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AlexFokin [52]
3 years ago
7

You have to solve this for r

Mathematics
1 answer:
marysya [2.9K]3 years ago
4 0
What do I solve? We need more info
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Can someone please help?
Oduvanchick [21]

Answer:

either a or c

Step-by-step explanation:

im sorry if they are both incorrect

6 0
3 years ago
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If 9 people had a some pizza and there was 2 boxes how many pizzas was left
Afina-wow [57]
They are 18 pizzas left
8 0
4 years ago
In a certain​ lottery, an urn contains balls numbered 1 to 26. From this​ urn, 6 balls are chosen​ randomly, without replacement
expeople1 [14]

Answer:

\frac{1}{230230}

Step-by-step explanation:

Given that in a certain​ lottery, an urn contains balls numbered 1 to 26

From this​ urn, 6 balls are chosen​ randomly, without replacement.

Bet amount 1 dollar and he selects a set of six numbers.

If these match with those chosen from the urn he wins (order does not matter)

Total ways of choosing 6 out of 26 = 26C6 = \frac{26!}{20!6!} \\=230230

The way he selects = 1

Hence probability of winning  =\frac{1}{230230}

with one ticket

4 0
3 years ago
Write a polynomial of degree 3 whose only roots are x=2 and x=2/5. Is there another polynomial of degree 3 that has the same roo
TEA [102]
One such polynomial might be

(x-2)\left(x-\dfrac25\right)^2

Another with the same roots would be

(x-2)^2\left(x-\dfrac25\right)
7 0
3 years ago
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Alyssa took a math test with 30 questions, and she answered 24 questions correctly in order to get an a, she needs to answer at
koban [17]

Answer:

<u><em>No, she got an 80%</em></u>

Step-by-step explanation:

For every 3 questions she got right, that's 10%.

24/3= 8, which can be turned into 80%

So the answer is<u><em> no</em></u>.

6 0
3 years ago
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