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PIT_PIT [208]
3 years ago
9

Clare has 130 songs in her music collection. Fifty-nine of the songs are rock and roll. About what percent of the songs are rock

and roll?
Mathematics
2 answers:
Vlad1618 [11]3 years ago
4 0
Hi lovely,

The answer you're looking for would be 76.7

.59x130 = 76.7
kvasek [131]3 years ago
3 0
59/130 x 100 = 45.38%

answer: about 45% <span>of the songs are rock and roll</span>
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Simplify by finding the product of the polynomials below. Then Identify the degree of your answer. When typing your answer use t
nexus9112 [7]

Solution:

Given:

(2x^2+2x+1)(4x-1)

To get the product of the polynomial; we use the distributive property of multiplication.

a(b+c)=ab+ac

\begin{gathered} (4x-1)(2x^2+2x+1) \\ 4x(2x^2+2x+1)-1(2x^2+2x+1) \\ =8x^3+8x^2+4x-2x^2-2x-1 \\ \text{Collecting similar terms together and simplifying further;} \\ =8x^3+8x^2-2x^2+4x-2x-1 \\ =8x^3+6x^2+2x-1 \end{gathered}

Therefore, the product of the polynomials is;

8x^3+6x^2+2x-1

3 0
1 year ago
3.
rodikova [14]

Answer:

Step 3.

Operation error, where the sign on the number changes from -ve to +ve where shifted to the left side of the equation.

Step-by-step explanation:

Given that  2(10 - 13x) + 9x = -34x + 60

<u>Step 1. Distribute</u>

20-26x+9x=-34x+60

<u>Step 2: Combine like Terms</u>

20-17x=-34x+60  -------------------------(-26x+9x = -17x)

<u>Step 3: subtraction property of equality</u>

-17x+34x=60-20--------------------- (60-20 =40)

-17x+34x=40

<u>Step 4 :Addition property of Equality</u>

-17x+34x=40-------------------(-17x+34x =17x)

17x=40

<u>Step 5: Division property of Equality</u>

17x=40

17x/17 = 40/17

x=40/17

Answer

x=40/17

<u>Errors</u>

In step 3

-17x+34x = 17 x and not 51x

In step 5

-51x=40

x=-40/51 (not the other way round, -51/40) however correct operation is supposed to be;

17x=40, hence x =40/17

4 0
3 years ago
Read 2 more answers
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n=5

Create equivalent expression in the equation that all have equal bases, then solve n
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In the real numbers what is the solution of the equation 8^2x+1=4^1-x
Anna11 [10]
3/65
is the awnser.good day


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3 years ago
Please help :) !!!!!!!!!!!
Mrrafil [7]
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