Someone help and please make sure it’s right

Answer:

No... El 2 porsiento del 2 porsiento del 2 porsiento de 100 es 0.0008.

Step-by-step explanation:

100 * 2% = 100 * 0.02 = 2

2 * 2% = 2 * 0.02 = 0.04

0.04 * 2% = 0.04 * 0.02 = 0.0008

A = w × (w + 2) is the simplified algebraic expression for the area of the rectangle in terms of its width (w).

Let's denote the width of the rectangle as 'w'. According to the given information, the length of the rectangle is two more units than its width, so the length can be represented as 'w + 2'.

The formula for the area of a rectangle is given by multiplying its length and width. Therefore, the area of the rectangle (A) can be expressed as:

A = width × length

Substituting the values for width (w) and length (w + 2), the algebraic expression for the area of the rectangle becomes:

A = w × (w + 2)

This is the simplified algebraic expression for the area of the rectangle in terms of its width (w).

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Answer:

-2 and -8

Step-by-step explanation:

-2 + (-8) = -10

-2 * -8 = 16

The expression that represents the value of Nandy's investment after 8 years is A = 1000 (1 + 3.5(8)).

So, the expression that can represent the above situation is:

The total money Nadya deposited is $1000.

Interest is 3.15%.

Total years are 8.

Simple interest formula: A = P (1 + rt)

Where a is the final amount, p is the principal amount, r is the interest return and t is the time in years.

Then, we have:

A = 1000 (1 + 3.5(8))

A = 1000(29)

A = 29,000

Therefore, the expression that represents the value of Nandy's investment after 8 years is A = 1000 (1 + 3.5(8)).

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The probability of getting three heads when tossing three coins is 1/2 x 1/2 x 1/2 = 1/8.

1/8

The probability of getting a head or a tail when flipping a coin is 1/2.  

Therefore, the probability of getting two heads when tossing two coins is 1/2 x 1/2 = 1/4.

The probability of getting three heads when tossing three coins is 1/2 x 1/2 x 1/2 = 1/8.

Since each person is tossing three coins, the probability that they both obtain the same number of heads is 1/8.

The probability of getting n heads when tossing n coins is 1/2^n. Therefore, the probability of getting the same number of heads when two people toss n coins is 1/2^n. This means that if two people each toss a coin, the probability that they both get heads is 1/4; if they each toss two coins, the probability that they both get two heads is 1/16; if they each toss three coins, the probability that they both get three heads is 1/64; and so on.

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Answer:

n² / (n³ + 5)

Answer:

Step-by-step explanation:

To find the equation of the line given a point and the gradient, the formula to use is

y - y1 = m(x - x1)

where

m is the gradient and

( x1 , y1) is the point

From the question

The point is (0 , 2)

The gradient is 3

Substitute the values into the above formula

That's

y - 2 = 3( x - 0)

y - 2 = 3x

The final answer is

Hope this helps you

A few properties of a parallelogram.

1) Opposite sides are always equal.

2) Opposite angles are always equal.

3) The sum of all the angles is 360.

In part 2, we are given the angles. Therefore, we can apply the 2nd property.

11x = 55

5y = z (lets say the unknown is z).

Now, 11x = 55

x = 55/11

x = 5

Now, we have to angles of 55 degrees but we don't know about y and z. Therefore, we have to apply the third property.

55 + 55 + 5y + z = 360

110 + 5y + z = 360

5y + z = 360 -110

5y + z = 250. (i)

According to property 2, 5y = z. Hence, put the value of 5y in the equation (i), we get

5y + z = 250

z + z = 250

2z = 250

z = 250/2

z = 125

From the value of z, we can find the value of y using z = 5y

125 = 5y

5y = 125

y = 125/5

y = 25

Hence, x = 5 and y = 25

Answer:

-------------------------

Each coordinate of the midpoint is the average of endpoints:

Therefore M is (13, 14).

Answer: 79 kilograms is equal to 173.776 pounds.

Step-by-step explanation:

To convert kilograms to pounds, you can multiply the number of kilograms by 2.20462.

So, to convert 79 kilograms to pounds:

79 kg * 2.20462 = 173.776 lbs

Therefore, 79 kilograms is equal to 173.776 pounds.

