Match each polynomial in the first column with a factoring technique in the second column. If none of the techniques can be used to factor the polynomial, select none.

Match Each Polynomial In The First Column With A Factoring Technique In The Second Column. If None Of

Answers

Answer 1

The factorization case for each polynomial is listed below:

Sum and product Grouping Perfect square trinomial Difference of two squares None GCF

How to identify the factorization case of a given polynomial

In this problem we find six cases of polynomials, whose factorization case must be found. Now we proceed to show and indicate what kind of factorization case is used for each polynomial:

Case 1: z² + z - 90 (Sum and product)

z² + z - 90

z² - (- 10 + 9) · z + (- 10) · 9

(z + 10) · (z - 9)

Case 2: x² - 4 · x + 6 · x - 24 (Grouping)

x² - 4 · x + 6 · x - 24

x · (x - 4) + 6 · (x - 4)

(x + 6) · (x - 4)

Case 3: 16 · x² + 24 · x · y + 9 · y² (Perfect square trinomial)

16 · x² + 24 · x · y + 9 · y²

(4 · x + 3 · y)²

Case 4: 49 · x² - 100 · y² (Difference of two squares)

49 · x² - 100 · y²

(7 · x - 10 · y) · (7 · x + 10 · y)

Case 5: 121 · m² + 64 (None)

Case 6: 8 · x³ · y² + 4 · z³ (GCF)

8 · x³ · y² + 4 · z³

4 · (2 · x³ · y² + z³)

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Related Questions

a soup can has a diameter of 278 inches and a height of 414 inches. how many square inches of metal are required to make the soup can?

Answers

Are required 482,972.60 in^2 of metal to make the soup can

What is the area?

Is the measure of the space occupied by a body bounded by an environment called perimeter, the same is expressed in units of squared side. Example: ft^2, m^2

The formula and procedure to solve this geometry exercise is:

A= (2* π *r * h) + (2 * π * r²)

Where:

A = areah = height r = radius

Problem information:

d = 278 inh = 414 inA = ?

Using the formula of the cylinder area we get:

A= (2* π *r * h) + (2 * π * r²)

A= [2* π *(278/2) * 414] + [2 * π * (278/2)²]

A= [2* π *(139) * 414] + [2 * π * (139)²]

A= [2* π *(139) * 414] + [2 * π * (139)²]

A = 361575.18 in^2 + 121397.42 in^2

A = 482,972.60 in^2

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A home was bought 4 years ago. The purchase price was $92,000 and the buyer made a down payment of $11,000. The current loan balance is $79,000. The house was recently appraised for $116,000. What is the equity?

a)13,000
b)24,000
c)35,000
d)37,000

Answers

If the current loan balance is $79,000 and the house was recently appraised for $116,000, the equity in the house would be worth d) $37,000.

The home was bought at a price of $92,000 and a down payment of $11,000 was made. It is also given that the current loan balance is $79,000.

Also, the house was recently appraised for $116,000. We are asked to calculate the equity.

Now, equity is defined as the sum of money the owner of an item would receive if they sold it and all associated debts were settled is known as equity. For example, if one person owns a house which has a value of $100,000 and he has a mortgage of $40,000. Then, the equity in the home would be worth $60,000.

Here, in this question, the current debt is $79,000 and the current value of the house is $116,000.

So, the equity in the home would be:

                      Equity = 116,000 - 79000 = $37,000

Hence, the equity in the house would be worth $37,000.

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state where in the ty plane the hypothesis of theorem are satisfied

Answers

The ty plane the hypothesis of theorem are satisfied

The hypothesis of a theorem is a statement or assumption that is made in order to prove a mathematical result.

The hypothesis of the Tychonoff theorem is satisfied in a variety of different spaces, including compact spaces and metrizable spaces.

This theorem is important because it provides a useful tool for understanding the properties of topological spaces, which are spaces that have certain structures that allow for the study of continuous functions and mappings.

