Solve with the box method

Solve With The Box Method

Answers

Answer 1

The expanded expression is [tex]2x^4 + 3x^3 - 10x^2 + 6x - 1.[/tex]

How to calculate the expression?

[tex](2x^2 - 3x + 1)(x^2 + 3x - 1)[/tex] can be expanded by multiplying each term in the first equation by each term in the second equation using the distributive property. increase.

= [tex]2x^2(x^2 + 3x - 1) - 3x(x^2 + 3x - 1) + 1(x^2 + 3x - 1)[/tex]

Each term can then be simplified by multiplying by the coefficient and adding the exponent of x.

= [tex]2x^4 + 6x^3 - 2x^2 - 3x^3 - 9x^2 + 3x + x^2 + 3x - 1[/tex]

Then you can combine similar terms.

= [tex]2x^4 + (6x^3 - 3x^3) + (-2x^2 - 9x^2 + x^2) + (6x - 1)[/tex]

= [tex]2x^4 + 3x^3 - 10x^2 + 6x - 1[/tex]

So the expanded expression is [tex]2x^4 + 3x^3 - 10x^2 + 6x - 1.[/tex]

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Related Questions

What is the sum of the measures of the exterior angles of any convex polygon?
A.90
B.180
C.360
D.720

Answers

Answer:

360

Step-by-step explanation:

If a polygon is convex, then the sum of the measures of the exterior angles, one at each vertex, is 360°

hope dis helpsssssss

There are 5 red marbles and 8 blue marbles in a bag. (a) What is the ratio of red marbles to blue marbles? (b) What is the ratio of all marbles in the bag to blue marbles?

Answers

Answer:

A. 5 to 8
B. 13 to 8

Step-by-step explanation:

is the number of games won by a major league baseball team in a season related to the team batting average? The table below shows the number of games won and the batting average (in thousandths) of 8 teams.

Answers

The correlation coefficient r is -0.7642

The equation of least square line is

y = -0.37x + 305.98

What is correlation ?

Correlation describes the strength of an association between two variables, and is completely symmetrical, the correlation between A and B is the same as the correlation between B and A.

Given,

Games won: 109,119,107,67,79,63,65,90

Batting average: 259,267,264,288,277,288,269,277

calculation is done by calculator and attached below.

Hence, Correlation coefficient is - 0.7642

Least square line:

y = -0.37x + 305.98

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after five years of owning a roth individual retirement account (ira), a person wants to buy his first home, the person can withdraw money from the roth ira

Answers

A person who has owned a Roth IRA for five years may withdraw money from the account to buy their first home. The individual has to meet certain requirements and can't withdraw more than $10,000 per person.

A Roth IRA is a type of individual retirement account that allows for tax-free withdrawals of contributions at any time, without penalty or taxes. After five years of ownership, a person who has a Roth IRA may withdraw money from the account to buy their first home. This withdrawal is known as a "first-time homebuyer distribution."

However, there are certain rules and limitations to be aware of when withdrawing money from a Roth IRA for a first home purchase. The individual must be a first-time homebuyer, defined as someone who has not owned a home in the past two years. Additionally, the maximum amount that can be withdrawn for a first home purchase is $10,000 per person.

It's important to note that while contributions to a Roth IRA can be withdrawn tax-free and without penalty, earnings on those contributions may be subject to taxes and penalties if withdrawn before age 59 and a half.

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determine each length in right triangle . right triangle abc with right angle at vertex b. point d lies on side ac. dashed segment bd is drawn. angles

Answers

Using the Pythagorean theorem and the Law of Cosines, we can solve for the lengths of each side in right triangle ABC.

The right triangle ABC with right angle at vertex B can be solved using the Pythagorean theorem. The Pythagorean theorem states that in any right triangle, the square of the hypotenuse (the longest side) is equal to the sum of the squares of the two shorter sides. In this case, side AC is the hypotenuse and side AB and BC are the two shorter sides.

We can determine the lengths of all three sides using the Pythagorean theorem and the information given. Side AB is equal to the square root of the sum of the squares of sides AC and BC. Since we are given that angle ABC is a right angle, we can determine that side BC is equal to the length of side AB. This means that the length of side AB is equal to the square root of the square of side AC. The length of side AC can be determined by finding the length of the dashed segment BD.

To find the length of dashed segment BD, we can use the Law of Cosines. The Law of Cosines states that in any triangle, the square of the length of a side is equal to the sum of the squares of the other two sides minus twice the product of the other two sides multiplied by the cosine of the angle opposite the side. In this case, we are finding the length of side BD. We can use the angle ABC and side AC to solve for the length of side BD.

Therefore, using the Pythagorean theorem and the Law of Cosines, we can solve for the lengths of each side in right triangle ABC.

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Which elements listed below are required for an inverse trig problem to find a missing angle?
*check all that apply
A right triangle
The length of at least one side
The measure of at least one angle
The length of at least 2 sides

Answers

The elements listed above that are required for an inverse trig problem to find a missing angle include the following:

A. A right triangle.

D. The length of at least 2 sides.

What is a right angle?

In Mathematics, a right angle can be defined as a type of angle that is formed in a triangle by the intersection of two (2) straight lines at 90 degrees. This ultimately implies that, a right angled triangle has a measure of 90 degrees.

Generally speaking, the length of at least two (2) sides is an element that is required for an inverse trig problem in order to find a missing angle in a right angled triangle.

In conclusion, both a right triangle and the length of at least two (2) sides must be provided in order to find a missing angle in a right angled triangle.

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In a sample of 60 households, one house is worth $2,500,000. Twenty-nine houses are worth $280,000, and all the others are worth $315,000. Which is the better measure of the center"the mean or the median?

Answers

Answer:

Step-by-step explanation:

In this case, the median would be a better measure of the center than the mean. The median is the value in the middle of a set of data when the values are arranged in order from least to greatest. In this case, there are 60 households, so the 31st household would be the median. Since 29 houses are worth $280,000 and one house is worth $2,500,000, the 31st house must be worth $315,000.

The mean, on the other hand, is calculated by adding up all the values and dividing by the number of values. The mean in this case would be significantly influenced by the one high-value household worth $2,500,000, leading to an estimate of the center that is much higher than the other values. In this situation, the median provides a better representation of the "typical" value among the majority of the households.

Triangles 30-60-90 and 45-45-90

Answers

Answer:

See below

Step-by-step explanation:

r = 4*2 = 8

q = 4√3

p = q = 4√3

s = √(4√3)^2 + (4√3)^2) = √96 = 4√6

Pls help

I will give 65 points for the first person to answer my question.

Thank you!

Answers

first off let's check how much is 5% of hmmm say "x"

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{5\% of x}}{\left( \cfrac{5}{100} \right)x}\implies 0.05x[/tex]

so if we increase "x" by that much, that's just "x + 0.05x" = 1.05x.  Now, let's find how much is 5% of that

[tex]\stackrel{\textit{5\% of 1.05x}}{\left( \cfrac{5}{100} \right)1.05x}\implies (0.05)(1.05x)\implies 0.0525x \\\\\\ \stackrel{\textit{now let's add that, to 1.05x}}{1.05x~~ + ~~0.0525x}\implies 1.1025x[/tex]

so our "x" went up by 0.1025x, now let's conver that to a percent, 0.1025 * 100 = 10.25%.

for a certain type of soil the number of wireworms per cubic foot has a mean of 100 . assuming a poisson distribution of wireworms, give an interval that will include at least 5 / 9 of the sample values of wireworm counts obtained from a large number of 1 -cubic-foot samples.

Answers

An interval that will include at least 5/9 of the sample values of wireworm counts obtained is (85,115).

Let us consider a random variable Y which follows the Poisson distribution with parameter λ=100

The Mean of the Poisson distribution of λ(μ)=100

The variance of the Poisson distribution σ²=100

We need to find an interval that will include at least 5/9 of the sample values.

We have the Mean of the Poisson distribution λ=100

The variance of the Poisson distribution is σ²=100

The standard deviation of the Poisson distribution is σ =√100=10

Now, consider Tchebysheff’s rule:

Let X be a random variable with finite expected value and finite non-zero variance then for any real number k > 0,

Pr(|X-μ|≥kσ)=≤1/k².

1-1/k²=5/9

1-5/9=1/k²

4/9=1/k²

k²=9/4

k=1.5

So the interval contains all the values within 1.5 standard deviations from the mean:

μ±1.5(σ)

100±1.5(10)

100±10

(85,115).

Hence, The interval is (85, 115).

