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gavmur [86]
3 years ago
15

hina travels between the two mile markers shown and then find her average speed in miles per hour. Select the three equations th

at represent this situation
Mathematics
1 answer:
AleksAgata [21]3 years ago
6 0

Answer:

Please rephrase, i cant understand the question

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(15.2*0.25-48.51/14.7)/x=(13/44-2/11-5/66/2.50)1.2/(3.2+0.8(5.5-3.25)
goldfiish [28.3K]

Answer:

x = 41.67

Step-by-step explanation:

The above equation, would be simplified or divided into parts;

Therefore, the given equation becomes;

A/x = B/C

Where;

A = (15.2*0.25-48.51/14.7)

B = (13/44-2/11-5/66/2.50)1.2

C = 3.2+0.8(5.5-3.25)

x = unknown variable.

<u>Part A</u>

(15.2*0.25-48.51/14.7) = (15.2*0.25 - 3.3)

A = (3.8 - 3.3)

A = 0.5

<u>Part B</u>

(13/44-2/11-5/66/2.50)1.2 = (0.3 - 0.18 - 0.030) * 1.2

B = 0.09 * 1.2

B = 0.108

<u>Part C</u>

(3.2+0.8(5.5-3.25)

C = 4*(2.25)

C = 9

<em>Substituting the values into the equation, we have;</em>

0.5/x = 0.108/9

<em>Cross-multiplying, we have;</em>

9 * 0.5 = 0.108x

4.5 = 0.108x

x = 4.5/0.108

x = 41.67

6 0
2 years ago
Please help me with problem 22a I dont understand how to find the rate of change
Anna [14]
The rate of change is x2. So, since it's forty, it became 80 because 40x2=80!
         Good luck for a good grade!
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3 years ago
a hot air balloon is currently 100 feet above the ground. After 5 minutes, the hit air balloon is 40 feet above the ground. writ
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Here is the Answer:

Step-by-step explanation:

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2 years ago
Caroline needs to find 15% of $128, but she doesn’t have a calculator. Thoroughly Explain how she can do this mentally, detailin
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So multiply 128 by 15 to get 1920 and then move the decimal over two places to get 19.20 and then subtract that $19.20 from $128 to get $108.8
3 0
3 years ago
How to solve this problem?
Rus_ich [418]
Which one is your problem? Add picture
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3 years ago
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