PLEASE HELP ME WITH THIS!!

World Gym has an initial fee of $100 and $50 per month. Flex Gym has an initial fee of $200 and $25 per month. How many months will it take
until you would pay the same amount to join at both gyms?
a. 4 months
b. 5 months
C. 2 months
d. 6 months

Answer: 9 × 6 = 54

Step-by-step explanation:

In the Product Game, we need to multiply the both number of factor markers.

Chris and Katie were playing The Product Game. Their factor markers were on 9  and 2.

Number = 9 × 2 = 18

Chris decided to move the marker from 2 to 6.

Now, one maker is on 9 and other is on 6. So,

Number = 9 × (2 + 4)

Number = 9 × 6 = 54

Therefore, 9 × 6 = 54 is a numerical expression  to represent his move.​

Answer:

0.61 °C

Step-by-step explanation:

1. You look at all the tenths in the degrees

2.You figure out which one of the tenths fits between -0.8 and -0.1

Let \(W\) be the random variable for the winnings from playing the game once.

• There are 4 jacks in the deck, so you draw a jack with probability 4/52 = 1/13. In this case you "win" $1.25 - $1.75 = -$0.50.

• There are 4 queens, with draw probability 4/52 = 1/13 and winnings $3.25 - $1.75 = $1.50.

• There are 4 kings, with draw probability 4/52 = 1/13 and winnings $4.50 - $1.75 = $2.75.

• There are 4 aces, and 3 of these are not of the spade suit, so the probability of drawing any of these is 3/52 and you win $6.50 - $1.75 = $4.75.

• There is only 1 ace of spaces, with draw probability 1/52 and winnings $7.75 - $1.75 = $6.00.

• Adding these up, it follows that the probability of drawing any other card is 1 - (1/13 + 1/13 + 3/52 + 1/52) = 10/13, in which you have the privilege of "winning" -$1.75.

So, the probability mass function for \(W\) is

\(\mathrm{Pr}(W=w) = \begin{cases} \dfrac1{13} & \text{if } w \in \{-\$0.50, \$1.50, \$2.75\} \\\\ \dfrac3{52} & \text{if } w = \$4.75 \\\\ \dfrac1{52} & \text{if } w = \$6.00 \\\\ \dfrac{10}{13} & \text{if } w = -\$1.75 \\\\ 0 & \text{otherwise} \end{cases}\)

The expected winnings from playing one round of this game are

\(\Bbb E[W] = \displaystyle \sum_w w\,\mathrm{Pr}(W=w)\)

\(\Bbb E[W] = \dfrac{-\$0.50 + \$1.50 + \$2.75}{13} + \dfrac{3\cdot\$4.75}{52} + \dfrac{\$6.00}{52} + \dfrac{10\cdot(-\$1.75)}{13}\)

\(\Bbb E[W] \approx \boxed{-\$0.67}\)

Absolute value is the distance of a number on the number line from 0.

10 : 10

-1.1 : 1.1

1.5 : 1.5

-6 : 6

Answer:

x=7

Step-by-step explanation:

5(2x-5) = 10x-25

1) add 25 to both sides

10x+25=10x      6x+3+25=6x+28

10x=6x+28

2) subtract 6x from both sides

10x-6x=4x      6x+28-6x=28

4x=28

3) divide by 4 from both sides

4x/4=x      28/4=7

x=7

Hope this helps, have a great day!!

The value of y in the expression -5(2x - 5) = 6x + 3 is 22/16

According to the given question

We have an equation in one variable

⇒  -5(2x - 5) = 6x + 3

For finding the value of x solve the above equation by adding and subtracting the like terms.

So, -5(2x - 5) = 6x + 3

⇒ -5 x 2x + 5 x 5 = 6x + 3

⇒ -10x + 25 = 6x + 3

⇒  25 - 3 = 6x + 10x

⇒  22 = 16x

⇒ x = 22/16

Hence, the value of y in the expression -5(2x - 5) = 6x + 3 is 22/16

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Answer:

all 3 options are true : A, B, C

Step-by-step explanation:

warning : it has come to my attention that some testing systems have an incorrect answer stored as right answer for this problem.

they say that A and C are correct.

but I am going to show you that if A and C are correct, then also B must be correct.

therefore, my given answer above is the actual correct answer (no matter what the test systems say).

originally the information about the alignment of the point F in relation to point E was missing.

therefore, I considered both options :

1. F is on the same vertical line as E.

2. F is not on the same vertical line as E.

because of optical reasons (and the - incomplete - expected correct answers of A and C confirm that) I used the 1. assumption for the provided answer :

the vertical line of EF is like a mirror between the left and the right half of the picture.

