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Maksim231197 [3]
3 years ago
14

Eric was rock climbing. At one point, he stopped and climbed straight down 2 1/2 METERS

Mathematics
2 answers:
wlad13 [49]3 years ago
4 0

Answer:

CHOOSE B IF ThIS QUESTION POPS IN KHAN

Step-by-step explanation:

sasho [114]3 years ago
3 0

Answer:

+4\frac{1}{4} meters

Step-by-step explanation:

Let's take climbing down as "negative" and climbing up as "positive". Now, we can simply use the numbers and signs to find the change in elevation.

  • 2\frac{1}{2} meters down means -2\frac{1}{2}
  • 6\frac{3}{4}meters up means +6\frac{3}{4}

So, now we have:  -2\frac{1}{2}+6\frac{3}{4}\\=-\frac{5}{2}+\frac{27}{4}\\=\frac{-5(2)+27}{4}\\=\frac{-10+27}{4}\\=\frac{17}{4}=4\frac{1}{4}

<u>Eric's elevation changed  4\frac{1}{4} meters above. So after the 2 moves, he is up by  4\frac{1}{4} meters.</u>

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A bale of hay was 100 cm long by 40 cm wide by 20 cm tall. What is the volume of the bale of hay?
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80000 cm cubed

Step-by-step explanation:

L*W*H

100*20*20

8 0
3 years ago
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Jacks mother gave him 50 chocolates to give to his friends at his birthday party. He gave 3 chocolates to each of his friends an
nevsk [136]

16

Explanation:

Okay so Jack started with 50 chocolates, and ended with 2. 
The simple way to calculate it would be by realising that Jack only distributed 48 chocolates. We can find how many times 3 fits into 48 by dividing <span>48÷3=16</span>.

Using algebra, we substitute the value we want to find with x. Here what we want to find is the number of friends that were at Jack's party.

We know that he started with 50 chocolates, then distributed <span>3×</span> the number of friends present (which is x). 
We write that down as <span>50−3x</span> 
(It's minus because when chocolates are distributed, Jack is taking away from what he has.)

We know that after this, there were only 2 chocolates left, so it's 
<span>50−3x=2</span>

Then we proceed by moving all the numbers to the right until only x is left:

<span>−3x=2−50</span>
<span>−3x=−48</span>

<span>x=<span><span>−48</span><span>−3</span></span></span>

<span>x=16</span>

Conclusion: The number of people that attended the party was 16

7 0
3 years ago
Read 2 more answers
April took out a $600 loan from the
VARVARA [1.3K]

Answer:

2%

Step-by-step explanation:

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2 years ago
The sum of two numbers is 54. The smaller number is 18 less than the larger number. What are the numbers?
igomit [66]

Answer:

The larger number is 37.  This makes the smaller number 56 - 37, which is 19.

Step-by-step explanation:

 

The first step is to pick variables for the two numbers.  Lets call the smaller number x and the larger number y.

Since the sum of the two numbers is 56, this means that x + y = 56.  Let's call this equation 1 and save it for later.

 

The next sentence says:

The smaller number is 18 less than the larger number.  So, 18 less than the larger number would be y - 18.  So, the smaller number must be equal to this, so

 

x = y - 18

 

Replace the x in equation 1 with y - 18

 

x + y = 56

(y-18) + y = 56   (replace x with y-18)

2y - 18 = 56        (add the y's)

2y = 74               (add 18 to both sides)

y = 37                 (divide both sides by 2)

 

So, the larger number is 37.  This makes the smaller number 56 - 37, which is 19.

 

Hope this helps!!  :)

8 0
3 years ago
List all the factors of the number 48.
Anni [7]
The answer would be 1,2,3,4,6,8,12,16,24,48

hope this helps!
4 0
3 years ago
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