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Zepler [3.9K]
3 years ago
14

Holden and Bryson started to hike a portion of the Appalachian trail that is 12 2/5 miles long. Due to snow, they had to stop af

ter hiking 7 1/2 miles. How much of the trail did they miss hiking
Mathematics
1 answer:
Gemiola [76]3 years ago
8 0

Answer: 4 9/10

Step-by-step explanation: You need to subtract 12 2/5 and 7 1/2.

The two fractions have different denominators. Multiply to find a common denominator

2/5 x 2/2 = 4/10

1/2 x 5/5 = 5/10

Now you have 12 4/10 minus 7 5/10. But you cannot subtract 4/10 and 5/10 equally.

Subtract 12 - 1 and add 1 to 4/10.

12 - 1 = 11

10/10 (10/10 is 1) + 4/10 = 14/10

Now you have 11 14/10 minus 7 5/10. Subtract.

11 - 7 = 4

14/10 - 5/10 = 9/10

That makes 4 9/10.

Hope this is helpful :)

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A student knows the height of a pyramid and the area of its base. What should the student do to find the volume of the pyramid
Varvara68 [4.7K]

Answer:

Multiply the area of the base by the height and divide by 3.

Step-by-step explanation:

V = (1/3)Bh

where B = area of the base, and

h = height

Answer: Multiply the area of the base by the height and divide by 3.

5 0
3 years ago
Read 2 more answers
Given three collinear points A,B,C with B between A and C, four different rays can be named using points AB, BA, BC, CB. How man
Dmitry [639]

Answer:

Given n collinear points, 2(n -1) or 2n - 2 rays can be named

Step-by-step explanation:

When we talk of collinear points, we mean points that lie on the same straight line.

For 3 collinear points we can have 4 rays

For 4 collinear points, let’s say ABCD

A B C D

The rays are AB BA BC CB CD and DC making a total of 6

For 5 collinear points,

A B C D E

The rays are;

AB BA BC CB CD DC DE ED which makes a total of 8

For 6 collinear points, we have;

A B C D E F

The rays are;

AB BA BC CB CD DC DE ED FE EF which makes a total of 10

So what pattern do we notice?

3 points 4 rays

4 points 6 rays

5 points 8 rays

6 points 10 rays

7 points 12 rays

So using the pattern

n rays = 2n - 2 rays or simply 2(n - 1) rays

8 0
4 years ago
Please help!!
olganol [36]

Answer: I think that the answer is either 11 avocados or 9

Step-by-step explanation:

21-2.50 is 18.50

with this he can buy 9 with 15 dollars but he still has 3.50 left over

if he uses this left over change he can buy two more which would make 11.

If this is wrong I am sorry!

4 0
3 years ago
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Len [333]

(1,3)

Here you Go enjoy.

5 0
4 years ago
Julie drinks 4 bottles of water every day. How many
Lorico [155]

Answer:

28 bottles

Step-by-step explanation:

4 bottles per day, 7 days a week.

4 x 7 = 28 bottles

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3 years ago
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