please help me im just really slow

Answer:

We know that:

Neighbourhood A = 30  homes and the number increases by 20% each year

Neighbourhood B = 45  homes, and each year 3 new homes are built.

A.

Neighbourhood A and B are as follows:

For neighbourhood A: f(x) =

For neighbourhood B: f(x) =  45 + 3x

B.

Over five years:

Neighbourhood A has =

Neighbourhood A  =

Neighbourhood A  =  74.65 homes

Neighbourhood B: =   45 + 3(5)

Neighbourhood B: =   45 + 15

Neighbourhood B: =   60 homes

C.

To determine how many years the number of homes are the same for neighbourhood A and B, we need to equate both together.

So x= 3.3

so, hence after 3.3 years, the number of homes will be the same.

Step-by-step explanation:

Hope this helped, good luck

The sum is a binomial with a degree of 6 after adding like terms, and the sum is -2xy⁵ + 3x⁴y option fourth is correct.

Polynomial is the combination of variables and constants systematically with "n" number of power in ascending or descending order.

[tex]\rm a_1x+a_2x^2+a_3x^3+a_4x^4..........a_nx^n[/tex]

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

We have two polynomials:

3x²y² - 2xy⁵ and -3x²y² + 3x⁴y

Adding two polynomials:

= (3x²y² -2xy⁵) + (-3x²y² + 3x⁴y)

= -2xy⁵ + 3x⁴y

The expression represents a binomial with degree 6(1+5) because it has two terms.

Thus, the sum is a binomial with a degree of 6 after adding like terms and the sum is -2xy⁵ + 3x⁴y option fourth is correct.

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Answer:

14 and a half

Step-by-step explanation:

5 eggs - 11 omlets

x eggs - 32 omlets

11x = 5x32

x = 160/11 = 14.5454...

Elijah will pass John after 5 hours, and they each will have traveled 310 miles. Then the correct option is C.

The distance covered by the particle or the body in an hour is called speed. It is a scalar quantity. It is the ratio of distance to time.

We know that the speed formula

Speed = Distance/Time

John and Elijah are both driving from New York City to Richmond.

John leaves at 7:20 and averages 60 mph (miles per hour) on the way.

Elijah leaves at 7:30 and averages 62 mph on the way.

The situation is modeled by this system, where x is the number of hours after Elijah leaves and y is the distance each will travel.

y = 60x + 10 ...1

y = 62x        ...2

The time is taken by Elijah to cross John will be

62x = 60x + 10

 2x = 10

   x = 5 hours

The distance traveled in 5 hours will be

y = 62 (5)

y = 310 miles

Elijah will pass John after 5 hours, and they each will have traveled 310 miles.

Then the correct option is C.

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Answer:

c

Step-by-step explanation:

i took the quiz

Answer:

C. median

Step-by-step explanation:

AD is median because it's dividing BC in two equal parts.

The speed of the car in kilometres per minutes is 2.6565 km/minutes

The car speed is 99 miles per hours.

Therefore,

1 miles  = 1.61 km

99 miles = ?

cross multiply

distance = 159.39 km

Therefore,

1 hour = 60 minutes

Hence,

speed = 159.39  / 60

speed = 2.6565

speed = 2.6565 km/minutes

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Using proportions, it is found that the number of islands that each member will have to visit is given by:

c. 19 islands.

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, there are 684 islands, and 36 members, hence the number of islands per member is given by:

n = 684/36 = 19.

Which means that option c is correct.

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The mean is 8 gerbils and the MAD is 4.29.

Mean is the average of a set of numbers. It is determined by adding the numbers together and dividing it by the total number

Mean = sum of the numbers / total number

(0 + 3 + 6 + 9 + 11 + 13 + 14) / 7 = 8

What is the MAD?

MAD =  ∑ l x - m(x) l

| (0 - 8) + (3 - 8) + (6 - 8) + (9 - 8) + (11 - 8) + (13 - 8) + (14 - 8)| / 7 = 4.29

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Andrea is designing the seating arrangement for a concert in her local park. The number of seats in row 20 would be 86 seats.

Arithmetic sequence is a sequence where each consequtive term has a common constant difference.

