Robert buys last year's best-selling novel, in hardcover, for $22.40. This is with a 20% discount from the original price. What was the original price of the novel?

Answers

Answer 1

Answer:

$28.00

Step-by-step explanation:

Set up an equation:

$22.40 = y(1 - 0.20)

Solve the contents of the parentheses first:

$22.40 = y(0.80)

Divide by 0.80 on both sides to isolate y:

($22.40)/0.80 = y

Solve:

$22.40 / 0.80 = $28.00


Related Questions

There is a real number whose product with every real numbers equal zero
a. Some ___ has the property that is __.
b. There is a real number a such that the product of á __.
c. There is a real number á with the property that for every real number b __.

Answers

There is a real number whose product with every real number equals zero

a. Some real number has the property that its product with every real number equals 0.

b. There is a real number a such that the product of á and any real equals zero.

c. There is a real number á with the property that for every real number b, the product of a and b equals zero.

Mackenzie has
22
ft of decorative fencing to line her rectangular flower garden. If her garden must have a width of
4
ft, what will the length of her garden have to be to use all
22
ft of fencing?

Answers

Answer:

the length of her garden will have to be 5.5ft

22÷4=5.5

PLEASE HELP in the figure below, what is the value of x? Show all work

Answers

Answer:

x=19

Step-by-step explanation:

All of the angles add up to 180 degrees since it is a straight angle. So, the equation is:

3x+7+90+x+7=180

You combine like terms:

4x+104=180

Then you subtract on both sides:

4x=76

Then you divide by 4 on both sides:

x=19

Solve these questions
1) x +2x + x = 68
2) x+y+3y= 45
3) x+y-4z= -32
4) x+y+z= ?
5) -x + 8x= 63
6) 4x+3x-x=42
Same questions as the pic

Answers

Answer:

here is the answers

Step-by-step explanation:

sample:

1. 4x = 68

x = 68/4

x = 17

Solution :

1) x + 2x + x = 68

>> 4x = 68

>> x = 68 / 4

>> x = 17

2) x + y + 3y = 45

>> x + 4y = 45

>> 17 + 4y = 45

>> 4y = 45 - 17

>> 4y = 28

>> y = 28 / 4

>> y = 7

3) x + y - 4z = -32

>> 17 + 7 - 4z = -32

>> 24 - 4z = -32

>> -4z = -32 - 24

>> -4z = -56

>> z = 56 / 4

>> z = 14

4) x + y + z = ?

>> 17 + 7 + 14

>> 24 + 14

>> 38

5) -x + 8x = 63

>> 7x = 63

>> x = 63 / 7

>> x = 9

6) 4x + 3x - x = 42

>> 7x - x = 42

>> 6x = 42

>> x = 42 / 6

>> x = 7

What is the slope of a line perpendicular to the line whose equation is x+y=-6x. Fully reduce your answer.

Answers

The slope of the equation is -7. Then the slope of the perpendicular line will be 1/7.

What is the equation of a perpendicular line?

Let the equation of the line be y = mx + c. Then the equation of the perpendicular line that is perpendicular to the line y = mx + c is given as y = -(1/m) + d. If the slope of the line is m, then the slope of the perpendicular line will be negative 1/m.

The equation of the line is given as,

y = - 7x

The slope of the equation is -7. Then the slope of the perpendicular line will be

⇒ -(1/(-7))

⇒ 1/7

The slope of the equation is -7. Then the slope of the perpendicular line will be 1/7.

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change the subject. make x the subject

Answers

Answer:

X= 1/y

Step-by-step explanation:

[tex]y = 1 - \frac{1}{ \sqrt{1} - \frac{1}{1 - x} } \\ y = 1 - \frac{1}{1 - \frac{1}{1 - x} } \\ y - 1 = - \frac{1}{1 - \frac{1}{1 - x} } \\ y - 1 = - \frac{1}{ \frac{1 - x - 1}{1 - x} } \\ y - 1 = - \frac{1 - x}{ - x} \\ y - 1 = \frac{1 - x}{x} \\ yx - x = 1 - x \\ yx = 1 \\ x = \frac{1}{y} [/tex]

- 12(x+12) + 1177 = 10 + 15

Answers

The answer is X = 84

Answer:

x = 84

Step-by-step explanation:

-12(x+12) + 1177 = 10 + 15

-12x - 144 + 1177 = 25

1033 = 25 + 12x

1008 = 12x

x = 84

14. Jennifer and Francine are running a race where Francine runs the race far faster than Jennifer.
It takes Jennifer just five seconds less than twice Francine's time to finish. If their combined
total time is 86 seconds and frepresents the amount of time it takes Francine to finish, then
which of the following equations models this situation?
(1) ƒ+2(ƒ-5)=86
(3) ƒ+2ƒ-5=86
(2) 2ƒ-5=86
(4) 2f-5=43

Answers

The answer is (2) 2f-5=86; I hope- :\

using associative property


(y+12)+28

Answers

y+(12+28)

Associative Property of addition states: a+(b+c)=(a+b)+c.

100 POINTS PLEASE ANSWER QUICK
Use the box plot below to answer the questions.

Part A: Estimate the IQR for the male data.

Part B: Estimate the difference between the median values of each data set.

Part C: Describe the distribution of the data and if the mean or median would be a better measure of center for each.

Answers

The median is a better measure of center for the male's data, while the mean is a better for the female's data.

What are quartiles?

When we get data which can be compared relatively with each other, for finding quartiles, we arrange them in ascending or descending order.

Quartiles are then selected as 3 points such that they create four groups in the data, each groups approximately possessing 25% of the data.

(a) The IQR of the male's data

From the given male's boxplot, we have the following data elements;

Upper quartile (Q3) = 14

Lower quartile (Q1) = 2

Then the IQR is calculated as:

IQR = Q3 - Q1

So, we have:

IQR = 14 - 2

IQR = 12

Hence, the IQR for the given males' data is 12

(b) The difference between the median values can be calculated as;

Median of male's data = 14

Median of female's data = 9

The difference (d) between the median values is;

d = 14 - 9

d = 5

Hence, the difference between the median values of each data set is 5

(c) The distribution of data

It is found that the median is a better measure of center for the male's data, while the mean is a better measure of center for the female's data.

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The median is a better measure of center for the male's data, while the mean is a better for the female's data.

What are quartiles?

When we get data which can be compared relatively with each other, for finding quartiles, we arrange them in ascending or descending order.

Quartiles are then selected as 3 points such that they create four groups in the data, each groups approximately possessing 25% of the data.

(a) The IQR of the male's data

From the given male's boxplot, we have the following data elements;

Upper quartile (Q3) = 14

Lower quartile (Q1) = 2

Then the IQR is calculated as:

IQR = Q3 - Q1

So, we have:

IQR = 14 - 2

IQR = 12

Hence, the IQR for the given males' data is 12

(b) The difference between the median values can be calculated as;

Median of male's data = 14

Median of female's data = 9

The difference (d) between the median values is;

d = 14 - 9

d = 5

Hence, the difference between the median values of each data set is 5

(c) The distribution of data

It is found that the median is a better measure of center for the male's data, while the mean is a better measure of center for the female's data.

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Mathematics in the modern world

Answers

Answer:

Mathematics shaping the modern world.

6 What types of decimal numbers are rational? What types are irrational?

7 Write down two more examples (decimal, fraction, etc.) of each type of number: rational and irrational. Explain your choices.​

Answers

Answer is

6) a rational decimal can be turned into a fraction, an irrational decimal cannot be turned into a fraction

7) examples and explanations

Rational decimals can become fractions

.50 ( becomes fraction 1/2)
.12 (becomes fraction 12/100)

√25 ( becomes a 5 which is fraction 1/5)

Irrational decimal is a non-terminating, non-repeating decimal

.1234321234 (a non terminating decimal does not become a fraction)

3.14159265359…… (TT pi is non terminating so it cannot become a fraction)

√7 ( becomes 2.6457513110…..non terminating so it is irrational)



PLEASE HELP FAST I ONLY HAVE ONE HOUR!!!!!!

Answers

It’s the first one !!!!!!!!!!!!

Solve for rate in the following application problem. A company reports that office income last month was ​$315,400​, while advertising expenses were ​$21,447.20. What percent of last​ month's income was spent on​ advertising?

Answers

Answer:

6.8%

Step-by-step explanation:

[tex]\frac{21447.20}{315400}[/tex]  When you divide this, you get 0.068.  This is in decimal form.  To change to a percent move the decimal to places to the right 6.8%

o qualify for security officers’ training recruits are tested for stress tolerance. The scores are normally distributed, with a mean of 62 and a standard deviation of 8.