In summary, the hypothesis of the Tychonoff theorem is a necessary condition for the theorem to be proven and is satisfied in a variety of different spaces.

Understanding the hypothesis and the spaces in which it is satisfied is crucial for understanding the theorem and its applications in mathematics.

Complete Question:

State where in the ty-plane the hypotheses of Theorem

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proms friend gives him a row of pascal’s triangle and asks which row it comes from. prom adds the numbers and obtains a sum of 65 536. which row do the numbers come from? 34 18 17 16

Answers

The correct answer is row number 16 since the sum is 65536 in

pascal's triangle which equals to the 2 power of 16 , that is 4th option.

Pascal's triangle, in algebra, a triangular arrangement of numbers that gives the coefficients in the expansion of any binomial expression, such as (x + y)n. This triangle is the triangular array of numbers that begins with 1 on the top and with 1's running down the two sides of a triangle. In any row of Pascal's triangle, the sum of the first, third, fifth, … numbers is equal to the sum of the second, fourth, sixth numbers.

(1+x)n=(n0)+(n1)x+(n2)x2+⋯+(nr)xr+⋯+(nn−1)xn−1+(nn)xn.

We know that , 2^16 = 65536

Therefore, the numbers come from the row number.16

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Given that the econd term of a equence i 8 and the fourth term i 2, Franci wrote the explicit rule an = 4 · ( 1 4 )n − 1 for the equence. Complete the explanation of hi error

Answers

Francis made an error in writing the explicit formula. The correct formula should be an = 4 * (1/4)⁽ⁿ⁻¹⁾, not an = 4 * (1/4)ⁿ⁻¹. The exponent should be (n-1), not just n, to correctly represent the sequence where the second term is 8 and the fourth term is 2.

Explicit Formula Error Correction

To determine the error in Francis' formula, we need to apply it to the known terms of the sequence and see if it produces the correct values. For example, for the second term, n = 2, so using Francis' formula:

an = 4 * (1/4)⁽ⁿ⁻¹⁾ = 4 * (1/4)¹ = 4 * 1/4 = 1

But the second term of the sequence is 8, not 1. So the formula is incorrect.

Similarly, for the fourth term, n = 4, so using Francis' formula:

an = 4 * (1/4)⁽ⁿ⁻¹⁾ = 4 * (1/4)³ = 4 * 1/64 = 1/16

But the fourth term of the sequence is 2, not 1/16. So the formula is still incorrect.

Therefore, we can conclude that the formula written by Francis is not correct and needs to be corrected to accurately describe the sequence.

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Write the numbers 2001, 2002, 2003, 2004, 2005, and 2006 into the circles so that the
sum of the numbers on a side of the triangle is always the same, and this sum is as
great as possible.

20 POINTS

Answers

Answer:

To find the numbers 2001, 2002, 2003, 2004, 2005, and 2006 into the circles so that the sum of the numbers on a side of the triangle is always the same, we can start by finding the average of the numbers:

(2001 + 2002 + 2003 + 2004 + 2005 + 2006) / 6 = (12,016) / 6 = 2004

Next, we can place the numbers around the average so that the sum of the numbers on a side of the triangle is as great as possible:

2004

2006 2005

2003 2002 2001

In this configuration, the sum of the numbers on each side of the triangle is 6021.

A triangle having area of √135 square meter and perimeter 18 meter has a side 4 meter. Find the measurement of the remaining two sides.

Answers

The measurement of the remaining two sides of the triangle be 4cm and 6cm.

How to find the measurement of the remaining two sides of the triangle?

Given :- Perimeter of triangle = 18m.

Area of triangle = √135m².

One side of triangle = 8m.

Triangle  is a plane figure with three straight sides and three angles.

