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Paha777 [63]
3 years ago
14

51/8 times 17/4and simplified

Mathematics
2 answers:
gayaneshka [121]3 years ago
3 0

Answer:

27 3/32

Step-by-step explanation:

Bess [88]3 years ago
3 0

Answer:

It's 30  27/28

Step-by-step explanation:

If you multiply 51*17 and 7*4 you get 867/28 which equals 30  27/28

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Line a y=1/2x+2
Dahasolnce [82]

Answer:

Line b and line c are perpendicular.

Step-by-step explanation:

Perpendicular lines have opposite reciprocal slopes, and -1/2 and 2 are opposite reciprocals.

4 0
3 years ago
You can work no more than 60 hours each week at your two jobs. Dog walking pays $7 per hour and your sales job at Computers &amp
DedPeter [7]

Answer:

No

Step-by-step explanation:

You cannot work negative 3 hours, it's impossible. One possible solution would be to work 50 hours a week at dog walking for 7 dollars an hour, and 10 hours a week at Computers & More, Inc. for 12 dollars a week. This would give you 350 dollars from dog walking, and 120 dollars from Computers & More, Inc. This would be a total of 470 dollars.

5 0
4 years ago
Read 2 more answers
5x + 2y = 7<br> 7x + 6y = -3<br> Please solve using elimination method.
Kazeer [188]
X=3 y=-4
hope that helps
3 0
3 years ago
Bank robber holds up a bank and speeds off at 71 mph. Police start chasing him 10 minutes later going 78 mph. How long will it t
alexira [117]

Answer:

It takes 1.68 hours to catch up to them.

Step-by-step explanation:

The speed of robber = 71 mph

The  speed of police =  78 mph

The police  start 10 minutes  later

by that time robber would have travelled

distance  = \frac{speed}{time}

10 minutes  =0.166667 hours

then the distance  =  11.8 mph

Let them meet at distance x from the bank.

time taken by police to reach x , time =\frac{ x}{78}----------------------(1)

time taken by robber in the same time = \frac{x-11.8}{71}---------------(2)

Equating (1) and (2)

\frac{x}{78} =\frac{ x-11.8}{71}

71 x = 78(x - 11.8)

71x =78x - 920.4

920.4 = 78x - 71x

920.4 = 7x

x = 131.48

The distance where they catch up with the robber from the bank is 131.48 miles

speed of police = 78 mph

distance =  131.48  miles

time they catch up = \frac{131.48}{78}

= 1.68 hours

5 0
3 years ago
Hi :) this lesson is about 30-60-90 triangles.
hjlf

Answer:

5 times the square root of 3

Step-by-step explanation:

To get the longest side of a 30-60-90 triangle, you take the shortest side and multiply it by the square root of 3.

5*(square root of 3)

4 0
3 years ago
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