(c) Provide the IUPAC formula of the following complexes. (i) Pentaamminethiocyanatochromium(III) tetrachlorozincate(II) (ii) Potassium pentachloro(phenyl)antimonate(V) (iii) mer-triamminetrichlorocobalt(III)

Answer:2x>3

Step-by-step explanation:

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There are nC2 different votes possible, where n is the number of bands on the list and nC2 represents the number of ways to choose 2 bands out of n.

To calculate nC2, we can use the formula for combinations, which is given by n! / (2! * (n-2)!), where ! represents factorial.

Let's say there are m bands on the list. The number of ways to choose 2 bands out of m can be calculated as m! / (2! * (m-2)!). Simplifying this expression further, we get m * (m-1) / 2.

Therefore, the number of different votes possible is m * (m-1) / 2.

In the given scenario, we don't have the specific number of bands on the list, so we cannot provide an exact number of different votes. However, you can calculate it by substituting the appropriate value of m into the formula m * (m-1) / 2.

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Average, the students improved by 4.2 points out of 20. This suggests that the new unit on factoring was effective in helping the students learn.

To determine whether there has been improvement in the students' performance after the new unit on factoring, we need to compare the students' scores on the pre-test and the post-test. Here are the scores of the five randomly selected students:

Student Pre-Test Score Post-Test Score

1 12 18

2 14 17

3 9 14

4 16 19

5 11 15

To determine whether there has been improvement, we can calculate the difference between each student's pre-test score and post-test score. We can then find the average improvement across all five students.

Student Pre-Test Score Post-Test Score Improvement

1 12 18 6

2 14 17 3

3 9 14 5

4 16 19 3

5 11 15 4

The total improvement across all five students is:

6 + 3 + 5 + 3 + 4 = 21

The average improvement across all five students is:

21 / 5 = 4.2

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Answer:

348 ÷ 3 = 116

63 × 27 = 1,701

Step-by-step explanation:

The work is in the file attached. Used long division, and long multiplication.

Answer:

If I remember correctly, this would be correct. 2/20, 3/20, 8/20, 0/20, 7/20. If it needs to be in decimal form, just divide the first number by the second. Hope this helps:)

Step-by-step explanation:

The population mean running time is less than 24 miles per week at the 10% level of significance.

To test the claim that the population mean running time is less than 24 miles per week,

Perform a one-sample t-test.

Let's denote the population mean running time as μ.

The null hypothesis (H₀) is that μ = 24,

and the alternative hypothesis (Hₐ) is that μ < 24 (claim).

The sample of running times are 22, 18, 22, and 22 miles per week,

Calculate the sample mean (X) and the sample standard deviation (s).

Sample mean (X)

= (22 + 18 + 22 + 22) / 4

= 21

Sample standard deviation (s)

= √[( (22-21)²+ (18-21)² + (22-21)² + (22-21)² ) / (4-1)]

= √[5/3]

≈ 1.29

To perform the t-test, calculate the t-value and compare it with the critical t-value at the 10% level of significance.

t-value = (X - μ) / (s / √n)

⇒t-value = (21 - 24) / (1.29 / √4)

⇒t-value = -3 / (1.29 / 2)

⇒t-value ≈ -4.65

Next, determine the critical t-value at the 10% level of significance with (n - 1) degrees of freedom.

Since we have 4 samples, the degrees of freedom is 3.

Using a t-distribution calculator,

The critical t-value at the 10% level of significance for a one-tailed test with 3 degrees of freedom is approximately -1.638.

Since the calculated t-value (-4.65) is less than the critical t-value (-1.638),

Reject the null hypothesis (H₀)

and conclude that there is sufficient evidence to support the claim ,

Therefore, based on provided sample data evidence to suggest that runners in population mean tend to run fewer than 24 miles per week on average.

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The value of the given expression (7m - 2m²n)² = 34,596 at m = -6 and n = 2.

An expression consists of variables, constants, and operators. Based on the number of terms in an expression, they are named linear, binomial, and so on.

The given expression is (7m - 2m²n)²

It is given that m = -6 and n = 2

To evaluate the given expression, the given values are substituted in it.

On substituting these values,

(7m - 2m²n)² = (7(-6) - 2(-6)²(2))²

⇒ (-42 - 4(36))²

⇒ (-42 - 144)²

⇒ (-186)²

∴ (7m - 2m²n)² = 34,596

Therefore, the required value of the given expression is 34,596.

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Answer:

The Answer would be C, i think

Step-by-step explanation:

Answer:

A) the set of integers is commutative under operation '-'

The commutative property holds for Addition and Multiplication, but not for subtraction and division.

So, option (D) is correct.

The commutative property states that the numbers on which we operate can be moved or swapped from their position without making any difference to the answer.

The commutative property holds for Addition and Multiplication,

Example,   \(2+4=4+2\)

                  \(3*2=2*3\)

The commutative property does not  holds for subtraction and division.

Example,       \(3-2\neq 2-3\)

                    \(4/2\neq 2/4\)

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The two integers are 11 and 17. 11 is the smaller integer and 17 is the larger integer. The reciprocal of 11 is 1/11 and the reciprocal of 17 is 1/17. 10 times the reciprocal of 17 is 10/17, and subtracting the reciprocal of 11 (1/11) from 10/17 results in 37.

1. The problem states that the smaller integer is 6 less than the larger integer, meaning that 17 is 6 more than 11.

2. The reciprocal of 11 is 1/11 and the reciprocal of 17 is 1/17.

3. 10 times the reciprocal of 17 is 10/17, and subtracting the reciprocal of 11 (1/11) from 10/17 results in 37.

4. We can set up two equations: 1/11 + 10/17 = 37 and 11 + 17 = x.

5. We can solve for x by multiplying both sides of the second equation by 17, giving us 187 = x.

6. We can now substitute this result into the first equation, giving us 1/11 + 10/17 = 187.

7. We can then solve for 11, giving us 11 = 176/17.

8. We can then solve for 17, giving us 17 = 11.

9. We can now see that 11 and 17 are the two integers that satisfy the problem.

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Answer:

SA= 113.3

Step-by-step explanation:

You would add all sides given to you to find the surface area.

Answer:

ce smart home

Step-by-step explanation:

it says it righ tthere

Answer:

the brand?? it says it right there if I'm not wrong lol "ce smart home"

Answer: d

Step-by-step explanation:

Answer:

  x ≈ 0.499

Step-by-step explanation:

The value of x can be found by undoing the operations done to it.

The operations done to the variable are ...

We undo these operations in reverse order:

  7e^(2x) + 10 = 29 . . . . given

  7e^(2x) = 19 . . . . . . . . . subtract 10

  e^(2x) = 19/7 . . . . . . . . . divide by 7

  2x = ln(19/7) . . . . . . . . take the natural logarithm

  x = (ln(19/7))/2 . . . . . . divide by 2

The rounded result is ...

  x ≈ 0.499

Answer:

2x X 6 = 11x - 7/6

12x = 11x - 7/6

12x - 11x = -7/6

x = - 7/6

Step-by-step explanation:

let the unknown be x

twice of the number is 2x multipled by 6

2x(6) equating to eleven times the number 11x minus 7/6

gives an equation as in step 1

multiply 6 by 2x to give a more simple equation

collect like terms so you have an equation as in step 3

simplify to get your final answer

Answer:

34

Step-by-step explanation:

f(-3) = - (-3)³ + 2 × (-3)² - 11

= - (-27) + (2× 9) - 11

= 27 + 18 - 11

= 34

Answer:

\(\text{f}(-3)=34\)

Step-by-step explanation:

Given cubic function:

\(\text{f}(x)=-x^3+2x^2-11\)

To find f(-3) substitute x = -3 into the given function:

\(\begin{aligned}\implies \text{f}(-3) & =-(-3)^3+2(-3)^2-11\\& =-(-3 \cdot -3 \cdot -3)+2(-3 \cdot -3)-11\\& = -(-27)+2(9)-11\\& = 27+18-11\\& = 45-11\\& = 34\end{aligned}\)

To find the cost of n pencils, multiply the number of pencils by $0.34.

To determine the factor needed to find the cost of n pencils based on the given information, we need to first find the cost per pencil.

1. The pack of 12 pencils costs $4.08. To find the cost per pencil, we need to divide the total cost by the number of pencils.
2. Cost per pencil = Total cost / Number of pencils = $4.08 / 12 = $0.34 per pencil.
3. Now, we want to find the factor to determine the cost of n pencils.
4. Since the cost of one pencil is $0.34, the factor to find the cost of n pencils is simply multiplying the cost per pencil ($0.34) by the number of pencils (n).

The factor needed to determine the cost of n pencils in dollars and cents is 0.34, as the cost of n pencils can be calculated by multiplying 0.34 by n (Cost of n pencils = $0.34 * n).

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Answer:

47.25ft

Step-by-step explanation:

(9*4.5)+(1/2*3*4.5)

40.5+6.75

47.25ft

b. 47.25 ft^2

You can find the area of the figure separately like( Area of the rectangle + Area of the triangle ) .

So the base of the triangle can be found :12ft -9ft = 3ft

Area of the triangle = 1/2 × 3 × 4.5 = 6.75 ft^2

Area of the rectangle = 9 × 4.5 = 40.5 ft^2

Then add the area to get the area of the whole figure : 6.75 +40.5 = 47.25 ft^2

The equation of the path of the parabola is y = a(x - 13)² + 27

Given data ,

To represent the path of Al's toss, we can assume that the path is a parabolic trajectory.

The equation of a parabola in vertex form is given by:

y = a(x - h)² + k

where (h, k) represents the vertex of the parabola

Now , the balloon was released from the 10-yard line and landed at the 16-yard line, we can determine the x-values for the vertex of the parabola.

The x-coordinate of the vertex is the average of the two x-values (10 and 16) where the balloon was released and landed:

h = (10 + 16) / 2 = 13

Since the height of the balloon reached 27 yards, we have the vertex point (13, 27)

Now, let's substitute the vertex coordinates (h, k) into the general equation:

y = a(x - 13)² + k

Substituting the vertex coordinates (13, 27)

y = a(x - 13)² + 27

To determine the value of 'a', we need another point on the parabolic path. Let's assume that the highest point reached by the balloon is the vertex (13, 27).