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A business development manager discusses international steel production and economic development at a conference. He passes out this graphic and asks for comments. Which comment about the data is most accurate? Japan’s production has increased and shows no signs of decreasing. China’s steel production is increasing while its major competitors’ production is declining. By 2009, China’s tons of steel produced per US million ($) GDP was 50, about 10 tons less than Japan’s all-time high. At 50 tons of steel produced per US million ($) GDP, China has the highest steel production of all producers shown as of 2009.

Answers

The most accurate comment about the graph  data is: "China's steel production is increasing while its major competitors' production is declining."

A graph is what?

Academics are using graphs to logically chart or graphically depict events or quantities. A graph point is a common way to depict how different things interact. The non-linear storage structure known as a graph is made up of nodes, also referred to as vertices, and lines. Glue ought to be used to connect the edges, also known as nodes , respectively.  (4.5).

Here,

The most accurate comment about the data is: "China's steel production is increasing while its major competitors' production is declining."

This is because the graph shows that China's steel production has been steadily increasing since the early 2000s, while the steel production of other major producers such as Japan, the United States, and Germany has been declining or stagnant. This trend is particularly evident after the global financial crisis of 2008-2009.

While it is true that Japan's steel production has increased and shows no signs of decreasing, this comment does not address the overall trend of declining steel production among major producers.

The other two comments are not accurate. The statement "By 2009, China’s tons of steel produced per US million ($) GDP was 50, about 10 tons less than Japan’s all-time high" is not supported by the graph, as there is no information about tons of steel produced per US million ($) GDP on the graph.

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Calculator not allowed This is a new version of the question. Make sure you start new workings. Bookwork code: K09 < Back to task a) What is the y-coordinate of every point along this line? b) Use your answer to part a) to write down the equation of the line. (-3,4) -4 -3 -2 Y 5- 4 3- 2- 1- -1 0 -1- -2- T --3- -4- (1,4) 1 Watch video w. MacBook Air (5,4) A- 2 3 4 5 X Answer>​

Answers

The equation of the line is y = 4 and the y-coordinate of every point along this line is 4.

What is an equation of a line?

The equation of a straight line is y=mx+c y = m x + c m is the gradient and c is the height at which the line crosses the y-axis, also known as the y -intercept.

Given that, we need to find an equation of a line passing through given points,

Considering two points, (-3, 4) and (1, 4)

We know that, the equation of a line passing through two points (x₁, y₁) and (x₂, y₂) is given by,

(y-y₁) = (y₂ - y₁ / x₂ - x₁)(x-x₁)

Here, (x₁, y₁) and (x₂, y₂) = (-3, 4) and (1, 4)

Therefore, the equation =

y-4 = 4-4 / 1+3(x+3)

y-4 = 0

y = 4

Since, the slope is zero and y-intercept is 4 that mean, the line given is parallel to x-axis,

Hence, all the y coordinates will be 4.

Hence, the equation of the line is y = 4 and the y-coordinate of every point along this line is 4.

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Simplify 150/(6 + 3 x 8)- 5

Answers

Answer:

look at the screenshot

Step-by-step explanation:

can someone tell me how i find answer for this problem?

Answers

Answer:

  P(x) = x²(x +1)(x -2)²

Step-by-step explanation:

You want the 5th degree polynomial with leading coefficient 1 that has roots of 0 and 3, each with multiplicity 2, and a root of -1.

Factors

You recall that a polynomial with root p has (x -p) as a factor. A root that is repeated m times has multiplicity m.

You recall that an exponent is used to signify the number of times a factor is repeated.

The factored form of P(x) is then ...

  P(x) = (x -2)²(x -0)²(x -(-1)) . . . . . roots 2 and 0 repeated twice, root -1

  P(x) = x²(x +1)(x -2)²

__

Additional comment

If you like, you can multiply it out and collect terms. The result will be ...

  P(x) = x⁵ -3x⁴ +4x²

A mapping diagram represents a relationship that contains three different input values and four different output values. Is the relationship a function

Answers

The relationship is not a function.

What is Function?

A function is a relation from a set A to a set B where the elements in set A only maps to one and only one image in set B. No elements in set A has more than one image in set B.

Given that,

A mapping diagram represents a relationship that contains three different input values and four different output values.

Let A be the set of input values and B be the set of output values.

Number of elements in A = 3

Number of elements in B = 4

This means that 3 elements in A has four elements as image in B.

Thus, an element in A must have two different images in B.

