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ehidna [41]
3 years ago
11

What is 20 percent of 9,500

Mathematics
1 answer:
iVinArrow [24]3 years ago
3 0

Answer:

1900

Step-by-step explanation:

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Multiply.
Crank
The main rules that we use here are :

i) \sqrt{a \cdot b}=  \sqrt{a} \cdot \sqrt{b} for nonnegative values a and b.

ii) \sqrt{a} \cdot  \sqrt{a} =a.


Thus, first 'decompose' the numbers in the radicals into prime factors:

4 \sqrt{3} \cdot 10 \cdot  \sqrt{2\cdot2\cdot3}\cdot  \sqrt{2\cdot 3}\cdot  \sqrt{2}..

By rule (i) we write:

4 \sqrt{3} \cdot 10 \cdot \sqrt{2}\cdot \sqrt{2}\cdot \sqrt{\cdot3}\cdot \sqrt{2} \cdot  \sqrt{3} \cdot \sqrt{2}.

We can collect these terms as follows:

40 \sqrt{3}\cdot (\sqrt{3}\cdot \sqrt{3}) \cdot (\sqrt{2}\cdot \sqrt{2}) \cdot( \sqrt{2} \cdot \sqrt{2}), and by rule (ii) we have:

40 \sqrt{3}\cdot 3 \cdot 2 \cdot2=40\cdot12\cdot \sqrt{3}=480 \sqrt{3}.


Answer: 480 \sqrt{3}.
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3 years ago
Slove for y . 3x+2y=-6
borishaifa [10]

Answer:

y = -(6+3x)/2

Step-by-step explanation:

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8 0
2 years ago
Simplify -4(x - 5) + 3(a - 7)
STatiana [176]

using the distributive property:

-4x + 20 + 3a - 21

Then combine like terms:

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A is the answer

7 0
3 years ago
Round 14,883 to the underlined place value.
nalin [4]

Answer: the answer when rounded would be 15000.... BUT the 4 in 14883 would be the underlined number.

Step-by-step explanation:

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Which list shows the values of the weight changes
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