I need help pleaseeeee

The constant term in the given expression \(m-4n+3.5+\dfrac{4}{5}p\) is +3.5.

Given:

The given expression is \(m-4n+3.5+\dfrac{4}{5}p\).

It is required to find the constant from the given expression.

From the given expression, m, n, and p are the variables. And the term multiplied with them are their coefficients.

The variable terms in the given expression are:

\(m, -4n, \dfrac{4}{5}p\)

What is a constant term?

The term in an expression which is not multiplied or divided with any variable is the constant term. The constant term has a fixed value and it doesn't change.

Therefore, the constant term in the given expression \(m-4n+3.5+\dfrac{4}{5}p\) is +3.5.

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Answer:

a) 3/4

b) 3/4

c) 3/4

Explanation:

a) There are 8 equal sections total, and only 6 of them are shaded. If you simplify 6/8 then you get 3/4.

b) There are 12 equal sections total, and only 9 of them are shaded. If you simplify 9/12 then you get 3/4.

c) There are 4 equal sections total, and only 3 of them are shaded. 3/4 is already simplified.

Answer:

a)3/4(originally 6/8)

b)3/4(originally 9/12)

c) 3/4

The solution to the compound inequality is x > -3. The correct option is the third option x > -3

From the question, we are to solve the given compound inequality

2x - 2 > -8 or -4x ≤ -36

Solving the first inequality

2x - 2 > -8

Add 2 to both sides of the inequality

2x -2 + 2 > -8 + 2

2x > -6

Divide both sides by 2

2x/2 > -6/2

x > -3

Solving the second inequality

-4x ≤ -36

Divide both sides of the inequality

-4x/-4 ≤ -36/-4

x ≥ 9

From the two solutions, we can conclude that x > -3

Hence, the solution is x > -3

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We can predict that around 440 people at the reception will have potato chips as their favorite snack.

Bob is in charge of planning a reception for 2200 people. He is trying to decide which to buy. He has asked a random sample of people who are coming to the reception what their favorite snack is. The results of his sample are as follows:

Potato chips: 36Pretzels: 25Cookies: 56Other: 63Based on the above sample, we are to predict the number of people at the reception whose favorite snack will be potato chips, rounded to the nearest whole number.

In order to predict this number, we can use the formula for finding the proportion of successes in a sample, which is:p = x/nwhere p is the proportion of successes, x is the number of successes, and n is the sample size.

In this case, our sample size is the number of people Bob asked about their favorite snack, which is:36 + 25 + 56 + 63 = 180Next, we need to calculate the proportion of people in the sample whose favorite snack is potato chips. From the given data, we see that 36 people in the sample chose potato chips.

Therefore, the proportion of people in the sample whose favorite snack is potato chips is:p = 36/180 = 0.2Now that we have the proportion of people in the sample whose favorite snack is potato chips, we can use this to predict the number of people at the reception whose favorite snack will be potato chips.

To do this, we simply multiply the proportion by the total number of people who will be at the reception:p (predicted) = 0.2 x 2200 = 440

Therefore, we can predict that around 440 people at the reception will have potato chips as their favorite snack.

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Answer:

35x + x = 180

36x = 180

x = 180/36

x = 5

As a result, the arithmetic progression's first term is 22 and its first fifteen terms add up to 735. The AP's initial term is 22 and its first fifteen terms add up to 735.

The total of the first seven terms is seventy-five.

The formulae for the nth term and the sum of an arithmetic progression can be used to solve the issue.

We have the following using the nth term formula:

a + 5d = 37\s(6/2)(2a + 5d) = 147

3a + 15d = 147\sa + 5d = 49

We may find a by substituting d into either equation and finding:

a + 5(-3) = 37\sa = 22

Hence, the first term of the arithmetic progression is 22 and the formula for the total of the first fifteen terms is (15/2)(2a + 14d) = 735.

(15/2)(2(22) + 14(-3)) = 735

If we simplify, we get:

15 terms added together is 735

As a result, the AP's first term is 22 and its first fifteen terms add up to 735.

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Answer:

Step-by-step explanation:

Since it's a right angled triangle we can use trigonometric ratios to find the value of x

To find the value of x we can use either sine or cosine

\( \sin(30) = \frac{5}{x} \\ x \sin(30) = 5 \\ x = \frac{5}{ \sin(30) } \\ x = \frac{5}{0.5} \\ \\ \\ \boxed{x = 10}\)

\( \cos(60) = \frac{5}{x} \\ x \cos(60) = 5 \\ x = \frac{5}{ \cos(60) } \\ x = \frac{5}{0.5} \\ \\ \\ \boxed{x = 10}\)

Hope this helps you

The formula for the nth term of this arithmetic sequence having a first term of 9 and a common difference of -2 is aₙ = -2n + 11.

