3 years ago

This can somebody help me FAST!.!.!.!.!.!.!!.

Mathematics

1 answer:

amm18123 years ago

8 0

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Robert made a design on his wall with the similar pentagon tiles shown. What is the length of side RS?

goldenfox [79]

Answer:

D. 6 cm

Step-by-step explanation:

Let side RS be x

<u>As per similarity rule</u>

10/15 = x/9
x = 9*10/15
x = 6 cm

D. 6 cm is the correct one

6 0

4 years ago

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47. Forming a Committee Four members from a 20-person committee are to be selected randomly to serve as chair- person, vice-chai

Svetllana [295]

Answer:

116,280 different leadership structures are possible

Step-by-step explanation:

The order is important.

For example, a Committee of John, Elisa, Laura and Rose means that John is the chairperson, Elisa the vice-chairperson, Laura the secretary and Rose the treasurer. If we exchange John and Elisa, their roles are also exchanged. This means that we use the permutations formula to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

$P_{(n,x)} = \frac{n!}{(n-x)!}$

How many different leadership structures are possible

Permutations of 4 elements from a set of 20. So

$P_{(20,4)} = \frac{20!}{(20-4)!} = 116280$

116,280 different leadership structures are possible

6 0

3 years ago

This is due soon pls help pls help with ALL the question

trapecia [35]

6+(-5) is the same as 6-5 because when adding negative 5 to 6 you are basically subtracting a regular 5 from 6. So the + in front of the parenthesis makes the 5 a positive: 6+(-5) —— 6-5

6 0

3 years ago

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What is the mapping notation for translating point

vivado [14]

D.(x,y-3)
Because x basically represents the horizontal and y represents vertical

4 0

3 years ago

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If side b is 12 and side c is 31. Round your answer to the nearest hundredth.

Marrrta [24]

Answer: