Find the sample variance and standard deviation. 17, 10, 4, 8, 11 D Choose the correct answer below. Fill in the answer box to complete your choice. (Type an integer or a decimal. Round to one decimal

Answer:

Step-by-step explanation:

An isosceles triangle is a one that has two of its sides equal. Hence option (c) is correct because here two sides have length of 11.9.

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The percent of error is 17.65% .

The percent of error is a way to measure the difference between the expected value and the actual value. In this case, Peter expected to earn $425 in a week but he actually earned $500.

So, the difference between the expected value and the actual value is $75. The percent of error is calculated by taking the difference between the actual value and the expected value, dividing that by the expected value, and multiplying the result by 100%.

In this case, (500-425)/425*100% = 17.65%, which means that Peter's actual earnings were 17.65% higher than what he expected to earn.

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The center lane with solid and broken yellow lines used by vehicles turning left in both directions is called a Two-way Left-Turn lane. The correct  option A. This lane is marked as two solid yellow lines on either side and broken yellow lines in the middle.

What is a two-way left-turn lane?A two-way left-turn lane is a center lane with solid and broken yellow lines used by vehicles making left turns in both directions. It is also known as a median lane, a center left-turn lane, and a center two-way left-turn lane.

This lane is marked as two solid yellow lines on either side and broken yellow lines in the middle.Only left-turning traffic should use the lane. It's illegal to drive in this lane for more than 300 feet, pass other cars in the lane, or turn left from other lanes when a two-way left-turn lane is present. It is used in order to lessen the amount of crashes and lower traffic congestion in both directions, hence it helps in making the traffic flow smoothly.

A center lane with solid and broken yellow lines used by vehicles turning left in both directions is known as a Two-way Left-Turn lane.

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Answer:

I believe the answer is 943,158,670.349

Step-by-step explanation:

Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!

The measure of the angle X for the trigonometric ratio of sine X equal to 0.7547 is 49° to the nearest degree.

The trigonometric ratios involves the relationship of an angle of a right-angled triangle to ratios of two side lengths. Basic trigonometric ratios includes; sine cosine and tangent.

For the sine of X equal to 0.7547, we can make x the subject by finding the sine inverse of 0.7547 as follows:

sin X = 0.7547

X = sin⁻¹(0.7547)

X = 48.9992

Therefore, the measure of the angle X for the trigonometric ratio of sine X equal to 0.7547 is 49° to the nearest degree.

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The set of natural numbers is closed under addition and multiplication.

The set of natural numbers is closed under the operations of addition and multiplication. This means that when you add or multiply two natural numbers, the result will always be a natural number.

For addition:

If a and b are natural numbers, then a + b is also a natural number.

For multiplication:

If a and b are natural numbers, then a * b is also a natural number.

It's important to note that the set of natural numbers does not include the operation of subtraction, as subtracting one natural number from another may result in a non-natural (negative) number, which is not part of the set. Similarly, division is not closed under the set of natural numbers, as dividing one natural number by another may result in a non-natural (fractional) number.

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Answer:

12

Step-by-step explanation:

22n + 17(20 - n) = 400 ← distribute parenthesis and simplify left side

22n + 340 - 17n = 400

5n + 340 = 400 ( subtract 340 from both sides )

5n = 60 ( divide both sides by 5 )

n = 12

there are 12, 22 cent stamps in the book

y = 5cos(t) + 6sin(t) is indeed a solution to the differential equation y'' + y = 0.

First derivative of y:

y' = -5sin(t) + 6cos(t)

Second derivative of y:

y'' = (-5cos(t)) + (-6sin(t))

    = -5cos(t) - 6sin(t)

Now, we substitute the second derivative y'' and the original function y into the differential equation y'' + y = 0:

-5cos(t) - 6sin(t) + 5cos(t) + 6sin(t) = 0

We can see that the terms involving cos(t) and sin(t) cancel each other out, resulting in 0. Therefore, when we substitute y'' and y into the differential equation, the equation holds true: y'' + y = 0

Hence, y = 5cos(t) + 6sin(t) is indeed a solution to the differential equation y'' + y = 0.

