What is 254, 920 rounded to the nearest ten thousand?
250,000
O 254,000
O 255,000
260,000

If the balance must be paid in 90 days and the initial date is June 6, then there are 24 days untill June 30, plus 31 days for July makes 61 days. There are 29 days left, therefore, teh payment must be done on August 29.

The amount of sales tax is $87.79.

Given a total purchase price of a sofa as $1,254.07 and state taxes of 7%.

We are required to calculate the amount of sales tax.

The amount of sales tax can be calculated by multiplying the purchase price by the sales tax rate.

Let's represent the sales tax rate by `r`.

Therefore, the sales tax formula is expressed as:

Sales tax = r * purchase price

In this case, the rate of the sales tax `r` is 7%.

Therefore, we have:r = 7% = 0.07

Now we substitute the values given into the formula:

Sales tax = 0.07 * $1,254.07= $87.79

Therefore, the amount of sales tax is $87.79.

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Answer:

5x - 4y = -20

y = x + 5

y = -x + 5

Step-by-step explanation:

The formula for slope-intercept form is y = mx + b, with b being the y-int.

If the equation does not have an x, y, or b, it is not a slope-intercept form.

5x - 4y = -20 (can be rearranged to y = 5/4x + 5)

y = 1, x = 5/4, b = 5

y = x + 5y

x = 1, y = 1, b = 5

y = -x + 5

x = -1, y = 1, b = 5.

Other answer choices does not have all three variables.

According to the given statement , the unknown values representing the unit rate are a = 1/22 and b = 1/22.

In a proportional relationship, the unit rate is the constant ratio between the two quantities. To find the unit rate, we need to compare the number of nails to the number of boxes. Looking at the table, we see that as the number of boxes increases, the number of nails also increases.

To find the unit rate, we can divide the number of nails by the number of boxes for each row.

For the first row: a/b = 4/88
For the second row: a/b = 6/132
For the third row: a/b = 8/176

Simplifying these fractions, we find that the unit rate for each row is 1/22, 1/22, and 1/22 respectively.

Therefore, the unknown values representing the unit rate are a = 1/22 and b = 1/22.

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Step-by-step explanation:

your text misses some parts.

so, there is no clear way to tell you the correct answer option. but there are some indications what is more likely your teacher wants to see as an answer, when we look at the individual options.

x² + 16x + 64 = 800

is the same as

(x + 8)² = 800

and then

x + 8 = sqrt(800) = 28.28427125...

x = 20.28427125...

not a nice number, but yes, a possible solution.

x² + 8x + 16 = 800

is the same as

(x + 4)² = 800

x + 4 = sqrt(800) = 28.28427125...

x = 24.28427125...

again, not a nice number, but yes, a possible solution.

I ignore "none of the choices are correct". again you did not provide enough information to make that call, as we have already 2 possibly valid solutions.

x² + 16 = 800

x² = 784

x = sqrt(784) = 28

that is a "nice" number and a possible solution.

I would therefore bet on this answer, although, as mentioned, it is not clear what we actually try to find out.

Answer:

1/3(x+5)

Step-by-step explanation:

f(x) = 3x-5

y = 3x-5

Exchange x and y

x = 3y-5

Solve for y

Add 5 to each side

x+5 = 3y

Divide each side by 3

1/3 ( x+5) = 3y/3

1/3 ( x+5) = y

The inverse is 1/3(x+5)

Answer:

\(f^{-1}(x)=\frac{x+5}{3}\)

Step-by-step explanation:

\(f(x)=3x-5\)

\(\mathrm{We \: need \: to \: find \: the \: inverse \: of \: the \: function.} \\ \mathrm{The \: inverse \: of \: a \: function \: reverses \: the \: original \: function.}\)

\(\mathrm{Plug \: f(x) \: as \: y.}\)

\(y=3x-5\)

\(\mathrm{Solve \: for \: x.}\)

\(\mathrm{Add \: 5 \: to \: both \: sides \: of \: the \: equation.}\)

\(y+5=3x\)

\(\mathrm{Divide \: both \: sides \: of \: the \: equation \: by \: 3.}\)

\(\frac{y+5}{3} =x\)

\(\mathrm{Switch \: variables.}\)

\(\frac{x+5}{3} =y\)

\(\mathrm{Plug \: y \: as \: f^{-1}(x).}\)

\(f^{-1}(x)=\frac{x+5}{3}\)

Answer:

first one (2*2*2*3*3)

Step-by-step explanation:

2*2*2*3*3=72

The volume of the region outside the cone phi = pi /4 and inside the sphere rho = 4 cos phi. The volume is 63.717

The limits of integration for ρ are 0 and 4 cos∅, since the sphere has a radius of 4 cos phi. The limits for phi are π/4 and π/2 because we want to consider the region outside the cone but inside the sphere, and phi is the angle between the positive z-axis and the position vector of the point. Finally, the limits for theta are 0 and 2π because theta is the azimuthal angle and we want to integrate over the entire azimuthal angle.

