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solniwko [45]
3 years ago
11

A climber is on a hike.after 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is

the average rate of change?
Mathematics
1 answer:
aniked [119]3 years ago
8 0
75 ft


Hope that helps, Good luck! (:
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The base of a triangle is 4 meters shorter than the height. What are the height and length of the triangle if its area is 48 squ
Sergeeva-Olga [200]

Answer: H=12 and B=8

Looking at the problem, you are given the area, <em>a</em> , and told the h is 4 meters longer than <em>b; </em>in other words, <em>h</em>=<em>b</em>+4.

Since <em>a=</em>1/2<em>bh</em>, you can replace <em>a</em> with 48. Also, since <em>h</em> is <em>b</em>+4, you can replace that as well. You'd end up with this equation:

48=1/2b(b+4)

1. Seeing that 48 is 1/2 of <em>b,</em> you know that you have twice the value of 48, or 96. So, you can put that 96=<em>b(b+4). </em>

2.<em> </em>Now, thinking through factors of 96-  1 x 96, 2 x 48, 3 x 32, 4 x 24, 6 x 16, or 8 x 12, the only pair in which <em>h </em>is b+4 is 12 x 8.

Hope this helps,

Lacia :))

8 0
2 years ago
Need help answering this
makkiz [27]

Answer:

add the 2 equations together

Step-by-step explanation:

i was in class when I heard this so it should be correct

5 0
3 years ago
Is y = −x linear n nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
Aleonysh [2.5K]

Answer:

Yes it is linear

Step-by-step explanation:

Because when you go to graph it, it is a straight line. Hope this helped.....

5 0
3 years ago
Read 2 more answers
Write an explicit rule for the geometric sequence 4, 8, 16, 32, ..
Paul [167]
First term:  a(1) = 4; common ratio:  r = 2

Then:

a(n) = 4(2)^(n-1)

Check:  Predict the 4th term using this formula:

a(4) = 4(2)^3 = 4(8) = 32  (correct)
5 0
3 years ago
Read 2 more answers
Write in terms of i<br> Simplify your answer as much as possible.<br> square root of -48
grandymaker [24]
The square root of -48 is 2 because 2x2x2x2x2x2x is not -48
7 0
3 years ago
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