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Anton [14]
3 years ago
15

A 13 1/2 kilometer stretch of road needs repairs. Workers can repair 2 1/4 kilometer of road per week how many weeks will it’s t

ake to repair this stretch of road
Mathematics
1 answer:
MAVERICK [17]3 years ago
6 0
6 weeks

Workers can repair 4 1/2 miles of road in two weeks. Double that to get 9 miles in four weeks. Add another 4 1/2 miles in two weeks to get 13 1/2 miles. That's a total of six weeks. 
You can also just multiply 9/4 by 6:
9/4x6=54/4=13.5, or 13 1/2.

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What is the answer to this equation
ioda
The answer would be g i would say so

8 0
4 years ago
Find the table with unit rates greater than the unit range in the graph. Then arrange these tables in order from least to greate
Lubov Fominskaja [6]

Answer:

Except table 2, all tables have greater unit rate than the graph.

The required arrangements of tables is  

Table 2 < Table 1 < Table 3 < Table 5 < Table 4 < table 7 < Table 6

Step-by-step explanation:

Formula for unit rate :

m=\dfrac{y_2-y_1}{x_2-x_1}

From the given graph it is clear that the line passes through the points (0,0) and (11,20). So, unit rat of graph is

m=\dfrac{20-0}{11-0}=1.8181...

Similarly, we need to calculate the unit rate for each table.

m_1=\dfrac{26-13}{14-7}=\dfrac{13}{7}=1.85714

m_2=\dfrac{18-9}{10-5}=\dfrac{9}{5}=1.8

m_3=\dfrac{34-17}{18-9}=\dfrac{17}{9}=1.88..

m_4=\dfrac{42-21}{22-11}=\dfrac{21}{11}=1.9090..

m_5=\dfrac{38-19}{20-10}=\dfrac{19}{10}=1.9

m_6=\dfrac{50-25}{26-13}=\dfrac{25}{13}=1.923

m_7=\dfrac{46-23}{24-12}=\dfrac{23}{12}=1.9166..

Except table 2, all tables have greater unit rate than the graph.

The required arrangement of tables is  

Table 2 < Table 1 < Table 3 < Table 5 < Table 4 < Table 7 < Table 6

4 0
3 years ago
Im so confused rn i have no idea how to do this my teacher didnt teach us this
dimulka [17.4K]

Answer:

you use the mean method. and then round.

8 0
3 years ago
Read 2 more answers
A construction company takes 1/6 hours to remove 1/3
katen-ka-za [31]

Answer:

2 tons of dirt per hour

Step-by-step explanation:

helpful to know: 1/6 hours = 10 minutes

you can create a proportion to find unit rate by using (tons of dirt ÷ time)

we'll use 'd' to represent amount of dirt and use minutes

1/3÷10 = d/60

1/3÷10 = 1/3 × 1/10 = 1/30

we now have:

1/30 = d/60

we can cross-multiply to get:

30d = 60

d = 2

6 0
3 years ago
Convert the following to scientific notation: 5050​
ozzi

Answer:

5.05*10³

Step-by-step explanation:

  • <em>Put the decimal after the first digit and drop the zeroes. To find the exponent count the number of places from the decimal to the end of the number.</em>
  • 5050​ = 5.05 *1000 = 5.05*10³
5 0
3 years ago
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