Help please math is so hard

If you can earn 8 percent on your money, the prize worth to you is: $76,812.50. To calculate the present value of the prize, we need to determine the current worth of receiving $1000 per month for 9 years, given an 8 percent annual interest rate.

This situation can be evaluated using the concept of the present value of an annuity. The present value of an annuity formula is used to find the current value of a series of future cash flows. In this case, the future cash flows are the $1000 monthly payments for 9 years. By applying the formula, which involves discounting each cash flow back to its present value using the interest rate, we find that the present value of the prize is $76,812.50.

This means that if you were to receive $1000 per month for 9 years and could earn an 8 percent return on your money, the equivalent present value of that prize, received upfront, would be $76,812.50.

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Answer: 2.456  x 10 to the power 11

Step-by-step explanation: Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

Answer:

2.456  x 10 to the power 11

Step-by-step explanation:

Answer:

are you done or i can still answer this

Step-by-step explanation:

Step-by-step explanation:

i don't knowhkkokhhhhvfyui

(a) No, a triangle cannot have two obtuse angles. (b) No, a triangle cannot have two right angles.
(c) If no angle of a triangle measures more than 60°, then the triangle is an acute triangle.


(a) In a triangle, the sum of all three angles must be 180°. Since two obtuse angles would sum to more than 180°, it is not possible for a triangle to have two obtuse angles.
(b) In a triangle, the sum of all three angles must be 180°. Since two right angles would sum to 180°, it is not possible for a triangle to have two right angles.
(c) In an acute triangle, all three angles are less than 90°. If no angle of a triangle measures more than 60°, then all three angles are less than 90°, making it an acute triangle.

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One reason a sample may fail to represent the population of interest is sampling error.

The correct answer is an option (c)

We know that the sampling error is a statistical error that occurs when an analyst does not select a sample which represents the entire population of data.

So, the results found in the sample and the results obtained from the entire population would be different.

This error occurs when the sample used in the study is not representative of the entire population.

A sampling error is nothing but a deviation in the sampled value vs. the true population value.

Even randomized samples might have some degree of sampling error because in randomized samples, sample is only an approximation of the population from which it is drawn.

There are different categories of sampling errors.

- Population-Specific Error

- Selection Error

- Sample Frame Error

- Non-response Error

- Eliminating Sampling Errors

Therefore, One reason a sample may fail to represent the population of interest is sampling error.

The correct answer is an option (c)

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Answer:

90=square

72=nonagon

60=hexagon

45=pentagon

40=octagon

I am not entirely sure tho

The definition that describes this sequence is "The first term is 2 and every term after the first is 9 more than the preceding term".

A sequence can be defined as a collection of objects, in this case numbers that are related or organized in a particular way. In mathematics sequences follow a pattern.

The sequence in this case is:

2, 11, 20, 29, 38, 47, 56,..

If we observe this sequence, the first thing that we can notice is that there is a difference of 9 between one number and the following one. For example: 29-20 = 9 or 20-11= 9, which indicates a clear pattern.

Based on the above, it can be concluded ""The first term is 2 and every term after the first is 9 more than the preceding term"

Note: This question is incomplete; here is the complete question:

2, 11, 20, 29, 38, 47, 56,...Jane is given this sequence and is asked to write the definition. Which definition describes the sequence.

A) You add 9 to every term to find the sequence.

B) The first term is 2 and every term after the first is 9 more than the first term.

C) The first term is 2 and every term after the first is 9 more than the preceding term.

D) The first term is 2 and every term after the first is 7 more than the preceding term.

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Answer: 18300/29

Step-by-step explanation:

All the points in both sets satisfy the constraints, the feasible solution is α = (1, 0, 0, 0) and β = 0. This plane separates the sets S1 and S2.

To formulate the problem as a linear optimization problem (LO), we can introduce slack variables to represent the signed distances of the points from the plane αTx = β. Let's denote the slack variables as y_i for points in S1 and z_i for points in S2.

