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Mkey [24]
3 years ago
14

Help please and fast!​

Mathematics
2 answers:
Brilliant_brown [7]3 years ago
6 0

= [3x3^-2x(-2)^6/2x3^-1x(-2)^5]^2 = 1

Veseljchak [2.6K]3 years ago
6 0

Answer:

1

Step-by-step explanation:

[\frac{3a^{-2} b^6}{2a^{-1}b^5}] ^{2} \\=[1.5 a^{-2-(-1)} b^{6-5}]^2\\=[1.5a^{-2+1}b]^2\\=[1.5a^{-1}b]^2\\\\Substituting\ a=3,b=-2, we\ get,\\=[1.5*3^{-1}*-2]^2\\=[1.5*1/3*-2]^2\\=[1/2*-2]^2\\=[-1]^2\\=1

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Lily drove 354 miles in 6 hours. On average, how fast did she drive in hours per mile?
vagabundo [1.1K]

Answer: \dfrac{1}{59}\ \text{hours per mile}

Step-by-step explanation:

Given : Distance traveled by Lily= 354 miles

Time= 6 hours

Then,

\text{LIly's rate in hours per mile}=\dfrac{6\text{ hours}}{354\text{ mile}}\\\\=\dfrac{1}{59}\ \text{hours per mile}

Hence, the required speed of Lily = \dfrac{1}{59}\ \text{hours per mile}

3 0
3 years ago
Find the missing side of the triangle. 14 mi 11 mi x
DanielleElmas [232]

Answer:

5\sqrt{3}

Step-by-step explanation:

a^{2} +b^2=c^2\\11^2+x^2=14^2

121+x^2=196

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7 0
3 years ago
Oder these number from least to greatest -3, 5,-1, 0, 7
kotykmax [81]

Answer:

-3,-1,0,5,7

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Please help me out please
icang [17]

Answer:

Your answer is <em>8.06</em>.

Step-by-step explanation:

Since you're finding the hypotenuse of the triangle through Pythagorean theorem, you need to use the formula:

a² + b² = c²

Here, you have to remember that x is the same as c in the formula. c is the hypotenuse and x.

a is going to be your smallest leg, so in this case a = 4.

b is going to be your longest leg, so it is b = 7.

Now, you don't know what c yet is so you simply write it as:

4² + 7² = c²

Do the exponents.

16 + 49 = c²

Add.

65 = c²

Now you need to get the exponent away from the c. To do that, all you have to do is square root both sides.

√65 = √c2

Once you do that, you have your answer!

<u>8.0622577483 = c</u>

Now just simplify and you're done :)

<u>8.06</u>

<u />

<u />

<u />

Might sound hard now but you'll get the hang of it.

6 0
3 years ago
Blank measure is used to
olga55 [171]
A  measurement used in reference of the transmitted light as a function of wavelengths being stored in memory. 
5 0
4 years ago
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