The formula for the nth term of an arithmetic sequence is:

aₙ = a₁ + (n - 1)d

where:

aₙ is the nth term of the sequence

a₁ is the first term of the sequence

d is the common difference

Plugging in the given values, we get:

aₙ = 9 + (n - 1)(-2)

Simplifying this expression gives:

aₙ = 9 - 2n + 2

aₙ = -2n + 11

Therefore, the formula for the nth term of this arithmetic sequence is:

aₙ = -2n + 11

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The critical values for this test are -2.201 and 2.201. If your test statistic falls outside this range, you would reject the nullSo, the critical values for this test are -2.201 and 2.201. If your test statistic falls outside this range, you would reject the null hypothesis in favor of the alternative hypothesis (H1: μ ≠ μ0). in favor of the alternative hypothesis (H1: μ ≠ μ0).

To determine the critical values for a two-tailed test with a sample size of n = 12 and a significance level of α = 0.05, we need to consult a t-distribution table.

First, we need to find the degrees of freedom, which is equal to n - 1 = 12 - 1 = 11.

Next, we look up the t-value for a two-tailed test with a 0.025 level of significance (0.05/2) and 11 degrees of freedom. From the t-distribution table, we find that the t-value is 2.201.

Therefore, the critical values for a two-tailed test of a population mean at the α = 0.05 level of significance based on a sample size of n = 12 are -2.201 and +2.201.

This means that if our calculated t-value falls outside of this range, we can reject the null hypothesis (H0: μ = μ0) in favor of the alternative hypothesis (H1: μ ≠ μ0) at the 0.05 level of significance.

To determine the critical values for a two-tailed test of a population mean at the α = 0.05 level of significance with a sample size of n = 12, you'll need to use a t-distribution table.

Since it's a two-tailed test, you'll need to find the t-score that corresponds to α/2, which is 0.025 in each tail. With a sample size of 12, you have 11 degrees of freedom (df = n - 1).

Looking up the t-distribution table with df = 11 and α/2 = 0.025, you'll find the critical t-value to be approximately ±2.201.

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The vectors v = 6i - 3j and w = i + 2j are orthogonal.

To determine if the vectors v and w are orthogonal, we need to find their dot product. If the dot product is 0, the vectors are orthogonal.

Here are the steps to find the dot product of v = 6i - 3j and w = i + 2j,

1. Identify the components of the vectors: v = (6, -3) and w = (1, 2)

2. Multiply the corresponding components of the vectors:

\((6 \times 1) + (-3 \times 2) = 6 - 6 \)

3. Add the products: 6 - 6 = 0 Since the dot product is 0, the vectors v = 6i - 3j and w = i + 2j are orthogonal.

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Correct question is " Are these vectors orthogonal? v = 6i - 3j and w = i+2j"

Answer:

A = 216.314

C = 52.124

Step-by-step explanation:

We know the radius so now we need to know the diameter. So multiple the radius by 2.

R = 8.3

D = 16.6

Let's find the area first

A = 3.14×r²

A = 3.14×68.89

A = 216.314

Now find the circumference

A = 3.14×d

A = 3.14×16.6

A = 52.124

The vertex of the graph of f(x) = |x - 5| - 6 is (5, -6). It lies in the fourth quadrant.

Therefore the answer is (5, -6).

The graph f(x) = |x - 5| - 6 is symmetrical about the axis  x = 5.

A vertex of a graph is a node of a graph. For a graph of the form f(x) = a|x - h| + k, the vertex is (h, k). So in this case where f(x) = |x - 5| - 6, a = 1, h = 5 and k = -6. Therefore the vertex of the given graph f(x) is

(5, -6)

--The question is incomplete, answering to the question --

"What is the vertex of the graph of f(x) = |x - 5| - 6?"

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The midsegment theorem indicates that the lengths of the segments are;

What is the midsegment theorem?

The midsegment theorem states that a segment drawn by joining the midpoints of two sides of a triangle is parallel to and half of the length of the third side of the triangle.

Whereby the segment BD is the midsegment of the triangle ACE, we get;

BD = (1/2) × AE

CD = (1/2) × CE (Definition of D the midpoint of CE)

BC = (1/2) × AC (Definition of B the midpoint of AC)

Therefore;

