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2 years ago

C) How could you use estimation to determine if your answer is reasonable? Explain.

1 answer:

8 0

Estimation would give you an answer close to the actual answer so you can see if your answer is reasonable depending on how close the estimate is

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How can a translation and a reflection be used to map ΔHJK to ΔLMN? Translate K to N and reflect across the line containing HJ.

Svet_ta [14]

Answer:

Translate K to N and reflect across the line containing JK.

Step-by-step explanation:

The rest of the question is the attached figure.

From the figure, we can deduce the following:

∠K = ∠N

JK = MN

HK = LN

So, N will be the image of K

By translating K to N, The segment JK will over-lap the segment MN,

Then, we need to reflect the point H across the the line containing JK to get the point L

So, the translation and a reflection that will be used to map ΔHJK to ΔLMN:

Translate K to N and reflect across the line containing JK. 

3 0

3 years ago

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(x-4)/(2x+1)-3 can you help me with this question

lilavasa [31]

Answer:

$\frac{(x - 4)}{(2x + 1)} - 3$ $=$ $\frac{-7x- 7}{3x + 1}$

Step-by-step explanation:

Given

$\frac{(x - 4)}{(2x + 1)} - 3$

Required

Solve

Express 3 as a fraction

$\frac{(x - 4)}{(2x + 1)} - \frac{3}{1}$

Take LCM

$\frac{x - 4 - 3(2x + 1)}{3x + 1}$

$\frac{x - 4 - 6x - 3}{3x + 1}$

Collect Like Terms

$\frac{x - 6x- 4 - 3}{3x + 1}$

Simplify like terms

$\frac{-7x- 7}{3x + 1}$

Hence:

$\frac{(x - 4)}{(2x + 1)} - 3$ $=$ $\frac{-7x- 7}{3x + 1}$

4 0

2 years ago

A man who is six feet tall casts a shadow fifteen feet long at the same time a shadow of a tree

Aleksandr-060686 [28]

Answer:

The tree is thirty feet tall (30)

Step-by-step explanation:

So you divide 6 by 15 and you get .4

Then you multiply .4 by 75

And then you have 30

which the answer is 30

7 0

2 years ago

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Write an inequality that represents the phrase: a number greater than - 7

Arada [10]

Answer: x > -7

Step-by-step explanation: Just convert the greater than into a number, and you'll be good to go!

Hope this helps!

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2 years ago

What percent is 608 million of 845 million

valentina_108 [34]

39percent from 608millon

8 0

2 years ago

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