3 years ago

What is the solution to the system of equations? {2x+3y=23 4x−5y=13

Mathematics

1 answer:

Sliva [168]3 years ago

3 0

The answer is (7, 3)

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jerry is a judge. He hears 5 cases every 2 3/8 hours. Jerry hears caese at a constant rat. How many cases does he hear per hour

faust18 [17]

Answer:

The number of cases heard by Jerry per hour is $2\frac{21}{500}$

Step-by-step explanation:

The rate of hearing the cases is 5 cases in 2 3/8 hours.

Now, $2\frac{3}{8} = 2+\frac{3}{8} = 2 + 0.375 = 2.375$

⇒The judge hears 5 cases in 2.375 hours.

So, the number of cases per hour = $= \frac{\textrm{Total Number of cases heard}}{\textrm{Number of Hours}} = \frac{5}{2.375}$

= 2.105

Also, $2.105 = 2 + 0.105 = 2 + \frac{105}{1000} = 2+\frac{21}{500} = 2\frac{21}{500}$

Hence, the number of cases heard by Jerry per hour is $2\frac{21}{500}$

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3 years ago

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beks73 [17]

Answer:

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Step-by-step explanation:

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2 years ago

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Please help me Please

Elis [28]

Answer:

9???

Step-by-step explanation:

6 trophies on the shelves and 3 that are not.

6 + 3 = 9

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2 years ago

How do you find the slope and y-intercept

ankoles [38]

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3 years ago

It is found that 5 out of every 8 college students like algebra. If a certain college has 4,000 students, how many of them like

solniwko [45]

5 out of 8 turned into a fraction is 5/8. 5/8 turned into a percentage is 62.5%. 62.5% of 4,000 is 2,500. 2,500 students in the college like algebra.
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