A is mirrored across the vertical line resulting in B. and vice versa.

the same for C and D.

this leads to the effect that all 3 given congruence relationships are true.

if we consider assumption 2, none of the 3 answer options could be true.

but if the assumptions are true, then all 3 options have to be true.

now, for the "why" :

remember what congruence means :

both shapes, after turning and rotating, can be laid on top of each other, and nothing "sticks out", they are covering each other perfectly.

for that to be possible, both shapes must have the same basic structure (like number of sides and vertices), both shapes must have the same side lengths and also equally sized angles.

so, when EF is a mirror, then each side is an exact copy of the other, just left/right being turned.

therefore, yes absolutely, CAD is congruent with CBD. and ACB is congruent to ADB.

but do you notice something ?

both mentioned triangles on the left side contain the side AC, and both triangles in the right side contain the side BD.

now, if the triangles are congruent, that means that each of the 3 sides must have an equally long corresponding side in the other triangle.

therefore, AC must be equal to BD.

and that means that AC is congruent to BD.

because lines have no other congruent criteria - only the lengths must be identical.

Answer:

Step-by-step explanation:

Add 7x-2 to both sides and collect terms.

  2x +2 -6x +7x -2 > -4 -7x +7x -2

  3x > -6

  x > -2 . . . . . . . divide by 3

__

Solve these one at a time, and form the union of the answers.

  1 +7n ≤ 15 . . . .given

  7n ≤ 14 . . . . . . subtract 1

  n ≤ 2 . . . . . . . divide by 7

__

  -2n -2 ≤ -18 . . . given

  -2n ≤ -16 . . . . . add 2

  n ≥ 8 . . . . . . . . divide by -2

The solution is n ≤ -2 or n ≥ 8.

Answer:

A) 3/5

B) 3/4

Step-by-step explanation:

A) 6 whites 4 grey. 10 total. 6/10 simplify to 3/5

B) 6 whites 4 grey. Take two of the grey because 9 and 10 can't be used. So 6 white 2 grey. 8 total. 6/8 simplify to 3/4

Hope this helps

A quarterback throws an incomplete pass. The height of the football at time t is modeled by the equation h(t) = –16t² + 40t + 7. Rounded to the nearest tenth, the solutions to the equation when h(t) = 0 feet are –0.2 s and 2.7 s.

the solution to be eliminated is -0.2s this is because time do not have negative values

ax² + bx + c = 0 is a quadratic equation, which is a second-order polynomial equation in a single variable. a.

It has at least one solution because it is a second-order polynomial equation, which is guaranteed by the algebraic fundamental theorem. The answer could be real or complex.

Considering the given function, the answer is both real one is negative the other is positive.

The solution in this case represents time, and time of negative value do not apply in real life

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Answer:

Step-by-step explanation:

a² -b² = (a + b)(a - b)

4x² - y² = (2x)² - y² = (2x + y)(2x - y)

4x² - 9xy - 9y²

sum = -9xy

Product = 4x² *9y² = -36x² y²

Factors :  -12xy , 3xy

4x² - 9xy - 9y² =  4x² - 12xy + 3xy - 9y²

                       =   4x(x - 3y) + 3y(x - 3y)

                       = (x - 3y)(4x + 3y)

8x² + 10xy +3y²

sum = 10xy

Product = 8x² *3y² = 24x² y²

Factors :  4xy , 6xy

8x²  + 10xy + 3y²  = 8x²  + 4xy + 6xy + 3y²

                             =4x(2x + y) +3y(2x + y)

                            = (2x + y)(4x + 3y)

2x²  - 5xy  - 3y²  

sum = -5xy

Product = 2x² * -3y² = -6x² y²

Factors :  xy , -6xy

2x² - 5xy - 3y² = 2x² + xy -6xy - 3y²

                       = x(2x + y)-3y(2x + y)

                      = (x - 3y) (2x + y)

\(\frac{4x^{2}-y^{2}}{8x^{2}+10xy+3y^{2}}*\frac{4x^{2}-9xy-9y^{2}}{2x^{2}-5xy-3y^{2}}\\\\\\=\frac{(2x+y)*(2x-y)}{(2x+y)(4x+3y)}*\frac{((x-3y)(4x+3y)}{(x-3y)(2x+y)}\\\\\\=\frac{2x-y}{2x+y}\)

The first and third rectangular prisms have the same volume of 30 cubic units.

The second rectangular prism has a volume of 350 cubic units, and the fourth rectangular prism has a volume of 24 cubic units.

The volume of each of the rectangular prisms can be calculated as follows:

1.   length: 1; width: 10; height: 3

volume = 1 x 10 x 3 = 30

2.  length: 5; width: 10; height: 7

volume = 5 x 10 x 7 = 350

3.   length: 2; width: 5; height: 3

volume = 2 x 5 x 3 = 30

4.   length: 4; width: 2; height: 3

volume = 4 x 2 x 3 = 24

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The statement that is consistent conceptually with what a computed Pearson's r value represents is:

"The Pearson's r value represents the degree to which X and Y scores covary together relative to how much X and Y scores vary separately."

Pearson's correlation coefficient (r) measures the strength and direction of the linear relationship between two variables, X and Y. It quantifies how closely the data points of X and Y align on a straight line. The magnitude of the correlation coefficient represents the degree to which the variables covary together. Additionally, the statement acknowledges that the coefficient compares the variability in X and Y scores separately to the variability when considering both variables together.

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Answer:

75

Step-by-step explanation:

Electric vehicles offer two significant environmental benefits compared to gasoline-powered engines for transportation: reduced greenhouse gas emissions and improved air quality.

One major environmental benefit of electric vehicles (EVs) is their potential to reduce greenhouse gas emissions. Unlike gasoline-powered engines that release carbon dioxide and other pollutants during combustion, EVs produce zero tailpipe emissions. By relying on electricity as their primary source of power, EVs contribute to lowering greenhouse gas emissions and combating climate change. Furthermore, the environmental impact of EVs can be further reduced if the electricity used for charging them comes from renewable energy sources, such as solar or wind power.

Another environmental advantage of electric vehicles is the improvement in air quality. Traditional gasoline-powered vehicles emit pollutants such as nitrogen oxides, particulate matter, and volatile organic compounds, which contribute to air pollution and various health issues. In contrast, EVs produce no tailpipe emissions, resulting in cleaner air and a reduction in harmful pollutants. This can lead to significant improvements in urban areas where vehicular traffic is dense, reducing respiratory illnesses and enhancing overall public health.

In conclusion, the adoption of electric vehicles offers substantial environmental benefits, including reduced greenhouse gas emissions and improved air quality. These advantages contribute to mitigating climate change, protecting human health, and fostering a cleaner and more sustainable transportation system.

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Answer:

make no sense

Answer:

c

Step-by-step explanation:

Great guess?

Answer:

691,2

Step-by-step explanation:

i found that

is it true ?

i hope it helps ! ?

To determine the sample size needed for a desired margin of error, we need additional information such as the population size and the desired level of confidence. Without this information, it is not possible to calculate the exact sample size.

The sample size calculation involves considering factors such as the variability of the population, the desired level of confidence, and the margin of error. These factors help in determining the appropriate sample size to achieve the desired precision in estimating population parameters.

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how many customers must be sampled if he wants the confidence interval to have a margin of error of 0.06  ----------- g

Lucy has $7 less than Kristine and $5 more than Nina together, the three have $35. Lucy has $11.

Let's denote the amount of money that Kristine has as K, the amount of money that Lucy has as L, and the amount of money that Nina has as N.

According to the given information, we can form two equations:

Lucy has $7 less than Kristine: L = K - 7

Lucy has $5 more than Nina: L = N + 5

We also know that the three of them have a total of $35: K + L + N = 35

We can solve this system of equations to find the values of K, L, and N.