Let the equation be Area of ∆ = 1/2bh

= 1/2 ab sin C = 1/2 bc sin A = 1/2 ca sin B

= √( s(s-a)(s-b)(s-c) ) [ where s = (a + b + c)/2 ]

By using Heron's formula to get the Area of triangle,

s = (Perimeter /2) = (18/2) = 9m.

Putting values now we get :-

√(s(s-a)(s-b)(s-c) ) = √135

substitute the values in the above equation, we get

√[9(9-8)(9-b)(9-c)] = √135

Squaring Both sides we get,

9 × 1 × (9-b)(9-c) = (√135)² = 135

Dividing both sides by 9, we get,

(9-b)(9-c) = 15

81 - 9c - 9b + bc = 15

simplifying the above equation, we get

81 - 9(b + c) + bc = 15

9(b + c) - bc = 81 - 15

9(b + c) - bc = 66 -------- (1).

Also, if Rest two sides are b and c, we get,

→ 8 + b + c = 18

→ (b + c) = 18 - 8 = 10 cm. ------ (2).

Putting value of (2) in (1) , we get,

→ 9 × 10 - bc = 66

simplifying the above equation, we get

→ bc = 90 - 66

→ bc = 24 ------------ (3).

We do Factors of (3), we just have to check now, which satisfy Equation (2) also . (sum of Factors will be 10).

24 = ( 1, 24) , (24, 1), ( 2,12), (12,2) , (3,8) ,(8,3) , (4,6),(6,4)

We can see (4,6) or (6,4) Satisfy the (2).

Therefore, the measurement of the remaining two sides of the triangle be 4cm and 6cm.

The complete question is:

the perimeter of a triangular garden is 18 m. if its area is under root 135 m^2 and one of the tree sides is 8 m, find the remaining two sides

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This is an example of an isosceles triangle. An isosceles triangle is a triangle with two equal sides and two equal angles.

Find the measurement of the remaining two sides?In this particular triangle, the side with a measurement of 4 meters is one of the two equal sides, meaning the remaining two sides must also have a measurement of 4 meters. To calculate the area and perimeter of the triangle, we can use the following formulas: Area = 1/2 x base x height Perimeter = a + b + c Given that the area of the triangle is √135 square meter and the perimeter is 18 meter, we can plug these values into the formulas to solve for the remaining measurements of the triangle.For the area, we can solve for the height by rearranging the formula: Height = 2 x area / base Height = 2 x √135 / 4 Height = 3√3 For the perimeter, we can solve for the remaining two sides by rearranging the formula: a + b + c = 18 a + b = 18 - 4 a + b = 14 Therefore, the two remaining sides of the triangle have a measurement of 4 meters, and the remaining height of the triangle has a measurement of 3√3 meters.

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evaluate the expression 4(3-2)^3+2(-8) and justify each step

Answers

Answer:-12

Step-by-step explanation: First you will have to deal with the things in parenthesis and the exponent. So after cubing the 3 and 2 the equation you will then multiply and then add them rest of the numbers to get -12

The answer should be -12

HELPPPPPPPPP 10 poingts

Answers

Answer:45

Step-by-step explanation: So the total measure of an exterior would be 360 so you divide the number of sides on the polygon be 360 and you get 45. (I hoped that helped.)

Answer:

45 degrees

Step-by-step explanation:

A octagon is 360 degrees total and since there is 8 sides you would do 360/8 which gives you 45 degrees

HOPE THIS HELPS

Work out the equation of the line shown below.
Give your answer in the form y = mx + c, where m and c are integers or fractions in their simplest forms.

Answers

An equation of the line shown above in slope-intercept form is y = x/8 + 5/2.

What is the point-slope form?

Mathematically, the point-slope form of a straight line can be calculated by using this mathematical expression:

y - y₁ = m(x - x₁) or y - y₁ = (y₂ - y₁)/(x₂ - x₁)(x - x₁)

Where:

m represents the slope.x and y represents the data points.

