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butalik [34]
3 years ago
8

Evaluate without using a calculator

Mathematics
1 answer:
EleoNora [17]3 years ago
6 0

Answer:

I can't see the question

Step-by-step explanation:

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(surds) write this in the simplest form and then simplify the expression
Stells [14]

Answer:   \bold{\sqrt{2}-15\sqrt{3}}

<u>Step-by-step explanation:</u>

.\quad \sqrt{128}-5\sqrt{27}+2\sqrt{32}-3\sqrt{75}\\\\=\sqrt{\underline{2\cdot 2}\cdot \underline{2\cdot 2}\cdot \underline{2\cdot 2}\cdot 2}-5\sqrt{\underline{3\cdot 3}\cdot 3}+2\sqrt{\underline{2\cdot 2}\cdot \underline{2\cdot 2}\cdot 2}-3\sqrt{2\cdot \underline{5\cdot 5}}\\\\=2\cdot 2\cdot 2\sqrt{2}-3\cdot 5\sqrt{3}+2\cdot 2\cdot 2\sqrt{2}-5\cdot 3\sqrt{2}\\\\=8\sqrt{2}-15\sqrt{3}+8\sqrt{2}-15\sqrt{2}\\\\=\sqrt{2}-15\sqrt{3}

4 0
4 years ago
Expanded form of 928
Mrac [35]

Answer: 900 + 20 + 8

6 0
3 years ago
Read 2 more answers
The amount of profit, p, you earn by selling knives, k, can be determined by: p=200k-500 a) Determine the constraints on profit
Natalka [10]
We are given with the formula
p = 200k - 500
a) The constraint for this formula is obtained from the idea that the profit must be positive
200k - 500 > 0 
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k > 2.5
b) To make 14000 profit
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k = 72.5 or 73 knives must be sold
3 0
3 years ago
Factor by grouping <br> 6x^2-12x+x-2<br> factor completely
Marianna [84]
Uh ye here you go stranger hoped this help

5 0
3 years ago
Fraction equivalent to 528\1000 simplified​
Reptile [31]

Answer:

66/125

Step-by-step explanation:

Divide top ad bottom by 8. The resulting fraction cannot be simplified further.

6 0
3 years ago
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