What is 6/4-9/8 +(6/8 )- 2/6

Mathematics

1 answer:

hodyreva [135]3 years ago

7 0

My guy I have no idea so I would just cheat sorry

Explaination

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X^4-28x^2=0 solve algebraically

Paha777 [63]

$x^4 - 28x^2 = 0$

$x^2(x^2 - 28) = 0$

$x^2 = 0 \ \ or \ \ (x^2 - 28) = 0$

$x = 0 \ \ or \ \ x^2 = 28$

$x = 0 \ \ or \ \ x = \pm \sqrt{28}$

$x = 0 \ \ or \ \ x = \pm2 \sqrt{7}$

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Answer : x = 0 or 2√7 or -2√7
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3 years ago

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Shkiper50 [21]

Answer:

$5^8/5^6=5^2$

Step-by-step explanation:

When dividing numbers with powers, it is handy to remember that

$x^y/x^z=x^y^-^z$

$5^8/5^6=5^8^-^6 = 5^2$

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2 years ago

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If the measures of two angles of a triangle are 95 and 14°, what is the measure of the third angle?

marin [14]

Answer:

71°

Step-by-step explanation:

95° + 14° = 109°

180° in a triangle

180° - 109° = 3rd angle = 71 °

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The Tennessee Tourism Institute (TTI) plans to sample information center visitors entering the state to learn the fraction of vi

baherus [9]

Answer: 2185

Step-by-step explanation:

Let p be the proportion of visitors are campers.

Given : The Tennessee Tourism Institute (TTI) plans to sample information center visitors entering the state to learn the fraction of visitors who plan to camp in the state.

The prior proportion of visitors are campers : p=0.35

Allowable error : E= 2%= 0.02

We know that the z-value for 95% confidence = $z_c=1.96$