From the information provided in the graph above, we have the following data points on its line:

Points on the x-axis = (60, 140).Points on the y-axis = (10, 20).

At data point (60, 10), a linear equation of this line can be calculated in point-slope form as follows:

y - y₁ = (y₂ - y₁)/(x₂ - x₁)(x - x₁)

y - 10 = (20 - 10)/(140 - 60)(x - 60)

y - 10 = 1/8(x - 60)

y = x/8 - 7.5 + 10

y = x/8 + 5/2

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Which of the following statements is not true concerning the comparison of the bag weights for the two brands?
Almost 25% of the weights for brand B are less than the lowest weight for brand A.
About 50% of the weights for brand A are within the top 25% of the weights for brand B.
More than 75% of the weights for brand A are within the top 50% of the weights for brand B.
More than 75% of the weights for brand A are higher than the top 25% of the weights for brand B.

Answers

The statement "Almost 25% of the weights for brand B are less than the lowest weight for brand A" is not true concerning the comparison of the bag weights for the two brands, 1st option.

How does inequality work?

Inequalities are mathematical expressions in which neither side is equal. Unlike equations, we compare two values in inequality. In between, the equal sign is replaced by a less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

In comparison to Brand B's box plot display, Brand A's rectangular box, as well as the length of the whiskers, are shorter. As a result, Brand A's bag weights are less variable than Brand B's bag weights.

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The full question is:

Which of the following statements is not true concerning the comparison of the bag weights for the two brands?

Almost 25% of the weights for brand B are less than the lowest weight for brand A.

About 50% of the weights for brand A are within the top 25% of the weights for brand B.

More than 75% of the weights for brand A are within the top 50% of the weights for brand B.

More than 75% of the weights for brand A are higher than the top 25% of the weights for brand B.

PLS HELP NEED THIS NOW!

Answers

a. 8cm ( AD=BD)

b. 8cm ( BD=BC) , Triangle BCD is equilateral

c. 8 cm ( DC = BD)

d Perimeter of ABCD is AD+DC+BC+AB= 8+8+8+11=35

Definition of Triangle

A triangle is a two-dimensional plane shape formed by three sides in the form of straight lines and has three angles. Besides having 3 sides or ribs and angles, the properties of a triangle have an angle of 180°.

The Nature of the equilateral Triangle

The following are the properties of an equilateral triangle, including:

Has three sides that are the same length. It has the same angles, which are 60° each. It has three axes of symmetry that intersect at exactly one point. Can be placed on the frame in exactly six ways.

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Your are to receive $2007 in 5 years, or you can opt to receive an equivalent amount today. At 6% nominal interest, what amount should you receive today? a. $1300 b. $1400 c. $1500 d. $1600

Answers

At 6% nominal interest, the amount should you receive today is (d) $1600.

The word "total" refers to the addition of numbers or the destruction of something, and a total is a whole or complete sum.

The present value of $2007 received in 5 years can be calculated using the formula:

PV = FV / (1 + r)^t

Where:

PV is the present value

FV is the future value ($2007)

r is the nominal interest rate (6%)

t is the time period (5 years)

So, PV = $2007 / (1 + 0.06)^5 = $1600

Therefore, you should receive $1600 today if you want an equivalent amount.

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special right triangle

Answers

A= 6 √ 3

B= 6 √ 3

Reasoning> same angle

differentiate. f(t) = 3 t t − 6

Answers

Basically in this question we will apply product rule of diffrentiation .

f(t) = 3t (t-6)

f'(t) = (3t)'.(t-6) +(t-6)'.(3t)

f'(t) = 3(1). (t-6) + (1).3t

f'(t) = 3t-18 +3t

Final Answer - f'(t) = 6t -18

Differentiating the given function. f(t) = 3 t (t − 6) gives f'(t) = 6t - 18 using the product rule of differentiation.

Given that, f(t) = 3t.(t-6)

To differentiate the given function we use product rule in order to simplify the differentiation.

