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3 years ago

What is the solution to the equation x+7/2=5x/3

2 answers:

7 0

Your answer is x=21/4

first you subtract 7/2 from both sides to isolate x
then you simplify

hope this helps:)
brainliest?

REY [17]3 years ago

5 0

Answer:

x= 21 /4

Step-by-step explanation:

x+7/2=5x/3

First Simplify both sides of the equation.

x+ 7 /2 = 5 /3 x

Then Subtract 5/3x from both sides.

−2 /3 x+ 7 /2 =0

Then Subtract 7/2 from both sides.

−2 /3 x= −7 /2

Lastly Multiply both sides by 3/(-2).

x= 21 /4

Hope This Helps

Happy New year!!

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2 years ago

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2 years ago

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2 years ago

If a tree 41.8 feet tall casts a shadow that is 27 feet long, find the height of a tree casting a shadow that is 18.3 feet long

Neko [114]

Answer:

28.3 feet

Step-by-step explanation:

Given a tree 41.8 feet tall casts a shadow that is 27 feet long

So the Tangent of the angle of the sahdow remains the same for the both trees.

We know that $Tanx=\frac{height of the tree}{length of the shadow}$

$\frac{height of the tree1}{length of the shadow1} = \frac{height of the tree2}{length of the shadow2}$

$\frac{41.8}{27} =\frac{x}{18.3}$

$x=\frac{41.8}{27}\times18.3 =28.3$

Therefore the height of the tree is 28.3 feet

6 0

3 years ago