A large company put out an advertisement in a magazine for a job opening. The first day the magazine was published the company got 70 responses, but the responses were declining by 10% each day. Assuming the pattern continued, how many total responses would the company get over the course of the first 23 days after the magazine was published, to the nearest whole number?

The equation of the paraboloid in cylindrical coordinates is equal to z = 4 - r².

In this problem we find the equation of a paraboloid in rectangular coordinates, whose form in cylindrical coordinates must be found. This can be done by means of the following formulas:

f(x, y, z) → f(r, θ, z)

x = r · cos θ, y = r · sin θ, z = z

First, write the equation of the paraboloid:

z = 4 - x² - y²

Second, substitute all variables and simplify the expression:

z = 4 - r² · cos² θ - r² · sin² θ

z = 4 - r²

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The two null hypothesis that are correct answer are two-sample t-test and one-sample t-test.

Among the group of answer choices provided, the tests that require calculating degrees of freedom are the two-sample t-test and the one-sample t-test. Both of these tests belong to the t-test family and involve using degrees of freedom to determine the critical t-value.

In summary:
- Null hypothesis: The assumption that there is no significant difference between the sample and population or between two samples.
- T-test: A statistical test used to determine if there is a significant difference between the means of two groups or between a sample and population mean.
- Degrees of freedom: A value used in statistical tests that represents the number of independent values in a data set, which can affect the outcome of the test.

So answer is: two-sample t-test and one-sample t-test.

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The null hypothesis statistical tests that require calculating degrees of freedom are the two-sample t-test and the one-

sample t-test. The degrees of freedom are necessary to calculate the t-value for these tests. The chi-squared test also

requires degrees of freedom, but it is not a test for a null hypothesis.

The correct answer is: all of the above.

All these tests require calculating degrees of freedom:

1. Two-sample t-test:

Degrees of freedom are calculated using the formula (n1 + n2) - 2, where n1 and n2 are the sample sizes of the two

groups being compared.
2. Chi-squared test:

Degrees of freedom are calculated using the formula (rows - 1) * (columns - 1), where rows and columns represent the

number of categories in the data.
3. One-sample t-test:

Degrees of freedom are calculated using the formula n - 1, where n is the sample size.

The null hypothesis statistical tests that require calculating degrees of freedom are the two-sample t-test and the one-

sample t-test. The degrees of freedom are necessary to calculate the t-value for these tests. The chi-squared test also

requires degrees of freedom, but it is not a test for a null hypothesis.

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Answer:

(x+5) (x^2+5)

Step-by-step explanation:

x^3+5x^2+3x+15

Using factoring by grouping

x^3+5x^2     +3x+15

x^2(x+5)   + 3(x+5)

Factor out (x+5)

(x+5) (x^2+5)

Answer:

( x + 5 ) (x² + 3)

Step-by-step explanation:

x³ + 5x² + 3x + 15

factor out x²

x² ( x + 5 ) + 3x + 15

factor out 3

x² ( x + 5 ) + 3 ( x + 5 )

factor out x + 5 from the expression

( x + 5 ) (x² + 3)

Answer:

40 degrees.

Step-by-step explanation:

A circle has a total of 360 degrees.

If a third of the circle remains, it will have one third that amount.

360 / 3 = 120

So 120 degrees remain.

If the remaining amount is cut into three slices, each slice will be one third of that amount.

120 / 3 = 40

Each slice has an angle measure of 40 degrees.

Answer:

$1,305

Step-by-step explanation:

subtract how much he paid for the car with how much he paid down

2150-750=1400

then subtract that by the 95 dollars he paid off in the first month

1400-95=1,305

He still needs to pay off $1,305.

Hope this helps!!

Answer:

No it is not

Step-by-step explanation:

Plug it in

3 < 2(-2) + 1

3 < -4 + 1

3 < -3

3 is not less than -3

Answer:

that looks hard sorry i cant help you good luk .

Answer:

sin NOM = 3/5

Step-by-step explanation:

sin NOM = opposite/ hypotenuse = MN/OM

OM² = 4² + 3² = 25

OM = √25 = 5

sin NOM = MN/OM = 3/5

Answer:

Given system of equations:

\(\begin{cases}f(x)=-x^2+2x+3\\g(x)=-2x+3\end{cases}\)

To solve by substitution, equate the equations and solve for x:

\(\begin{aligned}f(x) & = g(x)\\\implies -x^2+2x+3 & = -2x+3\\-x^2+4x & = 0\\x^2-4x & = 0\\x(x-4) & = 0\\\implies x & = 0\\\implies x-4 & = 0 \implies x=4\end{aligned}\)

Therefore, the x-values of the solution are \(x = 0\) and \(x = 4\).

