Which is best estimate for the mass of a spoon

Answer:

Step-by-step explanation:

10+W=25

Answer:

The First Part would be B and for the W= would be 15 since

25 = 10 + 15, it would also be B because of the order of the numbers.

You could also rewrite it as 10 + 15 = 25.

Step-by-step explanation:

Answer:

126

Step-by-step explanation:

First multiply 6 by 1. This equals 6. Then, multiply 6 by 20 to get 120. 6+120=126.

Since you have the hypotenuse and the adjacent length, you have to use the trigonometric ratio cosine to

solve for x. Formulating the equation we have:

The index of openness is a metric that measures the ratio of a country's total trade (exports plus imports) to its gross domestic product (GDP).

It is a measure of how much a country is open to international trade. If country X has imports valued at $2.9 trillion, exports valued at $1.5 trillion, and GDP valued at $9.8 trillion, the index of openness for country X can be calculated as follows: Index of openness = (Imports + Exports) / GDP Substituting the values for country X.

We get: Index of openness = ($2.9 trillion + $1.5 trillion) / $9.8 trillion Index of openness = $4.4 trillion / $9.8 trillion Index of openness = 0.45Therefore, the index of openness for country X is 0.45 when rounded to two decimal places.

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Reason:

If you were to draw a line through the points mentioned in choice A, the line wouldn't be close to the points since (4,15) isn't close to the points. The same goes for (10,7). So we can rule out choice A. Choices B and C are similar stories.

Choice D on the other hand has its line fairly close to all of the points.

Last option

(0,13)

(10,0)

So

both will contain most no of plots so Option D is correct

Answer:

4.22x times 3.1=80.6

Step-by-step explanation:

sorry if this is wrong I'm not a mathematician.

hope this helps

The type of sampling being used when 5% of the registered voters from each county in a state are drawn at random separately is a stratified sampling.

Stratified sampling is the type of probability sampling that is used when the population being sampled has different groups or strata with varying characteristics. A sample is then drawn from each group to make sure that each stratum or group is represented.The samples can be of equal sizes or can be proportionate to the size of the group. The idea behind stratified sampling is to increase the representativeness of the sample by reducing the variability of the data obtained from the sample.

The advantages of using stratified sampling are that it reduces the variability of the data obtained and ensures that every group or stratum is represented. It also makes it possible to identify any differences between the groups and analyze them independently of the others.In summary, when 5% of the registered voters from each county in a state are drawn at random separately, it is an example of a stratified sampling.

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The value of the expression 1 - 0.03 * 56 / 328 is equal to 0.9495.

To calculate the given expression, we follow the order of operations (PEMDAS/BODMAS):

Multiply 0.03 by 56: 0.03 * 56 = 1.68.

Divide the result by 328: 1.68 / 328 = 0.00512195 (rounded to 8 decimal places).

Subtract the obtained value from 1: 1 - 0.00512195 = 0.99487805.

Rounding the final result to 4 decimal places, we get 0.9495.

Therefore, the value of the expression 1 - 0.03 * 56 / 328 is 0.9495.

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Answer: E

Step-by-step explanation:

The solution means the intersection point, so in this case, it's (3, 2). The intersection point represents a value that is true for both equations, which is why it's considered the solution.

Answer:

(I assume you are referring to a cone with a height (h) of 16 feet and a radius (r) of 12 feet.)

To find the various parts of the cone, we can use the following formulas:

Radius: r = 12 feet

Height: h = 16 feet

Slant height: s = sqrt(r^2 + h^2) = sqrt(12^2 + 16^2) = 20 feet

Base circumference: C = 2πr = 2π(12) ≈ 75.4 feet

Base area: B = πr^2 ≈ 452.4 square feet

Lateral area: LA = πrs ≈ 753.9 square feet

Total surface area: SA = πr^2 + πrs ≈ 1206.3 square feet

Volume: V = (1/3)πr^2h ≈ 7238.2 cubic feet

Therefore, the various parts of the cone are:

Radius: r = 12 feet

Height: h = 16 feet

Slant height: s = 20 feet

Base circumference: C = 2πr ≈ 75.4 feet

Base area: B = πr^2 ≈ 452.4 square feet

Lateral area: LA = πrs ≈ 753.9 square feet

Total surface area: SA = πr^2 + πrs ≈ 1206.3 square feet

Volume: V = (1/3)πr^2h ≈ 7238.2 cubic feet

Note: The values for C, B, LA, SA, and V are approximations and may be rounded to the nearest tenth or hundredth depending on the required level of accuracy.

The amount of gas left is 3.25 gallons

The given parameters are:

Total gallons of gas =  5 gallons

Tractor = 1 gallon

Lawnmower = 3 quarts

The amount of gas left is calculated as:

Amount left = Total gallons of gas - Tractor - Lawnmower

Substitute the known values in the above equation

Amount Left = 5 gallons - 1 gallon - 3 quarts

Convert quarts to gallons

Amount Left = 5 gallons - 1 gallon - 3 * 0.25 gallons

So, we have:

Amount Left = 5 gallons - 1 gallon - 0.75 gallons

Evaluate the difference

Amount Left = 3.25 gallons

Hence, the amount of gas left is 3.25 gallons

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Answer:

Step-by-step explanation:

Given:

n= Total number of random sample of people taken=400

x= Number of people who provided yes responses= 124

P= The point of estimate of the sample of the population portion taken=?

