3 years ago

I NEED HELP ASAP please

Mathematics

1 answer:

Zepler [3.9K]3 years ago

8 0

Answer:

Step-by-step explanation:

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write three ratios that are equivalent to the one given:the ratio of right of right-handed students to left-handed students is 1

laila [671]

The three ratios that is equal to 18:4 are

9 : 2 if you divide 18 and 4 by 2
36 : 8 if you multiply 18 and 4 by 2
54 : 12 if you multiply 18 and 4 by 3

Hope this helps!!

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4 years ago

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What is the probability of spinning a number greater than 7 or an odd number? (1 Point)

yaroslaw [1]

B) 7/10
It is B because there are 7 out of 10 possibilities that you would get a number greater than 7 or an odd number.

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3 years ago

Identify the median and the lower quartile for this box plot 16,16.5,15.5,

MArishka [77]

The median should be 16

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3 years ago

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Amar keeps picking playing cards out of a standard deck of 52 cards in the hopes that he will

lapo4ka [179]

Answer:

The required probability is, 0.78

Step-by-step explanation:

There are, (52 - 13) = 39 cards which are not spade

5 cards can be chosen from the deck of 52 cards in

$^{52}{C}_{5}$ ways

and out of these 5 choices, none of them will be spade in,

$^{39}{C}_{5}$ ways

So,

P(None of the chosen cards is spade)

= $\frac {^{39}{C}_{5}}{^{52}{C}_{5}}$

$\simeq 0.22$

Hence,

P(out of these 5 choices, at least one card is spade)

$\simeq (1 - 0.22)$

= 0.78

4 0

4 years ago

A bag contains 5 red balls and 6 green balls. You plan to select 2 balls at random. Determine the probability of selecting 2 gre

Umnica [9.8K]

Step-by-step explanation:

first pick has probability

$\frac{6}{11}$

second pick has probability

$\frac{5}{10}$

combined probability is

$\frac{30}{110} = \frac{3}{11}$

7 0

3 years ago

I NEED HELP ASAP please ​

I NEED HELP ASAP please