If only the top 15% of recruits are selected, find the cutoff score.

Answers

The cutoff score is  mathematically given as

x_n=70.32 (cutoff)

This is further explained below.

What is  the cutoff score.?

Generally, the equation for is  mathematically given as

[tex]&P\left(X > x_0\right)=0.15 \Rightarrow P\left(X < x_0\right)=0.85 \\[/tex]

[tex]&\Rightarrow P\left(\frac{X-\mu}{\sigma} < \frac{x_0-\mu}{\sigma}\right)=0.85 \\[/tex]

[tex]&\Rightarrow P\left(Z < \frac{x_0-\mu}{\sigma}\right)=0.85 \\\\&\Rightarrow \frac{x_0-\mu}{\sigma}=\text { invNorm }(0.85) \\\\&\Rightarrow x_0=\mu+\sigma \times \text { invNorm }(0.85)[/tex]

Use z-table to get inv Norm() = 1.04

x_0=62+8 *(1.04)=70.32

In conclusion, Top 15% are above x_n=70.32 (cutoff)

Clearly this is 85th percentile

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A company is reviewing a batch of 20 products to determine if any are defective. On average, 3.7% of products are defective. Does this situation describe a binomial experiment, and why? Pick What is the probability that the company will find 2 or fewer defective products in this batch? Ex: 1.23 % What is the probability that 4 or more defective products are found in this batch? Ex: 1.28 % If the company finds 5 defective products in this batch, should the company stop production? Pick v​

Answers

There is a 96.37% probability that the company will find 2 or more defective products.

There is a 2.08% probability that the company will find 4 or more defective products.

There is a 0.02% probability that the company will find 5 or more defective products. So company will give profit.

There are only two possible outcomes for each product: either it is defective or it is not. The binomial distribution is used to answer this question because each product's defect probability is independent of all other products.

Binomial probability distribution

The probability of precisely x successes on n repeated trials is known as the binomial probability.

[tex]P_x = \;^nC_r.p^x.q^{n-x}[/tex]

Where,

Px = binomial probability,

 [tex]\;^nC_r =[/tex] number of combination

p = probability of success on a single trial

q = probability of failure on a single trial = (1 - p)

n = number of trials

x = number of times for a specific outcome within n trials

So, from question,

20 products mean n = 203.7% of products are defective mean p = 3.7% = 0.037

1) The probability that, 2 or fewer defective products is;

P(X≤2) = P(X=0) +  P(X=1)+ P(X=2) -----------------(1)

So,

[tex]P_x = \;^nC_r.p^x.q^{n-x}[/tex]

P(X=0) = [tex]\;^{20}C_0.p^0.q^{20-0}[/tex] =  [tex]\; 1.(1-p)^{20-0}[/tex] = (1-0.037)²⁰ = (0.963)²⁰ =  0.4704

P(X=1) = [tex]\;^{20}C_1.p^1.q^{20-1}[/tex] =  [tex]\; 20.(0.037).(0.963)^{19}[/tex]  = 0.3614

P(X=2) = [tex]\;^{20}C_2.p^2.q^{20-2}[/tex] =  [tex]\;190\times(0.037)^2\times(0.963)^{18}[/tex] = 0.1319

Now, putting the all values in equation (1)

P(X≤2) = P(X=0) +  P(X=1)+ P(X=2) -----------------(1)

           = 0.4704 + 0.3614 + 0.1319

P(X≤2) = 0.9637 = 96.37%

There is a 96.37% probability that the company will find 2 or more defective products.

2)

1.23% are defective means p = 0.0123

The probability that find 4 or more defective products are;

 P(X≤4) = 1 - P(X< 4) -----------(2)

 P(X< 4) = P(X=0) + P(X=1)+ P(X=2) + P(X=3)-----------------(3)

So,

P(X=0) =  = [tex]\;^{20}C_0.p^0.q^{20-0}[/tex] =  [tex]\; (0.9877)^{20}[/tex] = 0.7807

P(X=1) = [tex]\;^{20}C_1.p^1.(1-p)^{20-1}[/tex] =  [tex]20\times (0.0123)\times (0.9877)^{19}[/tex] = 0.1944

P(X=2) = [tex]\;^{20}C_2.p^2.(1-p)^{20-2}[/tex] =  [tex]190\times (0.0123)^2\times (0.9877)^{18}[/tex] = 0.0024

P(X=3) = [tex]\;^{20}C_3.p^3.(1-p)^{20-3}[/tex] =  [tex]1140\times (0.0123)^3\times (0.9877)^{18}[/tex] = 0.0017

So,

P(X< 4) = 0.7807+0.1944+0.0024+0.0017 =0.9792

 P(X≤4) = 1 - P(X< 4) = 1 - 0.9792 = 0.0208 = 2.08%

There is a 2.08% probability that the company will find 4 or more defective products.

