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3 years ago

I have 3 problems that I don't understand on my home work can some one help

2 answers:

6 0

I think you will have to divied 60 by 20 so it might be 30 dollars.
I think number 2 is 60 dollars.
Maybe it is 12 dollars and 50 cents.

Ronch [10]3 years ago

4 0

1.) 60-(20% of 60)
60-(.2 * 60)
60-12
48
The pants are $48
2.)30% of x = 20
.3x = 20
.3x/.3= 20/.3
x = 66.6666666...
The pants were $66.67
3.) 25 + (20% of 25)
25+(.2*25)
25+5
30
The magazine is now $30.

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Subtract 7x^2−5xy+8y2 from −2x^2−15xy+9y^2

Digiron [165]

Answer

Subtract $7x^2 -5xy+8y^2$ from $-2x^2 -15xy+9y^2$

then;

$-2x^2 -15xy+9y^2 - (7x^2 -5xy+8y^2)$

Remove the bracket we have;

$-2x^2 -15xy+9y^2 - 7x^2 + 5xy - 8y^2$

Like terms are those terms which have same variable to the same power.

Combine like terms;

$-9x^2 -10xy+y^2$

Therefore, Subtracting $7x^2 -5xy+8y^2$ from $-2x^2 -15xy+9y^2$ we get $-9x^2 -10xy+y^2$

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2 years ago

[(-6) + 5] ÷ [(-2) + 1]

Ira Lisetskai [31]

Answer:

Answer is 1

Explanation:

(-6 + 5) / (-2 + 1)

-1 / -1

1

3 0

3 years ago

Read 2 more answers

What is the quotient of 2 divided by 1/6

jekas [21]

It is 12 since 1/6=6^-1=6
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5 0

3 years ago

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Which Of The Following Is The Factored Form Of The Expression 18 + 12

oee [108]

Correct answer is
<span>C. 6(3 + 2)</span>

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3 years ago

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I don’t understand this

Dahasolnce [82]

Answer:

Yes

Step-by-step explanation:

Statement 1: If JK and LM bisect each other then, they divide each other in 2 equal parts.

So,

JP = PK [Because of statement 1]

MP = PL [Because of statement 1]

∠JPM = ∠LPK [Because they are vertically opposite angles]

So, ΔJPM ≅ to ΔKPL [By SAS congruence criteria of triangle]

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2 years ago