An arithmetic sequence, therefore, is defined by two parameters, viz. the starting term and the common difference.

The arithmetic sequence formula is;

aₙ = a + (n − 1)d,

where;

a is the first term

n is the position of the term in the sequence

d is the common difference

aₙ  is the nth term of the sequence.

Our sequence is 10, 14, 18, 22 up to row 20.

Using the sequence formula;

[tex]a_{20} = 10 + (20 - 1)4.\\a_{20} = 10 + (19\times 4)\\a_{20}= 10 + 76\\a_{20}= 86.[/tex]

Thus, the number of seats in row 20 was 86 seats.

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Answer:

x = 76.5

Step-by-step explanation:

[tex]\frac{x}{4.5}[/tex] = 22 - 5

[tex]\frac{x}{4.5}[/tex] = 17

x = 17 x 4.5

x = 76.5

Answer:

46.272 or 46 34

125

Explains :

Let see :

Based on the given conditions, formulate: 16×14.46÷5

Calculate the product or quotient:231.36

5

Convert decimal to fraction:23136

100

5

Divide a fraction by multiplying its reciprocal:23136 × 1

100 5

Write as a single fraction:23136

100×5

Cross out the common factor:5784

25×5

Calculate the product or quotient:5784

5784 125

get the result: 46.272 or 46 34

125

Answer: 46.272 or 46 34

125

Answer:

[tex]y=-\frac{5}{6} + 7[/tex]

Step-by-step explanation:

Slope-intercept formula requires us to isolate the y variable. We can do this in just a couple of steps.

1) Move 5x from the left to the right side by subtracting 5x from both sides. This cancels out the 5x on the left side, and remember, what we do to one side we must do to the other to keep the equation balanced.

[tex]6y=-5x+42[/tex]

2) Divide both sides by 6. Again, we are cancelling out the 6 on the left but we must also divide on the right. This would mean dividing -5 and 42 by 6 to get:

[tex]y=-\frac{5}{6} + 7[/tex]

Answer:5200-0.0005x=2800+0.0003x

Step-by-step explanation: Ignore the supply and demand stuff. Just focus on what value of x will make the two equations equal, which is all the question is asking.

5200-0.0005x=2800+0.0003x

solve for x

This is now a very simple one variable equation, try to solve this yourself and message me if you still need help.

Answer: That is most likely an unsolvable question.

Step-by-step explanation: PEMDAS

3×4×100±67≤65 Doesn’t work.

3x4= 12 ~ 12x100=1200 ~ 1200+67=1267  ~ 1267<65

556∪120D⊥p=13⇆87∞44f1······ Also clearly isn’t a math question

I am not sure if this helps. But I really did look into it and found nothing. I am So sorry to disappoint.

Answer:

x = 8

Step-by-step explanation:

Perimeter :

Answer:

Lines J and K are parallel :)

Step-by-step explanation:

Parallel: (of lines, planes, surfaces, or objects) side by side and having the same distance continuously between them.

It would be Lines J and K are parallel because they never cross and the other statements are incorrect :)

Have an amazing day!!

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Answer:

One team must play 8 games 3 times equals 24 games

One team must play 24 games

But each game uses 2 teams so there are 12 games in all

Or 9 * 24 / 2 = 108 games

Check: If there were 3 teams then one team must play

2 games 3 times  for a total of 6 times so the total of games played will be six for each team or 18 games, but each game uses 2 teams so the total of games is nine:  1-2, 2-3, 1-3 (each team has played its opponent once) - 3 * 3 = 9

T = number of teams in league

(T - 1)    1 team plays each other once

(T - 1) * T  each team has played 1 game for entire league

(T - 1) * T / 2   total games to be played for 1 game each

G *  (T - 1) * T / 2     where G is number of games

Answer:

Tammy is incorrect

Step-by-step explanation:

The product of 5/7 and 1 1/4 is,

(5/7) x (1 1/4)

turn the mixed number to a whole number.

1 1/4= 4/4 + 1/4 = 5/4

(5/7) x (5/4) = 25/28 which is approximately 0.8929

Tammy believes it equals 1 3/4

1 3/4 = 4/4 + 3/4 = 7/4 which is 1.75

0.8929 does not equal 1.75

Answer:

  (c)  Yes, +4 more

Step-by-step explanation:

The problem statement is telling you the available quantity in pounds. The answer choices are expressing the difference in terms of packets. A conversion of units of measure is needed.

