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devlian [24]
2 years ago
14

Is -51/5 rational or irrrational

Mathematics
1 answer:
Softa [21]2 years ago
6 0
I believe this is rational because the decimal has a end.
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Tanø=3/4 SinØ=7/25 sum identity cos(ø+Ø)
qaws [65]

Answer:

lol is this a real question or a cry for help#?

Step-by-step explanation:

5 0
3 years ago
Arrange from tallest to shortes 1.15, 1.05, 1.1
matrenka [14]
Answer: 1.15, 1.1, 1.05
7 0
3 years ago
PLEASE HELPPPPPPPPPPPPPPPPPP
bija089 [108]

Answer:

x=4

Step-by-step explanation:

6x-3=21

6x=24

x=4

hope it helps

3 0
3 years ago
Help please on this problem
iVinArrow [24]

Answer:

7.5 hours

Step-by-step explanation:

We can model an equation for this problem.

We can write:

F=mt

Where

F is the final temperature (15 degrees we need)

m is the rate of temperature change (2 degrees per hour)

and

t is the time, in hours, it will take (we need to find this)

It is given,

F = 15

m = 2

So, t would be:

F = mt

15 = 2t

t = 15/2 = 7.5

So it will take 7.5 hours

8 0
3 years ago
The average salary for a doctorate is 39,000 less than twice that of someone with a bachelor's degree. Combined, a people (one w
tester [92]

Answer:

doctorate salary:  d = $71,000

bachelor salary:     b = $55,000

Step-by-step explanation:

doctorate salary:  d

bachelor salary:     b

relationship between b and d:  d = 2b - $39,000

Unfortunately, your "1 + 126,000" could not be correct.  I'm going to assume that the total of the two salaries is $126,000.  If that's the case, then:

bachelor salary + (2 times bachelor salary less $39,000) = $126,000.  In symbols,

b + 2b - $39,000 = $126,000

Consolidating the 'b' terms results in 3b - $39,000 = $126,000, and so:

3b = $126,000 + $39,000 = $165,000

Dividing both sides by 3 yields the bachelor salary:  b = $55,000

Then the doctoral salary is 2b - $39,000 = 2($55,000) - $39,000, or $71,000.

Check:  Does b + (2b - $39,000) = $126,000?  Yes.

Then the doctoral salary is d = $103,000, and the bachelor salary $29,000

6 0
3 years ago
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