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Leni [432]
3 years ago
9

Help me on this math shiiii

Mathematics
2 answers:
Ulleksa [173]3 years ago
8 0

When you multiply two powers of the same base, you sum the exponents:

a^b\cdot a^c = a^{b+c}

So, in this case,

4^4\cdot 4^{-9} = 4^{4-9} = 4^{-5}

Now, negative exponents works like positive exponents, except you have to invert the number: i.e.

a^{-b} = \dfrac{1}{a^b}

So, you have

4^{-5} = \dfrac{1}{4^5}

weqwewe [10]3 years ago
5 0

Answer:

It is d my lord

Step-by-step explanation:

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Solve for the missing length and the other two angles in the triangle below
Klio2033 [76]

Answer:

AC = 3.72 units

Angles:

A = 132.6°

C = 27.4°

Step-by-step explanation:

AC² = 5² + 8² - 2(5)(8)cos(20)

AC² = 13.82459034

AC = 3.718143399

3.718143399/sin20 = 8/sinA

sinA = 0.7358944647

A = 180 - 47.38285134

A = 132.6171487

3.718143399/sin20 = 5/sinC

sinC = 0.4599340405

C = 27.38285134

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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Johnny rode his bike 4/7 of a mile from his house to the lake on a straight path. then, he turned around and rode his bike 3/1/8
iren [92.7K]
I hope this helps you



3 1/8=3.8+1/8=25/8


25/8-4/7


25.7/8.7-4.8/7.8


175-32/56


143/56

2 31/56

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Step-by-step explanation:

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