Value of (64/25)^-1/2

Answers

Answer 1

final answer:

Hence, the simplest form of (64/25) -1/2 is 5/8

Value Of (64/25)^-1/2

Related Questions

Erin wants to buy a dictionary that costs $12, a dinosaur book that costs $16, and a
children's cookbook that costs $11. She has saved $29 from her allowance. How much
more money does Erin need to buy all three books?

Answers

Answer:

Erin would need $10 more dollars in order to buy all three books.

Step-by-step explanation:

Step one: find the cost of all books

12 +16 +11 = 39

Step two: subtract

39 -29 = 10

Step two: Get your Answer!

Erin would need $10 more dollars in order to buy all three books.

Math trigonometry non right angle help please
ong please guys

Answers

well, as I said a while back, Heron's Area formula works for any triangle, so long we have all sides, and in this case we do, since it's not a right-triangle SOH CAH TOA won't work, so let's plug the values in Heron's

[tex]\qquad \textit{Heron's area formula} \\\\ A=\sqrt{s(s-a)(s-b)(s-c)}\qquad \begin{cases} s=\frac{a+b+c}{2}\\[-0.5em] \hrulefill\\ a = 12\\ b = 8\\ c = 6\\ s=\frac{12+8+6}{2}\\ \qquad 13 \end{cases} \\\\\\ A=\sqrt{13(13-12)(13-8)(13-6)} \implies A=\sqrt{13(1)(5)(7)} \\\\\\ A=\sqrt{455}\implies {\Large \begin{array}{llll} A\approx 21.33 \end{array}}~cm^2[/tex]

Shawn had some nickels in a jar. He put 147 nickels in the jar. Now there are 435 nickels in the jar. How many nickels were in the jar at the start?
Responses

A 288288

B 218218

C 312312

D 398398

Answers

Answer:

A

288 nickels

Step-by-step explanation:

There are now 435 nickels, after he put in 147. To find the answer, we need to find what the amount of nickels was before Shawn put in the 147. So, we need to subtract 147 from 435.

435 - 147 = 288

So, there were 288 nickels in the jar at the start.

after begging his parents for 3 years, jason is finally going to clown college! on the first day, his juggling instructor divides a box of bean bags equally among the 16 clowns in jason's class. each clown gets 6 bean bags. which equation can you use to find the number of bean bags b in the instructor's box?

Answers

The equation that can be used to determine the number of bean bags in the instructor's box is b = 17 x 4.

Given,

In the question:

His juggling instructor divides a box of bean bags equally among the 16 clowns in Jason's class. each clown gets 6 bean bags.

Now, According to the question:

The equation that can be used to determine the number of bean bags in the instructor's box is b = 16 x 6.

The number of bean bags in the instructor's box is 96.

What is multiplication?

Multiplication is a mathematical operation that can be used to determine the product of two or more numbers. The sign used to represent multiplication is ×.

Hence, The equation that can be used to determine the number of bean bags in the instructor's box is b = 17 x 4.

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1-8: MathXL for School: Practice & Problem Solving
0 Assignment is past due (10/27/22 11:59pm)
Question Help
The populations of Cities A and B are 3.7 x 105 and 2,115,000, respectively. The population of City C is twice the population
of City B.
The population of City C is how many times the population of City A?
1.8.PS-15
The population of City C is times the population of City A.
(Round the final answer to the nearest whole number as needed. Round all intermediate values to the nearest tenth as needed.)

Answers

Answer:

  11

Step-by-step explanation:

You want the ratio of the populations of city C and city A, given city C is 2 times the 2,115,000 population of city B, and city A's population is 3.7×10⁵.

Evaluation

The ratio of interest is ...

  2B/A = 2(2115000)/(3.7×10⁵)

A calculator provides an easy answer to the value of this expression. (See attached.)

City C is about 11 times the population of City A.

__

Additional comment

If you want to work this out "by hand", you will need to find the quotient of ...

  4230000/370000 = 423/37 = 11 17/37 ≈ 11

because 17/37 < 1/2.

Find the nth term of the sequence 90,81,72,63

Answers

Answer: 9.

Step-by-step explanation:

These are all multiples of 9, meaning that they can all be divided by 9 into a whole number.

90/9 =10

81/9 =9

72/9 =8

63/9 =7

Answer:

9:N

Step-by-step explanation:

90-9=81

81-9=72

72-9=63

The same number (9) is used to fing the sum of the next number in the sequence therefore that is your nth term

Find the component form of the vector that translates (3, − 2) to ′(− 1, 4)

Answers

The vector that translates P to P' is (-4 , 6)

What is a translation?