But by the definition of functions, there can't be more than one image for an element in set A.

Hence the given relationship is not a function.

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Charmaine deposited $2000 into an account with a 3.9% annual interest rate, compounded quarterly. Assuming that no withdrawals are made, how long will it take for the investment to grow to $4000?

Answers

It will take 17 years and 10 months for the investment to grow to $4000.

What is compound interest rate?

Compound interest is computed as interest on the principle of an account plus any accrued interest.

Compound interest can be calculated using the following formula:

x = P (1+r/n

,where x = compound interest

P = principal (the initial deposit or loan amount)

r = annual interest rate

n = the number of compounding periods per unit of time

t = the number of time units the money is invested or borrowed for

Given:

Charmaine deposited $2000 into an account with a 3.9% annual interest rate, compounded quarterly.

First, convert R as a percent to r as a decimal

r = R/100

r = 3.9/100

r = 0.039 per year,

Then, solve the equation for t

t = ln(A/P) / n[ln(1 + r/n)]

t = ln(4,000.00/2,000.00) / ( 4 × [ln(1 + 0.039/4)] )

t = ln(4,000.00/2,000.00) / ( 4 × [ln(1 + 0.00975)] )

t = 17.86 years

Hence, the time is 17 years and 10 months.

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You purchase 200 shares for $70 a share ($14,000), and after a year the price falls to $60. Calculate the percentage return on your investment if you bought the stock on margin and the margin requirement was (ignore commissions, dividends, and interest expense):

15 percent. Use a minus sign to enter the amount as a negative value. Round your answer to one decimal place.

%

40 percent. Use a minus sign to enter the amount as a negative value. Round your answer to one decimal place.

%

75 percent. Use a minus sign to enter the amount as a negative value. Round your answer to one decimal place.

Answers

If you purchase 200 shares for $70 a share ($14,000), and after a year the price falls to $60. the percentage return on your investment are:

27.21%,  49.11%, 78.57%.

How to find the percentage return?

If the margin requirement was 15%:

Total cost of the investment = $14,000 / (1 - 0.15)

Total cost of the investment = $16,471.43

After a year, Value of the investment =  200 * $60 = $12,000

Percentage return = ( $16,471.43 -12,000 ) / $16,471.43 * 100

Percentage return = 27.21%

If the margin requirement was 40%:

Total cost of the investment = $14,000 / (1 - 0.40)

Total cost of the investment  = $23,529.41

After a year, Value of the investment  =200 * $60 = $12,000

Percentage return = ( $23,529.41 -$12,000 ) / $23,529.41 * 100

Percentage return = 49.11%

If the margin requirement was 75%:

Total cost of the investment = $14,000 / (1 - 0.75)

Total cost of the investment = $56,000

After a year, the value of the investment = 200 * $60 = $12,000

Total cost of the investment =  ($56,000 - $12,000 ) / $56,000 * 100

Total cost of the investment = 78.57%.

Therefore  the percentage return on your investment are:

27.21%,  49.11%, 78.57%.

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ax-b=4 if a≠0
please help immeditatlyl
jfasjflsajdflskadjfsadfsadf

Answers

Answer:

Graphical form: Ax-b=4 simplifies to Ax-b-4=0

Text form: Ax-b=4 simplifies to Ax-b-4=0

Cartoon (animation) form: simplify_cartoon%28+Ax-b=4+%29

For tutors: simplify_cartoon( Ax-b=4 )

Step-by-step explanation:

determine what type of data values are quantitative and the number of values is finite or countable. a. intervalb. discretec. categoricald. continuous

Answers

Discrete values are the data values which are quantitative and the number of values is finite or countable.

What is discrete data?

In a count involving integers, there are only a finite number of potential values. It is impossible to break this kind of data into separate components. Discrete data consists of discrete variables that are non-negative, finite, numerical, and countable.

We are given interval, discrete, categorical and continuous values.

Of these, we need to find that which type of data values are quantitative and the number of values is finite or countable.

Interval data is quantitative but not countable because interval can range from infinity to infinity.

Discrete data is both quantitative and countable.

Categorical data is qualitative and not quantitative.

Continuous data is quantitative but not finite.

Hence, discrete values are the data values which are quantitative and the number of values is finite or countable.

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The table represents a linear function. What is the slope of the function?
-2 8
-1 2
0 -4
1 -10
2 -16

Answers

The answer is -6.,  is the slope of the function.