To find the y-values of the solution, substitute the found values of x into the functions:

\(f(0)=-(0)^2+2(0)+3=3\)

\(g(0)=-2(0)+3=3\)

\(f(4)=-(4)^2+2(4)+3=-5\)

\(g(4)=-2(4)+3=-5\)

Therefore, the solutions to the given system of equations are:

\((0, 3)\) and \((4, -5)\)

it would be -4 i think

come back and tell me if im wrong

Answer:

288

Step-by-step explanation:

because 20 percent off is 252 and adding the sales tax which is 36 so you get 288

Answer:

E. 1d+0.015d

G. 1.015d

Step-by-step explanation:

A is incorrect, as it only shows the 1.5% raise. B is incorrect, since that would be a 15% raise. C and D are incorrect because it's impossible to add a number with a variable to one without a variable. E is correct because it properly adds 100% (the amount he made without the raise) and 1.5% (the raise) together. F is incorrect because again, it adds 15%. G is correct because it is the total amount he makes, with the raise. H is incorrect because again, it adds 15%.

Answer:

30

Step-by-step explanation:

Sum of the ratios = 3 + 4 + 5 = 12

Smallest share = 18 bags

Ratio of the smallest share = 3

Let the largest share = x

From the question

18 ------------ 3

x --------------5

Cross multiply

3x = 18 × 5

Dividing bothsides by 3

X = 18 × 5/ 3

X = 90 / 3

X = 30

Therefore.

The largest share = 30

Answer:

Dude dont spend 100 points! This place is scamming people

Step-by-step explanation:

Answer:

17,224 ft^3 to nearest cubic foot.

Step-by-step explanation:

Volume of grain it can hold

= volume of hemisphere + volume of the cylinder

= 1/2 * 4/3 * 3.14 * 11^3 + 3.14 * 11^2 * 38

= 2786.23 + 14437.72

= 17223.95

The answer is D. 95th percentile is not needed for constructing a box-plot.

A box plot, also known as a box-and-whisker plot, provides a visual representation of the distribution of a dataset. It consists of several key measures, including the following:

A. First quartile (Q1): This is the 25th percentile, which marks the lower boundary of the box.

B. 50th percentile: This is the median, which is the middle value of the dataset when it is ordered from smallest to largest. It is represented by a line within the box.

C. 75th percentile (Q3): This is the upper quartile, marking the upper boundary of the box.

D. 95th percentile: This measure is not typically used in constructing a box plot. It provides information about the value below which 95% of the data falls, but it is not necessary for constructing the basic elements of a box plot.

Therefore, the correct answer is D. 95th percentile.

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The vertex of the graph of function y = 0.008x² - 0.4518 + 46,888 is a point at (0, 46,888). The  function models the number of millions of people in a certain country who lived below the poverty level.

The given function that models the number of millions of people in a certain country who lived below the poverty level for the year is:

y = 0.008x² - 0.4518 + 46,888

where x is the number of years after 1990. To find the vertex of the graph of this function, let us first convert the given function to the vertex form of a quadratic equation:

y = a(x - h)² + kWe

are given the function as:

y = 0.008x² - 0.4518 + 46,888

Comparing with the vertex form of a quadratic equation:

y = a(x - h)² + k

We get: a = 0.008,h = 0 and k = 46,888

Substituting these values in the vertex form of a quadratic equation, we get:

y = 0.008(x - 0)² + 46,888y = 0.008x² + 46,888

Now we can see that the vertex of the graph of the function

y = 0.008x² + 46,888 is at the point (0, 46,888).

Therefore, the answer is: The vertex of the graph of this function is a point at (0, 46,888).

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Answer:

-2/3 + 0

= 2

– — + 0

3 2

Add — 2/3 and 0 to get – —

3

2

= – —

3

= (–1).2/3 = –0.666666667

the answer is = –0.666666667

Step-by-step explanation:

#Carry on learning

Answer:

<

Step-by-step explanation:

First, let's find common denominators:

Multiply 3/4 by 2.

