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Marina86 [1]
3 years ago
14

What is the simplified form of the expression 2 * [(1+14)*7]+6/0.5^3?

Mathematics
2 answers:
wel3 years ago
7 0
2 \cdot [(1+14)\cdot7]+6:0.5^3=2\cdot(15\cdot7)+6: ( \frac{1}{2})^3 =2\cdot105+6: \frac{1}{8} =\\ \\=210+6\cdot 8=210+48=258
natali 33 [55]3 years ago
6 0
2*(1+ 14)7 + 6/0.5^3
=  2*15*7 + 6/ 0.125
=210 + 6000/125
=  210 + 48 =       258
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Simplifying

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Solving

x2 = -28 + 16x

Solving for variable 'x'.

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28 + -16x + x2 = -28 + 16x + 28 + -16x

Reorder the terms:

28 + -16x + x2 = -28 + 28 + 16x + -16x

Combine like terms: -28 + 28 = 0

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28 + -16x + x2 = 16x + -16x

Combine like terms: 16x + -16x = 0

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Factor a trinomial.

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Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve:

Simplifying

2 + -1x = 0

Solving

2 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-2' to each side of the equation.

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Combine like terms: 0 + -2 = -2

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Divide each side by '-1'.

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Simplifying

x = 2

Subproblem 2

Set the factor '(14 + -1x)' equal to zero and attempt to solve:

Simplifying

14 + -1x = 0

Solving

14 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-14' to each side of the equation.

14 + -14 + -1x = 0 + -14

Combine like terms: 14 + -14 = 0

0 + -1x = 0 + -14

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Combine like terms: 0 + -14 = -14

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Divide each side by '-1'.

x = 14

Simplifying

x = 14

Solution

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Step-by-step explanation:

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5 0
3 years ago
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By using the second condition, we conclude that there are 23 white roses in the tray.

<h3>How many white roses are in the tray?</h3>

First, we know that there are a total of 50 roses in the tray, and we have the conditions:

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The second statement means that, always that we take 28 roses, at least one of them is white. So, there are 27 roses in the tray that are not white.

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Answer:

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The reason for statement 4 is CPCTC.

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