3 years ago

Multiply. Simplify if possible. If you can simplify, what is the GCF you used ? what is 5/9 x 2/3

Mathematics

1 answer:

BaLLatris [955]3 years ago

6 0

If you multiply the fractions, you get 10/27 which can’t be simplified.

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2. A parking lot holds 40 cars. There are 20 cars in the lot already. Which inequality can be solved to show all the

Pie

C I need to put 20 letters so yea the answer is C

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3 years ago

Log(4)+log(2)-log(5)

Otrada [13]

   log(4) + log(2) - log(5)

   = log(2²) + log(2) - log(5)

   = 2 log(2) + log(2) - log(5)

   = 3 log(2) - log(5)

   = log(2³) - log(5)

   = log (2³/5)

   = log (8/5)

   = log (1.6) = 0.2041... (rounded)

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3 years ago

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Find the solutions to the equation by completing the square.

rjkz [21]

Answer:

Step-by-step explanation:

hello :

x² - 6x = 7

x² - 6x+9-9___= 7

(x - 3 )²= __16_

x - 3= +/-_4__

x-3=4__and x-3 =_-4_

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3 years ago

What is the exact value of tan 30° ? Enter your answer, as a simplified fraction, in the box.

Romashka [77]

Hmmm if you don't have a Unit Circle, this is a good time to get one, many you can find online. Anyhow, check your unit circle for cos(30°) and sin(30°).

$\bf tan(\theta)=\cfrac{sin(\theta)}{cos(\theta)}\qquad \qquad tan(30^o)=\cfrac{sin(30^o)}{cos(30^o)}
\\\\\\
tan(30^o)=\cfrac{\quad \frac{1}{2}\quad }{\frac{\sqrt{3}}{2}}\implies tan(30^o)=\cfrac{1}{2}\cdot \cfrac{2}{\sqrt{3}}\implies tan(30^o)=\cfrac{1}{\sqrt{3}}
\\\\\\
\stackrel{\textit{and now if we rationalize the denominator}}{\cfrac{1}{\sqrt{3}}\cdot \cfrac{\sqrt{3}}{\sqrt{3}}\implies \cfrac{\sqrt{3}}{(\sqrt{3})^2}\implies \cfrac{\sqrt{3}}{3}}$

8 0

3 years ago

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Can someone help me find y PLEASE

Maurinko [17]

pretty sure it’s 42

4 0

3 years ago

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