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Eduardwww [97]
4 years ago
15

0.28 + 0.2x = 1.5 ÷ 3 · 6.2 − 1.3

Mathematics
1 answer:
torisob [31]4 years ago
7 0
0.28 + 0.2x = 1.5/3 • 6.2 - 1.3
Calculate the expression
0.28 + 0.2x = 3.1 -1.3
Subtract the numbers
0.28 + 0.2x = 1.8
Move constant to right hand side and change it’s sign
0.2x = 1.8 - 0.28
Subtract the numbers
0.2x = 1.52
Divide both sides by 0.2 because we want the x alone
X = 7.6

(Different answers)
X = 38/5
X = 7 3/5
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4 years ago
Which statement is true about the value of the expression below?<br> PLEASE HELP
Naily [24]

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The answer is It is between 0 and 1

Step-by-step explanation:

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A snail can crawl 2/5 of a meter in a minute.
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Dmitriy789 [7]

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x^3 - 2x^2 + 9x - 18.

Step-by-step explanation:

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So we have:

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3 years ago
(Number 5)help plzzz
EleoNora [17]

Answer:

See below.

Step-by-step explanation:

So we want to prove that:

\sqrt8+\sqrt2=3\cdot 2^{\frac{1}{2}}

First, simplify √8. This is the same as:

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Therefore, our equation is now:

2\sqrt2+\sqrt2=3\cdot2^{\frac{1}{2}}

Combine like terms on the left:

3\sqrt2=3\cdot 2^\frac{1}{2}}

The square root of something is the same as taking that number to the one-half power. Thus:

3(2)^\frac{1}{2}}=3\cdot 2^\frac{1}{2}}

Rewrite:

3\cdot2^\frac{1}{2}}\stackrel{\checkmark}{=}3\cdot2^\frac{1}{2}}

And we're done!

6 0
3 years ago
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