1. CD = (1/2) × CE ; If CD = 19 cm, then (1/2) × CE = CD = 19 cm

A. 19 cm

2. BD = (1/2) × AE; If BD = 21 cm

AE = 2 × BD = 2 × 21 cm = 42 cm

BD+ AE = 21 cm + 42 cm = 63 cm

B. 63 cm

3. BD = (1/2) × AE; If BD = 2·x - 1, AE = x + 4, we get;

2·x - 1 = (1/2) × (x + 4) = x/2 + 2

2·x - 1 = x/2 + 2

2·x - x/2 = 2 + 1 = 3

(3·x/2) = 3

x = 3 × 2/3 = 2

BD = 2 × 2 - 1 = 3

C. 3

4.  BD = (1/2) × AE; If AE = 32 cm, then (1/2) × BD is; (1/2) × (1/2) × 32 = 8

(1/2) BD = 8 cm

D. 8 cm

5. BC = (1/2) × CA; If CA = 56 cm, then BC = (1/2) × 56 cm = 28 cm

(1/2) × BC therefore is; (1/2) × 28 cm = 14 cm

A. 14 cm

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Answer:i think its 3 packages of plates and 2 packages of cups

Step-by-step explanation:

beacause 8 times 3 is 24 and 12 times 2 is 24

Answer:

A

Step-by-step explanation:

I cant find the words to explain. They both meet at 24. 8 x 3 = 24 and 12 x 2 = 24. So 3 packages of 8 and 2 packages of 12.

Answer:

90mph

Step-by-step explanation:

Answer:

90 miles per hour

Step-by-step explanation:

810 / 9

The correct statement is Most of the songs were between 3 minutes and 3.8 minutes long.

Based on the given information from the graph, we can determine the following:

The graph shows an upward trend from 2.8 to 3.4 on the horizontal axis.

Then, there is a downward trend from 3.4 to 4 on the horizontal axis.

From this, we can conclude that most of the songs played during the one-hour interval were between 3 minutes and 3.8 minutes long. This is because the upward trend indicates an increase in length from 2.8 to 3.4, and the subsequent downward trend suggests a decrease in length from 3.4 to 4.

Therefore, the correct statement is:

Most of the songs were between 3 minutes and 3.8 minutes long.

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Answer:

A

Step-by-step explanation:

a) the calculated t-value (2.344) is greater than the critical t-value (1.984), we reject the null hypothesis. b) The p-value associated with a t-value of 2.344 is approximately 0.010 (two-tailed test).

(a) To determine if the differences in average yearly reading growth between Program A and Program B are significant at a 5% level, we can conduct a two-sample t-test.

Let's define our null hypothesis (H0) as "there is no significant difference in average yearly reading growth between Program A and Program B" and the alternative hypothesis (H1) as "Program A leads to higher average yearly reading growth than Program B."

We have the following information:

For Program A:

Sample size (na) = 64

Sample mean (xA) = 1.2

Sample standard deviation (sA) = 0.26

For Program B:

Sample size (nb) = 100

Sample mean (xB) = 1.0

Sample standard deviation (sB) = 0.28

To calculate the test statistic, we use the formula:

t = (xA - xB) / sqrt((sA^2 / na) + (sB^2 / nb))

Substituting the values, we have:

t = (1.2 - 1.0) / sqrt((0.26^2 / 64) + (0.28^2 / 100))

t ≈ 2.344

Next, we determine the critical t-value corresponding to a 5% significance level and degrees of freedom (df) equal to the smaller sample size minus 1 (df = min(na-1, nb-1)). Using a t-table or statistical software, we find the critical t-value for a two-tailed test to be approximately ±1.984.

(b) To calculate the p-value, we compare the calculated t-value to the t-distribution. The p-value is the probability of observing a t-value as extreme as the one calculated, assuming the null hypothesis is true.

From the t-distribution with df = min(na-1, nb-1), we find the probability corresponding to a t-value of 2.344. This probability corresponds to the p-value.

(c) Based on the results of the hypothesis test, where we rejected the null hypothesis, we can conclude that there is evidence to suggest that Program A leads to higher average yearly reading growth compared to Program B.

(d) To calculate the probability of a Type II error (β), we need additional information such as the significance level (α) and the effect size. The effect size is defined as the difference in means divided by the standard deviation. In this case, the effect size is (xA - xB) / sqrt((sA^2 + sB^2) / 2).

Let's assume α = 0.05 and the effect size (xA - xB) / sqrt((sA^2 + sB^2) / 2) = 0.1. Using statistical software or a power calculator, we can calculate the probability of a Type II error (β) given these values.

Without the specific values of α and the effect size, we cannot provide an exact calculation for the probability of a Type II error. However, by increasing the sample size, we can generally reduce the probability of a Type II error.

In summary, the differences in average yearly reading growth between Program A and Program B are significant at a 5% level, suggesting that Program A leads to higher average yearly reading growth. The p-value of the test results is approximately 0.010. Based on these findings, it may be recommended to adopt Program A over Program B. The probability of a Type II error (β) cannot be calculated without specific values of α and the effect size.

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The 90% confidence, 95% confidence and 99% confidence have a z critical value of 1.65, 1.96 and 2.58 respectively.

