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2 years ago

Need help fast. Pre Calc

Mathematics

1 answer:

Savatey [412]2 years ago

6 0

Answer:

15.4 on edge. C

Step-by-step explanation:

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In how many ways can president, vice-president, and secretary be chosen from 9 students?

Dominik [7]

Answer:

The answer is 27

Step-by-step explanation:

This is because each person can have up to three roles, and there are 9 students. So you can form an array, or a table to show your values. so if you have 9 rows and 3 coulombs and you can have 27 crosses in the array.

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3 years ago

Read 2 more answers

(6d^(2)c)/(3c) what is the excluded value

podryga [215]

Answer:

The excluded value is c=0

Step-by-step explanation:

The excluded value is when the denominator goes to zero

(6d^(2)c)/(3c)

3c = 0

c =0

The excluded value is c=0

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2 years ago

A box contains 300 raffle tickets. Only 15 tickets are winning tickets. What is the

Roman55 [17]

Answer:

Step-by-step explanation:

15/300 = 0.05

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2 years ago

Amy needs 6/8 gallon of fruit juice to make punch. She needs an equal amount of sparkling water. How much sparkling water does s

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3 years ago

A 20 foot ladder leaning against a wall is used to reach a window that is 17 feet above the ground. How far from the wall is the

GarryVolchara [31]

The bottom of the ladder is 10.5 feet away from the wall

Step-by-step explanation:

The given scenario forms a right triangle.

Where

The length of ladder will be the hypotenuse

The wall on which the window is situated will ebt he perpendicular and

The distance between the foot of ladder and the wall will be the base

So,

Hypotenuse = H = 20 foot

Perpendicular = P = 17 feet

Base = B = ?

Using the Pythagoras theorem

$H^2=P^2+B^2\\(20)^2=(17)^2+B^2\\400=289+B^2\\400-289=B^2\\B^2=111\\Taking\ square\ root\ on\ both\ sides\\\sqrt{B^2}=\sqrt{111}\\B=10.53\\Rounding\ off\ to\ the\ nearest\ tenth\\B=10.5$

The bottom of the ladder is 10.5 feet away from the wall

Keywords: Triangle, Pythagoras Theorem

Learn more about Pythagoras theorem at:

#LearnwithBrainly

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2 years ago