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3 years ago

(sorry bout the other one I forgot to put the picture and it wouldn't let me delete)

Mathematics

2 answers:

Sergio039 [100]3 years ago

8 0

I’m pretty sure it is.

Ivanshal [37]3 years ago

3 0

Answer:

The correct answer should be 5

Step-by-step explanation:

start at a point where the line passes through the vertex of the small grid box given and count how many units u need to go up and right to reach to the next point where the line passes in a similar way, since you need to find the rise, just count how many units u need to go up. The answer would be 5

Hope this helps!

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1)How many ways can the letters in the word BOOKKEEPER be arranged? (Must show set-up )

sergeinik [125]

Question 1

There are 5 letters (B, O, K, E, R) and there is a total of 10 letters to make up the word.
There are $\frac{10!}{(10-6)!6!}$ ways of arranging the letters, which equal to 210 ways

Question 2

There are seven swimmers in total.
There are $\frac{7!}{(7-1)!1!}$ ways of choosing the first winner, which is 7 ways
There are $\frac{6!}{(6-1)!1!}$ ways of choosing the second winner, which is 6 ways
There are $\frac{5!}{(5-1)!1!}$ ways of choosing the third winner, which is 5 ways
There are 7×6×5=210 ways of choosing first, second, and third winner

Question 3

The probability of eating an orange and a red candy is $\frac{15}{31}$ × $\frac{9}{30}$ , which equals to $\frac{9}{62}$

The probability of eating two green candies is $\frac{7}{31}$ × $\frac{6}{30}$ which equals to $\frac{7}{155}$

3 0

3 years ago

A bag contains 20 marbles. The probability of picking a yellow marble is 3/4. How many marbles are yellow?

emmasim [6.3K]

15 because 3/4 is equivalent to 75% and 75% of 20 is 15.

8 0

3 years ago

Read 2 more answers

How many unit cubes would it take to completely fill the prism with no gaps between unit cubes?

Lemur [1.5K]

Answer:

72 cubes

Step-by-step explanation:

Top view of the rectangular prism shows the unit cubes arranged in two rows along the length.

In each row number of unit cubes arranged = 9

Right view side of the prism shows the unit cubes arranged in two columns.

Number of unit cubes in each column = 4

Total number of cubes arranged in the prism = (Number of cubes in each row × Number of cubes arranged in two columns) × Number of columns

= (9 × 4) × 2

= 72

Therefore, number of cubes filled completely in the prism with no gaps = 72

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3 years ago

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kondor19780726 [428]

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3 years ago

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Linda is one of 8 teachers in the Mathematics department. In how many different ways can three of the teachers be chosen so that

Alexxx [7]

Answer:

21 ways

Step-by-step explanation:

a, b, c, d, e, f, g, linda

1 2 linda

a__ b__ __

a__c __ __

a__d __ __

a__ e__ __

a__ f__ __

a__ g__ __

b__c __ __

b__d __ __

b__ e__ __

b__ f__ __

b__ g__ __

c__d __ __

c__ e__ __

c__ f__ __

c__ g__ __

d__ e__ __

d__ f__ __

d__ g__ __

e__ f__ __

e__ g__ __

f__ g__ __

count them

in total

there are

21 triples

4 0

2 years ago