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Dima020 [189]
3 years ago
6

40x^-4 y^-6/(over)10x^-5 y^5

Mathematics
1 answer:
lisov135 [29]3 years ago
7 0

Answer:

4x/y¹¹

Step-by-step explanation:

1) take out constants

40/10 * x⁻⁴y⁻⁶/x⁻⁵y⁵

2) simplify 40/10 to 4

4 * x⁻⁴y⁻⁶/x⁻⁵y⁵

3) Use Quotient Rule: xᵃ/xᵇ=xᵃ⁻ᵇ

4x⁻⁴⁺⁵y⁻⁶⁻⁵

4) Simplify -4 + 5 to 1

4x¹y⁻⁶⁻⁵

5) simplify -6-5 to -11

4x¹y⁻¹¹

6) use rule of one: ₓ¹=ₓ

4xy⁻¹¹

7) use negative power rule: x⁻ᵃ=1/xᵃ

4x * 1/y¹¹

8) simplify

4x/y¹¹

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​claim: the mean pulse rate​ (in beats per​ minute) of adult males is equal to 6969 bpm. for a random sample of 125125 adult​ ma
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Answer:

t=0.21

Step-by-step explanation:

Given  \bar x=69.2, s=10.9, n=125and a population mean \mu=69.

#We state our hypothesis as:

H_o:\mu=69\\\\H_a:\mu\neq 69

The evidence available should validate either the null or alternative hypothesis.

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Anyone for 10 points??!!!<br> The question is in the image<br> Thanks But answer ASAP!
ivanzaharov [21]
Bottom Side Surface Area:

(24 inches + 24 inches + 24 inches) * (30 inches)

= 72 inches * 30 inches

= 2160 inches squared


--------

Top Side Surface Area:

24 inches * 30 inches

= 720 inches squared

--------

Length of the diagonal (D) which needs to be measured:

*Use Pythaogras's theorem...

24^2 + 10^2 = D^2

D=√(24^2+10^2)

D=26 inches

------------

Measure the surface area of the two ramps:

26 inches * 30 inches * 2

= 1560 inches squared

-----------

Total surface area:

2160 inches squared + 720 inches squared + 1560 inches squared

= 4440 inches squared

---------

Answer:

4440 square inches
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URGENT
Marrrta [24]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
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