What is the quotient of 223 + 3x2 + 5x – 4 divided by 22 +2+1?



Pls I need help

(B)

is my answer..........

Answer:

I think b is correct answer

Step-by-step explanation:

is correct answer

Answer:

y=24

Step-by-step explanation:

Straight line = 180°

collect like terms.

7y+12=180°

-12. - 12

7y=168°

÷7. ÷7

y=24

Answer:

y is equal to 24

Step-by-step explanation:

above picture

Answer:

(w⁴)⁵

=w⁴*⁵

Answer=w²⁰

Answer:

-1.15 or -1.2

Step-by-step explanation:

\(\frac{1}{9} x= 14x +16\\\frac{1}{9} x-14x=16\\-\frac{125}{9} x=16\\x=-1.152\)

Answer:

1,000,000,000,000,001,111,111

The solution to the linear equation is determined as 5.

The equation to solve is:

3x - 8 = 7

To solve for x, you can follow these steps:

Step 1: Add 8 to both sides of the equation to isolate the term with x on one side:

3x - 8 + 8 = 7 + 8 (combine constants here)

This simplifies to:

3x = 15

Step 2: Divide both sides of the equation by 3 to solve for x:

3x/3 = 15/3

This simplifies to:

x = 5

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(c) Two assumptions necessary for the validity of the ANOVA are:

1. Independence: The observations within each group and between groups should be independent of each other. This means that the value of one observation should not be influenced by or related to the value of another observation.

2. Homogeneity of variances: The variances within each group should be roughly equal. This assumption, also known as homoscedasticity, ensures that the variability in the dependent variable is similar across all groups.

(d) The company uses leaflets of four different designs to promote its printers. To assess the impact of leaflet design on sales, an ANOVA is performed. The null hypothesis states that the mean sales are equal across all leaflet designs, while the alternative hypothesis suggests at least one mean is different.

By comparing the computed F-statistic with the critical F-value at a significance level of 0.05, the ANOVA determines whether there is sufficient evidence to reject the null hypothesis. If the p-value is less than 0.05, it indicates a significant difference among the leaflet designs.

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The given quadrilaterals are not congruent but are similar and have a scale factor of \(\frac{1}{3}\).

Congruent figures are figures where one of the figure's sides and angles are equivalent to other  figure's corresponding sides and angles.

Clearly, the quadrilateral are not congruent because their size is not equal. Quadrilateral WXYZ is bigger than quadrilateral LMNO.

Similar triangles are triangles which are of same shape. There is no need for the same size.

So the given triangles are similar.

Here the coordinates of quadrilateral LMNO are L (1, 2), M (4, 2), N (3, 3) and 0 (1, 3).

LM = √[(4 - 1)² + (2 - 2)²] = 3

MN = √[(3 - 4)² + (3 - 2)²] = √2

N0 = √[(1 - 3)² + (3 - 3)²] = 2

OL = √[(1 - 1)² + (2 - 3)²] = 1

Coordinates of the quadrilateral WXYZ are W (-6, 6), X (3, 6), Y (0, 9) and Z (-6, 9).

WX = √[(3 - -6)² + (6 - 6)²] = 9

XY = √[(0 - 3)² + (9 - 6)²] = √18

YZ = √[(-6 - 0)² + (9 - 9)²] = 6

ZW = √[(-6 - -6)² + (6 - 9)²] = 3

Now, \(\frac{LM}{WX}\) =  \(\frac{MN}{XY}\) =  \(\frac{NO}{YZ}\) =  \(\frac{OL}{ZW}\) =  \(\frac{1}{3}\)

Hence the figure shown here are similar and the scale factor is  \(\frac{1}{3}\).

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The value of the sample proportionThe sample proportion is the percentage of individuals in a sample who have the attribute of interest. As a result, the sample proportion is computed by dividing the number of students who answered "yes" by the total number of students surveyed.

Here's the computation:Sample proportion= 220/400= 0.55Therefore, the sample proportion is 0.55.b. The standard error of the sample proportionThe standard error of the sample proportion can be determined using the following formula:Standard error of Standard error of the sample proportion= √[(0.55 * 0.45)/400]= √(0.00061875)= 0.0249Therefore, the standard error of the sample proportion is 0.0249.c. Constructing an approximate 95% confidence interval for the true proportion

A confidence interval is a range of values around a sample statistic, such as the sample proportion, that is expected to contain the true value of the population parameter with a certain degree of confidence. A 95 percent confidence interval implies that we are 95 percent certain that the true population parameter is within the specified interval.Let's first compute the margin of error:Margin of error= z* √[(p*q)/n]wherez= critical value of the standard normal distribution for a 95% confidence level= 1.96Margin of error= 1.96* √[(0.55*0.45)/400]= 0.0487Therefore, the margin of error is 0.0487. Now that we have the margin of error, we can construct the confidence interval using the following formula:Confidence interval= sample proportion ± margin of error= 0.55 ± 0.0487= (0.5013, 0.5987)Therefore, an approximate 95 percent confidence interval for the true proportion is (0.5013, 0.5987).

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Answer:

250 messages

Step-by-step explanation:

Cost per message: $0.16

Maximum bill: $40

Maximum # of messages = $40/$0.16 = 250 messages

The parent function of a parabola is y = x².

A function is said to be a parent function if it is expressed in the simplest form and satisfies the definition of a particular type of function.

The simplest function that satisfies the definition of a parabola is given by y = x². It is also called quadratic function.

Its graph passes through the origin (0,0) and lies in first and second quadrant.

One or more parabolas can be easily obtained by transforming the parent function of the parabola.

Therefore, the parent function of parabola is given by y = x².

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Answer:

c) x+y=35 10x+7y=266

Step-by-step explanation:

Answer:

Step-by-step explanation:

The correct statement is the percent increase of her salary is 20% every year. Hence, the answer is option E. Given that a company's vice president's salary n years after becoming vice president is defined by the formula S(n) = 70000(1.2)". We have to determine which of the following statements is true:

Given that a company's vice president's salary n years after becoming vice president is defined by the formula S(n) = 70000(1.2)". We have to determine which of the following statements is true:

She will be receiving a 2% raise per year. Her salary will increase $14,000 every year. The percent increase of her salary is 120% every year. Her salary is always 0.2 times the previous year's salary. The percent increase of her salary is 20% every year.

To calculate the salary of the vice president after n years of becoming a vice president, we use the given formula:

S(n) = 70000(1.2)

S(n) = 84000

The salary of the vice president after one year of becoming a vice president: S(1) = 70000(1.2)

S(1) = 84000

The percent increase of her salary is: S(n) = 70000(1.2)n

S(n) - S(n-1) / S(n-1) × 100%

S(n) - S(n-1) / S(n-1) × 100% = (70000(1.2)n) - (70000(1.2)n-1) / (70000(1.2)n-1) × 100%

S(n) - S(n-1) / S(n-1) × 100% = 20%

Therefore, the correct statement is the percent increase of her salary is 20% every year. Hence, the answer is option E.

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Answer:

letter A po

Step-by-step explanation:

thanks for brain less

Answer:

6:1

Step-by-step explanation:

The ratio 12/2 is equivalent to the ratio 6/1, or 12:2 = 6:1 .

Answer:

1. We want to write an equation in the form:

Ix - bI ≤ c

Such that the solutions are the range  −1 ≤ x ≤ 3

First, the extremes of the range are: - 1 and 3

Half of the difference between these values is:

m = (3 - (-1))/2 = (3 + 1)/2 = 4/2 = 2

Now let's go to the lower extreme, and add this value, we get:

-1 + m = -1 + 2 = 1

(if we go to the upper value and we subtract m, we get the same)

This is the mid-value of the solution interval, and we will define it as M

We now can write the absolute value inequality as:

I x - MI ≤ m

In our case, we get:

Ix - 1I ≤ 2

2.

Now we want to have the solution set given by:

x ≤ -9

x ≥ -5

In this case, we will have an equation of the form:

Ix - MI ≥ m

(before we used the symbol ≤, which means that the solutions are inside the interval, now we use the symbol ≥, which means that the solutions are outside of the interval (-9, -5) in this case).

So let's do the same than in the above case:

m = (-5) - (-9) = (-5 + 9)/2 = 4/2 = 2

M = -9 + 2 = -7

Replacing these in the absolute value inequality we got:

Ix - (-7)I ≥ 2

Ix + 7I ≥ 2

Answer:

B, 150

Step-by-step explanation:

use pythagorean theorem, the sides of the triangle are 120 and 90, so when u  square them and add them together, you get 120^2 +90^2 = 22500

square root 22500 to find the hypotanuse which is the length from one corner to another. the anwser is 150m which is b

Yes, Emma is correct. The expression 2(3w-6) represents two times the difference of three times w and six. w can represent any amount of money, so this expression represents twice the amount of money that Juan spent.

