flowers contains only 2 kinds of flowers namely;

According to the question, there are 5 roses and the rest are daisies.

Therefore, the number of daisies is;

14 - 5 = 9.

As such, there are 5 roses and 9 daisies in the flower vase.

Therefore, the ratio of daisies to roses is;

9 : 5

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With a credit card balance of $17,426, a minimum monthly payment of $461, and an interest rate of 15.5%, we need to calculate the number of years it will take to pay off the card without adding any additional debt.

To determine the time required to pay off the credit card, we consider the monthly payment and the interest rate. Each month, a portion of the payment goes towards reducing the balance, while the remaining balance accrues interest.

To calculate the time needed for repayment, we track the decreasing balance each month. First, we determine the interest accrued on the remaining balance by multiplying it by the monthly interest rate (15.5% divided by 12).

We continue making monthly payments until the remaining balance reaches zero. By dividing the initial balance by the monthly payment minus the portion allocated to interest, we obtain the number of months needed for repayment. Finally, we divide the result by 12 to convert it into years.

In this scenario, it will take approximately 3.81 years to pay off the credit card (17,426 / (461 - (17,426 * (15.5% / 12))) / 12).

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Answer:

2.548 pascal

Step-by-step explanation:

force=mass×acceleration due to gravity

force=39×9.8

pressure(p)=force/area

p=382.2/150

p=2.548 pa

Answer:

The time spent by a physician with a patient

Step-by-step explanation:

Option C is the answer

The graph of the function is graph (b)

From the question, we have the following parameters that can be used in our computation:

f(x)=x−2−−−−√3

Express properly

So, we have

f(x) = √(x − 2)  + 3

The above equation is a square root equation

So, the parent function is

y = √x

When the parent function is compared to the given function, we have

2 units right and 3 units up

This is represented by the graph (b)

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The probability of not selecting a green marble is equal to the total number of non-green marbles in the bag divided by the total number of marbles in the bag.

To calculate the probability: there are three green marbles out of a total of twenty-five marbles, so the probability of selecting a green marble is 3/25.

The likelihood of not selecting a green marble is then 1 - 3/25 = 22/25.

This is equal to 22/25 * 100 = 88% as a percentage.

As a result, P(not green) = 88%

Probability denotes the possibility of something happening. It is a mathematical branch that deals with the onset of a random event. The value ranges from zero to one. Probability has been tried to introduce in mathematics to predict the probability of events occurring. Probability is defined as the degree to which something is likely to occur. This is the fundamental probability theory, which is also used in probability distribution, in which you will learn about the possible outcomes of a random experiment.

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Answer:

landline

hshdjdh

dbbdhdhdh

bdbdhdhdhe

Answer:

Router

Step-by-step explanation:

Hope this helps

The binomial probability model is useful in situations with discrete-valued numerical variables. Hence, the answer is option (a) discrete-valued numerical variables.

The binomial distribution is a probability model that describes the number of successes in a fixed number of independent trials, where each trial has only two possible outcomes (e.g., success or failure, heads or tails, etc.).

The binomial distribution can be used to model a wide range of real-world scenarios, such as the number of defective products in a batch of goods, the number of heads in a series of coin flips, or the number of people who respond positively to a survey question.

Therefore, the correct option is (a)  discrete-valued numerical variables.

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