3)

1.28% are defective means p = 0.0128

The probability that find 5 or more defective products are;

 P(X≤5) = 1 - P(X< 5) -----------(4)

 P(X< 5) = P(X=0) + P(X=1)+ P(X=2) + P(X=3)+ P(X=4)-----------------(5)

So,

P(X=0) =  = [tex]\;^{20}C_0.p^0.q^{20-0}[/tex] =  [tex]\; (0.9872)^{20}[/tex] = 0.7728

P(X=1) = [tex]\;^{20}C_1.p^1.(1-p)^{20-1}[/tex] =  [tex]20\times (0.0128)\times (0.9872)^{19}[/tex] = 0.2004

P(X=2) = [tex]\;^{20}C_2.p^2.(1-p)^{20-2}[/tex] =  [tex]190\times (0.0128)^2\times (0.9872)^{18}[/tex] = 0.0246

P(X=3) = [tex]\;^{20}C_3.p^3.(1-p)^{20-3}[/tex] =  [tex]1140\times (0.0128)^3\times (0.9872)^{18}[/tex] = 0.0019

P(X=4) = [tex]\;^{20}C_4.p^4.(1-p)^{20-4}[/tex] =  [tex]4845 \times (0.0128)^3\times (0.9872)^{18}[/tex] = 0.0001

So,

  P(X< 5) = 0.7728+0.2004+0.0246+0.0019+0.0001 = 0.9998

  P(X≤5) = 1 - P(X< 5) = 1 - 0.9998 = 0.0002 = 0.02%

There is a 0.02% probability that the company will find 5 or more defective products. So company will give profit.

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2.
If a train travels between two cities in 3 hours at an average speed of 65 miles per hour, how long
would it take at an average speed of 80 miles per hour?

Answers

Answer:

At 65mph the car traveled 195 miles in 3hrs.

So divide 195 miles by 80mph to get 2.4375 hrs

At 65mph the car traveled 195 miles in 3hrs.

Given q = √(5p²-1)²-2 find p in terms of q.​

Answers

Answer:

[tex]\sf p =\sqrt{\dfrac{q+3}{5}}[/tex]

Step-by-step explanation:

To find p in terms of q, we have to isolate p.

[tex]\sf \sqrt{(5p^2 - 1)^2}-2 = q\\\\[/tex]

 5p² - 1 - 2 = q

      5p² - 3 = q

Add 3 to both sides,

              5p² = q + 3

Divide both sides by 5,

                [tex]\sf p^2 = \dfrac{q+3}{5}\\\\\text{Take square root,}\\\\p =\sqrt{\dfrac{q+3}{5}}[/tex]

FG is perpendicular to DM, if DF = 4R, FM = r + 21, and DF = FM, what is the value of R?

Answers

Answer:

(r+21 ) / 4

Step-by-step explanation:



as we can see DF = FM
and DF = 4R ,  FM =r+21

so,
4R = r+21
=> R= (r+21)/4

In August 2006, a report was issued about an Internet poll conducted on behalf of the Oxygen Television Network. The survey included 1400 women and 700 men, aged 15 to 49. The following is part of a press release about the findings.
"Apparently if it's a gadget, women gotta have it, according to a survey done by Oxygen Media, an American cable network owned and operated by women. The Women's Watch: Girls Gone Wired survey released in August indicates that 77 per cent of women fancy a new plasma TV over a diamond solitaire necklace, 78 per cent would rather have a sleek new cell phone than shoes, and 86 per cent would prefer a new digital video camera over designer footwear."
What can be said about these poll results?

