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Brut [27]
3 years ago
10

What is 3 1/2+4 5/6?

Mathematics
1 answer:
MissTica3 years ago
3 0
3 1/2 + 4 5/6

Multiply 3 1/2 by 3/3 so that both fractions have "6" as their bottom number (denominator).

3 1/2 × 3/3 = 3 3/6

So, our new question is this : 3 3/6 + 4 5/6

Basically, when both fractions have the same bottom number (denominator), all you have to do is add the top numbers (numerators) as well as adding the whole numbers. Remember, you always keep the bottom number (denominator) the same when you are adding or subtracting.

Whole number : 3 + 4 = 7

Numerator : 3 + 5 = 8

Denominator : 6

So, our answer is 7 8/6

However, because the top number (numerator) is greater than the bottom number (denominator), you have to make the whole number larger.

So, our answer is 8 2/6

Simplify.

8 1/3

~Hope I helped!~
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7 0
3 years ago
Can someone help me with this? Please and thank you
iren [92.7K]

9514 1404 393

Answer:

  10x +6

Step-by-step explanation:

The perimeter is twice the sum of length and width:

  P = 2(L +W)

  P = 2((4x +3) +x)

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7 0
3 years ago
If z²+1/z²=14, find the value of z³+1/z³ by taking only the positive value of z+1/z
Phantasy [73]

<h2><em>THE ANSWER IS 52</em></h2>

<em>Given z²+1/z² =14 </em>

<em>using above equation</em><em>,</em>

<em> z²+1/z² = 14</em>

<em>add 2 on both side,</em>

<em>z² + 1/z² + 2 = 14 + 2</em>

<em>the LHS is whole square of z + 1/z</em>

<em>so we can write it</em>

<em> (z + 1/z)² = 16z + 1/z = 4</em>

<em>Now we know,</em>

<em>(a + b)³ = a³ + b³ + 3ab(a+b)</em>

<em>here, a = z and b = 1/z,</em>

<em>substituting a and b in equation we will get</em><em>,</em>

<em>(z + 1/z)³ = z³ + 1/z³ + 3z/z( z+ 1/z)</em>

<em>4³ = z³ + 1/z³ + 3×4</em>

<em>z³+ 1/z³ = 64-12</em>

<em>z³ + 1/z³ = 52</em>

4 0
3 years ago
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Answer:
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explanation:
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