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction either in it’s range(involving values of y) or in it’s domain(involving values of x).

The points are given;

[tex]{P = (3, -2)}\\{P' = (-1, 4)}[/tex]

The translation rule is calculated as:

{(x,y) = P' - P}

So, we have:

{(x,y) =(− 1, 4) - (3, − 2)}

Combine the terms;

{(x,y) = (-1 -3 , 4 + 2)}

{(x,y) = (-4 , 6)}

Express as vectors;

(x, y) = (-4 , 6)

Hence, the vector that translates P to P' is  (-4 , 6)

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A certain brand of coffee comes in two sizes. An 11.5-ounce package costs 3.19. A 30.6-ounce package costs 7.98. Find the unit price for each size. Then state which size is the better buy based on the unit price. Round your answers to the nearest cent.

Answers

The size that is the better one is 30.6-ounce package costs 7.98.

How to calculate the cost?

The 11.5-ounce package costs 3.19. The price per package will be:

= 3.19 / 11.5

= 0.27

A 30.6-ounce package costs 7.98. The cost per package will be:

= 7.98 / 30.6

= 0.26

In this case, it should be noted that the cheaper one.is the better buy. This was illustrated as the 30.6-ounce package costs 7.98.

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find the distance when r=55 mi/hr and t =3

Answers

The distance when r = 55 mi/hr and t = 3 hours is 165 miles .

In the question ,

it is given that ,

r = 55 mi/hr which means the speed is 55 mi /hr

t = 3 hours , which means time = 3 hours .

we need to find the distance when r=55 mi/hr and t =3 hours .

the formula to calculate the distance is written as

distance = Speed × time

Substituting the value of speed = 55 and time = 3 ,

we get ,

distance = 55 × 3

distance = 165 miles .

the distance is 165 miles .

Therefore , The distance when r = 55 mi/hr and t = 3 hours is 165 miles .

The given question is incomplete , the complete question is

Find the distance when r=55 mi/hr and t = 3 hours ?

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Please answer this question, URGENT 50 POINT

Answers

Answer: Use your brain aka 12 and 7

Step-by-step explanation:isn't this urgent?

Find f(x) +g(x) if f(x)=10-3 and g(x)=-x+3

Answers

Answer:

10 - x

Step-by-step explanation:

Since f(x) = 10 - 3, we can replace the "f(x)" in the equation with "10 - 3". Likewise, we can replace the "g(x)" in the equation with "-x + 3" because g(x) = -x + 3:

10 - 3 - x + 3

7 - x + 3

10 - x

if amy has 17 apples and gave 9 to jacob how may does amy hve if she goes to the store and buys 78 more?

Answers

Answer:You should have learnt this in kindergarten yet you're in high school, the answer is 86

Eric rode his small motor bike 5 4/5 miles in 1/3 of an hour what is his average speed per mile

Answers

The Average speed is 17.4 mph.

What is Average speed?

The average speed is calculated by dividing the total distance travelled by the total amount of motion time.

The overall distance the object covers in a given amount of time is its average speed. A scalar value represents the average speed. It has no direction and is indicated by the magnitude.

Average speed = Distance travelled/ Time taken

Given:

Distance = 5 4/5 = 29/5 miles

Time= 1/3 hours

So, Average speed = Distance travelled/ Time taken

Average speed= 29/5 x 3/1

                         = 87/5

                         = 17.4 mph

Hence, the Average speed is 17.4 mph.

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Use the Law of Detachment to draw a conclusion from the two given statements.
If two angles are complementary, then the sum of their measures is 90°.

Answers

The Law of detachment states that if m then n and m is true then q is true.

If two angles are complementary, then the two angles' sum is 90 degrees.

This is m∠E + m∠F = 90.

Option C is the correct answer

What is the law of detachment?

The Law of detachment states that if m then n and m is true then q is true.

We have,

If two angles are complementary, then the sum of their measures is 90°.

This is in the form of,

If M then N and if M is true then N must be true.

So,

If two angles are complementary, then the two angles' sum is 90 degrees.

If the two angles are m∠E and m∠F.

m∠E + m∠F = 90

Thus,

If two angles are complementary, then the two angles' sum is 90 degrees.

This is m∠E + m∠F = 90.

Option C is the correct answer

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Jacob reduced the size of a painting to a width of 3. 2 inches. What would be the new height if the painting was originally 42. 88 inches in width and 33. 5 inches tall?.

