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2 years ago

Elena walked 12 miles. Then she walked 0.25 that distance. How dar did she walk all together?

Mathematics

2 answers:

Artist 52 [7]2 years ago

6 0

Answer:

15 miles

Step-by-step explanation:

First she walked 12 miles

Then she walked .25 * 12 = 3 miles

How far did she walk in all

12 + 3 = 15

She walked 15 miles

choli [55]2 years ago

5 0

Answer:

15 miles

Step-by-step explanation:

(initial amount walked) + (second amount walked) = answer

12 + (12 x .25) = ?

12 + 3 = 15

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Answer:

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Step-by-step explanation:

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Answer:

9.5 inches

Step-by-step explanation:

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Lyrx [107]

Answer:

Let x rep the lenght of the shorter one

Then the longer one is 2x+1

Therefore

(2x+1) + x = 16

We now solve for x

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3x = 16 -1

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3 years ago

Simplify 5+2i/6+i

nlexa [21]

Given problem is $\frac{(5+2i)}{(6+i)}$

To simplify that we need to multiply and divide by conjugate of the denominator

conjugate of denominator 6+i will be 6-i as we just need to change sign of the imaginary part

Now multiply and divide by 6-i

$=\frac{(5+2i)}{(6+i)}\cdot\frac{(6-i)}{(6-i)}$

$=\frac{30-5i+12i-2i^2}{36-6i+6i-i^2}$

$=\frac{30+7i-2i^2}{36-i^2}$

$=\frac{30+7i-2\left(-1\right)}{36-\left(-1\right)}$

$=\frac{30+7i+2}{36+1}$

$=\frac{32+7i}{37}$

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Step-by-step explanation:

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