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3 years ago

The reciprocal of 1 2/5

Mathematics

1 answer:

Mnenie [13.5K]3 years ago

7 0

5/7

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Is quadrilateral JKLM the result of a dilation of quadrilateral ABCD by a scale factor of 2? Why or why not? Yes, because sides

scZoUnD [109]

I'm taking this pre-test right now. I think the answer is "No, because sides JM and KL have different slopes from sides AD and BC."
After looking closely, it looks like JM and KL are slightly steeper lines than AD and BC.

7 0

3 years ago

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Please help with this qn :)

zepelin [54]

Answer:

4 is the length

Step-by-step explanation:

14 and 4

14 x 14 + 4 x 4 = 212

14 + 4 = 18

7 0

2 years ago

Solve each equation by completing the square. n^2 - 6n + 6 = -2

Law Incorporation [45]

<h3><u>Explanation</u></h3>

Separate the constant out of expression.

$( {n}^{2} - 6n) + 6 = - 2$

Find the constant that makes the expression able to be squared. You have to subtract the separated constant by new constant as well.

$( {n}^{2} - 6n + 9) + 6 - 9 = - 2 \\ {(n - 3)}^{2} - 3 = - 2 \\ {(n - 3)}^{2} = 1$

Square Root both sides to get rid the squared expression. Make sure to write plus or minus.

$\sqrt{ {(n - 3)}^{2} } = + \sqrt{1} \\ \sqrt{ {(n - 3)}^{2} } = - \sqrt{1} \\ n - 3 = 1 \\ n - 3 = - 1$

$n - 3 = 1 \: \: \: or \: \: \: n - 3 = - 1 \\ n = 1 + 3 \: \: \: or \: \: \: n = - 1 + 3 \\ n = 4 \: \: \: or \: \: \: n = 2$

<h3><u>Answer</u></h3>

$\large \boxed {n = 4,2}$

3 0

3 years ago

Plsss help me with this mathhhhh!!!!!!!

Dmitriy789 [7]

Answer:

5357.142857

Step-by-step explanation:

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3 years ago

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Simplify 4.2(2x − 0.5y) − 2(4.1x − 0.3y)

garik1379 [7]

Multiplying 4.2 with the value was given in the bracket, then multiply -2 with the values given in the bracket,we get [8.4x - 2.1y - 8.2x + 0.6y]
then we simply the x and y terms, and the answer is [0.2x - 1.5y]

hope this helped!!

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3 years ago

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