2(3w-6) = 6w - 12

2(3w-6)

2 • (3w - 6)

2 • 3w - 2 • 6

6w - 12

The expression 2(3w-6) can be expanded by first multiplying the two together. This is done by multiplying the coefficient of 2 with each of the terms inside the parentheses. This results in 2 • 3w - 2 • 6. Next, the terms inside the parentheses can be combined. Since they are both being multiplied by 2, we can simply add the two terms together, resulting in 6w - 12. Thus, the expression 2(3w-6) can be expanded to 6w - 12.The expression 2(3w-6) represents two times the difference of three times w and six. w can represent any amount of money, so this expression represents twice the amount of money that Juan spent.

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Answer:

Hope this helps :D

Step-by-step explanation:

Explanation on picture

Answer:

9 miles

Step-by-step explanation:

Given that :

Given that:

On map:

5cm = 2 miles

If a map trail = 22.5cm

Length of trail in real life :

(22.5 cm / 5cm) * 2miles

4.5 * 2 miles = 9 miles

The trail is 9 miles in real life

Answer:

\(x = - \frac{1}{2} \)

\(x = 3\)

Step-by-step explanation:

hope it helps you

have a wonderful day

Answer:

i think it's:: -6 11/21

Answer:

-6 11/21

Step-by-step explanation:

Answer:

y = 52

x = 5

Step-by-step explanation:

Side BC and Side BA are congruent sides ( indicated by the two dashed lines. )

This meaning that their opposite angles are also congruent

Side BC's opposite angle is ∠A and side BA's opposite angle is ∠C

Hence ∠A ≅ ∠C

And because ∠A = 52°, ∠C also equals 52°

Hence y = 52°

Now we want to find x

We can do this by creating an equation using the triangle angle rule which states that the angles in a triangle add up to equal 180

so...

180 = 14x + 6 + 52 + 52

now we solve for x

step 1 combine like terms

52 + 52 + 6 = 110

now we have 180 = 110 + 14x

step 2 subtract 110 from each side

180 - 110 = 70

110 - 110 cancels out

now we have 70 = 14x

step 3 divide each side by 14

14x/14 = x

70 / 14 = 5

we're left with x = 5

The correct option  a) 4 ft. , Service Cable that is attached to a building must be sustained at intervals no greater than 4 ft..

Service cables mounted in close proximity to a building must be supported at no more than four-foot intervals.

Thus,  service cable that is attached to a building must be sustained at intervals no greater than 4 ft.

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The two-tailed t-test with a significance level (P-value) of 0.05 leads to the conclusion that the mean albumin concentrations in the two selected groups of people differ significantly (option c).

In the t-test, we compare the means of two groups and determine if the observed difference is statistically significant. A significance level of 0.05 means that we have a 5% chance of observing such a difference by chance alone.

By conducting the t-test on the given data, we calculate the t-value and compare it to the critical t-value at the chosen significance level. If the calculated t-value falls outside the critical region, we reject the null hypothesis and conclude that the means differ significantly. In this case, the t-test indicates that the mean albumin concentrations in the two groups differ significantly, leading to the conclusion of option c.

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Answer:

please see the picture

Step-by-step explanation:

The probability that the next coin flip will yield a head is 50%, as each coin flip has an equal chance of landing either heads or tails.

Probability is an incredibly important concept to understand in our everyday lives. Understanding probability helps us make informed decisions about the chances of something happening. For example, when playing a game of chance, understanding probabilities can give us a better idea of the likelihood of winning or losing. Knowing the probability of an event happening can also help us make decisions in other areas of life, such as investing.

In the context of coin flipping, it is important to remember that the probability of a coin landing on heads or tails is always 50%. This means that no matter how many times the coin is flipped and no matter what the previous outcome, the probability of the next flip being heads or tails remains the same. This concept is the basis of probability theory, which can be applied to many other areas of life.

Understanding probabilities is also useful in understanding the chances of certain events occurring in the world. For example, understanding the probability of an earthquake happening in a certain area can help us make decisions about where to live or how to prepare for a potential disaster. Similarly, understanding the probability of a successful business venture can help us decide whether or not to invest in it.

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Answer: 6 plus -10 equals negative 4

Step-by-step explanation: