3 years ago

45 1/2 as a fraction in its simplest form45

Mathematics

1 answer:

Orlov [11]3 years ago

8 0

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42÷2x(11-8) answer please

MrRa [10]

Answer:63x

Step-by-step explanation:

Divided and subtracted

Then calculated the product

8 0

3 years ago

Read 2 more answers

Which is one of the solutions to the equation 2x^2 - x - 4 = 0

Alex73 [517]

Answer:

$x_{1}=\frac{1+\sqrt{33} }{4}\\x_{2}=\frac{1-\sqrt{33} }{4}$

Step-by-step explanation:

Using quadratic formula

$x=\frac{-b+-\sqrt{b^{2}-4*a*c} }{2*a}$

we will have two solutions.

2x^2 - x - 4 = 0

So, a=2 b=-1 c=-4, we have:

$x_{1}=\frac{+1+\sqrt{-1^{2}-4*2*-4} }{2*2}\\\\x_{2}=\frac{+1-\sqrt{-1^{2}-4*2*-4} }{2*2}$

Finally, we have two solutions:

$x_{1}=\frac{1+\sqrt{33} }{4}\\\\x_{2}=\frac{1-\sqrt{33} }{4}$

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3 years ago

Simplify the expression (1/2y^5)^3(2y^2)^4

nika2105 [10]

Answer:

128

Step-by-step explanation:

(1/2y^5)^3(2y^2)^4

=1/2y^15×2y^8

=1/32,768y×256y

=1×128

=128

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2 years ago

Karla sold a bicycle on e-store for $97.50. this selling price represented a 30% profit for her, based on what she had originall

kotykmax [81]

x + 30% x = 97.5 $

x+ 0.3 x = 97.5

x(1+0.3) = 97.5

1.3 x = 97.5

x= 97.5/ 1.3= 75 $ its original price

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2 years ago

How to solve x using logarithms

goldfiish [28.3K]

Step-by-step explanation:

$\frac{1}{2} log(x) + log(4) = 2$

then

$log( {x}^{ \frac{1}{2} } ) + log(4) = 2 \\ log(4 \sqrt{x} ) = 2 \\ 4 \sqrt{x} = {10}^{2} = 100 \\ \sqrt{x} = 25 \\ x = {25}^{2} = 625$

I don't know if your Log is natural logarithm then

$4 \sqrt{x} = {e}^{2} \\ \sqrt{x} = \frac{e ^{2} }{4} \\ x = \frac{ {e}^{4} }{16}$

6 0

2 years ago