Mr. McElroy enjoys listening to his MP3 player, which has 2,000 songs in five different genres of music. He took a sample of the number of each type of song it played on two different one-hour sessions when it was set to play a random mix. The counts are shown in the table below. Which proportion would predict the number of jazz songs he has stored on his MP3 player? Listening Samples from Mr. McElroy’s MP3 Player Sample 1 Sample 2 Country 5 Country 3 Pop 4 Pop 3 Classical 3 Classical 5 Jazz 2 Jazz 4 Rock 6 Rock 5 StartFraction 6 over 20 EndFraction = StartFraction x over 2000 EndFraction StartFraction 3 over 20 EndFraction = StartFraction x over 2000 EndFraction StartFraction 2 over 4 Endfraction = StartFraction x over 2000 EndFraction StartFraction 3 over 40 EndFraction = StartFraction x over 2000 EndFraction

Answer:

it's A: Tuesday

Step-by-step explanation:

wensday - friday show a gradual increase in tempature. While monday and tuesday show a sharp increase.

Answer:

A.

Step-by-step explanation:

no slope, the line is just y = 4

Answer:10

Step-by-s First of all, note that 15 is the same as 15/1 since 15 divided by 1 is 15. Therefore, start by setting up the problem like this

Step 2: Multiply

Multiply the numerators together (15 x 2 = 30) and multiply the denominators together (1 x 3 = 3) and make it into one fraction like so:

Step 3: Minimize

The greatest common factor of 30 and 3 is 3. Minimize the fraction by dividing the numerator and the denominator by its greatest common factor to get:

Step 4: Convert

Convert the improper fraction above to a whole number to get the answer:

That's it! Now you know how to calculate 15 times 2/3.

Answer:

length of each edge = (x + 3)

Step-by-step explanation:

The surface area of each face of the cube = ([tex]x^{2}[/tex] + 6x + 9) [tex]m^{2}[/tex]. But the surface of a cube has the shape of a square. So that,

Area of a square = length x length

                            = [tex]l^{2}[/tex]

By factorizing the area,

[tex]x^{2}[/tex] + 6x + 9 = [tex]x^{2}[/tex] + 3x + 3x + 9

                  = ([tex]x^{2}[/tex] + 3x) (3x + 9)

                  = x(x +3) + 3(x + 3)

                  = (x + 3)(x + 3)

                  = [tex](x + 3)^{2}[/tex]

[tex]x^{2}[/tex] + 6x + 9 = [tex](x + 3)^{2}[/tex]

Thus,

[tex](x + 3)^{2}[/tex] = [tex]l^{2}[/tex]

find the square root of both sides

l = (x + 3)

length of each edge = (x + 3)

sorry sir i dont really know

Answer:

-2 tiles

Step-by-step explanation:

In each figure, 5 tiles are added.

Subtract 5 from how many tiles are in Figure 2 (8 tiles) & you get 3.

3 is how many tiles are in Figure 1, meaning you need to subtract 5 again to see how many are in Figure 0! 3-5 = -2.

Hope this helps! x

Answer:

28 rentals

Step-by-step explanation:

$45-$10 membership=$35 on rentals at $1.25 each.

Then $35/$1.25=28 rentals

Answer:

Option D i.e. y = 1/2 x is the correct answer.

Step-by-step explanation:

We know that when 'y' varies directly with 'x', we get the equation

y ∝ x

y = kx

where k is the constant of proportionality.

In our case, the only equation which maps in accordance with y = kx is y = 1/2x.

i.e.

y = 1/2 x

here k = 1/2

Thus, k = 1/2 is the constant of proportionality.

Therefore, option D i.e. y = 1/2 x is the correct answer.

Answer:

7 17/60

Step-by-step explanation:

you do 6x10 witch is 60 then you do 19 x 23 witch is 437 then divide that by 60 and that is 7 and you have 17 leftover

Answer: A:500-300=4n and C:4n+300=500

Step-by-step explanation:

Answer:

first part is can be used to create an equivalent system and second part is can’t be used to create an equivalent system i think

Answer:

first can

second cant

Step-by-step explanation:

Answer:

9d +3

Step-by-step explanation:

plz brainliestt

Answer:

9d+3

Step-by-step explanation:

(6d+5)-(2-3d)

First, I like to put a 1 in front of the second grouping of numbers to help me with the distributing:

(6d+5)-1(2-3d)

Distribute the -1:

(6d+5)-2+3d

Remove parenthesis and combine like-terms:

9d+3

Answer:

3

Step-by-step explanation:

a, e, and o

Answer:

4 vowels with but he has two o’s

Step-by-step explanation:

A ,y e, o,

Answer:

y + 2 = (x - 2)

Step-by-step explanation:

From the graph, you can see that when y = 0, x = 2, and vise versa. Taking this into consideration, if y = 4, x = 2, so, the answer is y + 2 = (x - 2)

Answer:

Esta persona invirtió $ 6000 a la cuenta bancaria que paga 5 % de interés simple anual y $ 19000 a la cuenta bancaria que paga 6 % de interés simple anual.

Step-by-step explanation:

Esta persona invierte [tex]x[/tex] a la cuenta bancaria que paga 5 % de interés simple anual y [tex]25000-x[/tex] a la cuenta bancaria que paga 6 % de interés simple anual. Recibe [tex]1440[/tex] como consecuencia de las ganancias de las dos cuentas, es decir:

[tex]\frac{5\cdot x}{100} + \frac{6\cdot (25000-x)}{100} = 1440[/tex] (1)  

Ahora procedemos a resolver la ecuación resultante:

[tex]5\cdot x + 150000-6\cdot x = 144000[/tex]

[tex]150000-144000 = 6\cdot x - 5\cdot x[/tex]

[tex]x = 6000[/tex]

En consecuencia, esta persona invirtió $ 6000 a la cuenta bancaria que paga 5 % de interés simple anual y $ 19000 a la cuenta bancaria que paga 6 % de interés simple anual.

Step-by-step explanation:

[tex]\tt{ 6(4c-2) }[/tex]

[tex]\tt{ 24c-12 }[/tex]

Answer:

Rhion did better in maths test.

Step-by-step explanation:

Given that:

Rhion scored 14 out of 17.

We will find percentage and then compare them.

Percentage = [tex]\frac{Score}{Total\ marks}*100[/tex]

Percentage = [tex]\frac{14}{17}*100[/tex]

Percentage = 82.35%

Rhion scored 31 out of 39.

Percentage = [tex]\frac{31}{39}*100[/tex]

Percentage = 79.48

On comparing,

82.35 > 79.48

Hence,

Rhion did better in maths test.

Answer:

A

Step-by-step explanation:

Answer:

Thanks so much, let me know if you need help with hw or something :)

Answer:

Can't tell of this trolling or not

But I'll take the points?

Answer:

its B

Step-by-step explanation:

because 4 pints is a quart and 4 quarts is a gallon and 16 cups in a gallon

Answer:

After multiplying, we get two Pythagorean triples (sorry for not writing it all out, it's a really long process). With those, we can simplify down to 289/100

9514 1404 393

Answer:

  A.  3/13

Step-by-step explanation:

The slope formula is ...

  m = (y2 -y1)/(x2 -x1)

Using the given points, this is ...

  m = (-4 -(-1))/(-8 -5) = -3/-13 = 3/13

Answer:

A number model in math is a sentence that illustrates how the parts of a number story are related. The equation may include addition, subtraction, division and multiplication and may be expressed as words or in number form.

Step-by-step explanation:

Answer:

Sometimes abbreviated as model or model no., a model number is a unique number given to each product made by computer hardware manufacturers. Model numbers allow manufacturers to keep track of each hardware device and identify or replace the proper part when needed.

Step-by-step explanation:

Answer:

I think the answer is 78.

Answer:

Answer is 2

Step-by-step explanation:

Because The other answers dont punctuation and answer 2 explains as the president

Answer:

C

Step-by-step explanation:

Given the 2 equations

5x + 2y = 29 → (1)

x + 4y = 13 → (2)

Multiplying (1) by - 2 and adding to (2) will eliminate the y- term

- 10x - 4y = - 58 → (3)

Add (2) and (3) term by term to eliminate y

- 9x + 0 = - 45

- 9x = - 45 ( divide both sides by - 9 )

x = 5

Substitute x = 5 into either of the 2 equations and solve for y

Substituting into (2)

5 + 4y = 13 ( subtract 5 from both sides )

4y = 8 ( divide both sides by 4 )

y = 2

Solution is x = 5, y = 2 → C

Answer:

c) x = 5, y = 2

Step-by-step explanation:

Answer:

(3x-5) + 2x = 90

Step-by-step explanation:

We know that there are 180 degrees in a triangle. We also know that one angle is 90 degrees.

This means that (3x-5) + 2x = 90.

Answer:

40°

Step-by-step explanation:

[tex]\cos (x-10\degree )= \frac{ \sqrt{3} }{2} \\ \\ \cos (x-10\degree )=\cos 30\degree \\ \\ x-10\degree = 30\degree \\ \\ x = 30\degree + 10\degree \\ \\ x = 40\degree[/tex]