Substituting equation 1 into equation 3, we get:

K + (K - 7) + N = 35

2K - 7 + N = 35

Substituting equation 2 into the above equation, we get:

2K - 7 + (L - 5) = 35

2K + L - 12 = 35

Since Lucy has $7 less than Kristine (equation 1), we can substitute K - 7 for L in the above equation:

2K + (K - 7) - 12 = 35

3K - 19 = 35

Adding 19 to both sides:

3K = 54

Dividing both sides by 3:

K = 18

Now we can substitute the value of K into equation 1 to find L:

L = K - 7

L = 18 - 7

L = 11

Finally, we can find the value of N by substituting the values of K and L into equation 3:

K + L + N = 35

18 + 11 + N = 35

N = 35 - 18 - 11

N = 6

Therefore, Lucy has $11.

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the probability of generating each number at least once with a random number generator that can generate the numbers 1, 2, 3, 4, and 5, 19 times is about 44.29%.

To find the probability of generating each number at least once using a random number generator that can generate the numbers 1, 2, 3, 4, and 5, we can use the principle of inclusion-exclusion.

The total number of possible outcomes for generating 19 numbers is 5^19 (since we have 5 possible numbers to choose from and we are choosing 19 times with replacement).

The number of outcomes in which at least one number is not generated is (5-1)^19, since we are choosing from 4 numbers instead of 5.

Using the principle of inclusion-exclusion, the probability of generating each number at least once is:

P = 1 - (number of outcomes in which at least one number is not generated) / (total number of possible outcomes)

= 1 - (4^19) / (5^19)

Using a calculator or a computer, we can calculate this probability to be approximately 0.4429, or about 44.29%.

Therefore, the probability of generating each number at least once with a random number generator that can generate the numbers 1, 2, 3, 4, and 5, 19 times is about 44.29%.

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Answer:

NO.2- SSA is not the method to show the congruency of two triangles.

Answer:

1. 15

2. -8/9

3. 5

4. 7

5. a = 20

6. n = 100

7. 3.6 x 10^1

8. 3

9. 4

10. 8.37 x 10^5

11. 6.67 x 10^3

The truth value of the given proposition is "false".

The truth value of the given proposition can be evaluated using the following steps:

Convert the binary representation of the numbers to decimal:

0 = 0

~1 = -1 (invert the bits of 1 to get -2 in two's complement representation and add 1)

10 = 2

Apply the comparison operator "=" between the left and right sides of the equation:

(0 = -1) = 2

Evaluate the left side of the equation, which is false, because 0 is not equal to -1.

Evaluate the right side of the equation, which is true, because 2 is a nonzero value.

Apply the comparison operator "=" between the results of step 3 and step 4, which yields:

false = true

Therefore, the truth value of the given proposition is "false".

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Answer:   The probability that the no. is divisible by 4 is 0.225 .

Step-by-step explanation:

First three-digit number: a = 100

Last digit number: l = 996

Common difference: d = 4

Formula: l=a+(n-1)d

Substitute all values, we get

\(996=100+(n-1)4\\\\\Rightarrow 896=(n-1)4\\\\\Rightarrow n-1=\dfrac{896}{4}\\\\\Rightarrow n-1=224\\\\\Rightarrow n=225\)

i.e. there are 225 three digit numbers divisible by 4.

Total 3-digit numbers = 1000

The probability that the no. is divisible by 4 = \(\dfrac{225}{1000}=0.225\)

Hence, the probability that the no. is divisible by 4 is 0.225 .

Ax + By = C is the standard form of the line equation, where A and B are constants.

As a result, a linear equation with x and y variables has the standard form: Ax + By = C, in which A, C and B are constant.

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The limits are  `(i + (3/2)j - k)`

We need to substitute the value of t in the function and simplify it to get the limits. Substitute `π/2` for `t` in the function`lim_(t→π/2)(cos(2t)i−4sin(t)j+2tπk)`lim_(π/2→π/2)(cos(2(π/2))i−4sin(π/2)j+2(π/2)πk)lim_(π/2→π/2)(cos(π)i-4j+πk).Now we have `cos(π) = -1`. Hence we can substitute the value of `cos(π)` in the equation,`lim_(t→π/2)(cos(2t)i−4sin(t)j+2tπk) = lim_(π/2→π/2)(-i -4j + πk)` Answer: `(-i -4j + πk)` Now let's evaluate the second limit`lim_(t→ln2)(2eti6e−tj−4e−2tk)`.We need to substitute the value of t in the function and simplify it to get the answer.Substitute `ln2` for `t` in the function`lim_(t→ln2)(2eti6e−tj−4e−2tk)`lim_(ln2→ln2)(2e^(ln2)i6e^(-ln2)j-4e^(-2ln2)k) Now we have `e^ln2 = 2`. Hence we can substitute the value of `e^ln2, e^(-ln2)` in the equation,`lim_(t→ln2)(2eti6e−tj−4e−2tk) = lim_(ln2→ln2)(4i+6j−4/4k)` Answer: `(i + (3/2)j - k)`

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Number of strings of seven hexadecimal digits that do not have any repeated digits and at least one repeated are required. The hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.

Number of strings of seven hexadecimal digits that do not have any repeated digits. There are sixteen different digits.The first digit can be any one of the sixteen different digits. Hence, the first digit can be chosen in 16 ways. Once the first digit has been chosen, there are only fifteen remaining digits. Hence, the second digit can be chosen in 15 ways. Similarly, the third digit can be chosen in 14 ways, the fourth digit can be chosen in 13 ways, and so on. Thus, the number of ways that a string of seven hexadecimal digits can be formed without any repeated digits is given by 16×15×14×13×12×11×10 = 111, 767, 040

Number of strings of seven hexadecimal digits that have at least one repeated digit is required. There are two ways to approach the solution of this problem:By finding the number of strings that do not have any repeated digits and subtracting this from the total number of strings of seven hexadecimal digits.By counting the number of strings that have at least one repeated digit directly.

Method 1 : To find the number of strings that do not have any repeated digits, we have found in part (a) to be 111, 767, 040. The total number of strings of seven hexadecimal digits is 167, 772, 160. Hence, the number of strings of seven hexadecimal digits that have at least one repeated digit is given by:167, 772, 160 – 111, 767, 040 = 56, 005, 120

Method 2 :By counting the number of strings that have at least one repeated digit directly, we shall apply the principle of inclusion and exclusion. Let A1, A2, A3, A4, A5, A6, A7 denote the events that the first, second, third, fourth, fifth, sixth and seventh digits repeat, respectively. The number of strings in which only the first and second digits repeat is 16×15×14×13×12×11×1 = 24,883,200. Similarly, the number of strings in which only the first and third digits repeat is 24, 883, 200. There are fifteen possible pairs of distinct digits and for each such pair, there are 10 ways to place the two digits into the seven positions, i.e., ten different arrangements of the pair of digits. Hence, the number of strings in which exactly two digits repeat is given by 15×10×16×15×14×13×1 = 56,160,000. There are six different ways in which three distinct digits can be selected from sixteen. For each choice of three distinct digits, there are three possible ways that the digits can be arranged in the string. This gives a total of six×3×16×15×14×1×1×1 = 60,480. There are no strings with four or more distinct digits repeating. Thus, by the principle of inclusion and exclusion, the number of strings of seven hexadecimal digits with at least one repeated digit is given by24, 883, 200+24, 883, 200−56, 160, 000+60, 480=56,005,120

The number of strings of seven hexadecimal digits that do not have any repeated digits is 111, 767, 040. The number of strings of seven hexadecimal digits that have at least one repeated digit is 56, 005, 120.

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Answer:

10,   C = circumference = 2 pi 11 = 69.11 since the radius = 6

PR = C / 2 = 34.6  since PR is 1/2 the circumference

PS = 34.6 - 16 = 18.6    since PS is 16 ft short of C/2

Answer:

Step-by-step explanation:

Answer:

The total cost is $4.45

Step-by-step explanation:

I just added them

Step-by-step explanation:

let a= cost of sandwich=2.95dollars

b=cost of apple= 0.45dollars

c= cost of juice= 1.05 dollars

then t= total cost is calulated as:

t=a+b+c

t=2.95+0.45+1.05

t=4.45