Answers

Answer:

Results of the Assembly elections in five States are indeed a shot in the arm for the Bharatiya Janata Party (BJP), which won in all four States where it was in power. The Hindu editorial captures the broad trends that emerge out of these results. Prime Minister Narendra Modi has said these results have sealed the outcome of the 2024 Lok Sabha elections too in the BJP’s favour. He said people have rejected caste and dynastic politics.

Find the vertex of the quadratic function f(x)=(x+3)2−4

Answers

The vertex form of the quadratic equation is y + 4 = (x + 3)² and the vertex of the parabola is (h, k) = (- 3, - 4).

How to find the vertex of the parabola from the expression of a quadratic equation

Herein we find the expression of a quadratic equation in vertex form, whose definition is shown below:

4 · p · (y - k) = (x - h)²      (1)

Where:

h, k - Coordinates of the vertex.

p - Distance from the vertex to the focus.

Then, the vertex form of the quadratic equation is y + 4 = (x + 3)² and the vertex of the parabola is (h, k) = (- 3, - 4).

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Which of the following statements are true?
a) 25:35 = 45:55
b) 105: 30 = 49: 14
c) 45:48 = 60:64

Answers

Answer choice C is true.

HELP 50 POINTS (see image attached)
5
1
2
8
-2

Answers

The value of the function f(3) is 1

How to determine the value of f(3)?

The graph represents the given parameter

The value of f(3) implies that we calculate the value of the function when x = 3

From the graph, we have

f(x) = 1, when x = 3

This means that

f(3) = 1

The above is calculated by substituting 3 for x in the equation f(x) = 1

Hence,  the value of f(3) is 1

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Find the midpoint of a line segment with endpoints A(-5, 5) and B(2, -5).
Please help show your own work

Answers

Answer: (-1.5, 0)

Step-by-step explanation:

Use the midpoint formula, [tex](\frac{x_{1}+x_{2}}{2},\frac{y_{1}+y_{2}}{2})[/tex]. Plug in the points into the equation to get [tex](\frac{-5+2}{2},\frac{5-5}{2})[/tex] = (-1.5, 0)

Quantitative Reasoning :')

Answers

Answer:

Step-by-step explanation:

more taking a shower you use almost 3 gallons per a shower

Jill has 4 one-dollar bills, 3 quarters, 4 dimes, and 3 pennies. Mark has 3 one-dollar bills, 4 dimes, and 2 pennies. What is the difference between the amount of money Jill has and the amount of money Mark has? A B C $1.01 $1.76 $7.85 D $8.60.​

Answers

1.76, 4.98-3.22 4.98 is Jill’s money and 3.22 is marks

Answer: Answer choice 'B'

Step-by-step explanation:

4.00 + 0.75 + 0.40 + 0.03 = $5.18. This is Jill's amount.

3.00 + 0.40 + 0.02 = $3.42. This is Mark's amount.

To find out how much more money Jill has in comparison to how much mark has, we need to subtract Jill's money by Mark's money ($5.18 - $3.42)

if done correctly, your answer should be $1.76 (answer 'B')

f(x)=x 3 −9xf, Over which interval does f have a positive average rate of change?

Answers

The interval in which the function has positive average rate of change is x > √3

How to determine the interval which the function has positive average rate of change?

The function is given as

f(x) = x^3 - 9x

Differentiate the above function to determine the average rate of change

So, we have

f'(x) = 3x^2 - 9

Set the function to greater than 0

So, we have

3x^2 - 9 > 0

Add 9 to both sides

3x^2 > 9

Divide by 3

x^2 > 3

Take the square root of both sides

x > √3

Hence, the interval in which the function has positive average rate of change is x > √3

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Lesson 1.17
Quadrilateral ABCD is congruent to quadrilateral
A'B'C'D'. Describe a sequence of rigid motions that
takes A to A', B to B', C to C', and D.

please im begging you please help!!!

Answers

Answer:

You will translate A up until it is equal with A', then you will reflect the figure over the line of symmetry that will be half way between line segments CD and C'D'

Step-by-step explanation:

I am not sure if the polygon is drawn on a coordinate plane.  I cannot see any horizontal or vertical lines to tell you exactly how many units to move up.

Find the area of the shaded region. Help please!