The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

z = (raw score - mean) / standard deviation

From the normal distribution table:

The z critical value for 90% confidence, 95% confidence and 99% confidence is 1.65, 1.96 and 2.58 respectively.

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Answer:

90% confidence:

1.645

95% confidence:

1.960

99% confidence:

2.576

Step-by-step explanation:

EDGE2022

The equation y = 3/4x describes the relationship

From the question, we have the following parameters that can be used in our computation:

The graph

The graph is a linear graph, and we have the following points on the graph

(x, y) = (0, 0) and (4, 3)

Because the line passes through the origin i.e. (0, 0), the equation that describes the relationship is then represented as

y = Y/X * x

Where

(X, Y) = (4, 3)

So, we have

y = 3/4x

Hence, the equation is y = 3/4x

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I suppose * is supposed to denote a binary operation with the given definition,

a * b = (a - b)²

as opposed to multiplication, so that, for instance, 1 * 1 = (1 - 1)² = 0.

Using the definition of *, you have

2 * 5 = (2 - 5)² = (-3)² = 9

The smallest value of the level of significance for which each explanatory variable is significant individually is 0.001, which is option B.

In multiple regression analysis, the significance of each explanatory variable is determined by its p-value. The p-value for each variable tells us whether that variable is statistically significant or not. A p-value less than the level of significance (alpha) indicates that the variable is statistically significant. In this problem, the p-value for Income is 0.0000, which is less than any of the given options for alpha, indicating that Income is significant. Similarly, the p-value for Size is 0.0020, which is less than 0.010 but greater than 0.001, indicating that Size is also significant. Therefore, the smallest value of alpha for which both variables are individually significant is 0.001, which is option B.

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Answer:11/57

Step-by-step explanation:

The amount of material needed = the surface area of the cylindrical can which is approximately calculated as: 332 square centimeters.

The material used = surface area of cylindrical can = 2πr(h + r).

Given the dimensions of the cylindrical can, we have:

radius (r) = 7/2 = 3.5 cm

height of cylindrical can (h) = 11.6 cm

π = 3.14

Amount of tin used = surface area = 2 * 3.14 * 3.5 * (11.6 + 3.5)

≈ 332 square centimeters

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Answer:

We have the proportion: 8/10 = 100/y

We can solve for y by cross-multiplying.

That is, 8y = 100 * 10 Simplifying the right-hand side, 8y = 1000

Dividing both sides by 8 to solve for y, y = 125

Hence, the value of y is 125.

Finally, we have the expression: y = √80We can simplify this expression by factoring 80 into its prime factors:80 = 2 * 2 * 2 * 2 * 5

Taking the square root of 2 * 2 * 2 * 2, we have:√(2 * 2 * 2 * 2) = 2 * 2 = 4

Therefore, y = 4√5The value of y is 4√5.

Step-by-step explanation:

Hope this helps!! Have a good day/night!!

Answer:

Here is how to write and graph an inequality for the budget problem:

Let x be the number of large boxes and y be the number of small boxes. The total cost of the boxes must be less than or equal to the budget of $500. So, we can write the inequality as:

65x + 35y ≤ 500

To graph this inequality, we need to find the boundary line and the shaded region. The boundary line is the equation that we get when we replace the inequality sign with an equal sign, which is:

65x + 35y = 500

To graph this line, we need to find two points on it. We can do this by plugging in some values for x or y and solving for the other variable. For example, if x = 0, then y = 500/35 = 14.29. If y = 0, then x = 500/65 = 7.69. So, two points on the line are (0, 14.29) and (7.69, 0). We can plot these points on a coordinate plane and draw a solid line through them, since the inequality includes the equal sign.

To find the shaded region, we need to test a point that is not on the line and see if it satisfies the inequality. For example, we can test the point (0, 0), which is the origin. Plugging in x = 0 and y = 0 into the inequality, we get:

65(0) + 35(0) ≤ 500

0 ≤ 500

This is true, so the point (0, 0) is a solution to the inequality. This means that the shaded region is the area that includes the point (0, 0) and is below the line.

If Renaldo buys 6 small gift boxes, then y = 6. To find how many large gift boxes he can afford, we need to plug in y = 6 into the inequality and solve for x. We get:

65x + 35(6) ≤ 500

65x + 210 ≤ 500

65x ≤ 290

x ≤ 290/65

x ≤ 4.46

This means that Renaldo can buy at most 4 large gift boxes if he buys 6 small gift boxes. However, since x has to be a whole number, the largest possible value for x is 4. So, Renaldo can buy 4 large gift boxes and 6 small gift boxes and still stay within his budget.

I hope this helps!

Step-by-step explanation:

Answer: i think its A

Step-by-step explanation: hope this helped

Answer:

-5

Step-by-step explanation: