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ollegr [7]
2 years ago
9

Help me please.

Mathematics
2 answers:
kupik [55]2 years ago
4 0

Answer:

I think it's 20%

Step-by-step explanation:

16 is 80% of 20.

Lemur [1.5K]2 years ago
4 0
The percent error would be 25% i used a percent error calculator to find the answer hope
this helps

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an article when sold at a profit of 5% yields rupees 50 more than when sold at a loss of 5% what was the cost price of the artic
ziro4ka [17]

I'm going to assume that the question should say “at a profit of 5%”.

Restate question in the form of a equation.

Let C = the cost price of the item.

C + 0.705 C = C - 0.05 C + Rs 50

0.05 C = - 0.05 C + Rs 50

0.10 C = Rs 50

C = Rs 500

The cost price of the item is Rs 500

I hope this help you

6 0
3 years ago
Please help me
Solnce55 [7]

Answer:

4x^2-81y^2 is NOT a perfect square trinomial, factored. You know this because if you factor this to (2x+9y)(2x-9y) then you will see that the signs between terms in the parenthesis are DIFFERENT.

Step-by-step explanation:

Taking notes as you go through the course will help you retain and process the information much better than getting "help" from a site that is probably badly named.

4 0
2 years ago
What is the correct order of operations for simplifying the expression 2 - 3x + 5 + 71 - 5x)2+x
lisov135 [29]

Answer:

Your answer would be: square the binomial, distribute 7 inside the parentheses, and then combine like terms

Step-by-step explanation:

6 0
2 years ago
There are three cans of juice in the refrigerator and three-fourths of a fourth can. Write a mixed number that represents the am
Gemiola [76]
The answer 3 3/4 . Because there are three ( 3 ) whole cans of jucies in the refrigerator and the fourth can of juice is 3/4 . Thats how  you get the answer .
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3 years ago
Find the derivative by definition of the function 2x^3-x^2+4
nikklg [1K]
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6 0
3 years ago
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