1Carla participates in competitive archery. Each competition allows a
maximum of 90 points. Carla's results for the last 8 competitions are (76, 78, 81, 75,
80, 80, 76, 77). Find and interpret the standard deviation of the data.

Answer:

i think that looks right

Step-by-step explanation:

what do you have to do??

Answer:

last option

Step-by-step explanation:

i used the quadratic formula

a = 1, b = 7, c = 8

(-b±√b²-4ac) / 2a

= -7 ± √49 - 4(8) / 2

= -7 ± √17

      2

To find the value of N, we need the future value of the retirement fund. If you provide the desired future value, I can calculate the exact value of N.

To find the value of N, we need to calculate the number of monthly deposits Sam made for his retirement fund over 20 years.

Sam deposited $1000 every month for 20 years, which is a total of 20 x 12 = 240 deposits. Each deposit has a compounded interest rate of 5% per year, compounded monthly.

The formula to calculate the future value of a series of monthly deposits is given by:

FV = P * [(1 + r)^n - 1] / r

Where:

FV is the future value of the investment,

P is the monthly deposit amount,

r is the monthly interest rate, and

n is the number of deposits.

In this case, P = $1000, r = 5% / 12 = 0.05 / 12 = 0.00417 (monthly interest rate), and FV is the value of the retirement fund after 20 years.

By rearranging the formula, we can solve for n:

n = log((FV * r) / (P * r + FV)) / log(1 + r)

Plugging in the values, we get:

n = log((FV * 0.00417) / (1000 * 0.00417 + FV)) / log(1 + 0.00417)

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Answer:

Step-by-step explanation:

5x≥15

/5. /5

x≥3

On the number line we put a filled dot since it is both equal to and greater then at 3 and make it point to the right since it is greater it has to go up

Hopes this helps please mark brainliest

Answer:

Choose the bottom right ray and put it at 3.

Step-by-step explanation:

Answer:

is there any options or answers I could see?

Given that 16 families went on a trip and the cost of the trip was Rs. 2,16,352.The amount paid by each family is to be determined by unitary method Hence each family paid Rs.13522

Now, let's solve this by using the method of unitary method. To find the cost of 1 family trip, we will divide the total cost of the trip by the number of families.2,16,352 / 16 = 13,522 So, the cost of the trip per family is Rs. 13,522.Hence, each family paid Rs. 13,522 for the trip.

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Answer:

Step-by-step explanation

1. The total cost of the trip for all 16 families is Rs 2,16,352.
2. To find out how much each family paid, we need to divide the total cost by the number of families: Rs 2,16,352 ÷ 16.
3. When we do the division, we get the result: Rs 13,522.

Now let's check if this result is correct:

1. If each family paid Rs 13,522 for the trip, then the total cost for all 16 families would be: 16 × Rs 13,522 = Rs 2,16,352.
2. This is exactly the same as the total cost given in the problem statement.

So we have shown that each family paid **Rs 13,522** for the trip

As per have proved that the metric space (x,d) has the property that every closed and bounded subset of x is compact.

First, let us define a sequence of positive real numbers εₙ as follows: εₙ = 1/2ⁿ. Since εₙ → 0 as n → ∞, we have that for each n ∈ ℕ, there exists an Nₙ ∈ ℕ such that if n, a > Nₙ, then d(xₙ, xₐ) < εₙ.

To see that A is bounded, note that for any two elements xₙ, x_{Nₙ} in A, we have d(xₙ, x_{Nₙ}) ≤ d(xₙ, x_{Nₙ-1}) + d(x_{Nₙ-1}, x_{Nₙ}) ≤ εₙ + ε_{Nₙ} ≤ 2εₙ. Therefore, the diameter of A is bounded by 2εₙ for any n ∈ ℕ. Since εₙ → 0 as n → ∞, we have that A is bounded.

To see that A is closed, let us consider a point x in the closure of A. If x is not in A, then there exists a positive real number δ such that the open ball B(x, δ) does not intersect A.

Let N be such that 1/2ⁿ < δ/2, and let y be an element in A. If y is equal to x_{Nₙ} for some n ∈ ℕ, then d(x, y) ≥ δ/2 > ε_{Nₙ}. Otherwise, y is equal to xₐ for some a ∈ ℕ.

If a > N, then d(x, y) > εₙ > δ/2. If a ≤ N, then d(y, xₙ) ≤ d(y, xₐ) + d(xₐ, xₙ) ≤ εₐ + εₙ < δ/2 + δ/2 = δ, which contradicts the assumption that B(x, δ) does not intersect A. Therefore, we must have x ∈ A, and so A is closed.

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Answer:

it's your second answer: )

Answer:

the one on the right

Step-by-step explanation:

:) s s

Answer:

|1| = 1

|-4| = 4

|-3| = 3

|2| = 2

Step-by-step explanation:

The absolute value function is defined by

\(|x|=\begin{cases}x,&x\ge0\\-x,&x<0\end{cases}\)

Since 1>0, we have |1| = 1.

Since -4<0, we have |-4| = -(-4) = 4.

Since -3<0, we have |-3| = -(-3) = 3.

Since 2>0, we have |2| = 2.

Answer:

Perimeter = 2(5x-2)+2(3x-7)

Step-by-step explanation:

The perimeter (P) of any rectangle can be represented in terms of length (L) and width (W) with the equation P=2L+2W.

You multiply the length and width of the rectangle by two, since it's only giving one expression for the length and width.

Hope this helps!

Answer:

2042.6$

Step-by-step explanation:

12853(5/100)+1400

Answer:

14

Step-by-step explanation:

The completed calculation with regards to the area of the congruent triangles can be presented as follows;

The distance formula indicates;

AM = √((x₂ - x₁)² + (y₂ - y₁)²)

Therefore, we get;

AM = √((4 - 0)² + (0 - 0)²) = √(4²)

AM = √(4²) = 4

BM = √((x₂ - x₁)² + (y₂ - y₁)²)

BM = √((4 - 4)² + (6 - 0)²) = √(6²)

BM = √(6²) = 6

AM ≅ CM Definition of the midpoint of AC

AM = CM Definition of congruent segments

CM = 4 Substitution property

Area ΔABM

A = (1/2)·b·h

= (1/2) × 4 × 6

= 12

Area ΔCBM

A = (1/2)·b·h

= (1/2) × 4 × 6

= 12

Therefore Area ΔABM = area ΔCBM by congruence

Triangles are congruent if they have the same size and shape.

The details of the reasons for the calculation steps and values are presented as follows;

Definition of midpoint of a segment

The midpoint of a line segment is the point that divides the segment into two parts of the same length

Definition of congruence?

Congruence refers to the existence of compatibility or harmony between objects, which in geometry indicates that the two geometric figures have the same measurement

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Answer:

Step-by-step explanation:

A∩B=[-54,-42]∪[-25,70]

Answer:

This is easy math. 11-5=6. Six frogs are in the water.

Step-by-step explanation:

11 represents the whole of frogs, and 5 represents the frogs in the water.

Answer:

-4-5

Step-by-step explanation:

The temp was at -4 and if it dropped that means you subtract another 5 from it which is -4-5

Answer:

The correct answer is -4 - 5.

Step-by-step explanation:

The original temperature is -4 degrees.  Then, the temperature falls by 5 degrees.  The temperature "falling" means that it is getting colder or that the temperature is getting lower.  This lets us know that we need to use subtraction.  The final answer is -4 - 5, which would give us the temperature of -9 degrees as the new temperature.

Hope this helps!

Answer:

Iv'e checked both of them and they have NO solutions so nyour answer is (None)

Step-by-step explanation:

Answer:

The jumping dolphin is approx. 6 meters under sea level

The flying seagull is approx. 8 meters under sea level

The mobula ray is approx. 2 meters under sea level

The clownfish is approx.t 4 meters under sea level

The octopus is approx.  8 meters under sea level

The jumping dolphin: The mobula ray is 9 meters lower than the jumping dolphin.

The flying seagull: The mobula ray is 11 meters lower than the flying seagull.

The octopus: The mobula ray is 11 meters higher than the octopus.

The jumping dolphin: The albatross is 1 meter lower than the jumping dolphin.

The flying seagull: The albatross is 3 meters lower than the flying seagull.

The octopus: The albatross is 13 meters higher than the octopus.

The jumping dolphin: The clownfish is 8 meters lower than the jumping dolphin.

The flying seagull: The clownfish is 10 meters lower than the flying seagull.

The octopus: The clownfish is 6 meters higher than the octopus.

If the new dolphin is above the dolphin in the picture, then its distance from the surface of the ocean is 6 - 3 = 3 meters.

If the new dolphin is below the dolphin in the picture, then its distance from the surface of the ocean is 6 + 3 = 9 meters.

✧☆*: .｡. Hope this helps, happy learning! (✧×✧) .｡.:*☆✧

Answer:

Sum of the interior angles=900º

x=80º

∠A=110º

∠C=130º

∠E=125º

Step-by-step explanation:

The shape is a heptagon. Meaning, the sum of the interior angles is 180º(n-2) where n is the number of sides. So, 180º(7-2)=180º(5)=900º.

So, we can add up all the angles.

x+30º+140º+x+50º+115º+x+45º+140º+140º=900º

3x+660º=900º

3x=240º

x=80º

Then, we can substitute for ∠A, ∠C, and ∠E

∠A=80+30=110º

∠C=80+50=130º

∠E=80+45=125º

The survey would also ask the respondent to provide an estimate of their total credit card spending in the past 12 months.

The survey would ask questions about the respondent's credit card usage, such as how often they use credit cards, what types of purchases they make with credit cards, how much they spend on average each month, and any other related questions.

The survey would also ask the respondent to provide an estimate of their total credit card spending in the past 12 months. The survey should also include a margin of error of +/- $3500 to ensure the accuracy of the results.

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Answer:

x = 1.91

Step-by-step explanation:

x + 6.62 = 8.53

x + 6.62 - 6.62 = 8.53 - 6.62

x = 1.91

The value of f(-0.01) is approximately 0.99005.

To evaluate f(-0.01), we substitute -0.01 into the function f(x) = (1+x)^(1/x). Thus, we have f(-0.01) = (1+(-0.01))^(1/(-0.01)).

Using a calculator, we simplify this expression to f(-0.01) = 0.99005. Therefore, the value of f(-0.01) rounded to five decimal places is approximately 0.99005.

The function f(x) = (1+x)^(1/x) represents an exponential function with a variable exponent. In this case, we are evaluating the function at x = -0.01.

By substituting this value into the function and performing the necessary calculations, we find that f(-0.01) is approximately 0.99005. This means that when x is equal to -0.01, the function value is approximately 0.99005.

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answer-

577468-64753=57623546

The probability (area under the curve) of picking a client who spends between $57 and $83 per month is 0.4032.

Given,

Mean, μ = $70

Standard Deviation, σ = $10

z = (x-μ) ÷ σ

P(The consumer was charged from around $70 and $83),

P(70 ≤ x ≤ 83) = P((70 - 70) ÷ 10)) ≤ z ≤ ((83-70) ÷ 10)) = P(0 ≤ z ≤ 1.3)

=P(z ≤  1.3) - P(z ≤ 0)

=0.9032 - 0.500 = 0.4032 = 40.32%

P(70 ≤ x ≤ 83) = 40.32%

Customers with Key Refining Company loans typically spend an average of $70 monthly on gasoline and servicing. With either a standard deviation of $10, the expenditure distribution is about normal. For z = 1.3, the area under the curve is 0.4032.

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Answer:

Dekalb: 3500+40x = F

Sycamores : 12,040 - 100x = F

Step-by-step explanation:

These expressions can be used to explain each population

X = number of years for both expression

F = Final population

Dekalb: 3500+40x = F

Sycamores : 12,040 - 100x = F

The current population if 3500 if no years have gone by, plug in the year of numbers for X to find final population after the amount of years.

Answer:

------------------

Simplify in below steps:

Work Shown:

x^2 - 9 = 0

x^2 - 3^2 = 0

(x-3)(x+3) = 0 ..... difference of squares rule

x-3=0 or x+3=0

x = 3 or x = -3

The essays that she can review in 1 hour would be; 2 2/3.

A fraction represents a part of a number or any number of equal parts.

We are given that English teacher reviewed 2 /3 of an essay in 1/ 4 of an hour.

Thus, Fraction of the essay reviewed = 2/3

Amount of time used = 1/4

Therefore, the fraction of essay for an hour can be calculated as;

= Fraction of the essay reviewed / Amount of time used

= 2/3 ÷ 1/4

= 2/3 × 4

= 8/3

= 2 2/3

Hence, She will review 2 2/3 essay.

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The answer is 41 minutes.

explaination:

540 secs = 9 minutes

2/3 of 60 mins= 40 mins

(to find a fraction of a number you divide it by the denominator and times it after by the numerator)

9+40= 49

homework: 90 mins

reading and making lunch: 49 minutes

we want the difference so:

90-49= 41

Roberto spent 41 more minutes doing his homework than reading and making lunch.