I neeeeed help
Two college friends rent an apartment. They have to pay the landlord two​ months' rent​ (m) and a​ $500 security deposit when they sign the lease. The total amounty they pay the landlord is​ $2800. Create an equation which will determine the amount of money owed for rent for one month​ (m).

Nick put 4 posts altogether if he put a post at one corner and at every one corner he puts a post.

Given, Nick has a rectangular garden which is 8m long and 6m wide.

He put a post at one corner and at every one corner he puts a post.

As, we know that a rectangle has 4 vertices i.e. 4 corners

and at every corner he puts one post

So, he put 4 posts altogether.

Hence, Nick put 4 posts altogether if he put a post at one corner and at every one corner he puts a post.

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Answer:

x = -1, y = -1

( -1 , -1 )

Step-by-step explanation:

plug in -9y - 10 for x

5 ( -9y - 10) + 6y = -11

-45y - 50 + 6y = -11

-39y - 50 = -11

-39y = 39

y = -1

then plug in

-9(-1) - 10 = x

9 - 10 = x

x = -1

Answer:

93

Step-by-step explanation:

the total angle of a hexagon is 720 degrees so if we add up all the angles then take away that value from 720 we get 93

a. Standard Score: -2.8, Percentile: 2.1%

b. Standard Score: -1.2, Percentile: 15.9%

c. Standard Score: 0.2, Percentile: 50.2%

The correct option regarding the scale factor and the statement in this problem is given as follows:

D. The statement is false. Because there are 3 feet in one​ yard, there are 9 square feet in one square yard.

The scale factor between the length dimensions of the yard are given as follows:

3 feet = 1 yard.

(as these length dimensions are given in yards).

Then for the square units, the correct scale factor is found applying the proportion as follows:

(3 feet)² = (1 yard)².

9 feet squared = 1 square yard.

Hence the statement given in this problem, that because there are 3 feet in one​ yard, there are also 3 square feet in one square yard, is false, and the correct option is given by option D.

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AUB means combination of elements in A and B without writing one element twice

AUB={A,B,F,G,M,T,Z}

Answer:

90

Step-by-step explanation:

Answer:

90

Step-by-step explanation:

Since 63 times 7 equals 9, then 670 *7 equals 9 because all you do is bring down the 0. That's how you get 90.

The  Smallest numbers is 3.068 and 3.6

Check the whole number portion of each decimal number before placing them in ascending order. Since 4 is the smallest whole number, the smallest decimal number is 4.926. The remaining decimal digits all contain the same whole number, or 18.

The least number among those given is 1.

The smallest three-digit number in the number system is 100, which becomes a two-digit number, which is 99, when one is deducted from the number (a two-digit number). Therefore, in the number system, 100 is the smallest three-digit number. The smallest three-digit number is 100, which is so proven.

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The solution to the system of linear equation above is (7, 3).

To solve the following system of linear equations by elimination method:

3x - 4y = 19

-3x + 4y = 25

We can add the equations together to eliminate the variable y, resulting in 6x = 44.

We can solve for x by dividing both sides by 6, so x = 7.

We can substitute the value of x (7) into either of the original equations to solve for y. In this case, we can use 3x - 4y = 19 and substitute in x = 7. Therefore, 4y = 12 and y = 3.

The solution to the system is (7, 3).

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Answer:

The answer is below

Step-by-step explanation:

The compound interest is given by the formula:

\(A=P(1+\frac{r}{n} )^{nt}\)

Where A is the final amount, p is the principal (initial amount), r is the rate, t is the number of period and n is the number of times it was compounded per period.

Given that:

The interest is compounded yearly, i.e n = 1, for 1 year, t = 1, the compound interest is Rs 450 i.e A = 450. Therefore:

\(450=P(1+\frac{r}{1} )^{1*1}=P(1+r)\\450=P(1+r).\ .\ .\ (1)\)

For 2 year, t = 2, the compound interest is Rs 945 i.e A = 945. Therefore:

\(945=P(1+\frac{r}{1} )^{1*2}=P(1+r)^2\\945=P(1+r)^2.\ .\ .\ (2)\)

Dividing equation 2 by equation 1 gives:

2.1 = 1 + r

r = 2.1 - 1 = 1.1

r = 1.1

Put r = 1.1 in 450 = P(1 + r)

450 = P(1 + 1.1)

450 = 1.11P

P = 405.4

Therefore the rate is 1.1 = 110% and P = Rs 405.4

Answer:

y = -x +1

Step-by-step explanation:

p1 (-3,4)

p2 ( 3, -2)

line equation y = mx + b

The slope m equals

\( \frac{y2 - 21}{x2 - x1} \)

\( \frac{ - 2 - 4}{3 - - 3} = \frac{ - 6}{6} = - 1\)

y = - x + b

from any point

-2 = -3 + b

b = 1

line equation = y = -x +1

The mean number of observations per unit time is approximately 8.5.

The mean number of observations per unit time can be calculated using the Poisson distribution formula, which is:

P(X = k) = (e^-λ * λ^k) / k!

where λ is the mean number of occurrences per unit time.