Product is 6/8.

Next, let's compare both fractions:

5/8 ? 6/8

5/8 is less than 6/8.

Therefore 5/8 < 6/8.

Answer:

Incomplete question.

Step-by-step explanation:

4 cm = 50 km

1 cm = 50/4 = 12.5 km

Use above ratio or

50 km = 4 cm

1 km = 4/50 = 0.08 cm

Answer:

equation is 2x - 18 = 81

Step-by-step explanation:

(x - 9)2 = 81

(2x - 18) = 81

taking the square root of both sides

\((\sqrt{2x - 18} ) = \sqrt{81}\)

\((\sqrt{2x - 18})^2 = 81\)

2x - 18 = 81

2x = 81 + 18

2x = 99

x = 99/2

x = 49.5

Answer: 10 times 8 and 8 times 10

Step-by-step explanation:

those are the first in the multiplication table that have the same digits

The equation will be y = -15x + 40

Equations help us to understand a particular problem better, they give us possible insights into the situation. Equation Formation is an important aspect of Mathematics. We can form equations on the basis of the information given and then analyze it.

Given:

The biker, Dudley wants to travel 40 miles.

It is given that he travels 30 miles every 2 hours.

Obtaining Equation,

Distance traveled in 2 hours = 30 miles

Then, distance traveled in x hours = \(\frac{30}{2}*x = 15x\)

So, the remaining distance to cover = 40 - 15x

or  y = 15x - 40

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Answer:

its 40

Step-by-step explanation:

took test on kahn

A function assigns values. The width of the rectangle to keep the garden area maximum is 40 meters.

A function assigns the value of each element of one set to the other specific element of another set.

As it is given that the area of Simon's field is given by the function, therefore, to find the maximum of the function we need to differentiate the function and then equate it with zero.

\(A(x)=-x(x-80)\\\\A(x)=-x^2+80x\\\\\dfrac{dA}{dx} = -2x+80\)

Now equating the differentiated function with zero we will get.

\(0=-2x+80\\\\-2x=-80\\\\2x=80\\\\x=40\)

Thus, the width of the field should be zero.

If the width is 40 meters, then the length should also be 40 meters to keep the total fencing as 160 meters. But, if all the sides will be 40 it will be square.

As we know that a square is a form of a rectangle therefore if the width of the rectangle is kept at 40 meters, it will produce the maximum garden area.

Hence, the width of the rectangle to keep the garden area maximum is 40 meters.

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The first mistake McKenna made when change the expression to standard form is in step 2.

PEMDAS in mathematics it is a order of operations that must be prioritize when involving more than one operation. PEMDAS is abbreviation for Parentheses, Exponents, Multiply, Divide, Add, Subtract.

For multiply and divide the priority is for those who come first. Also for add and subtract the priority is for those who come first. And for the rest is the priority in order Parentheses, Exponents, Multiply and Divide, Add and Subtract.

In step 2, McKenna added 3 and -5 first when McKenna should have multiplied -5 by (3a+6). Thus, the step 2 is the first time McKenna made a mistake during change the expression to standard form.

You question is incomplete, but most probably your full question was

McKenna was asked to write the following expression in standard form.

3−5(3a+6)

When writing the expression in standard from, McKenna made a mistake.

3−5(3a+6)

3+(−5)(3a+6) Step 1

−2(3a+6) Step 2

−6a+(−12) Step 3

−6a−12 Step 4

McKenna made her first mistake in

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Answer:

0.302

Step-by-step explanation:

Answer: 0.302

Step-by-step explanation:

Jeremy's claim that the number 5.676677666777... is a rational number because it is a decimal that goes on forever with a pattern is false

The number is given as:

Number = 5.676677666777...

The above number is a decimal number.

The dots (...) at the end of 5.676677666777... implies that the number is a repeating number

Repeating numbers are irrational numbers.

This is so because they cannot be expressed as a fraction of two integers

Hence, Jeremy's claim that the number 5.676677666777... is a rational number because it is a decimal that goes on forever with a pattern is false

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Answer: 3:55

Add 20 and 35, to get the number of minutes out of 60.

20 + 35 = 55

The time will be 3:55 35 minutes after 3:20.

Hope this helps you!

Answer:

It will be 3:55 because 20 plus 35 equals 55 making it 3:55 in the next 35 minutes.

Step-by-step explanation:

20+35=55