3 years ago

Help me what to write a word phrase for each algebraic expression. Please help.

1 answer:

3 0

#1: The sum of q and 5
#2: Twelve times x

Please do as many as you can by yourself and ask questions about those that are hard for you.

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4 years ago

\ if twice a number added to 3 is divided by the number plus 7 , the result is five thirds. find the number.

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3 years ago

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4 years ago

Two sides of a triangle have measures 3 ft. and 6 ft. Also, these sides form a vertex whose angle measures 60 degrees. Calculate

Tanya [424]

Answer:

c² = 3² +6² - 2⋅3⋅6⋅cos 60

c = 27ft

Step-by-step explanation:

Since the angle is located in between the sides of the sides, we will use the cosine rule to get the unknown sides

Let c be the missing sides

According to the cosine rule;

c² = a²+ b² - 2abcosC

c² = 3² +6² - 2⋅3⋅6⋅cos 60

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c² = 45 - 36(0.5)

c² = 45 - 18

c² = 27ft

Hence the missing attribute is 27ft and the required expression is c² = 3² +6² - 2⋅3⋅6⋅cos 60

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3 years ago

Let U={1,2,3,4,5,6,7,8}A={2,3,6}B={2,4,5,7}C={1,7,8}Find the following use the roster method to write method to write the set. E

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A U B = set of all elements that are in both A or B:

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