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Viefleur [7K]
3 years ago
13

Help....

Mathematics
2 answers:
Luda [366]3 years ago
6 0

Answer:

A

Step-by-step explanation:

11111nata11111 [884]3 years ago
5 0

Answer:

(A) 6/20 = x/2000

Step-by-step explanation:

To complete your questions, the missing parts are shown below

                   Sample 1                  Sample 2        total

Country            5                               3                 8  

Pop                  4                                3                 7

Classical          3                                5                 8

Jazz                 2                                4                  6

Rock                6                                5                11

Total                20                               20             40

The proportion that would predict the number of jazz songs that Mr. McElroy has stored on his MP3 player is given by 6/20

Hence, our required proportion would be

6/20 =x/2000

We cross multiply  

20x = 2000 x 6

20x = 12000

Divide both sides by 20

X = 12000/20

X = 600

Hence, our required proportion would be

6/20 = x/2000

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notsponge [240]

Answer:

15) a) 8

b) y + 2

c) y - 1

16) True

17) 2n - 1, where n is an integer

18) a) 3p + 4q

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4 0
3 years ago
4^(4x-1)=32 <br><br> How do I solve this problem? Do I do 4 to the fourth power first?
yKpoI14uk [10]

Answer:

\large\boxed{x=\dfrac{7}{8}}

Step-by-step explanation:

4^{(4x-1)}=32\\\\(2^2)^{4x-1}=2^5\qquad\text{use}\ (a^n)^m=a^{nm}\\\\2^{2(4x-1)}=2^5\iff2(4x-1)=5\ \ \text{use the distributive property}\ a(b+c)=ab+ac\\\\(2)(4x)+(2)(-1)=5\\\\8x-2=5\qquad\text{add 2 to both sides}\\\\8x=7\qquad\text{divide both sides by 8}\\\\x=\dfrac{7}{8}

7 0
2 years ago
Read 2 more answers
Chocolate covered pretzels cost $8.50 a pound (lb). Nonpareils are $4.20 a pound (lb). Josh bought his mother 1/2 pound of the p
Komok [63]
1/2 of $8.50 is $4.25
1/4 of $4.20 is $1.05
$5.30 w/o taxes


$5.74 is your answer
5 0
3 years ago
4n-6 in as a undistributed expression
lord [1]

Answer:

2( 2n-3)

Step-by-step explanation:

4n-6

2*2 n - 2*3

Factor out the greatest common factor

2( 2n-3)

3 0
3 years ago
Find the solution of y = 6x + 1 for x = 5.
Fudgin [204]
The solution is D.
By plugging the x value, 5, into the equation:
6*5=30
30+1=31
y=31
the x value is 5 and the y value is 31
(5, 31)
hope that helps!
7 0
3 years ago
Read 2 more answers
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