1.1 Formulation:

The problem can be formulated as follows:

Minimize: 0 (since it is a feasibility problem)

Subject to:

α1x1 + α2x2 + α3x3 + α4x4 - β ≥ 1 for (x1, x2, x3, x4) in S1

α1x1 + α2x2 + α3x3 + α4x4 - β ≤ -1 for (x1, x2, x3, x4) in S2

α1, α2, α3, α4 are unrestricted

β is unrestricted

y_i ≥ 0 for all points in S1

z_i ≥ 0 for all points in S2

The objective function is set to 0 because we are only interested in finding a feasible solution, not optimizing any objective.

1.2 Finding a feasible solution:

To find a feasible solution for this linear optimization problem, we need to check if there exists a plane αTx = β that separates the given sets of points S1 and S2.

Let's set α = (1, 0, 0, 0) and β = 0. We choose α to have a non-zero value for the first component to satisfy α ≠ (0, 0, 0, 0) as required.

For S1:

(1, 2, 1, -1) - 0 = 3 ≥ 1, feasible

(3, 1, -3, 0) - 0 = 4 ≥ 1, feasible

(2, -1, -2, 1) - 0 = 0 ≥ 1, not feasible

(7, -2, -2, -2) - 0 = 3 ≥ 1, feasible

For S2:

(1, -2, 3, 2) - 0 = 4 ≥ 1, feasible

(-2, π, 2, 0) - 0 = -2 ≤ -1, feasible

(4, 1, 2, -π) - 0 = 5 ≥ 1, feasible

(1, 1, 1, 1) - 0 = 4 ≥ 1, feasible

Since all the points in both sets satisfy the constraints, the feasible solution is α = (1, 0, 0, 0) and β = 0. This plane separates the sets S1 and S2.

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Answer: B

Step-by-step explanation:

∠a and ∠b are complementary angles. Complementary angles are two angles adjacent to each other that add up to 90°. We know this is true because of the 90° angle that is labelled.

Vertical angles are not adjacent to each other. They are across from each other, connected by the angle. They are equal in angles. It is clear that ∠a and ∠b are not equal in angles. Therefore, they are complementary angles.

Step-by-step explanation:

the perimeter of a rectangle is

2×length + 2×width

so our inequalities are

2×length + 2×width <= 140 m

length + width <= 70 m

width <= 24 m

let's assume for a moment that width = 24.

and we get

length + 24 <= 70

length <= 46 m

or general

length <= 70 - width

with maximum width (24 m), length <= 46m

with a minimum width (e.g. 1 m), length <= 69

so, overall, 0 m < length < 70 m (I assume width = 0 or length = 0 are not valid).

Answer:

The second one. The -2y should have been +2y

Step-by-step explanation:

a negative multiplied by a negative gives you a positive

Answer:

it should be the second answer

Step-by-step explanation:

hope this helps

Answer:

I think its -37

Step-by-step explanation:6^2 - -1 *-1= 36+1= 37*-1 = -37

Answer:

$389,600

Step-by-step explanation:

$389,600

Answer:80% - 70%

Step-by-step explanation:

If the margin for the error is 5% im guessing that means 5% backwards or forwards so i believe that my answer is correct

ps if im right brainliest please

The percentage range that reflects the population's true response, considering the margin of error, is from 70% to 80%.

Given, a margin of error of 5%, we can determine the range that reflects the population's true response.

To find the range, we consider the maximum and minimum values within the margin of error.

Maximum Value: 75% + 5% = 80%

Minimum Value: 75% - 5% = 70%

Therefore, the percentage range that reflects the population's true response, considering the margin of error, is from 70% to 80%.

This means that we can be 95% confident that the actual percentage of people who would buy the product again lies within this range.

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Answer:

100,000,000

Step-by-step explanation:

Multiply.

10 x 10 x 10 x 10 = 10,000

Then multiply 10,000 to the power of 2

10,000 x 10,000

The answer is 100,000,000

Hope this helped :)

Answer:

no solution is involved

The rise-over-run formula for the slope of a straight line is the basis of The high - low method.