Answer:

36,864

Step-by-step explantion:

Answer:

(a) 1.5 hours

(b) They both charge $62.50

Step-by-step explanation:

The given linear equations are:

\(25h + 25 = c\) ---- Cool Ar Plus

\(15h + 40 = c\) --- Cool Breeze Ar

Solving (a): The time they charge the same amount.

To do this, we equate both equations

\(25h + 25 = 15h + 40\)

Collect like terms

\(25h - 15h = 40 - 25\)

\(10h = 15\)

Divide both sides by 10

\(h = 1.5\)

This implies that they charge the same at 1.5 hour

Solving (b): The same amount they charge

To do this, we substitute 1.5 for h in any of the given equations

\(25h + 25 = c\)

\(25 * 1.5 + 25 = c\)

\(62.5 = c\)

\(c=62.5\)

This implies that they charge $62.50

Answer:

Xylem- carries water, Pollen- develops into sperm cells, Seed- contains a plant embryo, Phloem- carries food.

Step-by-step explanation:

Took quiz and got it correct.

c) The probability that a sample size of 36 has a sample mean of less than 19 is of: 0.0228 = 2.28%.

d) It would be unusual for a random sample of size 36 from the x distribution to have a sample mean less than 19, as the z-score has an absolute value of 2.

The z-score of a measure X of a variable that has mean symbolized by \(\mu\) and standard deviation symbolized by \(\sigma\) is obtained by the rule presented as follows:

\(Z = \frac{X - \mu}{\sigma}\)

The parameters of this problem are given as follows:

\(\mu = 20, \sigma = 3, n = 36, s = \frac{3}{\sqrt{36}} = 0.5\)

The probability that a sample size of 36 has a sample mean of less than 19 is the p-value of Z when X = 19, hence:

\(Z = \frac{X - \mu}{\sigma}\)

By the Central Limit Theorem

\(Z = \frac{X - \mu}{s}\)

Z = (19 - 20)/0.5

Z = -2

Z = -2 has a p-value of 0.0228.

Suppose x has a distribution with a mean of 20 and a standard deviation of 3. Random samples of size n=36 are drawn.

C. Find P(x<19) (answer should be: 0.0228)

D. Would it be unusual for a random sample of size 36 from the x distribution to have a sample mean less than 19? Explain. (answer should be: Yes, only about 2.3% of all such samples have means less than 19)

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The value of product of the expression is,

⇒ 49y² + 735

We have to given that;

Expression is,

⇒ - 7² (- 2⁴ + y² - 1)

Now, We can simplify as;

⇒ - 7² (- 2⁴ + y² - 1)

⇒ 49 (16 + y² - 1)

⇒ 49 (y² + 15)

⇒ 49y² + 735

Thus, The value of product of the expression is,

⇒ 49y² + 735

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Answer:

sor

Step-by-step explanation:

Anything that strengthens a response or increases the probability that it will occur is called a "reinforcer". A reinforcer can be anything that the individual finds rewarding or motivating, such as praise, a high five, a tangible reward, or a positive experience.

The use of reinforcers is a common technique in behavior modification and is often used in educational and therapeutic settings. By identifying and providing reinforcers for desired behaviors, individuals can be motivated to continue those behaviors, which in turn increases the probability of success. Reinforcement can also be used to shape new behaviors, by gradually reinforcing steps towards the desired behavior until the full behavior is achieved. In summary, reinforcement is a powerful tool for increasing the probability of desired behaviors and can be used in a variety of settings to improve outcomes.

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Using conditional probability, there is a 0.2778 = 27.78% probability that someone who ordered item #345A also ordered item #345B. ​

Conditional probability is the probability of one event happening, considering a previous event. The formula is:

\(P(B|A) = \frac{P(A \cap B)}{P(A)}\)

In which:

For this problem, the events are:

The parameters are given by:

\(P(A) = 0.18, P(A \cap B) = 0.05\)

Hence the conditional probability is:

P(B|A) = 0.05/0.18 = 0.2778.

0.2778 = 27.78% probability that someone who ordered item #345A also ordered item #345B. ​

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Answer:

x^2 - 4x - 8

Step-by-step explanation:

see image.

combine like terms.

Answer:

Okay, I think you mean't 4x-9=6x+12.

Step-by-step explanation:

x=-7

D. 62% of women in the sample are the primary investor in their household.Inference: Women in the United States are likely to be the primary investors in their households.

