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Likurg_2 [28]
3 years ago
6

Two buses departed simultaneously from the terminal. One travelled due south, and the other travelled due east at the rate of 2

km per hour faster than the other bus. After an hour, the buses are 10 km apart. What is the speed of each bus? (Hint: You may illustrate it first for better visualization.)
Mathematics
1 answer:
Solnce55 [7]3 years ago
6 0

Answer:

5km

Step-by-step explanation:

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What is the length of CD ? In this diagram ABC EDC ?<br> Please help !!!!
n200080 [17]
Answer:
CD = x = 4 units

Explanation:
We are given that the two triangles are similar. This means that we can set the similarity proportionality as follows:
\frac{BC}{CD} =  \frac{CA}{CE} =  \frac{AB}{ED}

W e have:
BC = 20 - x
AC = 20
CD = x
CE = 5

Substitute in the above proportionality and solve for x as follows:
\frac{20-x}{x} =  \frac{20}{5} = 4

4x = 20 - x
5x = 20
x = 4

Based on he above:
CD = 4 units
BC = 20 - x = 20 - 4 = 16 units

Hope this helps :)
5 0
3 years ago
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Answer:

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Step-by-step explanation:

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8 0
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3.2] I can rearrange formulas to solve for a specified variable.<br><br> Solve for r.<br> h=r-m
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Answer:

r = h + m

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2 years ago
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