Answers

The new height of painting by Jacob will be 2.5 inches.

The ratio and proportion will be used to relate the original and reduced dimensions of painting. The original width and height = 42.88/33.5. Let us assume the new height be x. So, new width and height = 3.2/x. Equating these two fractions -

42.88/33.5 = 3.2/x

Rewriting the equation according to x

x = (3.2 × 33.5) ÷ 42.88

Performing multiplication in numerator

x = 107.2 ÷ 42.88

Performing division on Right Hand Side of the equation

x = 2.5

Thus, the new height will be 2.5 inches.

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a fruit basket contains apples, oranges, and tangerines in the ratio 3:2:5, respectively. what is the total number of apples, oranges, and tangerines in the fruit basket?

Answers

The total number of apples, oranges, and tangerines in the fruit basket is in the ratio 10 or 10x

In mathematics, a ratio is a comparison of two or more numbers that indicates their sizes in relation to each other.

A ratio compares two quantities by division, with the dividend or number being divided termed the antecedent and the divisor or number that is dividing termed the consequent.

We know that : the ratio of apples : oranges : tangerines = 3 : 2 : 5.

The total number of apples, oranges, and tangerines in the fruit basket is the total number of ratio, that is 3 + 2 + 5 = 10.

Because of the question is not contain information about the number of pieces, we can describe the dividend with x (or unknown value). So, the total number of apples, oranges, and tangerines in the fruit basket with ratio, that is 10 or 10x.

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What is the converse of the conditional statement "If the streetlights are on, then the sun has gone down."?
O If the sun has gone down, then the street lights are on.
O If the streetlights are not on, then the sun has gone down.
O If the streetlights are not on, then the sun has not gone down.
If the sun has not gone down, then the streetlights are on.

Answers

The converse of the conditional statement "If the streetlights are on, then the sun has gone down" is If the sun has not gone down, then the streetlights are on and is denoted as option D.

What is Converse of the conditional statement?

This is referred to as the type of sentence which is formed when the hypothesis and the conclusion are interchanged.

In this scenario, "If the streetlights are on, then the sun has gone down" when interchanged will be  If the sun has not gone down, then the streetlights are on which therefore makes option D the correct choice.

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Please help me please

Answers

The value of all the missing angles is in the measure of m∠1 = 88°, m∠2 = 42°, and m∠3 = 113°.

We know that,

Sum of all angles of triangle = 180°.

Therefore, m∠3 + 42° + 25° = 180°.

m∠3 = 180° - 67°

m∠3 = 113°

Vertical angles: Vertical angles are the angles that are opposite to each other when two lines cross.

We know that,

Vertical or opposite angles have equal measures.

So, 42° and m∠2 are vertical or opposite angles.

Therefore, the value of m∠2 = 42°.

Similarly, for m∠3, We know that,

Sum of all angles of triangle = 180°.

∴ ∠1 + ∠2 + 50° = 180°.

=> ∠1 + 42° + 50° = 180°

=> m∠1 = 88°.

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In Cedarburg, the library is due south of the courthouse and due west of the community
swimming pool. If the distance between the library and the courthouse is 12 kilometers and
the distance between the courthouse and the city pool is 13 kilometers, how far is the library
from the community pool?
kilometers

Answers

The library is 5 kilometres far from the community pool.

According to the Pythagoras theorem, the square of the hypotenuse of a triangle, which has a straight angle of 90 degrees, equals the sum of the squares of the other two sides. Look at the triangle ABC, where BC² = AB² + AC² is present. The base is represented by AB, the altitude by AC, and the hypotenuse by BC in this equation.

The distance between the courthouse and the library is 12 kilometres and the distance between the courthouse and the city pool is 13 kilometres. Let the distance between the library and the community pool be x and it can be observed that the Courthouse, library and Community hall form a sort of right-angled triangle

So, using Pythagoras theorem, we get

[tex]13^2=x^2+12^2\\x^2=169-144\\x^2=25\\x=5 km[/tex]

So, the library is 5 kilometres far from the community pool.

Therefore, the distance between the library and the community pool is 5 kilometres.

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wer:
Find the slope of the line that passes through the given points.
(-3, 7.2) and (2,-2.3)

Answers

Answer:

Step-by-step explanation:

this slope of a line question is such a common question.  I feel like math teachers all over don't understand how to teach this subject.  Just so you know,  I answer a question like this about 10 times a day when I am on here.  It's like one of the most common questions.  

