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Harman [31]
3 years ago
7

Please help me due tonight

Mathematics
2 answers:
Svetlanka [38]3 years ago
8 0

Answer:

b.7\frac{2}{30}

Step-by-step explanation:

3\frac{2}{5}+3\frac{4}{6}\\=\frac{17}{5} +\frac{22}{6} \\=\frac{17*6}{5*6} +\frac{22*5}{6*5} \\=\frac{102}{30} +\frac{110}{30} \\=\frac{212}{30} \\=7\frac{2}{30}

Fittoniya [83]3 years ago
4 0

Answer:

7 1/15

Step-by-step explanation:

3 2/5 + 3 4/6 = 7 1/15

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the measure of angle a is 79 degrees

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Abdul, while driving to school, computes the average speed for his trip to be 20 km/hr. On his return trip along the same route,
gulaghasi [49]
You need to find the total distance and the total time. The total distance is two times the distance to school, 2d.s=d/t=>t=d/sWhere s is speed, d is distance and t is time. So the time taken to get to school is:d/s1and the time taken to get back is:d/s2so the total time is:d/s1+d/s2=d(1/s1+1/s2)So, as speed = distance/time, divide the total distance by the total time:2d/d(1/s1+1/s2)=2/(1/s1+1/s2)=2/(1/20+1/40)=80/3≈26.7km/hr
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3 years ago
The yard behind the Cindy’s house is rectangular in shape and has a perimeter of 72 feet. If the length l of the yard is 18 feet
PtichkaEL [24]
Let
L----------> <span>the length of the yard
W--------> </span><span>the width l of the yard

we know that
the perimeter is equal to
</span>P=2*[W+L]
72=2*[W+L] \\ 36=W+L  --------> equation 1
L=W+18  ------> equation 2
<span>substitute equation 2 in equation 1
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<span>
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</span>
4 0
4 years ago
Read 2 more answers
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3 years ago
A tradesman gives 4% discount on the marked price and gives 1 article free for buying every 15 articles and thus gains 35%. By h
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Answer:

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CP of 1 article = 32/3x16

= Rs 2/3

Required % = 1/3 x 3/2 x 100

= 50

4 0
3 years ago
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