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Fittoniya [83]
3 years ago
11

BRAINLIST!! 20 POINTS! PLEASE HELP ILL FAIL IF I DONT PASS THIS TEST!!!

Mathematics
1 answer:
ipn [44]3 years ago
6 0

Answer:

the third one: Combination with repetition

Step-by-step explanation:

it says there are any number of pennies, nickels, dimes, and quarters, so there is repetition. the order doesn't matter because it asks for the different sums, so it's a combination with repetition

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8 meters increased by 25 percent
damaskus [11]

8 meters increased by 25 :  (8 + 25) = <em>33 meters</em>

=========================================

If you really meant to say "increased by <u><em>25 percent</em></u>" . . .

25 percent means 0.25

0.25 x 8 = 2  <==  that's the increase

8 + 2 = <em>10 meters</em>


7 0
3 years ago
Describe how to construct a sequence of nested intervals that have precisely the number √2 in common. There are many possible wa
iris [78.8K]

Answer:

See answer below

Step-by-step explanation:

Define the intervals:

I_n:=(\sqrt{2}-\frac{1}{n},\sqrt{2}+1/n) for n≥1.

The intervals are nested, in the sense that I_1\supset I_2\supset I_3 \supset \cdots To see this, use the fact that for all n≥1, -1/n≤-1/(n+1) and 1/n≥1/(n+1) (intuitively, the intervals are "shrinking" in size, and are centered around √2).

The only point common to all intervals is √2, in the sense that \bigcap_{n\geq 1}I_n=\{2\}  

The idea for this construction is to center the intervals around √2 and shrink their size with the summand 1/n. As n goes to infinity, 1/n tends to zero and the intervals became closer and closer to √2, but they NEVER degenerate to the point √2, in contrast to their intersection.

7 0
4 years ago
I need help really bad
Stella [2.4K]
The answer is 18.  You add 5  to both sides of the equation. the 5 cancels out.  You are left with 2/3x=12.  Then you divide 12 by 2/3 to get x.  12 divided by 2/3 is 18
5 0
4 years ago
I need the answer to this question
Marizza181 [45]

Answer:

a.

Step-by-step explanation:

we must say the p.m or a.m

5 0
3 years ago
Where should city planners place a statue in a triangular park so that it is equidistant from each of the straight paths that en
natta225 [31]
I believe it is the centroid
8 0
4 years ago
Read 2 more answers
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