Here is my copy and paste answer for this...

point P1 (-3,7.2)  in the form (x1,y1)

point P2(2,-2.3)  in the form (x2,y2)

slope = m

m = (y2-y1) / (x2-x1)

m = (-2.3-7.2) / (2-(-3))

notice all the minus signs and how i'm being very careful to keep close track of them.  Also, who ever has written this question is intentionally trying to trip you up by putting in all the minus signs,  there is no need for so many minus signs to teach this well.  Anyway...

m = -8.5 / 5

m = - 1.7

the problem question ends there , but there is a common place this question is supposed to take you.   to the point slope formula.  but for another question.

The slope of (-3, 7.2) and (2, -2.3) is -1.9.

Consider,

(x1, y1) = (-3, 7.2)

(x2, y2) = (2, -2.3)

slope = (y2 - y1)/(x2-x1)

slope = ((-2.3) - (7.2))/((2) - (-3))

slope = (-9.5)/(5)

slope = -1.9

Therefore, the slope of the given points (-3, 7.2) and (2, -2.3) is -1.9.

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I need help please!!!!!!!

Answers

the slope of the given point is m=9

Davis digs a hole at a rate of 3/4 feet every 10 minutes. After digging for 40 minutes, Davis places a bush in the hole that fills exactly 7/8 feet of the hole.
Relative to ground level, what is the elevation of the hole after placing the bush in the hole?
Enter your answer as a simplified fraction. NOT MIXED NUMBER

Answers

The elevation of the hole after placing the bush in the hole is 17/8 feet

How calculate the elevation of the hole after placing the bush in the hole?

Given: Davis digs a hole at a rate of 3/4 feet every 10 minutes

After digging for 40 minutes, Davis places a bush in the hole that fills exactly 7/8 feet of the hole

This involves subtraction and multiplication of fractions

Since the rate of digging = 3/4 feet every 10 minutes

Thus, after digging for 40 minutes, the depth will be:

3/4 × 4 = 3 feet

If Davis places a bush in the hole that fills exactly 7/8 feet of the hole, the remaining depth or elevation will be:

3 feet - 7/8 feet = 17/8 feet

Therefore,  after placing the bush in the hole, the elevation of the hole is 17/8 feet

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5,10,20 Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in simplest form.

Answers

The given sequence is geometric sequence not arithmetic.

What is arithmetic sequence?

An arithmetic sequence is a sequence in which the difference between every two consecutive terms is constant

What is the geometric sequence?

A geometric sequence is a sequence in which each term is found by multiplying the preceding term by the same value. It is found by taking any term in the sequence and dividing it by its preceding term.

Difference between arithmetic and geometric sequence:

An arithmetic sequence has a constant difference between each consecutive pair of terms

while

A geometric sequence has a constant ratio between each pair of consecutive terms.

Here, we have a sequence 5,10,20.

So a₁ = 5, a₂ = 10, a₃ = 20

Difference = a₃- a₂ = 20 - 0 = 10

                    a₂ - a₁ = 10 - 5 = 5

Since the difference is not constant, therefore the given sequence is not arithmetic.

Now ratio a₃/a₂ = 20/10 =2 and a₂/a₁ = 10/5 =2 which is same which shows the sequence is geometric.

Therefore, the sequence is geometric sequence.

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Which of the following is NOT a solution to -4x + 9 > -3

A: -3
B: -1
C: 3
D:5

Answers

Answer:

D

Step-by-step explanation:

-4x + 9 ≥ -3  Subtract 9 from both sides

-4x ≥ -12  Divide both sides by -4.  When you divide both sides by a negative number, you must flip the inequality sign.

x ≤ 3

D: 5 is not a solution.

Answer:

D) 5

Step-by-step explanation:

To solve this problem, we must first isolate the variable and simplify the inequality. Isolating the variable means having the variable on one side of an equation or inequality without any other terms?

How do you isolate a variable?

Here's an example.

x+3=18

What can we do to have x on its own side of the equation? Currently, 3 is also with it. If we subtract 3 on both sides, we are leaving the equation with the same answer.

x + 3 - 3= 18 - 3

Combine like terms.

x = 21

That's how you solve for an equation.

Next, an example with division.

3x = 21


How do we solve for x this? Well, we know that 3x = 3 times x. So, to solve for x, we remove the 3. Since its 3 times x, lets divide by 3 on both sides.

[tex]\frac{3x}{3} =\frac{21} {3}[/tex]

Simplify:

3x/3 means 3 times x divided by 3. 3/3 = 1

1x = 21/3

21/3 = 7

x = 7

Now lets get to the problem.

