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3 years ago

HELP!! -2 1/3 -(-5)=?

Mathematics

2 answers:

andrew-mc [135]3 years ago

4 0

-2 1/3 -(-5)= 8/3
convert the mixed number to an improper fraction (7/3)

andriy [413]3 years ago

3 0

Answer: Exact Form: 8/3

Decimal form: 2.6

Step-by-step explanation: The six is repeated so put a line above the 6 if you answering it on paper.

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Which of the points is NOT one of the vertices (s,t) of the shaded region of the set of inequalities shown below?

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Answer:

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Given: set of inequalities

To find: Points which do not satisfy all the inequalities

Solution:

For point $(15,0)$ :

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So, (15, 0) satisfies all the inequalities

For point $(7.5,7.5)$ :

$7.5\leq 30-3(7.5)=30-22.5=7.5\\7.5\geq 15-7.5=7.5\\7.5\leq 25-7.5=17.5\\7.5\geq 0\\7.5\geq 0$

So, (7.5, 7.5) satisfies all the inequalities

For point (22.5,2.5):

$22.5\leq 30-3(2.5)=30-7.5=22.5\\22.5\geq 15-2.5=12.5\\22.5\leq 25-2.5=22.5\\22.5\geq 0\\2.5\geq 0\\$

So, (22.5,2.5) satisfies all the inequalities

For point (7.5 ,0):

Put s = 7.5 and t = 0 in $s\geq 15-t$

$7.5\geq 15-0=15$ which is false

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1: Is 5 / 3(1-x) Equivalent to 8-8x<br><br> 2: Is 2(6 - 3x) equivalent to 2(3x) +x?

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