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NARA [144]
3 years ago
14

susan mountain elevation is 1530 meters. After 4 hours of climbing down to her elvationis 680 meters. What is susans avarge chan

ge in elevation, in meters per hour?
Mathematics
2 answers:
iVinArrow [24]3 years ago
8 0

Answer:

-850 is the answer

Step-by-step explanation:

NemiM [27]3 years ago
7 0

Answer:

-121.5

Step-by-step explanation:

I got this right on iready

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How to write 1/4 as a decimal number.
Sveta_85 [38]

Answer:

0.25

Step-by-step explanation:

1 divided by 4

7 0
2 years ago
Read 2 more answers
How are percents greater than 100 used in real world contexts
Paul [167]
Used show you have more than what is needed. Example is you need 6 slices of pizza for all your friends but have 7 slices you have more than is needed.
3 0
3 years ago
Can someone help me with this question
Tasya [4]
I’m pretty sure you add 78+55= 133
180-133=47
so 9x+2=47
subtract 2 from 47 and itself
so 9x=45
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8 0
3 years ago
Using the numbers 5, 8, and 24, create a problem using no more than four operations (adding, subtracting, multiplication, divisi
Alik [6]

The given three numbers are 5,8,24.

We have to use four operations (Adding, Subtracting,multiplication, division, square, square root, cube, cube root) out of these operation to make the result an irrational number.

1. \sqrt{\frac{24}{8}} + 5=\sqrt{3}+5,\\\\2. \sqrt{\frac{24}{8}} - 5=\sqrt{3} -5 \\\\ 3.\sqrt{\frac{24 \times 5}{8}}=\sqrt{15} \\\\ 4. (5 \times 8 \times 24)^\frac{1}{3}

There are many more examples that you can write.

Keep in mind

1. Sum of Rational and irrational is always irrational.

2. Difference of rational and irrational is always irrational.

As none of the 5,8,24 is a perfect square , nor addition of any two results in a perfect square, so square root of their addition or subtraction  or multiplication results in an  irrational number.

Similarly ,apart from 8, none of 5,24 is a perfect cube.So if you add or subtract any number from 8 and take their cube root  or square root ,results in an irrational number.

3 0
3 years ago
Read 2 more answers
What is the justification for each step in solving the inequality? -5(4x+6<-18x+6+4x
Daniel [21]
Hi there!

Everything looks correct except for the step to get to -6x < 36. Here you put multiplication property of order, and to get here you have to add 30 to both sides, so it would actually be the addition property of order.

I hope I helped!
5 0
3 years ago
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