[tex]-4x + 9 \geq -3[/tex]

The first step is to subtract by 9 on both sides so we can work our way to isolating the variable and solving the problem.

[tex]-4x + 9 -9\geq -3 - 9[/tex]

Simplify.

[tex]-4x \geq -12[/tex][tex]-4x \geq -12[/tex]

Now heres the tricky part. To solve for an equation, we must remove -4 from x, or -4 times x. In an equality, which states that:

A [tex]\geq , \leq , > , or < B[/tex]

If you divide or multiply both sides by a negative number, which means the number is less than 0, you must flip the sign!

When you multiply/divide by a negative number or both sides in an equality:

[tex]\leq[/tex] [tex]\geq[/tex]

[tex]\geq[/tex] [tex]\leq[/tex]

> <

< >

So, we currently have:

[tex]-4x \geq -12[/tex]

Divide by -4 on both sides.

[tex]\frac{-4x}{-4} \geq \frac{-12}{-4}[/tex]

Simplify. (Use the rule which states that a negative number multiplied or divided by another negative number equates to a positive number).

[tex]x \geq 3[/tex]

Flip the sign (This is a crucial step!)

[tex]x \leq 3[/tex]

Now, [tex]x \leq 3[/tex] means any number equal to or lower than 3 satisfies the conditions of the inequality.

Is -3 lower than or equal to 3?

Yes; Lower

Is -1 lower than or equal to 3?

Yes;

Is 3 lower than or equal to 3?

Yes; Equal

Is 5 lower than or equal to 3?

No; Greater

D, 5 is your answer as it does not satisfy the inequality.

How much would you subtract from the grouping?

(4 – 2)4 – 42 × 4

Answers

Answer:

-160 I think so

Step-by-step explanation:

(2)4-168

8-168

-160

What is the slope of the line represented by the equation 2x-5y=9

Answers

The slope of the line represented by the equation  2x - 5y = 9 is 2/5  .

In the question ,

it is given that ,

the equation of the line is  2x - 5y = 9  .

we know that the equation of the line is represented as y = mx + c ,

where slope of the equation is  "m" .

So , rewriting  2x - 5y = 9 in the form of y = mx + c ,

w get ,

2x - 5y = 9

5y = 2x - 9

dividing both sides of the equation 5y = 2x - 9 by 5 ,we get

y = 2/5x - 9/5

y = (2/5)x - 9/5

the slope is = 2/5 .

Therefore , The slope of the line represented by the equation  2x - 5y = 9 is 2/5  .

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princeton pretzels picks a package box A 6in 7in 6in box B 3in 8in 9in calculate the volume of each box answer

Answers

Answer:

box a - 252 inches squared (6 x 7 x 6)

box b - 216 inches squared (3 x 8 x 9)

Step-by-step explanation:

Today, Austin's age

is 1/4 of Stephanie's

age. In 4 years,

Austin's age will be

2/5 of Stephanie's age.

How old is Stephanie

today?

Answers

Answer: Steph is 16 today

Step-by-step explanation:

Austin age today = x

Austin in 4 years = x+4

Steph age today = 4x (because Austin is 1/4 her age today)

Steph age in 4 years is 4x + 4

In 4 years Austin's age is 2/5 of Steph's, so:

2/5 (x+4) = 4x + 4

Now solve for x!

x+4 = (8/5)x + 8/5

12/5 = (3/5)x

Therefore Austin is 4 years old today (x=4) and...

Steph age today = 4x = 4x4 = 16

a sample survey interviews an srs of 209 college women. suppose that 69% of all college women have been on a diet within the last 12 months. what is the probability that 72% or more of the women in the sample have been on a diet? report your answer using 4 decimal places.

Answers

The probability that 72% or more of the women in the sample have been on a diet is, 0.1736.

What is probability?

Probability is a way to gauge how likely something is to happen. Many things are difficult to forecast with absolute confidence. Using it, we can only make predictions about the likelihood of an event happening, or how likely it is.

As given a sample survey interviews an SRS of 209 college women. suppose that 69% of all college women have been on a diet within the last 12 months.

p = 0.69

1 - p = 0.31

n = 209

μp = p = 0.69

σp = √(p(1-p))/n = √(0.69*0.31)/209 = 0.03199

= 1 - p(p < 0.72)

= 1 - p((p - μp) / σp < (0.72 - 0.69) / 0.03199)

= 1 - p(z < 0.94)

= 1 - 0.8264

= 0.1736

Hence, the probability is 0.1736.