The answer to this question is D. 62% of women in the sample are the primary investor in their household. This is an example of the descriptive branch of statistics because it summarizes the data collected in the survey. The inference based on the results of the survey is that women in the United States are likely to be the primary investors in their households.

62% of women in the sample are the primary investor in their household.

Inference: Women in the United States are likely to be the primary investors in their households.

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Answer: The probability that a person who could give up her cell phone could also give up television is 0.7 or 70%.

Probability is an essential branch of mathematics that helps individuals analyze the likelihood of events occurring. The probability of events is estimated using theoretical or experimental probability. The experimental probability of an event is based on actual outcomes or trials, while theoretical probability is based on a mathematical model. Additionally, a person is someone who is a biological entity capable of making decisions and responding to external stimuli. Hence, the probability that a person who could give up her cell phone could also give up television is estimated below.Suppose 70% of individuals who give up their cell phones can also give up their televisions. The probability that a person who could give up her cell phone could also give up television is estimated as follows:P(Give up television | Give up cell phone)

= P(Give up television and Give up cell phone) / P(Give up cell phone)

= 70% / 100%

= 0.7

The probability that a person who could give up her cell phone could also give up television is 0.7 or 70%. Thus, the chances of someone giving up their cell phone and television is 70%. Answer: The probability that a person who could give up her cell phone could also give up television is 0.7 or 70%.

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The result of the boolean expression is false

The values are given as

x = 5, y = 3, and z= 8

The expression is given as

not (x < y or z > x) and y < z

Substitute the given values

So, we have:

not (5 < 3 or 8 > 5) and 3 < 8

5 is less than 3 and 8 is greater than 5.

So, we have:

not (True) and 3 < 8

3 is less than 8

So, we have:

not (True) and true

Not true means false.

So, we have

false and true

This gives false

Hence, the result of the boolean expression is false

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Answer:

The number is 20

Step-by-step explanation:

First we have n, then n/2, then 4n/2, which equals 40. Thus, we have 2n=40, or n=20 which is the number.

Answer:

20

Step-by-step explanation:

His answer was incorrect because he placed the decimal in the wrong location.

He multiplied 6.19 by 7.3 and he got 451.87.

To multiply, simply means to find the products.

Therefore, let's find the product of 6.19 and 7.3 as follows:

6.19 × 7.3  = 45.187

Therefore, the product of 6.19 and 7.3 is 45.187.

He got 451.87 which made his answer incorrect.

His answer was incorrect because he placed the decimal in the wrong location(after 1 instead of before 1)

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The pieces of cloth are beyond the standard at 0.05 level of significance.

We can use a one-sample t-test to determine if the mean length of the 35 pieces of cloth is significantly different from the standard length of 3.25 meters.

The null hypothesis is that the mean length of the cloth pieces is equal to the standard length:

H0: μ = 3.25

The alternative hypothesis is that the mean length of the cloth pieces is greater than the standard length:

Ha: μ > 3.25

We can calculate the test statistic as:

t = (x - μ) / (s / √n)

where x is the sample mean length, μ is the population mean length (3.25 meters), s is the sample standard deviation (0.52 meters), and n is the sample size (35).

Plugging in the values, we get:

t = (3.52 - 3.25) / (0.52 / √35) = 3.81

Using a t-table with 34 degrees of freedom (n-1), and a significance level of 0.05 (one-tailed test), the critical t-value is 1.690.

Since our calculated t-value (3.81) is greater than the critical t-value (1.690), we reject the null hypothesis and conclude that the mean length of the 35 pieces of cloth is significantly greater than the standard length at the 0.05 level of significance.

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Answer:

12+15

Step-by-step explanation:

You distribute the 3 to the 4 and 5

Answer:

27

Step-by-step explanation:

3(4+5) = 12+15

add those together you get 27

Answer:

b ≈ 25.7, C ≈ 24.2, A ≈ 119.8

Step-by-step explanation:

b² = a² + c² - 2ac·cos(B)

b² = 38² + 18² -2·38·18·cos(36°) ≈ 661.26475

b ≈ 25.715

sin(C)/c = sin(B)/b

C = arcsin(c/b·sin(B)) ≈ 24.29515°

∠A can be found as 180° - ∠B - ∠C

A = arcsin(a/b·sin(B)) ≈ 119.70485°