answer quick please, appreciate it

Answer:

45.75

Step-by-step explanation:

95 x .7 = 66.5

66.5 x .8 = 53.2

53.2 x .8 = 42.56

42.56 x 1.075 = 45.75

Answer: I think B is answer to ur question

Step-by-step explanation:

The gravitational potential energy of the wire can be calculated as PE = mgh = mg(r - (r^2 - (l/2)^2)^0.5) * (2r/π).

To find the gravitational potential energy of the thin wire, we need to use the equation PE = mgh, where m is the mass of the wire, g is the acceleration due to gravity, and h is the height of the wire above a reference point.

Since the wire is in a semicircular shape, we can find the height h using the Pythagorean theorem. Let the radius of the semicircle be r, then the height h can be found as h = r - (r^2 - (l/2)^2)^0.5.

Once we have the height h, we can calculate the gravitational potential energy of the wire. However, we also need to take into account the fact that the wire is bent in a semicircular shape.

To do this, we need to calculate the average height of the wire above the x-axis, which is given by (2r/π).

Therefore, the gravitational potential energy of the wire can be calculated as PE = mgh = mg(r - (r^2 - (l/2)^2)^0.5) * (2r/π).

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Answer:

Use math away website lol

Step-by-step explanation:

Answer:

a) x=4

b) y=3

c) 3m-2n

Answer:

Step-by-step explanation:

easy, first, what is tenth?

don't be canfused with tens, which 2 numbers after point

tenth is the number comes after point

so it's 8, and we look the number to the right and it's 7

so 8  would become 9

so 7.900

and done!

The categories and the equations of the tables are

Table A

This table is given as

x         0         1           2          3         4            5

y         2         7         12          17       22          27

Calculate the first difference

x         0         1           2          3         4            5

y         2         7         12          17       22          27

d             5           5         5         5            5

The first differences are the same

So, the table is a linear function

And the equation of the table is y = 2 + 5x

Table B

This table is given as

x         0         1           2          3         4            5

y         3         6         12          24       48          96

Calculate the differences

x         0         1           2          3         4            5

y         3         6         12          24       48          96

d             3           6         12         24            48

d                      3           6         12         24

d                              3           6         12      

d                                       3           6    

d                                                 3      

The above differences show that the table is an exponential function with a rate of 2 and an initial value of 3

So, the equation of the table is y = 3(2)ˣ

Table C

This table is given as

x         0         1           2          3         4            5

y         5         3         5          11       21          35

Calculate the differences

x         0         1           2          3         4            5

y         5         3         5          11       21          35

d             -2           2         6         10            14

d                    4           4         4         4

The second differences are the same

So, the table is a quadratic function

And the equation of the table is calculated using

y = ax² + bx + c

Where

c = 5 i.e. when x = 0

So, we have

a + b + 5 = 3

4a + 2b + 5 = 5

When evaluated, we have

a + b = -2

4a + 2b = 0

This gives

a + b = -2

2a + b = 0

So, we have

-a = -2

a = 2

Then we ahave

2 + b = -2

b = -4

So, the equation is

y = 2x² - 4x + 5

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Answer:

Step-by-step explanation:

Answer:

$38.

Step-by-step explanation:

2•19=$38

unless you need to add the $5 as well then it's $43

Answer:

$38 for the pizza. if you're counting the membership with it, its $43.

Step-by-step explanation:

$2 slices of pizza times 19 times bought. 2 · 19 is 38. with the membership added on, it would be $43.

if you need more explanation, ask in the comments! i would be happy to help :)

Answer:

my guess is about 76

Step-by-step explanation:

iI counted the top 2 layers and assuming that there is about 1 or 2 that is around 28 helmets, added to the 48 currently seen in the picture.But, it is just an estimate. Thanks for the 100 points!!!

Answer:

acute

Step-by-step explanation:

9 is bigger than 6

12 is bigger than 9

therefore all the angles will be smaller than a right angle

this makes the triangle acute

To determine whether two ratios represent quantities that are proportional, we need to check if their values are equal. Let's examine each pair of ratios:

   5/7 and 7/14:

   To check if these ratios are proportional, we simplify them to their simplest forms. The first ratio is already simplified, but the second ratio can be simplified to 1/2. Since 5/7 is not equal to 1/2, these ratios are not proportional.

9/10 and 10/9:

By simplifying both ratios, we find that they are equal to each other in their simplest forms. Therefore, 9/10 and 10/9 are proportional.

56/64 and 36/48:

After simplifying both ratios, we get 7/8 for the first ratio and 3/4 for the second ratio. Since 7/8 is not equal to 3/4, these ratios are not proportional.

21/28 and 12/16:

Upon simplifying, we obtain 3/4 for both ratios. Therefore, 21/28 and 12/16 are proportional.

In summary, out of the four given pairs of ratios, only the ratios 9/10 and 10/9, as well as 21/28 and 12/16, represent quantities that are proportional. It is important to simplify the ratios to their simplest forms before comparing them to determine proportionality.

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The graph shows the  inequality x² ≤ 16

An inequality is a relationship that makes a non-equal comparison between two numbers or other mathematical expressions e.g. 2x > 4.

Inequalities are often used to describe conditions or constraints in real-world problems.

You will notice that the values represented in the graph ranges from -4 to 4. Thus, solving x² ≤ 16 will produce these values. That is:

x² ≤ 16

x ≤ ±√16

x ≤ ±4

x ≤ -4 or x ≤ 4

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James will fully clear the loan after approximately 12 years when the remaining balance reaches zero.

To determine the number of years it will take for James to fully clear the loan, we need to calculate the remaining balance after each payment and divide the initial loan amount by the annual payment until the remaining balance reaches zero.

The loan amount is 9000 euros, and James pays off 770 euros each year. Since the interest is charged at a rate of 3% of the original amount per annum, the interest for each year will be \(0.03 \times 9000 = 270\) euros.

In the first year, James pays off 770 euros, and the interest on the remaining balance of 9000 - 770 = 8230 euros is \(8230 \times 0.03 = 246.9\)euros. Therefore, the remaining balance after the first year is 8230 + 246.9 = 8476.9 euros.

In the second year, James again pays off 770 euros, and the interest on the remaining balance of 8476.9 - 770 = 7706.9 euros is \(7706.9 \times 0.03 = 231.21\) euros. The remaining balance after the second year is 7706.9 + 231.21 = 7938.11 euros.

This process continues until the remaining balance reaches zero. We can set up the equation \((9000 - x) + 0.03 \times (9000 - x) = x\), where x represents the remaining balance.

Simplifying the equation, we get 9000 - x + 270 - 0.03x = x.

Combining like terms, we have 9000 + 270 = 1.04x.

Solving for x, we find x = 9270 / 1.04 = 8913.46 euros.

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Answer:

13mm

Step-by-step explanation:

To calculate the mean length of the insects Mick found, we need to find the sum of all the lengths multiplied by their respective frequencies, and then divide it by the total frequency.

The length intervals and their frequencies are as follows:

0 < x ≤ 10 (frequency = 9)

10 < x ≤ 20 (frequency = 6)

20 < x < 30 (frequency = 5)

To calculate the mean length, we can follow these steps:

Multiply each length interval by its corresponding frequency:

Sum = (9 * (0 + 10)/2) + (6 * (10 + 20)/2) + (5 * (20 + 30)/2)

= (9 * 5) + (6 * 15) + (5 * 25)

= 45 + 90 + 125

= 260

Calculate the total frequency by adding up the frequencies:

Total frequency = 9 + 6 + 5

= 20

Divide the sum by the total frequency to find the mean length:

Mean length = Sum / Total frequency

= 260 / 20

= 13

Therefore, the estimate of the mean length of the insects Mick found is 13 mm.