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8x + 5° + 3x + 8° =90

Solve for x pls <3

Answers

Answer: x=7°

Combine like terms and divide.

8x+5°+3x+8°=90°

(8x+3x)+(5°+8°)=90°

11x+13°=90°

-13°       -13°

11x=77°

[tex]\frac{11x}{11} =\frac{77}{11}[/tex]

x=7°

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Anatomy and physiology can be classified as ____ science A. behavioralB. lifeC. physicalD. formal which of the following can be classified as data reduction techniques? a. cluster analysis b. sampling c. data visualization d. none of the above 7. problems and applications q3 the problem of time inconsistency applies to fiscal policy as well as to monetary policy. suppose the government announced a reduction in taxes on income from capital investments, such as new factories. if investors believed that capital taxes would remain low, the government's action would cause the level of investment to . after investors have responded to the announced tax reduction, the government can get more tax revenue by taxes on income from capital investments. true or false: given your answer to the preceding part, investors would not believe the government's announcement. true false A pitcher full of water weighs 8.34 pounds. Lisa will carry 5 pitchers on a cart and deliver them to tables. About how much would 5 pitchers of water weigh? create a traffic light control program that will do the following things: 1. remove the traffic control logic from the main program. 2. add methods to the traffic light objects that will (1) allow them to talk to each and (2) control how they display green / yellow / red. What is the total number of atoms contained in 2 moles of iron On the morning of July 15, 2006, fourteen school buses were vandalized. The buses, property of WaltWhitman Middle School, were parked in the "bus barn" in on campus. The vandals spray-painted the buses withpictures of dogs. Dogs happen to be the mascot of rival school Edgar Allan Poe Academy. This has led someto believe that some students from EAPA may be the culprits in the incident. Says the mother of one WaltWhitman student, "Oh, yeah, the [Edgar Allan) Poe [Academy) kids are definitely responsible. Those kids don'thave any discipline, and they're still stewing over the loss of last week's football game." Police, however, saythat they currently have no suspects.Which of the following best describes the purpose of this article?O to convince the audience that the bus vandalism had a negative effect on the communityO to inform the audience of the events that occurred on the morning of July 15thO to entertain the audience with an exciting story about the bus vandalism scandalO to inform the audience about the rivalry between Whitman and Poe students and warn them of potential effects of this rivalryo to convince the audience that Poe Academy students were to blame for the incident unlike the debt coverage ratio, the debt yield ratio (dyr) is not affected by the interest rate or amortization period of the loan; the dyr is simply a measure of how large the noi is relative to the loan amount. lenders who rely on this ratio are typically willing to accept a minimum dyr of: Write the net ionic equation for the reaction between copper and AgC2H3O2 Who is the president pro tempore of the senate? A sample of gas has a volurne of 215cm^(3) at 23.5\deg C and 84.6kPa. What volume will the gas occupy at STP? what is perceptual learning? a. learning that results from the pairing of a stimulus and a response b. learning the occurs without the individual attempting to learn c. learning that results from the pairing of two stimuli d. learning that occurs when our perception changes as a result of experience A polygon has 7 sides. The interior angle measures are 130, 118, 135, 128, 126, 134, and x. Find the value of x. How do I do this?Given an integer array nums, return a new array with a length of nums.length*2 where each element in nums appears twice in a row.doubleElements([2, 3, 5, 4]) [2, 2, 3, 3, 5, 5, 4, 4]doubleElements([1, 2, 2, 3, 4, 4, 5, 6]) [1, 1, 2, 2, 2, 2, 3, 3, 4, 4, 4, 4, 5, 5, 6, 6]doubleElements([1, 2, 3, 4, 5, 6]) [1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6]I was given the layout of how the code would look but I'm baffled on what to put in the ??? that will return an array that has a duplicate of a previous element.ex: [2,3] = [2,2,3,3]public int[] doubleElements(int[] nums){ int[] ans = new int[nums.length*2]; for(int i = 0; i < nums.length; i++){ ans[??] = nums[i]; ans[??] = nums[i]; } return ans;} Answer the following question in 3-4 complete sentences.Define the following terms:- relief- ground- etch Can someone tell me the answer piz _ Each day, Maria walks from home to school and then from school to home. The graphs that follow show the distance thatMaria is from home at different times during the walk.Match the graphs to the descriptions of Marias walk shown to the right of the graphs. Next to each graph, enter the letter (A,B,C,D) of the description that best matches the graph.