The high-low method is a way of attempting to separate out fixed and variable costs given a limited amount of data. The high-low method involves taking the highest level of activity and the lowest level of activity and comparing the total costs at each level.

For example, if you have two production periods where you generate 6,000 units and then 2,500 units, those are the highest and lowest activity, respectively.

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Answer:

2 sides of equal length meaning the poster is a rectangle

The length of the microorganism that measure 5μm is equivalent to 0.005 mm

It is the transformation of a value expressed in one unit of measurement into an equivalent value expressed in another unit of measurement of the same nature.

To solve this problem the we have to convert the units with the given information.

1mm is equal to 1000 μm

5μm * (1 mm/1000μm) = (5*1) / 1000 = 5/1000 = 0.005 mm = 5x10^-3 mm

The length of the microorganism that measure 5μm is equivalent to 0.005 mm

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Answer:

＼(◎o◎)／

♪～(´ε｀ ) ╮(. ❛ ᴗ ❛.)╭

If a sample of 8 scores has a mean of 10 and after removing one score, the mean of the remaining scores is 11, the score that was removed is 7.

The mean of the original sample is 10. This means that the sum of the scores in the sample is 8 multiplied by 10, which equals 80. After one score is removed, the mean of the remaining scores is 11. Since there are now 7 scores remaining in the sample, the sum of those scores is 7 multiplied by 11, which equals 77.

To find the score that was removed, we need to calculate the difference between the sum of the original sample and the sum of the remaining scores. The difference is 80 minus 77, which equals 3. Therefore, the score that was removed from the sample is 3.

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Answer:

E = 80 degrees

Step-by-step explanation:

7x + 3 + x + 15 + 74degrees = 180

8x + 92 = 180

8x = 180 - 92

8x = 88

x=11

m<E = 7x + 3

7(11) + 3

77 + 3

= 80

Answer:

8

Step-by-step Explanation:

Step 1. Divide 1200 by 300:

1200 ÷ 300 = 4

Step 2. Multiply 4 by 2:

4 * 2 = 8

Answer:

s = 6/7 yd

Step-by-step explanation:

Area of a square = side times side. Since each side of a square is the same, it can simply be the length of one side squared.

The area of any quadrilateral can be determined by multiplying the length of its base by its height. Since we know the shape here is square, we know that all sides are of equal length. From this we can work backwards by taking the square root of the area to find the length of one side.

Answer:

<    No

Step-by-step explanation:

Answer:

no because the one with more zeros is lower.

Step-by-step explanation:

Answer:

1. The like terms are 11x and 2x and the terms are 11x and 2x

2. The like terms are 9x and -5x and the terms are 9x and -5x

3. the like terms are (21x and x) and (6 and -5) and the terms are 21x, 6, -x, and -5.

4. The like terms are (8x and -3x) and (14 and 1). And the terms are 8x, 14, -3x, and 1.

Answer:

29. See table below

30. See attached graph

31. The slope is m= 0.10

The slope represent the cost for every additional call minute.

Step-by-step explanation:

The cost is $0.5  first minute and $0.10 for any additional minutes

If c is the total cost of a call that last t minutes then;

c= 0.10t + 0.5-----where t is the time the call lasted

29. Use the equation above to create the table as;

t {x}            c{y}

1                  0.6

2                 0.7

3                 0.8

4                 0.9

5                 1.0

6                 1.1

The graph of this plot is as attached , where the coordinates are

{1,0.6} , {2,0.7} ,{3,0.8} ,{4,0.9} ,{5,1.0}, {6,1.1}

The slope can be found using the formula;

m=Δy/Δx

m= 1.1 - 0.6 / 6-1

m= 0.5 / 5 = 0.10

The slope represent the cost for every additional call minute.

Answer:

A

Step-by-step explanation:

the slope is rising by 1 and run by run, remember rise over run. the y intercept is 2 so it's +2.