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dimulka [17.4K]
3 years ago
12

5^3/5^7 leaving your answer in index form

Mathematics
1 answer:
GrogVix [38]3 years ago
7 0

Answer:

5^-4

1/5^4

1/625

is the answer

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B<br> C<br> 2<br> Choose the wrong name for this angle:<br> 2<br> В) с
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3 years ago
Write an equation for an ellipse centered at the origin, which has foci at (0,\pm\sqrt{63})(0,± 63 ​ )left parenthesis, 0, comma
steposvetlana [31]

Answer:

\frac{x^{2} }{4312 } + \frac{y^{2} }{8281 }

Step-by-step explanation:

Since the foci are at(0,±c) = (0,±63) and vertices (0,±a) = (0,±91), the major axis is the y- axis. So, we have the equation in the form (with center at the origin) \frac{x^{2} }{b^{2} } + \frac{y^{2} }{a^{2} }.

We find the co-vertices b from b = ±√(a² - c²) where a = 91 and c = 63

b = ±√(a² - c²)

= ±√(91² - 63²)

= ±√(8281 - 3969)

= ±√4312

= ±14√22

So the equation is

\frac{x^{2} }{(14\sqrt{22}) ^{2} } + \frac{y^{2} }{91^{2} } = \frac{x^{2} }{4312 } + \frac{y^{2} }{8281 }

8 0
3 years ago
On picture day, 3 times as many girls wore dresses rather than pants. If there are 12 girls in the class, how many wore a dress?
katrin2010 [14]

Answer:

36

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3 * 12 = 36

if there are 12 girls and 3 times more wore dress then 3 times 12 is 36.

3 0
2 years ago
Read 2 more answers
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Answer:

(c) the sample is amount of sleep the volunteers got in the study.

Step-by-step explanation:

sample: this is a small part that is intending to show what a big part is all about.

volunteer: a person who does something willingly.

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3 years ago
What is the value of the expression (3.5 +2.5) × 4 + (5.5 − 12.25)?
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Answer:

none

Step-by-step explanation:

, the answer 17.25, there must a be a typo in your question

3 0
3 years ago
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