If we know that p(8)-p(9), it means that we have the following probability:

P(X = 8) - P(X = 9) = (e^-λ * λ^8) / 8! - (e^-λ * λ^9) / 9!

We can simplify this expression by multiplying both sides by 9!:

9!(P(X = 8) - P(X = 9)) = (9! * e^-λ * λ^8) / 8! - (9! * e^-λ * λ^9) / 9!

Simplifying further:

9!(P(X = 8) - P(X = 9)) = λ^8 * e^-λ * 9 - λ^9 * e^-λ

We can solve for λ by trial and error or by using numerical methods such as Newton-Raphson. Using trial and error, we can start with a value of λ = 8 and check if the left-hand side of the equation equals the right-hand side:

9!(P(X = 8) - P(X = 9)) = 8^8 * e^-8 * 9 - 8^9 * e^-8 ≈ 0.00062

This is a very small number, so we can try a higher value of λ, such as 9:

9!(P(X = 8) - P(X = 9)) = 9^8 * e^-9 * 9 - 9^9 * e^-9 ≈ -0.00011

This is closer to zero, so we can try a value between 8 and 9, such as 8.5:

9!(P(X = 8) - P(X = 9)) = 8.5^8 * e^-8.5 * 9 - 8.5^9 * e^-8.5 ≈ 0.00026

This is even closer to zero, so we can conclude that the mean number of observations per unit time is approximately 8.5.

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The two variables are expected to vary together in both correlation and regression. the correct option is - Both.

Correlation and regression are two closely related topics in statistics. Correlation refers to the Pearson product-moment correlation coefficient (r), and regression is with one predictor variable only (often referred to as simple regression).

Can tell you whether one variable (such as smoking) causes another (such as cancer) - Neither Provides a way to predict a specific value of one variable (such as weight) from the value of another variable (such as height) - Regression Requires a measure of how the two variables vary together - Both  Correlation can indicate the degree of association between two variables, but it doesn't imply causation.

Regression can help predict a particular value of one variable based on the value of another variable.

The two variables are expected to vary together in both correlation and regression. Therefore, the correct option is - Both.

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Answer:  The top graph.

Step-by-step explanation:  The inflection is at x = 0, since the absolute value of x starts becoming greater as x decreases.  E.g., at x = -2,

f(x) = |x| - 4

f(x) = |-2| - 4

f(x) = 2 - 4

f(x) = - 2

At x = -4

f(x) = |x| - 4

f(x) = |-4| - 4

f(x) = 4 - 4

f(x) = 0

Answer:

The piecewise function is given as follows;

\(\begin{cases}C(n) = \$ 3.45 \times n & \text{ if } x< 4 \\ C(n) = \$ 3.00 \times n & \text{ if } x\geq 4 \end{cases}\)

Step-by-step explanation:

The given parameters are;

The cost of each bag of snickers = $3.45

The cost of each bag of sneakers when buying 4 or more bags = $3.00

Let "n" be the number of bags of snickers and "C(n)" be the cost of all the snickers purchased

The piecewise function is C(n) = {($3.45 × n) for n < 3

{($3.00 × n) for n ≥ 4

Answer:

6

Step-by-step explanation:

The Official Answer is C. 6

Answer:

1) 111, 112

2) 12, 9

3) -12

4) 31, 32, 33

Step-by-step explanation:

1)   n + (n+1) = 223

2n + 1 = 223

2n=222

n = 111              numbers: 111, 112

2)  n + (n-3) = 21

2n - 3 = 21

2n=24

n=12                    numbers: 12, 9

3)   2*(n+5) = n-2

2n + 10 = n - 2

n = -12               number: -12

4)   n + (n+1) + (n+2) = 96

3n + 3 = 96

3n = 93

n=31                numbers: 31, 32, 33

Answer:

670,980 in word form is

six hundred seventy thousand, nine hundred eighty

Hope this helps :D

Answer:

the one above

Step-by-step explanation:

the one above

Answer:

b

Step-by-step explanation:

To find a vector in the subspace spanned by the u's, we can use the process of orthogonal projection. y can be expressed as the sum of a vector in W and a vector orthogonal to W.

The projection of y onto W is given by:

projW(y) = ((y⋅u)/||u||^2)u

where ⋅ represents the dot product and ||u|| is the norm of u.

Using the given values, we can calculate:

y⋅u = (4)(1) + (3)(0) + (3)(1) + (-1)(-1) = 11

||u||^2 = (1)^2 + (0)^2 + (1)^2 = 2

So,

projW(y) = ((11)/2)*[1 0 1] = [11/2 0 11/2]

To find a vector orthogonal to W, we can subtract projW(y) from y:

y - projW(y) = [4 3 3 -1] - [11/2 0 11/2 0] = [5/2 3 1/2 -1]

Now, we can write y as the sum of a vector in W and a vector orthogonal to W:

y = [11/2 0 11/2 0] + [5/2 3 1/2 -1]

Therefore,

y = [11/2 0 11/2 0] + 5/2[1 0 1 0] + [3 0 3 0] + 1/2[0 1 0 -2] - [1 0 1 0]

Thus, y can be expressed as the sum of a vector in W and a vector orthogonal to W.

