MATHEMATICS HIGH SCHOOL

What is the 52nd term of the sequence below?3.2,4.4,5.6,6.8

What is the 28 term of the sequence below?
-6.4,-3.8,-1.7,1.4

Answers

Answer 1
Answer: adds 1.2 each time
starts with 3.2
an=a1+(n-1)d
an=3.2+1.2(n-1)
52 term is
a52=3.2+1.2(52-1)
a52=3.2+1.2(51)
a52=3.2+61.2
a52=64.4

52nd term is 64.4



dunno second one

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Answers

my gut says go with 5/7

A pair of equations is shown below. x + y = 5
y = one halfx + 2

If the two equations are graphed, at what point do the lines representing the two equations intersect?

(2, 5)
(5, 2)
(2, 3)
(3, 2)

Answers

The correct answer for the question that is being presented above is this one: 

x + y = 5

y = one halfx + 2
y = 1/2 x + 2
-1/2 x + y = 2

Eliminate y by subtracting the two equations.
x + y = 5
-1/2 x + y = 2
----------------------
3/2 x = 3
3x = 6
x = 2


x + y = 5
2 + y = 5
y = 5-2
y = 3

So, the answer is (2,3).

Answer:

I am positive the answer is C: (2, 3)

Step-by-step explanation:

Suppose in one year, total revenues from digital sales of pop/rock, tropical (salsa/merengue/cumbia/bachata), and urban (reggaeton) Latin music in a certain country amounted to $21 million. Pop/rock music brought in twice as much as the other two categories combined and $10 million more than tropical music. How much revenue was earned from digital sales in each of the three categories?

Answers

You can use the fact given that pop/rock music is twice as much as the other two categories combined and $10 million more than tropical music to form the equations to find the revenue earned by each of the three categories.

The revenue earned by each of the three categories is

  • Pop/rock: $10,500,000
  • Tropical: $500,000
  • Latin: $10,000,000

How to form mathematical expression from the given description?

You can represent the unknown amounts by the use of variables. Follow whatever the description is and convert it one by one mathematically. For example if it is asked to increase some item by 4 , then you can add 4 in that item to increase it by 4. If something is for example, doubled, then you can multiply that thing by 2 and so on methods can be used to convert description to mathematical expressions.

How to get revenue earned by each music category?

(For the given context)

  • Let the tropical music earned 'x' amount from digital sale.
  • Let the Latin music earned 'y' amount from digital sale.
  • Let the pop/rock music earned 'z' amount from digital sale

Then, by given description, we have:

Pop/rock music brought in twice as much as the other two combined

or

z = x + y

Pop/rock music brought in $10 million more than tropical music

z = 10,000,000 + x

And that all of them together earned $21 million

or

x + y + z = 21,000,000

Putting value of z in second equation, we get

z = 10,000,000 + x\nx + y = 10,000,000 + x\n\n\text{Subtracting x from both the sides}\n\ny = 10,000,000

Thus, Latin music earned y = $10 million from digital sale.

Putting z in place of x + y (as both are equal as stated in first equation) in the third equation,

x + y + z = 21,000,000\nz + z = 21,000,000\n2z = 21,000,000\n\n\text{Dividing by 2 on both the sides}\n\nz = 10,500,000

Thus, pop/rock music earned $10,500,000 from digital sale.

Putting this value in second equation, we get

z = 10,000,000 + x\n10,500,000 = 10,000,000 + x\n500,000 = x

Thus, tropical music earned $500,000 from its digital sale.

Thus,

The revenue earned by each of the three categories is

  • Pop/rock: $10,500,000
  • Tropical: $500,000
  • Latin: $10,000,000

Learn more about system of equations here:

brainly.com/question/13722693

Answer:

  • Pop/Rock sold $14 million
  • Tropical music sold $3 million
  • Reggaeton sold $4 million.

Step-by-step explanation:

First let's write the music genre as follows:

  • X = Pop/Rock
  • Y = Tropical
  • Z = Reggaeton

\left \bigg \{ {{X + Y + Z = 21 (1) } \atop {X=2(Y + Z) (2)}} \text{; }  \left \bigg \{ {{X + Y + Z = 21 (1)} \atop {X= Z + 10  (3)}

Let's use (2) in (1):

X + Y + Z = 21 \Rightarrow 2(Y + Z) + Y + Z = 21 \Rightarrow\n3(Y+Z) = 21 \Rightarrow Y+Z = 7

Then,

X + 7 = 21 \Righarrow X = 14

Now let's solve for Z,

14 = Z +10 \Rightarrow Z = 4

Finally, let's solve for Y,

14 = 2(Y + 4) \Rightarrow Y + 4 = 7 \Rightarrow Y = 3

So Pop/Rock sold $14 million, Tropical music sold $3 million and Reggaeton sold $4 million.

The yearbook club had a meeting. The meeting had 15 people, which is three-fifths of the club. How many people are in the club?

Answers

25. 
For me, I just did 15 divided by 3, which equals to 5. So.. You do 5 x 5 to find out how many people there are in the club in total. 

Final answer:

The question is about finding the total number of people in the yearbook club given that 15 people represent three-fifths of the total. By using a proportion, we find that the yearbook club has 25 people.

Explanation:

This is a proportional relationship problem in mathematics. You are given that 15 people represent three-fifths (or 3/5) of the total number of people in the yearbook club. To find the total number of people in the club, you set up the proportion: 15 is to 3 and X is to 5.

Then, cross multiply and solve the equation for X. 3*X = 15*5, therefore X = 75/3 = 25. So, there are 25 people in the yearbook club.

Learn more about Proportional Relationships here:

brainly.com/question/34138295

#SPJ2

What is the exact area of a circle whose diameter is 18 cm? A. 9 straight pi cm2 B. 18 straight pi cm2 C. 36 straight pi cm2 D. 81 straight pi cm2

Answers

The formula for the area of a circle is:

A=πr²

We also know that the diameter of a circle is twice the size of its radius

d=2r

So if the diameter is 18...

18=2r

divide both sides by 2

9=r

The radius of the circle is equal to 9cm

Now we can solve for the area

A=πr²

A=π9²

A=π81

A=81πcm²


The exact area of a circle whose diameter is 18cm is 81πcm²


Answer=D

How many ways can the letters in the word poster be arranged

Answers

Answer:

720

Step-by-step explanation:

Answer:

110

Step-by-step explanation:
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