What is slope?

In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line. The slope of a line is a measure of its steepness. Mathematically, slope is calculated as "rise over run" (change in y divided by change in x).

here, we have,

In order to determine the slope of the function, we have to know about linear function.

In any linear function, we can get its slope using two pairs of coordinates that belong to the linear function.

m=Slope of the linear function.

P1=(x1,y1)=First pair of coordinate.

P2=(x2,y2)=Second pair of coordinate.

In this case, we have many pairs of coordinates, so we choose two of them:

P_1=(-2,8)

P_2=(0,-4)

Then, we replace them in the slope formula:

m = y2-y1/x2-x1

   = -6

Finally, the slope of the function is -6.

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Urgent!! Not sure what the right answer is, I know it’s not B. Or C.

Answers

Option C) The given set of data is distributed as 3,3,5,4,3,2, 5,6,5 ther are 2 peeks showing that the data si bimodally distributed.

What is distribution ?

A function called data distribution identifies all potential values for a variable and assesses its relative frequency (probability of how often they occur). Any population with dispersed data is referred to as a distribution.

Being monomodal refers to having a one mode. In mathematics, unimodality more broadly refers to the existence of only one greatest value that is somehow specified.

Two modes comprise a bimodal distribution. In other words, two processes with distinct distributions' results are combined into a single collection of data. The distribution sometimes goes by the name "double-peaked." For instance, consider the distribution of data for two production shifts in a manufacturing facility.

The given set of data is distributed as 3,3,5,4,3,2, 5,6,5 ther are 2 peeks showing that the data si bimodally distributed.

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The population growth rate due to the difference in births and deaths in the U.S. is estimated to
be 0.5% per year. Given a 2001 population size of about 285 million, calculate the projected
population size in 2025. Use the exponential growth equation (N= No e"), to calculate the
population. In the equation, No is the initial population (285,000,000), r is the growth rate expressed as a
decimal (0.005), t is the number of years (25), e is a constant (defined as the base of the natural
logarithm), and N, is the population after t years.

Answers

In 2025, we would have  321 million people Since we do have an exponential growth function here.

What is exponential growth?

Exponential growth is a type of growth that occurs when the rate of increase is proportional to the current value. In mathematical terms, it can be expressed as y = ab^x.

We then have that;

P = Poe^rt

P = population at time t

Po = Initial population

r = rate of growth

t = time taken

Then;

t = 24 years

r = 0.005

Thus;

P = 285 * 10^6e^24 * 0.005

P = 321 million people

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For each of the values of h given, when x is increased from 4 to 4+h, work out(the change in x^2)/h.a. If h=1, then (the change in x^2)/h =b. If h=0.1, then (the change in x^2)/h=c. If h=0.01, then (the change in x^2)/h=d. If h=0.001, then (the change in x^2)/h=

Answers

As h decreases, the value of (the change in x^2)/h increases, since 16h gets divided by a smaller value of h. For example, when h=0.1, (the change in x^2)/h = 16/0.1 = 160.

a. If h=1, then (the change in x^2)/h = 16/1 = 16

b. If h=0.1, then (the change in x^2)/h= 16/0.1 = 160

c. If h=0.01, then (the change in x^2)/h= 16/0.01 = 1600

d. If h=0.001, then (the change in x^2)/h= 16/0.001 = 16000

The change in x^2 refers to the difference in the value of x^2 when x is increased from 4 to 4+h. In other words, it is the difference between (4+h)^2 and 4^2. The change in x^2 is 16h, since (4+h)^2 = 16h + 4^2. To find (the change in x^2)/h, we simply divide 16h by h, which gives us 16. So, for each of the values of h given, when x is increased from 4 to 4+h, (the change in x^2)/h is 16. As h decreases, the value of (the change in x^2)/h increases, since 16h gets divided by a smaller value of h. For example, when h=0.1, (the change in x^2)/h = 16/0.1 = 160.

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b2 = 3, h = 3, and A = 12 b1= 7.2 5 9

Answers

The length of b1 is given as follows:

b1 = 5 units.

How to obtain the area of a trapezoid?

The area of a trapezoid is obtained adding the bases, multiplying by the height, and dividing by 2.

For the trapezoid in this problem, the parameters are given as follows:

Bases 3 and b1.Height of 3.Area of 12.

