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2 years ago

What is the solution to the equation x/-3=4? A)x=-7 B)x=-4/3 C) x=-1 D)x=-12

Mathematics

1 answer:

pav-90 [236]2 years ago

7 0

d) x=-12 because x/-3=4 can be rearranged as x=4x-3 so x=-12

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A rectangular room must have a maximum area of 84 square feet. If the room is to be 8 feet wide, what is the longest the room ca

Katarina [22]

Answer:

Length of the room should be 10.5 feet.

Step-by-step explanation:

The maximum area of a rectangular room is 84 square feet.

let the length of the room = x feet

Then area of the room = length × width

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Length x = 84/8 = 10.5 feet.

So the answer should be 10.5 feet

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2 years ago

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Step-by-step explanation:

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3 years ago

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kondaur [170]

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Step-by-step explanation:

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so: -2a.

4. cancel 'b' on top and 'b' at the bottom.

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2 years ago

What is the slope of the graph? (Example: 2/3,-4,-2/9)

mart [117]

Answer:

7/9

Step-by-step explanation:

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2 years ago

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HELP PLEASE! The distances from a ship to two lighthouses on the shore are 4 miles and 7 miles respectively. If the angle betwee

IrinaK [193]

Answer:

5.25 miles

Step-by-step explanation:

We are required to determine the distance between Lighthouse A and Lighthouse B in the diagram.

Using Law of Cosines

$c^2=a^2+b^2-2abCosC\\c^2=7^2+4^2-2(7)(4)Cos48^\circ\\c^2=27.5287\\c=\sqrt{27.5287} \\c=5.25\: miles$

The distance between lighthouses is 5.25 miles.

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3 years ago