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il63 [147K]
3 years ago
11

Lena had $12. She bought a pack of craft paper for $6 and a sharpener for $2. Which expression correctly shows the total money L

ena has left? A $12 − (−$6) + (−$2) B $12 + (−$6) − (−$2) C $12 − (−$6) − (−$2) D $12 + (−$6) + (−$2)
Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
7 0
The anserw will be D
stiks02 [169]3 years ago
3 0
Lena spent $8 so she has $4 left. A isn't right because the answer to that is 16. B isn't right because it equaled 8. C equaled 20. D equaled 4 so the answer is D.
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For a singing contest in which 42,000 votes were cast, the winner received 3/5 of the votes. How many votes did the winner not r
kirza4 [7]

42,000 x .60 (3/5)=25200

42,000-25,200= 16,800

8 0
3 years ago
What is the difference?
worty [1.4K]

Answer:

4th option

Step-by-step explanation:

Given

\frac{x}{x^2+3x+2} - \frac{1}{(x+2)(x+1)} ← expand denominator using FOIL

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Since the denominators are common, then subtract the numerators

= \frac{x-1}{x^2+3x+2}

5 0
3 years ago
144x^{2}[/tex]-169<img src="https://tex.z-dn.net/?f=-y%5E%7B2%7D" id="TexFormula1" title="-y^{2}" alt="-y^{2}" align="absmiddle"
Ainat [17]

Answer:

144x^2−y^2−169 because ther are no like terms

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Hi pls help! ill mark u brainliest
mina [271]

Answer:

450+70x

Step-by-step explanation:

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3 years ago
What are the variables in the expression below?
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