Hence the length of b1 is obtained as follows:

3(3 + b1)/2 = 12

9 + 3b1 = 24

3b1 = 15

b1 = 15/3

b1 = 5 units.

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If 80% of a number is 560, what will be 70% of that number?

Answers

Answer:

490

Step-by-step explanation:

80/100×the total number= 560

solved for the total number Which is equal 700

700×70% = 490

1. A(n).
is an arrangement of objects in which order is important.
the

Answers

A permutation is a collection of things where the arrangement is important. In general, a permutation of a set in mathematics is the rearranging of its members into a sequence or linear order if the set already has an ordered structure.

What is permutation?

A permutation is a grouping of items where the order is crucial.

A permutation of a set in mathematics is, broadly speaking, the rearrangement of its elements if the set already has an ordered structure into a sequence or linear order.

The act or procedure of altering the linear order of an ordered set is referred to as a "permutation."

Contrasted with combinations, which are selections of a few members of a set independent of order, are permutations.

There are six permutations of the set "1, 2, 3," for instance, represented as tuples: (1, 2, 3), (1, 3, 2), (2, 1, 3), (2, 3, 1), (3, 1, 2), and (3, 2, 1).

Therefore, a permutation is a collection of things where the arrangement is important. In general, a permutation of a set in mathematics is the rearranging of its members into a sequence or linear order if the set already has an ordered structure.

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For equation B --> 2AChoose equivalent expressions for the rate of the reaction in terms of the appearance or disappearance of the two substances. a) Rate=−1/2Δ[B]/Δt=Δ[A]/Δ b) Rate=−Δ[B]/Δt=Δ[A]/Δt c) Rate=−Δ[B]/Δt=1/2Δ[A]/Δt d) Rate=1/2Δ[B]/Δt=Δ[A]/Δt e) Rate=Δ[B]/Δt=Δ[A]/Δta

Answers

For equation B → 2A, the rate of reaction becomes:

-Δ[B]/Δt = (1/2) Δ[A]/Δt

Correct option: c

What is the rate of reaction?

The rate of reaction may be defined as the change in concentration of any of the products or reactants per unit of time. The pace at which reactants change into products is known as the rate of reaction or reaction rate. It goes without saying that the pace at which chemical reactions take place varies greatly.

The given reaction is:

B → 2A

rate of reaction in terms of A:

rate = (1/2) d[A]/dt

rate of reaction in terms of B:

rate = -d[B]/dt

So,

rate = -d[B]/dt = (1/2) d[A]/dt

Correct option: c

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Use the Venn diagram to list set A in roster form

A= { }
(Use a comma to separate answers as needed)

Answers

From the Venn diagram, the values that come under set A are A = { h,p,d,t,x }.

What is a set theory?

The area of mathematical logic known as set theory examines sets, which are essentially collections of objects. Set theory is a branch of mathematics that primarily deals with objects that are pertinent to mathematics as a whole, despite the fact that any kind of object can be gathered into a set.

Given that the Venn diagram consists of the values for set A and set B. The values which come under set A of the Venn diagram can be written as below,

A = { h,p,d,t,x }.

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The surface area of this triangular prism is 142 ft. What is the missing edge length? Include the units.
Base : 6ft height height:2ft
Left & right : base :? Height : 4ft , 3ft

Answers

The total surface area of the triangular pyramid is 936 cm²

What is an equation?

An equation is an expression that contains numbers and variables linked together by mathematical operations of addition, subtraction, multiplication, division and exponents. An equation can either  be linear, quadratic, cubic, depending of the degree of the variable.

The surface area of the triangular prism is the sum of the individual area of the surface. Hence:

Surface area = (0.5 * 24 cm * 18 cm) + (0.5 * 24 cm * 18 cm) + (24 cm * 7 cm) + (18 cm * 7 cm) + (30 cm * 7 cm) = 936 cm²

The total surface area is 936 cm²

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please help me with this


here is the picture

step by step

Answers

Answer:

1.C

2.D

3.A

4.A

Step-by-step explanation:

1. The negative must be outside to be reflected across the Y axis. Also you can never find the square root of a negative number

2.Its D because when you move to the right, you subtract on the inside. doing it outside would move it down

3. As I said in "2" to move up or down you have to keep the number outside. In this case it was down 3 so -3 ouside of the square root.

4. This is a combination of the two so right 4 and 4 four translates to -4 on the inside and -4 on the outside.

Hope it helps!

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