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Answer: The Range

The range on the corn has more spread than the soybeans.

Answer: $24 per liter

Answer:

I think its 24$

Step-by-step explanation:

Divide 60 by 2.5

Answer:

3.7

Step-by-step explanation:

Answer:

P(person will vote for the Republican candidate|person is a Republican)

= number of people who will vote Republican and are Republicanstotal number of Republicans

= 142160=0.888

Step-by-step explanation:

Answer:

Step-by-step explanation:

Trust bro

Answer:

$30,000 divided by 12=$2500

Step-by-step explanation:

Answer:

$2,500

Step-by-step explanation:

30,000/12=2500

The amount of waste a cylinder can hold nearest to the whole number is 3 cubic feet.

We have,

A cylinder is a closed solid that has two parallel circular bases connected by a curved surface.

A cylindrical hazardous waste container has a diameter of 1.5 feet and a height of 1.6 feet.

The amount of waste a cylinder can hold will be given by the volume of the cylinder.

The volume of the cylinder will be

V= π/4 * d²h

We have

d = 1.5 ft

h = 1.6 ft

Then

Volume =π/4 * 1.5² *1.6

             = 2.82 ft^3

             =3ft^3

Hence, The amount of waste a cylinder can hold nearest to the whole number is 3 cubic feet.

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Answer:

8 feet

Step-by-step explanation:

It is given that, a 3 ft tree casts a 10 ft. shadow.  It means that 1 ft long shadow will cast by \(\dfrac{3}{10}\) feet long tree.

Let 26 ft tall tree will cast x feet long shadow. To find it using unitary method we get :

\(x=\dfrac{3}{10}\times 26\\\\x=7.8\ \text{feet}\)

or

x = 8 feet

So, 8 feet long is the shadow of a 26 feet tall tree.

Answer:

40

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

because the lines show that those two sides are congruent,  and because there are two congruent sides, then the third has to be the same to connect the triangles

Answer:

Yes.

Step-by-step explanation:

They have equal angles and line lengths

The dependent variable in the regression analysis that will be conducted is the salary offered (W) to university graduates.

It is considered the dependent variable because it is the variable that is predicted or explained by the Grade Point Average (G), which is the independent variable. The regression analysis will help to determine how much the salary offered varies with changes in the Grade Point Average, and the mathematical equation derived from the analysis will be used to predict the salary offered based on a given Grade Point Average.

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Based on the vertical line test, y is not a function of x in the given graph because the line drawn intercepts the graph at two points.

The vertical line test is used to test whether a relation that is graphed is a function or not.

To conduct the vertical line test, a vertical line is drawn to cut through the graph that represents a relation. If the line intersects the graph at exactly one point, then it is a function. If the line intersects the graph at more than one point, then the graph does not represent a function.

The image attached below shows the vertical line test. The line intercepts the graph at two points, therefore, the relation that is represented by the graph is not a function.

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Answer:

615×79=48,585

Step-by-step explanation:

hope it helps

pls mark as brainliest

Yes, the data collected from interviewing customers at one ShopRite store in Jersey City from Monday to Friday, 9 am-3 pm, could have some issues and biases.

Potential issues include:

1. Limited sample: By conducting interviews only at one store, the percentage of  responses will not provide a comprehesive view of the customer base in Jersey City.

2. Time bias: Surveying customers only between 9 am and 3 pm may exclude individuals who shop outside these hours, leading to an incomplete picture of shopping habits.

3. Location bias: ShopRite customers may not accurately represent the diverse needs and preferences of all Jersey City residents.

4. Self-reported data: Customers may not accurately recall their shopping habits, leading to biased responses.

While the data collected can provide some insights, it may not be sufficient to open a grocery store. You should consider expanding your survey to multiple locations and times, including weekends, and collecting demographic information to better understand the diverse needs of Jersey City residents. Additionally, researching market trends, competitors, and successful grocery store models in similar areas can help inform your business plan.

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After he trimmed it, it was \(84\frac{3}{8}\) inches tall. This can be solved using expression.

A mathematical expression is a phrase that has a minimum of two numbers or variables and at least one mathematical operation. Any one of the following mathematical operations can be used i.e. addition, subtraction, multiplication, or division.

There are three different expression types:

The expression becomes:

= \(84\frac{5}{8} - [{4 * (\frac{1}{16})]\)

= \(84\frac{5}{8} - [\frac{1}{4}]\)

= \(84\frac{3}{8}\)

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Answer: x=19/10

Step-by-step explanation:

Combining three popular technologies, blockchain: keys for cryptography. a network of peers that uses a shared ledger. a method of computation for storing exchanges and records.

Blockchain technology sets itself apart from conventional networks by offering transparency and integrity.

Integrity: When a user retrieves data from a network, he or she may be sure that the data is accurate and unaffected.

Transparency: Every user on the network may confirm any modifications made to the blockchain technology.

The read, write, create, and update operations to databases are provided by the traditional network, however the blockchain technology only enables users to attach the structure and already stored data cannot be changed.

When a new transaction is created, the blockchain makes sure to record it and perform transaction validation.

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The milk will be served in cups to make it easier for them to consume, we are switching from the larger unit (i.e. quarts) to the smaller unit (i.e. cups).

4 cups or 2 pints are equivalent to one quart (qt). We can switch to utilizing gallons if we still need extra liquid. 16 cups, 8 pints, or 4 quarts make up a gallon (gal). It is a measurement of the largest liquid.

Servings per cup are divided at a rate of 9 servings to 3 cups, or 3 servings per cup. In a quart, there are 4 cups. In 2 quarts, there are 8 cups. In 4 quarts, there are 16 cups.

Servings per cup are divided at a rate of 9 servings to 3 cups, or 3 servings per cup.

1 quart = 4 cups

2 quarts = 2 × 4 quarts = 8 cups

3 servings/cup × 8 cups = 24 servings

The complete question is:

A recipe uses 3 cups of milk to make 9 servings. If the same amount of milk is used for each serving, how many servings can be made from two quarts?

1 gallon = 4 quarts

1 quart = 2 pints

1 pint = 2 cups

1 cup = 8 fluid ounces

Before you try that problem, answer the question below.

How many cups will you need to find the number of servings for?

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Answer:

B 60

Step-by-step explanation:

because 30x60=1800 and since you already have 1k you add the 1800 to get 2800.

The given equation dy/dx - (1/x)y = (xcosx)/x³ is linear with y as the dependent variable.

Given differential equation is (x²y+x⁴ cosx)dx -x³dy = 0

The given equation can indeed be classified as linear with y as the dependent variable.

A linear equation with respect to the dependent variable y is of the form:

dy/dx + P(x)y = Q(x),

where P(x) and Q(x) are functions of x. In this case, we have:

(x²y + x⁴cosx)dx - x³dy = 0.

By rearranging the terms, we can write it as:

x²ydx - x³dy + x⁴cosxdx = 0.

Now, we can rewrite the equation in the form:

dy/dx + (-x²/x³)y = x⁴cosx/x³.

Simplifying further, we get:

dy/dx - (1/x)y = (xcosx)/x³.

As you can see, the equation is in the form of a linear equation with respect to y. The coefficient of y, (-1/x), is a function of x, while the right-hand side (RHS) is also a function of x. Therefore, the given equation is linear with y as the dependent variable.

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The exact value of the trigonometric function is cos θ = (√3 + 1) / 2√2.

In this problem we find the exact value of a trigonometric function, from which we need to determine the exact value of another trigonometric function. This can be done by using definitions of trigonometric functions:

tan θ = y / x

cos θ = x / √(x² + y²)

Where:

If we know that y = √3 - 1 and x = √3 + 1, then the exact value of the other trigonometric function is:

cos θ = (√3 + 1) / √[(√3 + 1)² + (√3 - 1)²]

cos θ = (√3 + 1) / √(3 + 2√3 + 1 + 3 - 2√3 + 1)

cos θ = (√3 + 1) / √8

cos θ = (√3 + 1) / 2√2

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