Answer:

x = -3

Step-by-step explanation:

7 + 2x/3 = 5

3 . 7 + 2x

-------------- = 5

3

21 + 2x

----------- = 5

3

To find the maximum area of the lawn that can be watered by the sprinkler, we can use the formula for the area of a circle:

A = πr^2

Given that the radius of the sprinkler's spray is 22ft, we can substitute this value into the formula:

A = 3.14 * (22)^2

A ≈ 3.14 * 484

A ≈ 1519.76

Rounded to the nearest tenth, the maximum area of the lawn that can be watered by the sprinkler is approximately 1519.8 ft^2.\(\huge{\mathcal{\colorbox{black}{\textcolor{lime}{\textsf{I hope this helps !}}}}}\)

♥️ \(\large{\textcolor{red}{\underline{\texttt{SUMIT ROY (:}}}}\)

The value of chi-square statistic (\(X^{2}\)) is 11.26

As per the given question

the sample space of all the four cases are 30

the proportions that land upright are the same when the dropping height is 3, 5, 10, and 20 cm.

the formula of chi-squared test is

\(X^2=\sum\frac{(O_i-E_i)^2}{E}\)

where

\(X^{2}\) is chi-square

\(O_i\) is the observed value

\(E_i\) is the expected value

the upright observed value are 20,23,27,29

the upright expected values are 24.75

now

the chi-square at 3cm height is

\(X^2=\(\frac{(20-24.75)^2}{24.75}\)

=> \(X^2=0.91\)

the chi- square at 5cm height is

\(X^2=\(\frac{(23-24.75)^2}{24.75}\)

=> \(X^2=0.12\)

the value of chi-square at 10cm is

\(X^2=\(\frac{(27-24.75)^2}{24.75}\)

=>\(X^2=0.20\)

the value of chi-square at 20cm is

\(X^2=\(\frac{(29-24.75)^2}{24.75}\)

=> \(X^2=1.97\)

the not upright observed values are

10,7,3,1

the not upright expected values are 5.25

the chi-square test at 3cm height is

\(X^2=\(\frac{(10-5.25)^2}{5.25}\)

=> \(X^2=4.30\)

the chi-square test at 5cm height is

\(X^2=\(\frac{(7-5.25)^2}{5.25}\)

=> \(X^2=0.58\)

the chi-square test at  10cm height is

\(X^2=\(\frac{(3-5.25)^2}{5.25}\)

=> \(X^2=0.96\)

the chi-square test at 20 cm is

\(X^2=\(\frac{(1-5.25)^2}{5.25}\)

=> \(X^2=3.44\)

now,

the total

chi-square value at 3cm height is

=>X^2=0.91+4.30

=> \(X^{2}\)= 5.21

chi-square at 5cm height is

=> \(X^{2}=0.12+0.58\)

=> \(X^2=0.71\)

chi-square at 10cm is

=> \(X^{2}=0.20+096\)

=> \(X^2=1.16\)

chi-square at 20 cm is

=> \(X^{2}=0.73+3.44\)

=> \(X^{2}=4.17\)

now ,

the total chi-square statistic is

=>\(X^{2}=\)5.21+0.71+1.17+4.17

=>\(X^{2}=\) 11.26

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Answer:

Step-by-step explanation:

21 x 3 x 9

567

the exponential function is n(t) =n° (1+r)∧t, where t is the power refers the time in months after opening and n denotes average customer.

when the rate of increases is occurred very rapidly. In this question, the trendy restaurant has earned reputation.

Given, average number of customers after 11 months of opening = n(11) =310

average number of customers after 15 months of opening= n(15) =456

during this 4 month increases of customer =456 -310 =146

increasing rate of customer per month = 146/4 = 36.5

now increasing rate in percentages = 36.5 %

exponential growth rate, r= 0.365

let, n° is the initial number of customer while opening at t=0 month

now, the exponential function n(t) that model's average number of customers, n after t months of being open will be

  n(t) = n° ( 1+r)∧t

we are given that after 11 months of opening average customer n(11) = 310

now, 310 = n° (1+ 0.365)∧11

n°  = 10

hence, the exponential function = n(t) = 10(1+r)∧t

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Answer:

its C!

