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Marat540 [252]
2 years ago
10

The length of a rectangle is the square root of 100 times an unknown number, x. The width is one-half an unknown number, y, less

three-halves x. If the area of the rectangle is 125 cm2, find an equation that would give the width of the rectangle given the length.
Mathematics
1 answer:
Softa [21]2 years ago
8 0
Idkidkidkidkidkidkidkidkidkdidkidkidkidkidkidkidkidkidkidkidkidk
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Q1. Find y, if √12 - √147 + y√3 = 0
o-na [289]

Answer:

Q1. y = 5 Q2.  (√2 - √3)/2

Step-by-step explanation:

Q1

√12 - √147 + y√3 = 0

Taking -√147 and √12 to the right hand side, we have

y√3 = √147 - √12

y√3 = √(3 × 49) - √(3 × 4)

y√3 = √3 × √49 - √3 × √4

y√3 = √3 × 7 - √3 × 2

y√3 = 7√3 - 2√3

y√3 = 5√3

Dividing both sides by √3, we have

y√3/√3 = 5√3/√3

y = 5

Q2

Sin45° - Cos30°

Since Sin45° = √2/2 and Cos 30° = √3/2

Substituting these values into the equation, we have

Sin45° - Cos30° = √2/2 - √3/2

Taking L.C.M of both factors, we have

Sin45° - Cos30° = (√2 - √3)/2

6 0
3 years ago
Find the slope of the line through the given points.<br> (-2,7) and (2,-5)
Andreyy89

Answer:

y = -3x + 1

Step-by-step explanation:

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The figure below is a net for a rectangular prism.
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Answer:

Answer: you've gotten it answered? lmk if you haven't and you're waiting on one

Step-by-step explanation:

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A waiting room is 2/3 full when 36 people are seated. How many people are in the waiting room when it is 1/2 full?
Ahat [919]
When 36 people are seated the room is 2/3 full.
So for 1/3 , 18 people are needed
It will be 3/3 full if 54 people are present

So there can be 54 people in total

Now for the room to be 1/2 full , people will be 1/2 x 54 = 27 people
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2 years ago
Dave wants to put a row of tiles in his kitchen. The row has to be 3 meter long. Each tiles is a square, with 25 cm sides. How m
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Step-by-step explanation:

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