This means that the highest point (13, 27) lies on the parabola

Substituting the vertex coordinates (13, 27) into the equation

27 = a(13 - 13)² + 27

27 = a(0) + 27

27 = 27

Hence , the equation representing the path of Al's toss is y = a(x - 13)² + 27, where 'a' can be any real number

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Answer:

It will take Kyle 10 months to have at least as much money as John. At 10 months both will have 600$

Step-by-step explanation:

John has $200 in his bank account. He saves $40 of his allowance each month. Therefore:

John = 40n+200

Where n is the number of months.

Kyle has $100 in his bank account but he is saving $50 each month.  Therefore:

Kyle = 50n+100

To see how much until they are equal or in other words, does Kyle have at least as much money as John has, we make equations equal.

40n+200=50n+100

200=10n+100

100=10n

10=n

Thus, we see that it will take 10 months for Kyle to have at least as much money as John has. We can quickly test this:

John:

John = 40n+200

John = 40(10)+200

John = 600$

Kyle:

Kyle = 50n+100

Kyle = 50(10)+100

Kyle = 600$

Thus, we see that it will take 10 months for Kyle to have at least as much money as John has.

The peaks at m/z 43, 57, and 85 in the mass spectrum of 2,4-dimethylpentane can be attributed to the fragments resulting from different fragmentation pathways, including the loss of a methyl group, an ethyl group, and the cleavage of the C-C bond between the two methyl groups.

The mass spectrum of 2,4-dimethylpentane shows peaks at m/z 43, 57, and 85. These peaks correspond to the fragments resulting from the fragmentation of the molecule. Let's examine the possible fragmentations that give rise to these peaks:

1. Fragment at m/z 43:

The peak at m/z 43 suggests the presence of a small fragment in the mass spectrum. One possible fragmentation pathway could involve the loss of a methyl group (CH3) from the parent molecule. This would result in a fragment with a molecular weight of 43, corresponding to a methyl radical (•CH3).

2. Fragment at m/z 57:

The peak at m/z 57 indicates the presence of another fragment in the mass spectrum. One possible fragmentation pathway could involve the loss of an ethyl group (C2H5) from the parent molecule. This would result in a fragment with a molecular weight of 57, corresponding to an ethyl radical (•C2H5).

3. Fragment at m/z 85:

The peak at m/z 85 suggests the presence of a larger fragment in the mass spectrum. One possible fragmentation pathway could involve the cleavage of the C-C bond between the two methyl groups in the parent molecule. This would result in a fragment with a molecular weight of 85, corresponding to a butyl radical (•C4H9).

It's important to note that these fragmentations are just examples and there could be other possible fragmentations contributing to the mass spectrum. The specific fragmentation pathways can vary depending on the instrument and conditions used for the mass spectrometry analysis.

In summary, the peaks at m/z 43, 57, and 85 in the mass spectrum of 2,4-dimethylpentane can be attributed to the fragments resulting from different fragmentation pathways, including the loss of a methyl group, an ethyl group, and the cleavage of the C-C bond between the two methyl groups.

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The probability  is 0.0808 or 8.08%

To answer this question, we need to use the normal distribution formula:

Z = (X - μ) / σ

where:

Z = the standard score or z-score

X = the value we want to find the probability for (in this case, X = 173)

μ = the mean (μ = 180)

σ = the standard deviation (σ = 5)

Substituting the values, we get:

Z = (173 - 180) / 5 = -1.4

Using a calculator or a standard normal distribution table, we can now determine the likelihood of getting a value below -1.4.

We can determine the probability that corresponds to a z-score of -1.4 by using a standard normal distribution table, which is approximately 0.0808.

Therefore, the probability of getting less than 173 calls during a given hour of the day is 0.0808 or 8.08% (rounded to the nearest thousandth).

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⟹ Numbers that are less than zero are known as negative numbers (or integers). They fall on the left side of the number line.

⟹ Numbers that are greater than zero are known as positive numbers (or positive integers). They fall on the right side of the number line.

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Answer:

Is there a picture i could go by to answer your question or is this is?

Answer:

20/27

Step-by-step explanation:

The Surface area of the rectangular prism is 1232 square inches

To find the surface area of a rectangular prism, we need to find the areas of all six faces and add them together.

The two faces that have dimensions of 14 inches by 16 inches have a combined area of 2(14 in)(16 in) = 448 square inches.

The other four faces are all rectangles with dimensions of 14 inches by 14 inches, giving us a total area of 4(14 in)(14 in) = 784 square inches.

Therefore, the surface area of the rectangular prism is:

448 + 784 = 1232 square inches.

So the surface area of the rectangular prism is 1232 square inches.

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Answer:

The choice B.

\({2}^{ - 1} \)

Step-by-step explanation:

\({2}^{2} \times \frac{2}{ {2}^{4} } = \frac{2}{ {2}^{2} } = \frac{1}{2} = {2}^{ - 1} \)

I hope I helped you^_^