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Hunter-Best [27]
2 years ago
10

Where would parenthesis need to be placed in the expression to get a value of 44?

Mathematics
1 answer:
melisa1 [442]2 years ago
7 0

Answer:

<em>one of the options are correct</em>

Step-by-step explanation:

Given the expression 2 + 32*5-3, we are to locate the point where parenthesis will be placed to get 44;

There is no point where we are we are going to put parenthesis to get 44

For Option A :

2+32×(5−3)

= 2+ 32 * 2

According to PEMDAS, multiplication is next in precedence

= 2(32*2)

= 2(64)

= 128

For Option B:

2+(32*5)-3

= 2+160-3

= 162-3

= 159

For Option C:

(2+32) * 5 - 3

= 34 * 5 -3

= 170-3

= 167

For Option D:

(2+3)2*5 - 3

5(2)*5 - 3

10*5 -3

= 50 - 3

= 47

<em>From the expansion, none gave us 44, hence none of the options are correct</em>

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when you add all interior angles in an octagon you should get 1080

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Answer:

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3 years ago
Ralph buys a desk that regularly sells for $250 and a desk chair that regularly sells for $145. both items are on sale at 15% of
Lunna [17]
C) (0.85 + x/100)(250+145) does not give the correct answer.

Explanation
A) works; adding the two costs together is 250+145=395.  We multiply this by 0.85 because 100%-15%=85%=0.85.  We also have x% tax, which is represented by x/100, added to 100% of the value, or 1.00.  Altogether this gives us 
395(0.85)(1+x/100) = 395(0.85 + (0.85x/100)) = 395(0.85) + 395(0.85x/100)
= 395(0.85) + 395(0.0085x)
B) works; we have 250+145 for the original price; we have 85% = 0.85 of the value; we also have 100% + x%, which is (100+x)/100.
C) does not work; (0.85+x/100)(395) does not take into consideration that you are finding the tax after taking the 85%.  This will simplify out to
0.85*395 + (x/100)(395) = 335.75 + 395x/100 = 335.75 + 3.95x, which is too much.
D) works; simplifying the expression from A, we have 395(0.85) + 395(0.0085x) = 335.75 + 3.3575x.
6 0
3 years ago
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Sveta_85 [38]

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B. D. x < x + 1, because solving it yields an inequality that is True for all real numbers x.

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<h3>Which inequality represents graph B?</h3>

For graph B, as the entire line is plotted, we have a inequality with all real values as solution.

From the same logic above, of the successor, the correct option is:

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More can be learned about inequalities at brainly.com/question/25235995

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4 0
2 years ago
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lianna [129]

Answer:

5 hours

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325/65=5

3 0
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