Now,

P=x/n

P=124/400

P= 124/4×100

P= 32/100

P= 0.32 or 32%

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0.31 or 31% is the point estimate of the proportion of the population that would provide yes responses

Estimate of Proportion: If we divide the random variable, the mean, and the standard deviation by n, we get a normal distribution of proportions with P′, called the estimated proportion, as the random variable. (Recall that a proportion as the number of successes divided by n.)

a simple random sample of 400 individuals provides 124 yes responses

The point estimate of individuals that would provide yes responses is the sample proportion.

n= Total number of random sample of people taken=400

x= Number of people who provided yes responses= 124

P= The point of estimate of the sample of the population portion taken

The sample proportion is calculated by dividing number of yes responses by sample size

p = x/n = 124/400= 0.31 or 31%

0.31 or 31% is the point estimate of the proportion of the population that would provide yes responses

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Answer:

Hai! saya dari Indonesia! salam kenal yaa ^^ oh ya maaf tidak bisa menjawab pertanyaan kamu ^^

The dimensions of the plastic box are: Height = 3 feet, Width = 5 feet, Length = 5 feet.

Let's assume the height of the plastic box is represented by "h" feet.

According to the given information:

The width is 2 feet longer than the height, so the width is (h + 2) feet.

The length is 2 feet longer than the height, so the length is (h + 2) feet.

The volume of the box is given as 60 ft^3. The volume of a rectangular box is calculated by multiplying its length, width, and height.

Therefore, we can set up the equation:

Volume = Length * Width * Height

60 = (h + 2) * (h + 2) * h

Expanding and rearranging the equation, we get:

60 = h^3 + 4h^2 + 4h + 4h + 4

60 = h^3 + 4h^2 + 8h + 4

Now, we need to solve this cubic equation to find the value of "h" (height).

By trial and error, we can find that h = 3 is a solution to the equation.

Therefore, the height of the box is 3 feet.

Using this value, we can calculate the width and length:

Width = h + 2 = 3 + 2 = 5 feet

Length = h + 2 = 3 + 2 = 5 feet

So, the dimensions of the plastic box are:

Height = 3 feet

Width = 5 feet

Length = 5 feet

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A parallel line has the same slope as the original line. So in this case the slope of the line is also 3/4. Now how do we know if it intersects the point? We need to adjust the y intercept.



Currently, we know the equation of the line is y= 3/4 x + b, where b is the thing we are looking for. We also have a point, which supplies the x and y. Plug that in and solve for b

-2 = (3/4)*(12) + b

You'll get b= -11

So the equation of the parallel line intersecting the point given is y= 3/4x -11.

I am assuming that the slope is 3/4 based on the way you formatted the original equation, but it's the same steps if the slope is different.

Answer:

Step-by-step explanation:

We know that:

Work:

Hence, for 5 bows, 10/3 yards of ribbon is required.

The value of the polynomial "5x - 4x^2 + 3" at x =- 1 is -6.

The polynomial is 5x - 4x^2 + 3, and it is required to find its value at x = -1,

Now solve the polynomial by putting the value of x equal to -1:

5(-1) - 4(-1)^2 + 3        ,  x =  - 1

-5 - 4 ( 1 ) + 3             , squaring -1 gives + 1

minus 5 minus 4 plus 3

( - 9 + 3)

( - 6 )

Hence, is shown that the value - 6 is obtained when the given polynomial "5x - 4x^2 + 3" is solved for x = -1.

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Answer:

Logarithms were invented in the 17th century as a calculation tool by Scottish mathematician John Napier (1550 to 1617), who coined the term from the Greek words for ratio (logos) and number (arithmos

Answer:

\(12\)

Step-by-step explanation:

\(\sqrt{12} \times\sqrt{12}\)

\(\mathrm{Apply\:radical\:rule}:\quad \sqrt{a}\sqrt{a}=a,\:\quad \:a\ge 0\)

\(\sqrt{12}\sqrt{12}=12\)

\(=12\)

The value of \(\sqrt{12} * \sqrt{12}\) is equal to 12

To solve this problem, we have to convert the surds to radicals and then use the law of indices on this.

\(\sqrt{12} * \sqrt{12}= 12^\frac{1}{2} * 12^\frac{1}{2}\)

This law is given as

\(a^m+a^n = a^(^m^+^n^)\)

let's substitute the values in this question.

\(12^\frac{1}{2}*12^\frac{1}{2}\)

Let's apply the law and solve the radical

\(12^\frac{1}{2}*12^\frac{1}{2} = 12^(^\frac{1}{2}^+^\frac{1}{2}^)\\\)

Solve the fractions

\(\frac{1}{2}+\frac{1}{2}=1\)

substitute the values and solve

\(12^\frac{1}{1}=12\)

from the calculations above, the value of the radical is 12.

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Answer:

80444444444444444448----2-19999999999999999999999999999999999999488888888888888888888888865194974037205702795042-73--457-309703407203570-2-5-593759597207092-7503928077475073703594370975909304575407590565-17596332-659549579-27943595396575-2759650-2650-2959-92552820595907979474237947479023333333372222227403794322225409732222224700007945479470000374444444440944453709433337094444444444444474555555709479000447950497439270007454709490375777772093749930579047093479352974300000040357999994794432099999994907777743799949034970349743972437900000000940733320944444755555554099970304937777449037709437453094490377974374903

Step-by-step explanation:

Answer:

Your answer is definitely A

Lines 2 and 3 are perpendicular, while Lines 1 and 2, and Lines 1 and 3 are neither parallel nor perpendicular.

To determine whether two lines are parallel, perpendicular, or neither, we need to examine their slopes.

The slope-intercept form of a line is y = mx + b, where m is the slope and b is the y-intercept. If two lines have the same slope, they are parallel. If the product of their slopes is -1, they are perpendicular. Otherwise, they are neither parallel nor perpendicular.

Line 1: 10x - 4y = -4 can be rewritten in slope-intercept form as y = 2.5x + 1. This means its slope is 2.5.

Line 2: y = 5x + 7 is already in slope-intercept form. Its slope is 5.

Line 3: 5y = 2x + 4 can be rewritten in slope-intercept form as y = 0.4x + 0.8. This means its slope is 0.4.

Now we can compare the slopes of each pair of lines:

Lines 1 and 2: The slope of Line 1 is 2.5 and the slope of Line 2 is 5. These slopes are not equal and their product is not -1, so these lines are neither parallel nor perpendicular.

Lines 1 and 3: The slope of Line 1 is 2.5 and the slope of Line 3 is 0.4. These slopes are not equal and their product is not -1, so these lines are neither parallel nor perpendicular.

Lines 2 and 3: The slope of Line 2 is 5 and the slope of Line 3 is 0.4. Their product is -1, so these lines are perpendicular.

Therefore, Lines 2 and 3 are perpendicular, while Lines 1 and 2, and Lines 1 and 3 are neither parallel nor perpendicular.

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Answer:

lol

Step-by-step explanation:

We're gonna have a problem here

Y'all act like you never seen a white person before

Jaws all on the floor like Pam like Tommy just burst in the door

Answer:

Can you explain better? I might be able to solve

Step-by-step explanation:

Answer:

12/2g + 1

12/2(1)+1

12/2+1

12/3

4

Step-by-step explanation:

Answer:

x^2 + 9x + 4 + 9/x - 4

Step-by-step explanation:

Simplify

The graph of the absolute value function can be seen on the image at the end of the answer.

Here we want to graph the following function:

f(x) = |x - 6| - 4

This in an absolute value function, and it shape is like a "V".

The vertex is at the point (6, -4), and from that point it increases (the V opens upwards, and in this case with a "slope" of 1).

Then the graph of the absolute value function will be like the graph that you can see in the image below.

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Answer:

absolute value is how many units it is away from 0. meaning that -6 and 6 both have an abosolute value of 6.

Step-by-step explanation:

Answer:

-1

Step-by-step explanation:

The solution is -1

The value of cot ( -9π / 4 )  is  -1

What are trigonometric relations?

Trigonometry is the study of the relationships between the angles and the lengths of the sides of triangles

The six trigonometric functions are sin , cos , tan , cosec , sec and cot

Let the angle be θ , such that

sin (-θ) = -sin (θ)

csc (-θ) = -csc (θ)

cos (-θ) = cos (θ)

sec (-θ) = sec (θ)

tan (-θ) = -tan (θ)

cot (-θ) = -cot (θ)

In the first quadrant, sin, cos and tan are all positive.

In the second quadrant going anti-clockwise, only sin is positive.

In the third quadrant going anti-clockwise, only tan is positive.

In the fourth quadrant going anti-clockwise, only cos is positive

Given data ,

Let the equation be represented as A

The value of A = cot ( -9π / 4 )

Now , from the trigonometric relations , we know

cot (-θ) = -cot (θ)

So , substituting the values in the equation , we get

cot ( -9π / 4 ) = - cot ( 9π / 4 )

And , 9π / 4 = 2π + π/4

So , - cot ( 9π / 4 ) = - cot ( 2π + π/4  )

The rotations of 2π until the angle is greater than or equal to 0 and less than 2π

On simplifying , we get

- cot ( 9π / 4 )  = - cot ( π/4 )

The value of cot (θ) in the first quadrant is positive

And , cot ( π/4 ) = 1

Therefore ,

cot ( -9π / 4 )  = -1

Hence , the value of cot ( -9π / 4 )  is  -1

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