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3 years ago

A train traveled 1360 miles in 16 hours. What was the average speed of the train in miles per hour?

Mathematics

1 answer:

notsponge [240]3 years ago

5 0

Answer:

85 miles per hour

Step-by-step explanation:

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23 degrees 20’48 is the same as _degrees.

allochka39001 [22]

Answer:

$\large\boxed{23^o20'48''=\left(23\dfrac{26}{75}\right)^o}$

Step-by-step explanation:

$\text{We know:}\\\\1^o=60'\to1'=\left(\dfrac{1}{60}\right)^o\\\\1'=60''\to1^o=(60)(60'')=3600''\to1''=\left(\dfrac{1}{3600}\right)^o\\\\23^o20'48''\\\\20'=\left(\dfrac{20}{60}\right)^o=\left(\dfrac{1}{3}\right)^o\\\\48''=\left(\dfrac{48}{3600}\right)^o=\left(\dfrac{1}{75}\right)^o\\\\\text{Therefore}\\\\23^o20'48''=23^o+20'+48''=23^o+\left(\dfrac{1}{3}\right)^o+\left(\dfrac{1}{75}\right)^o\\\\=\left(23+\dfrac{1\cdot25}{3\cdot75}+\dfrac{1}{75}\right)^o=\left(23+\dfrac{25}{75}+\dfrac{1}{75}\right)^o=\left(23\dfrac{26}{75}\right)^o$

4 0

4 years ago

Find the values of x and y.

miss Akunina [59]

Answer:

a,b,c

Step-by-step explanation:

first pic-x=20 y=20/3

second=x=24 y=12/3

third=x=27 y=54

6 0

4 years ago

Put these numbers from least to great 0.005,0. 021,0. 25,0.5

Alex_Xolod [135]

Answer:

0.005, 0.021, 0.25, 0.5

4 0

3 years ago

An arena is hosting a concert. At the most, the arena can hold 8,500 people. If tickets have already been sold to 6,900 people,

ElenaW [278]

Answer:

Subtract 6,900 from 8,500 to get the highest number of tickets that can still be sold which is 1,600.

8 0

3 years ago

Find the missing Side of the triangle

sammy [17]

Answer:

2√15

Step-by-step explanation:

Use the Pythagorean theorem.

2² + x² = 8²

x² + 4 = 64

x² = 60

x² = 4 * 15

x = 2√15

3 0

3 years ago