The volume of the region is therefore given by:

V = 8 x ∫(0 to 2π) ∫(π/4 to π/2) ∫(0 to 4 cos∅) ρ²

Simplifying the integral using the base number, we get:

V = 8 x (64/3 - 16/3√2π) = 63.717

Therefore, the volume of the region outside the cone phi = π/4 and inside the sphere ρ = 4 cos∅ is 8 (64/3 - 16/3√2π), which is the exact answer using π as needed.

Complete Question:

Use spherical coordinates to find the volume of the region outside the cone phi = pi /4 and inside the sphere rho = 4 cos phi. The volume is?

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Answer:

Maria has 63 nickels

Answer:

63 nickels

Step-by-step explanation:

630/30=21

21*3=63

The statement that describes parallelism is option C: a surface of revolution having all points equidistant from a common axis. Parallelism refers to the condition in which lines or surfaces are equidistant and never meet.

In the case of surfaces of revolution, all points on the surface are equidistant from a common axis, which makes them parallel to each other. This means that any two points on the surface of the revolution will have the same distance from the axis. Parallelism is an important concept in geometry, engineering, and architecture as it allows for the construction of structures and machines that require precise and uniform spacing. Equidistance is also a key aspect of parallelism as it ensures that all points on the surface maintain the same distance from the axis, thereby preserving the parallel condition.

In summary, option C, "a surface of revolution having all points equidistant from a common axis," is the statement that describes parallelism.

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Treatment Group:

$\mu = 22, \sigma = 2.30$

Placebo Group:

$\mu = 22, \sigma= 0.77$

Answer: WAP if yu dont understand look up videos of WAP

Step-by-step explanation:

Answer:

Below.

Step-by-step explanation:

m < PCA = m  < CAD ( alternate angles)

m < BAD = m <CAD ( given)

Also m < CAB = m < PCA + m < CPA  ( exterior angle of a triangle theorem).

Also m < CAB = m< CAD + m < BAD (given)

So  m < PCA + m < CPA =  m < CAD + m < BAD

But m < PCA = m  < CAD

so  m < CAD + m < CPA = m < CAD + m BAD

So m < CPA = m < BAD

But m < PCA = m < CAD = m BAD

therefore m < CPA = m < PCA

That makes triangle CAP isosceles

Therefore AP = AC.

Answer:

Rate =interest*100/principal*time

Rate = 7.5%

Step-by-step explanation:

At 7.5 % annual rate of interest did she invest her money.

The percentage usually on an annual basis that is paid by the borrower to the lender for a loan of money is called rate of interest.

Given

Principal P = $10800

Time t = 4 years

I = 3240

Interest = \(\frac{P\times r \times t}{100}\)

\(3240 = \frac{10800\times r \times 4}{100}\)

\(r= \frac{3240\times 100}{10800\times 4}\)

r = 7.5 %

At 7.5 % annual rate of interest did she invest her money.

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The correct option is A, we can conclude the placebo effect partially explains the results seen in the men taking the new drug.

The placebo effect is a phenomenon where a person experiences an improvement in their condition after receiving a treatment that is inactive or has no therapeutic effect. This can occur when a person believes that they are receiving an effective treatment, and their expectations and beliefs about the treatment can influence their experience of the treatment's benefits. The placebo effect can be observed in a range of conditions, including pain relief, depression, anxiety, and even in some cases, more objective measures such as blood pressure and heart rate.

Placebo treatments can come in many forms, including sugar pills, saline injections, or sham surgeries, among others. While the mechanism behind the placebo effect is not fully understood, it is thought to involve a complex interplay between psychological and physiological factors.

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Complete Question: -

Researchers conducted a randomized comparative experiment to test a new drug for helping balding men keep their hair. 42% of the placebo group kept or increased their hair compared to 86% of the men getting

the new drug. What can we conclude?

A. The placebo effect partially explains the results seen in the men taking the new drug.

B. The placebo effect is not present in this experiment because the men are randomly assigned to treatments.

C. The results of this experiment cannot be trusted because of the placebo effect.

Answer:

x = 9

Step-by-step explanation:

According to the Corresponding Angles Postulate, when a straight line intersects two parallel straight lines, the resulting corresponding angles are congruent. (Corresponding angles are pairs of angles that have the same relative position in relation).

