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2 years ago

Please help me!!! And explain why you would do that because i dont get it????

Mathematics

2 answers:

Ksivusya [100]2 years ago

8 0

For the example you gave of m+83, you would just write it out, like "m plus eighty three"

yKpoI14uk [10]2 years ago

8 0

It's teaching you how to interpret word problems by having you convert the expression to words you may see in a problem. This expression may be seen in a word problem as "the sum of a number and eighty three".

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Find the value of k if the distance between (2,k) and (6,7) is 4√2 unit

andreyandreev [35.5K]

Answer:

k = 3

Step-by-step explanation:

We have the distance formula: $d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}$ . We can plug in $4\sqrt{2}$ = d, x2 = 6, x1=2, y2 = 7, y1 = k.

Then, we can solve the question using some algebra to find that k = 3.

Edit: Here is a step by step:

$4\sqrt{2} = \sqrt{(6-2)^2 + (7-k)^2}\\$

$(4\sqrt{2})^2 = (6-2)^2 + (7-k)^2$

$32 = (4)^2 + (7-k)^2$

$32 = 16 + (7-k)^2$

$32 - 16 = (7-k)^2$

$16 = (7-k)^2$

$\sqrt{16} = (7-k)$

$4 = 7-k$

$k = 3$

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2 years ago

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Step-by-step explanation:

combine 2x+7x then add the 1

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Step-by-step explanation:

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