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Helen [10]
3 years ago
6

brenda the brave sets to climb a mountain which is 12,000 feet high.She plans to climb 3000 feet each day,before taking overnigh

t rest. A mischievous mountain sprit, however decides to test Brenda's resolve.Each night, Brenda's sleeping bag,with her soundly sleep in it,is magically moved 2000 feet back down the mountain,so tht when Brenda awakes in the mourning she finds herself only 1000 feet higher than she was the morning before ! No one to give up.Brenda eventually succeeds,but how many days does it take her to reach the summit?
Mathematics
2 answers:
lidiya [134]3 years ago
8 0

Answer:

  10 days

Step-by-step explanation:

On day 1, Brenda reaches 3000 ft.

On day 2, Brenda reaches 4000 ft, having had to start from 1000 ft.

On day 3, Brenda reaches 5000 ft, having had to start from 2000 ft.

...

On day 10 Brenda reached 12000 ft, having had to start from 9,000 ft.

Brenda reaches a height that is 1000·(day+2).

It takes Brenda 10 days to reach the 12,000 ft summit.

kozerog [31]3 years ago
4 0

Answer:

12 i think

Step-by-step explanation:

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Triangle ABC is dilated to produce triangle A'B'C' with scale factor 3/4. which describes the relationship between the two trian
Nadya [2.5K]

Answer:

ΔA'B'C' is a reduction of ΔABC and ΔA'B'C' is similar to ΔABC.

Step-by-step explanation:

It is given that the triangle ABC is dilated to produce triangle A'B'C' with scale factor 3/4.

If a figure is dilated then preimage and image are similar.

If scale factor is between 0 to 1, then preimage is reduction of image.

If scale factor is more that 1, then preimage is enlargement of image.

If scale factor is 1, then preimage is congruent to the image.

We know that

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So,

0

Therefore, the ΔA'B'C' is a reduction of ΔABC and ΔA'B'C' is similar to ΔABC.

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3 years ago
Task 13: are the expressions equivalent? Simplify to prove, if the two expressions are not equal write the correct equivalence.
yarga [219]

Answer:

#5: Equivalent

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Step-by-step explanation:

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1 year ago
Need some help please
Gnoma [55]
You can use this to help you. label the triangle like the picture and use the equations. I hope this helps.

3 0
3 years ago
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Answer:

see explanation

Step-by-step explanation:

The exponents can only be added if the bases are the same

Here one base is 12 and the other is 11

So the rule of addition is not applicable.

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