Divide the function into two different products and then differentiate :

f(t) = 3t (t-6)

f'(t) = (3t)'.(t-6) +(t-6)'.(3t)

f'(t) = 3(1). (t-6) + (1).3t

f'(t) = 3t-18 +3t               (or)

expand the given f(t) =  3t.(t-6)

                                   = 3t^2 - 18 t

we have , f'(x) = n.x^(n-1)   if    f(x) = x^n

differentiating f(t) = f'(t) = 2(3t) - 18

                                     = 6t - 18

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The table below shows how far a person driving in their car was able to go over different intervals of time. Perform a regression to model the data, using the form y = kx + h. What is your value for k? (Round your answer to the nearest tenth.)​

Answers

Answer:

kxh is the answer to this question

[HELP FAST WILL GIVE BRAINLIEST] Identify the explicit formula for the sequence given by the following recursive formula:

Answers

Answer:

f(n) = 4n - 6

Step-by-step explanation:

the explicit formula for an arithmetic sequence is

f(n) = f(1) + (n - 1)d

where f(1) is the first term and d the common difference

given the recursive formula

f(n) = f(n - 1) + 4

this allows a term in the sequence to be found by adding the common difference d to the previous term.

here f(1) = - 2 and d = 4 , then explicit formula is

f(n) = - 2 + 4(n - 1) = - 2 + 4n - 4 = 4n - 6

There are counters of four different colours in a bag. A counter is taken out at random.
This table shows the probabilities of different colours.
Colour gold silver bronze white
Probability 0.05 0.15 0.55
Find the probability that the counter is
a. gold or silver
b. not gold
c. silver or bronze

Answers

a)

P (gold or silver) is 0.20

b)

P (not gold) is 0.95

c)

P (silver or bronze) is 0.70

What is probability?

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

We have,

Color          gold   silver   bronze  white

Probability 0.05   0.15      0.55     0.25

Now,

The probability that the counter is

a)

P (gold or silver)

= 0.05 + 0.15

= 0.20

b)

P (not gold)

= 1 - 0.05

= 0.95

c)

P (silver or bronze)

= 0.15 + 0.55

= 0.70

Thus,

The probabilities are given above.

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What is the area of rhombus KLMN? Rhombus 467.4 in 387.6 in 289 in 287.3 in

Answers

The area of rhombus KLMN is 287.3 in²

What are rhombuses?

A quadrilateral called a rhombus has four equal-length sides. The term "equilateral quadrilateral" refers to a quadrilateral whose sides all have equal lengths.

Given:

Since, the diagonals of a rhombus bisects each other at a right angle,

Let they bisect at O,

so, KM = 2MO = 2KO = 2×11.4 = 22.8 in

Thus, Δ KON is a right triangle,

Using Pythagoras theorem,

KN² = KO² + ON²

ON = √17²-11.4²

ON = 12.611 in

LN = 2×12.611

LN = 25.22 in

Then, Area of a rhombus = 1/2 × diagonal 1 × diagonal 2

Area = 1/2 × 25.22 × 22.8

        = 287.3 in²

Hence, the area of rhombus KLMN is 287.3 in²

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Use the points (-3, 5) and (8, -17) to write an equation in standard form (show all work)

Answers

Answer:

2x+y=-1

Step-by-step explanation:

I can't really explain,But the equation is AX+BY=C

22. last year for sales of units, hurst ltd had sales of £ , variable expenses of £ , and fixed costs of £ . what would be the break-even point in units?

Answers

The break-even point in units can be calculated if the sales price per unit (P) is known. In conclusion, the break-even point in units is an essential calculation that helps companies understand their financial performance and determine the minimum level of sales they need to achieve to cover their costs and start generating a profit.

Break-even point in units = Fixed costs / (P - Variable expenses per unit)

= Fixed costs / (P - Variable expenses / Sales)

The break-even point is a crucial calculation in the field of business and finance, as it represents the level of sales at which a company's expenses and revenue are equal, and there is no profit or loss. In this scenario, Hurst Ltd's break-even point in units can be calculated based on its sales, variable expenses, and fixed costs.

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Identify the action verb(s) in the sentence.

People in church prayed, and an angel woke Peter.

Answers

The bolded words represents the verbs in the statement as -

People in church prayed, and an angel woke Peter.

What is a verb?

Verbs are words that show an action (sing), occurrence (develop), or state of being (exist).

Given is the statement as -

People in church prayed, and an angel woke Peter.

The verbs in the given statement are {bolded words} -

People in church prayed, and an angel woke Peter.

Therefore, the bolded words represents the verbs in the statement as -

People in church prayed, and an angel woke Peter.

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Blaine is two years older than three times a jillion’s age Jillian is also 16 years younger than Blaine. How old is Blaine

Answers

Answer:

SLAY

Step-by-step explanation:

UWU

what is the unsigned base 9 equivalent of the following unsigned decimal integer value? 6239124 blank 1. fill in the blank, read surrounding text. 12658420

Answers

The unsigned base 9 equivalent of the following unsigned decimal integer value is [tex](6239124)_{8} = (12658420)_{9}[/tex].

We can determine Base 9 equivalent is as follows:

Iteratively divide the integer by 9 until the quotient equals 0.

The integer value is 6239124.

Now we divide integer value 6239124 by 9 until quotient is equal to 0.

6239124 ÷ 9 = 693,236, Remainder = 0

693,236 ÷ 9 = 77,026, Remainder = 2

77,026 ÷ 9 = 8,558, Remainder = 4

8,558 ÷ 9 = 950, Remainder = 8

950 ÷ 9 = 105, Remainder = 5

105 ÷ 9 = 11, Remainder = 6

11 ÷ 9 = 1, Remainder = 2

1 ÷ 9 = 0, Remainder = 1

[tex](6239124)_{8} = (12658420)_{9}[/tex]

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The complete question is:

What is the unsigned base 9 equivalent of the following unsigned decimal integer value?

[tex](6239124)_{?} = (12658420)_{?}[/tex]

Three students, Deion, Bashir, and Arianys, line up one behind the other. How many
different ways can they stand in line?

Answers

The correct answer is 6 , that is 3! (3 factorial).

If the direction is not take into consideration then 3 students can stand in 3*2*1 =6 ways.

Like In the first place there can be any of the three, in the second place there can be either of the two left and then the last place .

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Find the scalar and vector projections of b onto a.
a=⟨−5, 12⟩, b=⟨4, 6⟩

Answers

The scalar projection is 42/13, and the vector projection is 42/169⟨-5,12⟩.

The scalar projection of b onto a can be calculated using the formula [tex]\frac{a.b}{|a|}[/tex], and the vector projection of b onto a can be calculated using the formula [tex]\frac{a.b}{|a|^{2} } .a[/tex]. The formula for finding the magnitude of a is |a| = √c²+d² if a = ⟨c,d⟩.

a = ⟨−5, 12⟩, b = ⟨4, 6⟩

a⋅b = ⟨−5, 12⟩⟨4, 6⟩

= -20 + 72

= 42

|a| = √[(-5)² + (12)²]

= √25 + 144

= √169

= 13

The scalar projection is

[tex]\frac{a.b}{|a|}[/tex] = [⟨−5, 12⟩⟨4, 6⟩]/√[(-5)² + (12)²]

= [-20 + 72]/√25 + 144

= 42/√169

= 42/13

The vector projection is

[tex]\frac{a.b}{|a|^{2} } .a[/tex] = [42/(13)²] ⟨−5, 12⟩

= 42/169⟨−5, 12⟩

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#13
Points (1,-1), (3, 2), and (7, -3) are three vertices of a
parallelogram. How many parallelograms can be created using
these three vertices?

