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Ulleksa [173]
3 years ago
12

(Urgent) Solve: z/4 + 5 ≥ 5.5

Mathematics
2 answers:
NikAS [45]3 years ago
4 0

z/4 + 5  ≥ 5.5

subtract 5 from each side

z/4  ≥ .5

multiply by 4

z≥ 2

Olin [163]3 years ago
3 0

z/4 + 5 >= 5.5

     -5       -5      subtract 5 from both sides

z/4       >= 0.5  

x4              x4    times both sides by 4

z          >= 2.0

 

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X=9.5 all you do is divide the total by the other factor you have
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What fraction is greater than 7/12
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5/9 is grater than 7/12. same with 9/12, 6/7, 6/9
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A 16 1/2 kilometer stretch of road needs repairs. Workers can repair 2 1/4 kilometer of road per week. How many weeks will take
liraira [26]

Answer:

7\frac{1}{3}\ weeks

Step-by-step explanation:

we know that

To find out how many weeks it will take to repair this stretch of road, divide the total length of the road by the workers' rate

so

\frac{16\frac{1}{2}}{2\frac{1}{4}}

Convert mixed number to an improper fraction

16\frac{1}{2}\ km=\frac{16*2+1}{2}=\frac{33}{2}\ km

2\frac{1}{4}\ km=\frac{2*4+1}{4}=\frac{9}{4}\ km/week

substitute

(33/2)/(9/4)=\frac{132}{18}\ weeks

Convert to mixed number

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8 0
3 years ago
I️ have travelled around 75% of the edge of a circular path for 10 miles. What is the diameter of the circular path
KonstantinChe [14]
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So 10 miles = 0.75 * pi * d

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5 0
3 years ago
A one-way train ticket from New York to Los Angeles costs $197 for a reclining seat, and $490 for a twin-sharing room. How much
Alex777 [14]

The total cost if x passengers booked reclining seats and one fifths y passengers booked twin-sharing rooms is (197x + 98y) dollars

<em><u>Solution:</u></em>

Given that,

Cost for reclining seat = $ 197

Cost for twin sharing room = $ 490

We have to find the cost if x passengers booked reclining seats and one fifths y passengers booked twin-sharing rooms

<em><u>Cost for reclining room when "x" passengers booked is:</u></em>

Cost for reclining room = $ 197x

<em><u>Cost when One fifths y passengers booked twin-sharing rooms</u></em>

Cost for twin sharing room = \frac{1}{5} \times y \times 490

Cost for twin sharing room = 98y

<em><u>Total cost is given as:</u></em>

Total cost = Cost for reclining room "x" passengers + Cost for twin sharing room for one fifths y passengers

Total\ cost = 197x + 98y

Thus total cost is (197x + 98y) dollars

4 0
3 years ago
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