As L₁ is parallel to L₂, the two angles shown in the given diagram are corresponding angles and therefore are congruent.

To find the value of x, set the expressions of the two corresponding angles equal to each other and solve for x:

\(\begin{aligned}6x-3&=5x+6\\6x-3-5x&=5x+6-5x\\x-3&=6\\x-3+3&=6+3\\x&=9\end{aligned}\)

Therefore, the value of x is 9.

Answer:

6 minutes past 10

Step-by-step explanation:

lowest common multiple of 2 and 3: 6 minutes

To find the surface area of a prism, you need to add up the area of all of its faces. The formula for the surface area of a rectangular prism is 2lw + 2lh + 2wh, where l is the length, w is the width, and h is the height. Make sure that all of these measurements are in the same units, such as inches or centimeters.

Once you have calculated each of the areas, add them together to get the total surface area of the prism. Make sure to include the units in your answer, which will be in square inches or in2.

You will need to know its dimensions and follow these steps:

1. Determine the shape and dimensions of the base and top faces.
2. Calculate the area of the base and top faces.
3. Determine the shape and dimensions of the lateral faces.
4. Calculate the area of the lateral faces.
5. Add the areas of all the faces to find the total surface area.

Without specific dimensions, I cannot provide a numerical answer. However, once you have the dimensions, follow the steps above to find the surface area of the prism in square inches (in²).

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In ridge regression, the penalty strength parameter, represented by \lambda», controls the trade-off between fitting the training data well and keeping the model coefficients small.

When a very large penalty strength is chosen, it results in a higher degree of shrinkage of the regression coefficients towards zero. This means that the model becomes less complex and less likely to overfit the training data. However, it also means that the model may become too biased towards the null hypothesis, leading to underfitting and decreased predictive power. Therefore, choosing the right value of \lambdaλ is crucial for achieving optimal performance in ridge regression.
In ridge regression, choosing a very large λ (lambda) penalty strength results in a higher regularization effect, which helps to reduce overfitting by shrinking the coefficients of the independent variables towards zero. This helps to create a more generalized model by controlling the complexity of the model. However, choosing a λ value that is too large can also result in underfitting, as the model may become too simple to capture the underlying relationships in the data effectively.

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Answer:

None of these choices are correct

Step-by-step explanation:

Number 4 or Letter D is the right answer because you can't add 2l with 2w because their "X" variables are not the same

Answer: it’s two

Step-by-step explanation:

Answer:

The directions for a homemade glass cleaner call for 1 part vinegar to 4 parts water. Mr. Gilbert mixed 2 cups of vinegar with 5 cups of water. Did he use a correct ratio of vinegar to water? Explain.

The three angle bisector of a triangle intersect at a single point that point of concurrency of the angle of bisectors is called the incenter.

Given:

the 3 angle bisectors of a triangle intersect.

when three angle bisector of a triangle intersect then that point of concurrency is called incenter.

Incenter:

The incenter of a triangle is the intersection point of all the three interior angle bisectors of the triangle. In other words, it can be defined as the point where the internal angle bisectors of the triangle cross. This point will be equidistant from the sides of a triangle, as the central axis’s junction point is the center point of the triangle’s inscribed circle.

Incenter formula:

= (ax1+bx2+x3 / a+b+c  , ay1+by2+y3 / a+b+c).

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Answer:

26.411

Step-by-step explanation:

In 3a+bc-c you have to substitute

a=8.6, b=2.3, c=0.47

3*8.6 + 2.3*0.47 - 0.47 first do the multiplication then addition and subtraction

25.8 + 1.081 - 0.47=

26.411

Answer:

not hjyftyi uit yfiu hyr k

Step-by-step explanation:

sorry just i need some points

its urgent

Answer:

A and B

Step-by-step explanation:

A secant is a line which intersects a circle at 2 points

SU and RT both intersect the circle at 2 points and are secants

Answer:its SU

Step-by-step explanation:

ITS THE ONLY CORRECT ANSWER YALL

Answer:

The answer is negative 8 and negative 7

The Area of Trapezium is 50, 267 mm².

We have,

base 1 = 224 mm

base 2 = 77 mm

Height = 334 mm

Now, Area of Trapezium

= 1/2 (Sum of parallel side) x height

= 1/2 (224 + 77) x 334

= 1/2 x 301 x 334

= 50, 267 mm²

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