Step-by-step explanation:

i think

Answer:

your answer is A, y = -x -1

Step-by-step explanation:

that should be right :)

Answer:

analysis (i got to put a bunch of random stuff here cs the limit)

Answer:

-6

Step-by-step explanation:

the position is labeled -6 since it goes down

Answer:

  -6

Step-by-step explanation:

Ground level is taken to be zero on this scale, so 6 feet below ground level will be designated as -6.

Answer:

Step-by-step explanation:

Asymptotes 3

g(x) = \(\frac{3x}{x^2-3x-10}\)

Factors of denominator will be,

x² - 3x - 10 = x² - 5x + 2x - 10

                 = x(x - 5) + 2(x - 5)

                 = (x + 2)(x - 5)

Therefore, factored form of g(x) will be,

g(x) = \(\frac{3x}{(x + 2)(x - 5)}\)

Asymptotes 4

h(x) = \(\frac{(x-5)}{x^{2} + 14x + 40}\)

      = \(\frac{x-5}{x^{2}+10x+4x+40}\)

      = \(\frac{x-5}{x(x+10)+4(x+10)}\)

      = \(\frac{x-5}{(x+10)(x+4)}\)

Answer: 112.5

Step-by-step explanation: When line AB and CD intersect at point E, angle AEC equals BED so you set them equal to each other and find what x is. 5x -20 = x + 50, solving for x, which gives you 17.5. Finding x will tell you what AEC and BED by plugging it in which is 67.5. Angle BED and BEC are supplementary angles which adds up to 180 degrees. So to find angle CEB, subtract 67.5 from 180 and you get 112.5 degrees.

False. The statement is incorrect. Unlike the z distribution, the t-distribution is not symmetric around 0, and its tails do not approach the horizontal axis and cross it.

The t-distribution is similar to the normal (z) distribution in the sense that it is bell-shaped. However, there are important differences. The t-distribution is not symmetric around 0 but is centered at 0. It has a shape that depends on its degrees of freedom (df). As the degrees of freedom increase, the t-distribution approaches the shape of the standard normal distribution (z-distribution).

The tails of the t-distribution are thicker than the tails of the z-distribution. The t-distribution has more probability in the tails, which means it has more extreme values compared to the z-distribution. As the degrees of freedom increase, the t-distribution approaches the normal distribution, and its tails become closer to the horizontal axis, but they do not cross it.

It's important to note that the shape and characteristics of the t-distribution are determined by the degrees of freedom. As the degrees of freedom increase, the t-distribution becomes more similar to the z-distribution. However, even with large degrees of freedom, the t-distribution will always have slightly thicker tails than the z-distribution.

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Answer:

D

Step-by-step explanation:

   (1/3) / 8

= (1/3) * (1/8)

=1/24

Answer:

D

Step-by-step explanation:

1.The modular inverse of 1/7 (mod 8) is 7, as 7 * 7 ≡ 1 (mod 8). 2.The modular inverse of 1/14 (mod 15) is 14, as 14 * 14 ≡ 1 (mod 15). 3.The modular inverse of 1/6 (mod 7) does not exist because 6 and 7 are not coprime.

To find the modular inverse of 1/7 (mod 8), we need to find a number x such that (1/7) * x ≡ 1 (mod 8). In this case, x = 7 satisfies the equation since 7 * 7 ≡ 49 ≡ 1 (mod 8).

For the modular inverse of 1/14 (mod 15), we need to find a number x such that (1/14) * x ≡ 1 (mod 15). In this case, x = 14 satisfies the equation since 14 * 14 ≡ 196 ≡ 1 (mod 15).

However, in the case of 1/6 (mod 7), the modular inverse does not exist because 6 and 7 are not coprime. In modular arithmetic, a number has an inverse only if it is coprime with the modulus. Since 6 and 7 share a common factor of 2, they are not coprime, and thus, the modular inverse of 1/6 (mod 7) does not exist.

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Answer: A function is a relation between domain and range such that each value in the domain corresponds to only one value in the range. Relations that are not functions violate this definition. They feature at least one value in the domain that corresponds to two or more values in the range.

Step-by-step explanation: