Which is one characteristic that is used to identify types of metamorphic rocks?
A) Color
B) rock size
C) grain arrangement
D) type of rock before metamorphosis

Answer:

B

Step-by-step explanation:

Answer:

13.3-1.7=11.6

Step-by-step explanation:

Wait go to my account I havee something for you guys

Answer:

Can someone answer this pleeeeeaaaassseeee!!!!!!!

Step-by-step explanation:

plz

Answer:

The expected value of spinning the wheel once is $61.11.

Step-by-step explanation:

To calculate the expected value, we need to multiply the value of each outcome by its probability, and then add all of these products together. In this case, we have:

Expected value = ($20 * 4/9) + ($60 * 2/9) + ($80 * 2/9) + ($120 * 1/9)

Expected value = $71.11

Therefore, the expected value of spinning the wheel once is $61.11. This is the average value we would expect to get if we spun the wheel many times.

Answer: this would be 20$

Step-by-step explanation: Hope it helps, please mark brainliest!

Answer:

x/-5

Step-by-step explanation:

Just divide by 5 and the denominator will be 5 meaning x would have to be 4.

Make sure your 5 is negative so the whole equation also ends up negative. x/-5=-4/5

The percentage error is 16%

We know that the formula for the percentage error.

E = (absolute error / actual value) × 100

The formula for the absolute error is:

A = |actual value - experimental value|

A = |V1 - V2|

where V1 is the actual value

V2 is the experimental value

E is the percentage error

A is the absolute error

In this question, the experimental calculation of the specific heat of aluminum = 156 cal/g °C

And the actual specific heat of aluminum = 185 cal/g °C

Using above formula of absolute error,

A = |185 - 156|

A = 29 cal/g °C

And the percent error would be,

E = (absolute error / actual value) × 100

E = (29 / 185) × 100

E = 0.16 × 100

E = 16%

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With 99% confidence that the mean jogging time for the entire distribution of Ozlem's 3 miles running times is between 23.387 minutes and 24.613 minutes.

To obtain a 0.99 confidence interval for the mean jogging time (μ) of Ozlem's 3 miles running times, we can use the following formula:

CI = x-bar ± Z * (S/√n)

Where:

CI = Confidence Interval

x-bar = Sample mean (24 minutes)

Z = Z-score corresponding to the desired confidence level (0.99)

S = Sample standard deviation (2.30 minutes)

n = Number of observations (95 times)

First, we need to find the Z-score corresponding to the 0.99 confidence level.

The Z-score can be obtained using a standard normal distribution table or a statistical calculator.

For a 0.99 confidence level, the Z-score is approximately 2.576.

Now we can calculate the confidence interval:

CI = 24 ± 2.576 * (2.30/√95)

Calculating the values:

CI = 24 ± 2.576 * (2.30/√95)

CI = 24 ± 2.576 * (2.30/9.746)

CI = 24 ± 2.576 * 0.238

CI = 24 ± 0.613

The confidence interval for μ is approximately (23.387, 24.613).

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Answer:

a equals t plus v divided by a

The diagram of water cycle is attached below.

The best describes the process occurring at U and X is Water changes from a liquid to a gas.

The process that occurs at the position of U and X is discussed when water transforms from a liquid to a gas. This is called Evaporation.

The following are the situations that should not be arisen at the location U and X:

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Answer:

The value of k is:

\(k=4\)

Step-by-step explanation:

The equation is as such:

\(\frac{6}{2k-6}=3\)

Step 1: Make 2k-6 the subject

\(\frac{6}{2k-6}=3\\\\\text{Multiply by}~2k-6~\text{on both sides of the equation:}\\\frac{6}{2k-6}\times(2k-6)=3\times(2k-6)\\\\\text{Cancel the two expressions}~2k-6~\text{that are being divided by each other:}\\6=3\times(2k-6)\\\\\text{Divide by}~3~\text{on both sides of the equation:}\\\frac{6}{3}=\frac{3\times(2k-6)}{3}\\\\\text{Simplify:}\\2=2k-6\)

Step 2: Make k the subject:

\(2=2k-6\\\\\text{Add}~6~\text{on both sides of the equation:}\\2+6=2k-6+6\\\\\text{Simplify:}\\8=2k\\\\\text{Divide by}~2~\text{on both sides of the equation:}\\\frac{8}{2}=\frac{2k}{2}\\\\\text{Simplify:}\\4=k\\\\\text{Thus:}\\k=4\)

Answer: 5

Step-by-step explanation: 5*-1=-5

The Coase theorem is an economic theory that states that in the absence of transaction costs, the allocation of resources and the distribution of wealth will be efficient regardless of how property rights are assigned.

In this context, the theorem reminds us that efficiency is all about maximizing total welfare, rather than focusing solely on the allocation of resources or the distribution of wealth. When transaction costs are low or non-existent, parties can negotiate with each other to reach mutually beneficial agreements that maximize their combined welfare. This means that ownership of property or resources is less important than the ability of parties to freely negotiate with one another.

For example, imagine two neighboring farms: one produces apples and the other produces honey. If the apple farmer's use of pesticides harms the bee population and reduces the honey farmer's production, the honey farmer could demand compensation from the apple farmer. If transaction costs are low, the two farmers could negotiate a solution that is mutually beneficial, such as the apple farmer paying for the honey farmer to relocate their bees to a safer area. In this scenario, the assignment of property rights is not as important as the ability of the two parties to negotiate and reach an agreement that maximizes their total welfare.

Overall, the Coase theorem highlights the importance of considering the broader impacts of economic decisions and recognizing that efficiency depends on maximizing the overall benefits to all parties involved, rather than just focusing on individual outcomes.

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Answer:

7 trophies on 1 shelf and 3 on a second shelf

Step-by-step explanation:

because you have 10 trophies, 7 can fit on the first shelf, but because there are 3 left over, you can put them on a second shelf.

If a shelf can hold 7 trophies then 604800 ways can the trophies be arranged if there are 10 trophies available

Permutation of a set is an arrangement of its members into a sequence or linear order, or if the set is already ordered, a rearrangement of its elements.

Given,

A shelf can hold 7 trophies.

If there are 10 trophies.

We need to find how many ways can we arrange these 10 trophies.

This can be done by using permutation.

10P7

ⁿPr=n!/(n-r)!

n=Number of trophies=10

r=Number of selected trophies=7

¹⁰P₇=10!/(10-7)!

=10!/3!

=10×9×8×7×6×5×4×3!/3!

=604800

Hence 604800 ways  can the trophies be arranged if there are 10 trophies available

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Answer:

\(\frac{3}{88}\)

Step-by-step explanation:

Given

One-eighth times three-elevenths

Required

Solve

One-eighth means 1/8

Three-elevenths means 3/11

So, mathematically; the above expression is represented as thus:

\(\frac{1}{8} * \frac{3}{11}\)

To solve this, we simply multiply the numerator and the denominator together.

After multiplying these together, the next is to check if the resulting can be simplified

If yes,we simplify it and if otherwise, we live it like that.

So,

\(\frac{1}{8} * \frac{3}{11}\)

\(=\frac{1 * 3}{8 * 11}\)

\(= \frac{3}{88}\)

At this point, the fraction can't be simplified any further.

Hence,

\(\frac{1}{8} * \frac{3}{11} = \frac{3}{88}\)

The radian measure of the angle at the center of the circle is approximately 1.6623 radians.

We are given that the radius of the circle is 77.0 cm and the length of the intercepted arc is 128 cm. We need to find the radian measure of the angle at the center of the circle.

To solve this problem, we use the formula relating the angle at the center of a circle, the radius of the circle, and the arc length intercepted by the angle.

The formula is given byθ = s/rwhereθ = angle at the center of the circle in radians s = arc length intercepted by the angle r = radius of the circle Substituting the given values, we getθ = 128/77.0 = 1.6623 radians (rounded to four decimal places)

Therefore, the radian measure of the angle at the center of the circle is approximately 1.6623 radians.

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Answer:

  √205

Step-by-step explanation:

Put the values in the distance formula and do the arithmetic.

  d = √((x2 -x1)^2 +(y2 -y1)^2)

  d = √((2 -16)^2 +(6 -9)^2) = √((-14)^2 +(-3)^2) = √(196 +9)

  d = √205

The distance between the two points is √205 ≈ 14.3178 units.

Answer:

∠PQC = 26.25°

Step-by-step explanation:

Finding ∠PQC

Answer:

This calculator is helpful for deciding how many tablets/capsules to dispense and/or how many days the dispensed quantity will last. It will calculate quantity of tablets/capsules needed

Step-by-step explanation:

The weighted-average unit contribution margin is $46.20.

The weighted-average unit contribution margin can be calculated by multiplying the unit contribution margin of each model by its respective sales mix percentage, and then summing up the results.

To find the weighted-average unit contribution margin, we first calculate the unit contribution margin for each model by subtracting the unit variable costs from the selling price:

For Model A12:

Unit contribution margin = Selling price - Unit variable cost

                     = $60 - $42

                     = $18

For Model B22:

Unit contribution margin = Selling price - Unit variable cost

                     = $120 - $84

                     = $36

For Model C124:

Unit contribution margin = Selling price - Unit variable cost

                     = $480 - $360

                     = $120

Next, we multiply each unit contribution margin by its respective sales mix percentage:

Weighted contribution margin for Model A12 = 60% * $18 = $10.80

Weighted contribution margin for Model B22 = 15% * $36 = $5.40

Weighted contribution margin for Model C124 = 25% * $120 = $30.00

Finally, we sum up the weighted contribution margins:

Weighted-average unit contribution margin = $10.80 + $5.40 + $30.00 = $46.20. Therefore, the weighted-average unit contribution margin is $46.20.

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Answer:

A

Step-by-step explanation:

(x^(2)-16)/((x-16)(x+4))=

[(x+4)(x-4)]/(x-16)(x+4)=

x-4/x-16

Answer:

A. \( \dfrac{x - 4}{x - 16} \)

Step-by-step explanation:

\( \dfrac{x^2 - 16}{(x - 16)(x + 4)} = \)

\( = \dfrac{(x - 4)(x + 4)}{(x - 16)(x + 4)} \)

\( = \dfrac{x - 4}{x - 16} \)

I'm not 100%

sure

:))))))))))))))))))))))))

Answer:

24hrs

Step-by-step explanation:

100 devide by 25 x 6

Answer:

cost per plant is 8 dollars

Step-by-step explanation:

48÷6=8

8×6=48

Answer:

Step-by-step explanation:

Cost of six potted plants = $ 48

Cost of one potted plant = 48 ÷ 6

                                         = $ 8

The magnitude of the plane's resultant velocity is approximately 76.26 m/s and the direction of the plane's resultant velocity is approximately 78.69° to due South.

Given information:

Velocity of the plane South = 75 m/s

Velocity of the cross wind West = 14 m/s

Using Pythagoras' Theorem, the magnitude of the plane's resultant velocity is:

v = √(75² + 14²)v = √(5625 + 196) = √5821v ≈ 76.26 m/s

Using trigonometry, the direction of the plane's resultant velocity is:

θ = tan⁻¹(75/14)θ ≈ 78.69°

Therefore, the magnitude of the plane's resultant velocity is approximately 76.26 m/s and the direction of the plane's resultant velocity is approximately 78.69° to due South.

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No, enough information is not given to prove that triangles are congruent using the SSS congruence theorem.

The SSS congruence theorem  expresses that assuming in two triangles, three sides of one are consistent to three sides of the other, then, at that point, the two triangles are said to be congruent.

Now, we are given that triangle ACB and triangle DEB that share a common vertex b. So, both triangles share a common side. So, one side is same for both of triangles.

From the diagram, we can see that both triangles opposite side are equal. So, second side is equal for both of triangles.

Now, from the diagram, we can see that both triangles vertically opposite angles are equal. So, we have two sides equal and one angle is equal.

So, given triangle is proved to congruent by SAS congruency not by SSS congruency.

Hence, enough information is not given.

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The estimated percentage is 35.20%.

Given the data provided, the distribution of the number of children per family in the United States is strongly skewed right. The mean is 2.5 children per family, and the standard deviation is 1.3 children per family.

To calculate the percentage of families in the United States that have three or more children, we can use the normal distribution and standardize the variable.

Let's define the random variable X as the number of children per family in the United States. Based on the given information, X follows a normal distribution with a mean of 2.5 and a standard deviation of 1.3. We can write this as X ~ N(2.5, 1.69).

To find the probability of having three or more children (X ≥ 3), we need to calculate the area under the normal curve for values greater than or equal to 3.

We can standardize X by converting it to a z-score using the formula: z = (X - μ) / σ, where μ is the mean and σ is the standard deviation.

Substituting the values, we have:

z = (3 - 2.5) / 1.3 = 0.38

Now, we need to find the probability P(z ≥ 0.38) using standard normal tables or a calculator.

Looking up the z-value in the standard normal distribution table, we find that P(z ≥ 0.38) is approximately 0.3520.

Therefore, the percentage of families in the United States that have three or more children in the family is 35.20%.

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Answer:

NI and HN

Step-by-step explanation:

They are marked congruent by the small lines in the middle of each segment, indicating marks for congruency.

Answer:

-15

Step-by-step explanation:

a = 3 and b = -6.

- 3a + b

Substitute for a and b

adding negatives is subtracting

-3(3) - 6

Multiply

-9 - 6

add

-15

Answer:

148 books

Step-by-step explanation:

Answer:

148 books all together

Answer:

20%

Step-by-step explanation:

We can start by looking at it as a ratio, so 4 divided by 20 and 4/20 = 0.2, so that would be 20% viewing 1=100%.

Another way is

20 here is 100%, and for 20 to equal 100, we have to multiply it by 5. To balance it out, multiply the top by 5 as well, and 4 * 5 =20. Therefore, 4/20 = 20%