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kirill [66]
3 years ago
9

Which answer below correctly shows the proper substitution for the Pythagorean theorem?

Mathematics
1 answer:
natta225 [31]3 years ago
4 0
The answer is A. In a right triangle the side across from the 90 degree angle is c in the Pythagorean theorem.
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Job a, $15/hour, job b, $12/hour, how many hours at each job to earn $360
stira [4]

Answer:

Job A, will take 24 hours and Job B, will take 30 hours

Step-by-step explanation:

12 X 30 = 360 and 15 X 24 = 360

7 0
2 years ago
Read 2 more answers
F(1)=15<br> f(n)=f(n-1)*n<br> What does f(2) equal?
Arlecino [84]

Answer:

f(2) =30

Step-by-step explanation:

f(1)=15

f(n)=f(n-1)*n

Put in n=2

f(2)=f(2-1)*2

     = f(1) *2

      = 15*2

       =30

3 0
3 years ago
Read 2 more answers
9mph in still water it takes 5hrs longer to travel 74 miles upstream than downstream find the rate of current and round to neare
prohojiy [21]

Answer:

The rate of current is 2.5 mph.

Step-by-step explanation:

The speed in the water when current is absent is 9 mph.

If the speed of the current is v mph then the upstream speed is (9 - v) mph and the downstream speed is (9 + v) mph.

Now, it takes 5 hours longer to travel 74 miles upstream than down stream, then we can write the equation as  

\frac{74}{9 - v} - \frac{74}{9 + v} = 5

⇒ \frac{2v}{81 - v^{2} } = \frac{5}{74}

⇒ 148v = 405 - 5v²

⇒ 5v² + 148v - 405 = 0

Applying Sridhar Acharya's formula we can write  

v = \frac{-148 + \sqrt{148^{2} - 4(5)(-405) }  }{2(5)} (Neglecting the negative root)

⇒ v = \frac{- 148 + 173.2166}{10} = 2.5 mph (Rounded to the nearest 10th) (Answer)

7 0
3 years ago
D) What fraction is equal to 50% of 1/4
Masteriza [31]

Answer:

1/8

Step-by-step explanation:

50% of 1/4 = 1/8

hope this helps!

4 0
3 years ago
Read 2 more answers
Fill in the blanks to complete the equation that describes the diagram.
Nimfa-mama [501]
Based on the picture I would say:
-4 + -2 = -6
8 0
3 years ago
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