Answers

[tex]\textit{area of a sector of a circle}\\\\ A=\cfrac{\theta \pi r^2}{360} ~~ \begin{cases} r=radius\\ \theta =\stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ r=10\\ \theta =85 \end{cases}\implies \begin{array}{llll} A=\cfrac{(85)\pi (10)^2}{360} \\\\\\ A=\cfrac{425\pi }{18}\implies A\approx 74.18~cm^2 \end{array}[/tex]

Find the slope P=(-4,-1) Q=(-3,-3)

Answers

The slope of  P=(-4,-1) Q=(-3,-3) is -2.

Given,

 P=(-4,-1)

Q=(-3,-3)

The  slope  between two points   P=(x₁, y₁)

Q=(x₂ ,y₂)

slope = (y₂-y₁)/(x₂-x₁)

So slope between  P=(-4,-1)   Q=(-3,-3) is

 [(-3)-(-1) ]/ [(-3)-(-4)]

=-2/1

=-2

A line's steepness and direction are measured by the line's slope. Without actually using a compass, determining the slope of lines in a coordinate plane can assist in forecasting whether the lines are parallel, perpendicular, or none at all.

Any two different points on a line may be used to compute the slope of any line. The ratio of "vertical change" to "horizontal change" between two separate locations on a line is calculated using the slope of a line formula.

The increase divided by the run, or the ratio of the rise to the run, is known as the line's slope. In the coordinate plane, it describes the slope of the line. Finding the slope between two separate locations and calculating the slope of a line are related tasks. In general, we require the values of any two separate coordinates of a line in order to determine its slope.

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Rank the magnitudes of the following magnetic fields from largest to smallest, noting any cases of equality. (a) the field 2cm away from a long, straight wire carrying a current of 3 A (b) the field at the center of a flat, compact, circular coil, 2cm in radius, with 10 turns, carrying a current of 0.3 A (c) the field at the center of a solenoid 2 cm in radius and 200 cm long, with 1000 turns, carrying a current of 0.3A (d) the field at the center of a long, straight, metal bar, 2 cm in radius, carrying a current of 300 A (e) a field of 1 mT the ratio, or current assets divided by current liabilities, is used to evaluate a company's ability to pay its short-term obligations. An object of known mass that can be used to establish uncertainty in measurements made with a balance is best described as a. Complete the problems. Find the a) employees total annual contribution, and b) employees monthly deduction. 1. Dorsey Williams has a single plan. His PPO annual premium is $4,325. His employer pays 65% Common noun of red ribbon priya and tyler are discusising the figures shown below . priya thinks that b,c and d are scaled Sophia need to earn at least 1,800 each month to cover her living expenses.what is the minimum amount she needs to sell in order to earn at least 1,800 if she earn a 10.75commission on everything she sells?round to the nearest dollar Under the allotment system, many American Indian families when people make choices that will give them the greatest amount of satisfaction at a particulartime based on the information they have at their disposal, it is called: Constructing Compound Sentences to Add MeaningEach pair of sentences can be combined to create one compound sentence. Determine which' choice best combirhem.Refinishing furniture is a creative hobby. Not everyone loves to scour garage sales to find old items.Going to flea markets can help you to notice unique qualities in used items. Beauty can be found where you leastexpect it.Specialized equipment can make the refinishing process easier. Painting the furniture can be creative with the righttools.Some people like refinishing old furniture. Others prefer buying new items. to find the masses of both stars in a binary system, you must find the of each star, the of the orbit, and the average between the stars. A polystyrene cup is used to minimise thermal energy loss.a. Explain why it is important to take steps to minimise thermal energy loss.b. How else could thermal energy loss be minimised in this experiment?PLEASE HELP sorry i dont know how to do this One likely reason bacteria would be grown in laboratory cultures would be to(1). Increase the number of antibiotics produced by human cells (2) Eliminate the cloning of cells that ean flight disease(3) increase the production of specialized proteins by using genetic engineering(4) decrease the amount of bacteria naturally present in organisms Because bacteria frequently grow on poorly stored food, this often leads to what? 2x-y if x =3 and y = 8 soaring toward the light.Should the writer make this revision? k/3+16 algebraic expression (05.03)bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate the area of the polygon. be sure to show all your work and explain your answer. six-sided polygon that includes two isosceles right triangles, one with height and base of 15 feet, the other height and base of 4 feet, and one rectangle measuring 25 feet by 4 feet. "if a son has struck his father, they shall cut off his hand. if a nobleman has destroyed the eye of a member of the aristocracy, they shall destroy his eye." which principle of babylonian society does this excerpt from the code of hammurabi illustrate?