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Answer:

Step-by-step explanation:

xy + 2z = (-2)*4 + 2*(-5)

            = -8 + (-10)

            = -18

Answer:

The value is -18

Step-by-step explanation:

Numerical Value of Expressions

We are given the expression

xy + 2z

It's required to find its value for

x=-2

y=4

z=-5

Substituting:

(-2)(4) + 2(-5)

Operating:

-8 + (-10)

-8 - 10

-18

The value is -18

The minimum yield value of the key material should be determined based on the yield stress of the shaft, which is 36 kg/m², the dimensions of the key, and the safety factor of 2.

To ensure that the key smoothly transmits the torque of the shaft, it is essential to choose a key material with a minimum yield value that can withstand the applied forces without exceeding the yield stress of the shaft.

The dimensions of the key given are 20x20x120 mm. To calculate the torque transmitted by the key, we need to consider the dimensions and the applied forces. However, the specific values for the applied forces are not provided in the question.

The safety factor of 2 indicates that the material should have a yield strength at least twice the expected yield stress on the key. This ensures a sufficient margin of safety to account for potential variations in the applied forces and other factors.

To determine the minimum yield value of the key material, we would need additional information such as the expected torque or the applied forces. With that information, we could calculate the maximum stress on the key and compare it to the yield stress of the shaft, considering the safety factor.

Please note that without the specific values for the applied forces or torque, we cannot provide a precise answer regarding the minimum yield value of the key material.

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Answer:

80?

Step-by-step explanation:

Answer:

90 + 20 = 110

Step-by-step explanation:

Compared to the 1970s, there has been an increase in the proportion of middle-aged women in the 2010s who have opted not to have children.

This trend is often attributed to factors such as increased access to birth control, greater career opportunities for women, and a shift in societal attitudes towards motherhood. However, it's worth noting that there are still many women who do choose to have children in their middle age, and the decision to have children is a deeply personal one that varies from individual to individual.

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Answer: $1,071.54

Step-by-step explanation:

To find the interest refund, first we need to calculate the total interest charged on the loan. We can do this by multiplying the monthly interest by the number of months in the loan:

Monthly interest = Total interest / Number of months

Monthly interest = $2,802 / 35

Monthly interest = $80.06

Total interest charged on the loan = Monthly interest x Number of months

Total interest charged on the loan = $80.06 x 35

Total interest charged on the loan = $2,802.10

Now we need to calculate the interest that would have been charged for the remaining 13 months of the loan:

Interest for remaining 13 months = Monthly interest x Remaining months

Interest for remaining 13 months = $80.06 x 13

Interest for remaining 13 months = $1,040.78

Finally, we can find the interest refund by subtracting the interest for the remaining 13 months from the total interest charged on the loan:

Interest refund = Total interest charged - Interest for remaining months

Interest refund = $2,802.10 - $1,040.78

Interest refund = $1,074.32

Therefore, the interest refund on the loan is $1,074.30.

Here are a few reasons why researchers exercise caution when interpreting statistical significance: Avoiding Type I and Type II errors, Generalizability, Replicability, Methodological limitations.

Researchers are careful about drawing conclusions regarding statistical significance because statistical significance is a measure of the likelihood that the observed results are not due to random chance. When conducting research, researchers aim to make inferences and draw conclusions based on evidence that is reliable and valid.

Here are a few reasons why researchers exercise caution when interpreting statistical significance: Avoiding Type I and Type II errors, Generalizability, Replicability, Methodological limitations.

Avoiding Type I and Type II errors: When testing hypotheses, there is always a possibility of making errors. Type I error occurs when a researcher mistakenly rejects a true null hypothesis (false positive), and Type II error occurs when a researcher fails to reject a false null hypothesis (false negative). By being cautious, researchers strive to minimize these errors and ensure that their conclusions are accurate.

Generalizability: Researchers often want to generalize their findings from a sample to a larger population. Statistical significance provides an indication of how likely the findings can be applied to the broader population. Drawing conclusions without considering statistical significance may lead to misleading or unreliable generalizations.

Replicability: Scientific research should be replicable, meaning that other researchers should be able to obtain similar results when conducting the same study. Statistical significance helps assess whether the observed effects are consistent and reproducible across different studies. Without proper consideration of statistical significance, it becomes difficult to determine if the results can be replicated reliably.

Methodological limitations: Research studies can have various limitations such as small sample sizes, confounding factors, measurement errors, or biases. By carefully assessing statistical significance, researchers can better understand the limitations of their study and make more informed conclusions.

In summary, researchers are cautious about drawing conclusions regarding statistical significance to ensure the validity, reliability, generalizability, and replicability of their findings. By exercising care in interpreting statistical significance, researchers aim to make robust and trustworthy conclusions based on the available evidence.

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Answer:

The slope is -1

Step-by-step explanation:

Answer: -2

Step-by-step explanation:

nice phone case