O One
O Two
O Three
O Four


Identify the coordinates of each point that could be the fourth
vertex. Select all that apply.
(9,-2)
(-3,2)
(5,4)
(9,0)
(-3, 4)
(5, -6)
(5,-4)
(3,2)

Answers

Answer:

Two parallelograms can be created using these three vertices. The fourth vertex of the first parallelogram would have the coordinates (9,-2), and the fourth vertex of the second parallelogram would have the coordinates (-3,4). The other coordinates given are not valid for the fourth vertex of a parallelogram.

Answer:

three

(5,-6)

(9,0)

(-3,4)

Twenty students in Class A and 20 students in Class B were asked how many hours they took to prepare for an exam. The data sets represent their answers. Class A: {2, 5, 7, 6, 4, 3, 8, 7, 4, 5, 7, 6, 3, 5, 4, 2, 4, 6, 3, 5} Class B: {3, 7, 6, 4, 3, 2, 4, 5, 6, 7, 2, 2, 2, 3, 4, 5, 2, 2, 5, 6} Which statement is true for the data sets? Group of answer choices The mean study time of students in Class A is less than students in Class B. The range of study time of students in Class A is less than students in Class B. The mean and median study time of students in Class A and Class B is equal. The median study time of students in Class B is greater than students in Class A. The mean study time of students in Class B is less than students in Class A.

Answers

The mean study time of students in Class B is less than students in

Class A.

Option E is the correct answer.

What is a mean?

It is the average value of the set given.

It is calculated as:

Mean = Sum of all the values of the set given / Number of values in the set

We have,

Class A:

{2, 5, 7, 6, 4, 3, 8, 7, 4, 5, 7, 6, 3, 5, 4, 2, 4, 6, 3, 5}

Mean:

(2 + 5 + 7 + 6 + 4 + 3 + 8 + 7 + 4 + 5 + 7 + 6 + 3 + 5 + 4 + 2 + 4 + 6 + 3 + 5) / 20

= 96/20

= 4.8

Arrange the numbers in order.

= 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8

Median = 5

Range = Highest - Lowest = 8 - 2 = 6

Class B:

{3, 7, 6, 4, 3, 2, 4, 5, 6, 7, 2, 2, 2, 3, 4, 5, 2, 2, 5, 6}

Mean:

= (2 + 2 +  2 + 2 + 2 + 2 + 3 + 3 + 3 + 4 + 4 +  4 + 5 + 5 + 5 + 6 + 6 + 6 + 7 + 7 = 84/20

= 4.2

Arrange the numbers in order.

= 2, 2, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7

Median = 4

Range = Highest - Lowest = 7 - 2 = 5

Thus,

Mean of class A > Mean of class B

Median of class A > Median of class B

Range of class A > Range of class B

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five whole positive numbers add up to 47 one of the numbers is a multiple of nine the other four numbers are equal

Answers

The positive whole numbers are 27 and 5.

What is an equation?

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Let the 5 positive whole numbers be a, b, c, d and e.

One of the numbers is a multiple of nine the other four numbers are equal.

Now, 9a+b+b+b+b=47

9a+4b=47

If b=1

9a=43

Here, we don't get whole number.

If b=2

9a=39

Here, we don't get whole number.

If b=3

9a=35

Here, we don't get whole number.

If b=4

9a=31

Here, we don't get whole number.

If b=5

9a=27

a=3

Substitute a=3 in equation 9a+4b=47

b=5

Therefore, the positive whole numbers are 27 and 5.

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Yesterday the temperature at noon was 28.6°F. By midnight, it had dropped by 30.7°F. What was the temperature at midnight?

Answers

Answer: -2.1°F
The correct answer is -2.1°F. You do this by simply subtracting 28.8 by 30.9. When doing this, you get
-2.1. So the temperature at midnight was -2.1°F.
Step-by-step explanation:
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