3 years ago

Geometry question help

Mathematics

1 answer:

VashaNatasha [74]3 years ago

5 0

Answer:

x=60° y=30°

Step-by-step explanation:

x is an equilateral triangle

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From $16 to $4<br> Percent decrease

Tatiana [17]

Answer:

75%

Step-by-step explanation:

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3 years ago

Read 2 more answers

(10x^3y^-2/5x^-3y^4)^-3, x≠0, y≠0

zhenek [66]

Answer:

$\dfrac{y^{18}}{8x^{18}}$

Step-by-step explanation:

The applicable rules of exponents are ...

(a^b)(a^c) = a^(b+c)

a^-b = 1/a^b

(a^b)^c = a^(bc)

Your expression simplifies as follows:

$\left(\dfrac{10x^3y^{-2}}{5x^{-3}y^4}\right)^{-3}=(2x^{3-(-3)}y^{-2-4})^{-3}=(2x^6y^{-6})^{-3}\\\\=(2^{-3})x^{6(-3)}y^{(-6)(-3)}=\dfrac{1}{8}x^{-18}y^{18}\\\\=\boxed{\dfrac{y^{18}}{8x^{18}}}$

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4 years ago

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serg [7]

Answer:

i think its c for the first one and d for the 2nd

Step-by-step explanation:

this is what i got but it might be wrong

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4 years ago

Express the fractions 1/2, 3/16, and 7/8 with an LCD.

zhenek [66]

<span>B. 8/16, 3/16, 14/16 </span>- only)

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3 years ago

PLEASE HELO ASAP WILL GIVE BRAINLEAST TO RIGHT ANSWER

marishachu [46]

Answer:

1/4

Step-by-step explanation:

Favorable Outcomes/ All Possible Outcomes= 2/8

2/8= 1/4

The answer is 1/4.

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3 years ago