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fredd [130]
2 years ago
14

Which is the value of this expression when a =5 and k=2?

Mathematics
2 answers:
sdas [7]2 years ago
6 0

Answer: The answer to this question would be 25/9 in exact form, 2.7 repeating in decimal form, or 2 and 7/9 as a mixed number.  To solve all you would need to do is substitute the values of the variables into the expression and then simplify.

MAXImum [283]2 years ago
4 0
Just substitute 5 into a and -2 into k

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Joel biked 9 miles east and then 12 miles north. If he
andrey2020 [161]

Answer:

36 miles

Step-by-step explanation:

His entire journey, represented with a diagram, is in the shape of a right angle triangle.

We need to first find the hypotenuse of the triangle, then, add all the sides together:

hyp² = opp² + adj²

hyp² = 9² + 12²

hyp² = 81 + 144 = 225

Find the square root of both sides:

hyp = 15 miles

Therefore, adding the three sides together:

Total distance traveled = 9 + 12 + 15

Total distance traveled = 36 miles

He would ride 36 miles altogether.

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3 years ago
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weeeeeb [17]
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3 years ago
I am really confused with this question.
klemol [59]
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7 0
2 years ago
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Melanie invested $3,800 in an account paying an interest rate of 2 % compounded
GaryK [48]

Answer:

.85

Step-by-step explanation:

Compound interest formula

PV(1+\frac{i}{n})^{nt}

Melanie:

3800(1+\frac{.02}{4})^{(6*4)\\}\\=3800(1+.005)^{24}\\3800*1.1272=4283.21

Sebastian:

3800(1+\frac{.02}{12})^{12*6}\\3800(1.0017)^{72}\\3800*1.1274=4284.06

4824.06-4283.21= .85

4 0
2 years ago
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