__

Patel has 8 pounds of seed, and he puts it into 1/2-pound packets. Each pound will fill two (2) half-pound packets, so he has enough for ...

  (8 lb) × (2 packets/lb) = 16 packets

Patel has 12 people planting seed, so needs 12 of the 16 packets in order to give each team member one packet.

He has enough seed for this need, and enough for 16 -12 = 4 more packets than he needs.

Answer:

90°

Step-by-step explanation:

note that [tex]\frac{2}{8}[/tex] simplifies to [tex]\frac{1}{4}[/tex]

There are 360° in one turn of the circle , then

[tex]\frac{1}{4}[/tex] × 360° = 360° ÷ 4 = 90°

The number of speakers that should be sold to maximize profit is 0.9

Given the function that represents the profit made in selling x thousand Boombotix speakers expressed as:

P(x)=6+9x−5x^2

In order to maximize the profit, p'(x) = 0, hence;

P'(x) =9 - 10x

0 = 9 - 10x

x = 9/10

Hence the number of speakers that should be sold to maximize profit is 0.9

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Answer:

Step-by-step explanation:

Use the equation of area of circle:

Substitute π with 22/7 and r with 35 m as per question.

Correct choice is B (with slight difference)

Answer:

B.  3850 m²

Step-by-step explanation:

The area of the base of the lighthouse can be modeled as a circle.

Area of a circle

[tex]\textsf{A}=\pi r^2 \quad \textsf{(where r is the radius)}[/tex]

Given:

Substitute the given values into the formula and solve for A:

[tex]\implies \sf A=\dfrac{22}{7} \cdot 35^2[/tex]

[tex]\implies \sf A=\dfrac{22}{7} \cdot 1225[/tex]

[tex]\implies \sf A=\dfrac{26950}{7}[/tex]

[tex]\implies \sf A=3850\:\:m^2[/tex]

Therefore, the area of the circular base of the lighthouse is 3850 m²

Using translation concepts, it is found that the equation of the function after the changes is given by:

[tex]y = \frac{3}{x + 3} + 4[/tex]

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

In this problem, the parent function is given by:

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

Then, these following changes happened:

Hence, the equation of the function after the changes is given by:

[tex]y = \frac{3}{x + 3} + 4[/tex]

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By eliminating the parameter t and evaluating the function at x = -1 we conclude that the parametric equations contains the point (x, y) = (-1, 0).

In this case we must determine if a point in rectangular format belongs to  a set formed by two parametric functions. The functions are parametric as they are based in a parameter t. A quick approach consist in reduce the number of equations by eliminating the parameter.

The first equation is represented below:

t = x/3

And the parameter is substituted in the second equation:

y = 18 · (x/3)² + 12 · (x/3) + 2

y = 2 · x² + 4 · x + 2

If we know that x = -1, then the y-value is:

y = 2 · (- 1)² + 4 · (- 1) + 2

y = 0

By eliminating the parameter t and evaluating the function at x = -1 we conclude that the parametric equations contains the point (x, y) = (-1, 0).

The statement is incomplete, the complete definition is presented below:

Which of the following is a point on the plane curve defined by the parametric equations?

x = 3 · t, y = 18 · t² + 12 · t + 2

A. (-1, 0)

B. (-3, -28)

C. (-1, 8)

D. (-3, 128)

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Answer:

[tex]x = 14.04[/tex]°

Step-by-step explanation:

[tex]\text{tan(x) = Opposite / Adjacent}\\tan(x) = 5/20\\tan(x) = 0.25\\x = 14.04[/tex]

Answer: B; 4

Explanation: The squares means that's how many numbers there are.
The example : -- There's 4 of 4. = 16. 6 of 2. = 12.
All of them add up to 64.
There are 16 numbers.
The mean means adding up all the numbers then divide by how many numbers are there.
64 / 16 = 4.

Answer:

the opposite of the Justine score (-7) = Meghan  score  (7)

-(-7)=7

Step-by-step explanation: