3 years ago

Determine if the set is empty {x|x is a planet in our solar system whose name begins with F}

Mathematics

1 answer:

Levart [38]3 years ago

6 0

The set is empty............

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Please help due in 5 minutes !

Liula [17]

Answer:

all

Step-by-step explanation:

of them

why?

becuase htink

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3 years ago

The product of 2 times x and the sum of 9 and 5 times the square of x

Olegator [25]

Answer:

2x * (9 + 5x^2)

Step-by-step explanation:

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In chemistry class 18 liters of 30% alcohol solution must be mixed with 20% solution to get 14% solution how many liters of 20%

alexdok [17]

If you are mixing a 30% solution with a 20% solution to obtain a 14% solution, you will never obtain a 14% solution.

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3 years ago

Find the area of a triangle with a base length of 6 units and a height of 7 units. PLEASE SHOW YOUR WORK! (10 points)

NARA [144]

Answer:

21 units

Step-by-step explanation:

The formula for solving a triangle is (b×h)/2

So that means 7 × 6 = 42 so then you want to divide 42 by 2

42÷2= 21

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3 years ago

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Write (8a^-3)^-2/3 in a simplest form.

MrRa [10]

For this case we have the following expression:

$(8a^{-3})^{-\frac{2}{3}}$

For power properties we have:

$(8^{-\frac{2}{3}} a^{-3*-\frac{2}{3}})$

Rewriting the exponents of the expression we have:

$(8^{-\frac{2}{3}} a^{3*\frac{2}{3}})$

$(8^{-\frac{2}{3}} a^2)$

$(\frac{1}{8^{\frac{2}{3}}} a^2)$

Using the cubic root we have:

$(\frac{1}{\sqrt[3]{8^2}} a^2)$

$(\frac{1}{\sqrt[3]{64}} a^2)$

$(\frac{1}{\sqrt[3]{4^3}} a^2)$

Simplifying the expression we have:

$(\frac{1}{4} a^2)$

Answer:

The equivalent expression is given by:

$(\frac{1}{4} a^2)$

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3 years ago

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