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astraxan [27]
3 years ago
10

Write a real world problem that can be solved using proportion​

Mathematics
1 answer:
Leokris [45]3 years ago
5 0

Answer:

It takes 6 men 3 days to lay the foundations of a building of size 30m^2

.

On  one site they  have to lay the foundations of a building of size 50m2 and it needs to be completed in 2 days.  

How many men will they need?

Step-by-step explanation:

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Rectangle PQRS is rotated 90 counterclockwise about the origin what are the coordinates of point Q
inna [77]
You have not provided the diagram/coordinates for point Q, therefore, I cannot provide an exact answer.
However, I can help you with the concept.

When rotating a point 90° counter clock-wise, the following happens:
coordinates of the original point: (x,y)
coordinates of the image point: (-y,x)

Examples:
point (2,5) when rotated 90° counter clock-wise, the coordinates of the image would be (-5,2)

point (1,9) when rotated 90° counter clock-wise, the coordinates of the image would be (-9,1)

point (7,4) when rotated 90° counter clock-wise, the coordinates of the image would be (-4,7)

Therefore, for the given point Q, all you have to do to get the coordinates of the image is apply the transformation:
(x,y) .............> are changed into.............> (-y,x)

Hope this helps :)
5 0
3 years ago
Read 2 more answers
!30 POINTS! How can I use this trapezoid to prove the Pythagorean Theorem?
stiks02 [169]

Answer:

Pythagorean Theorem: c2 = a2 + b2

Find the area by adding the areas of the three triangles. The area of a right triangle is: A = ½bh

Two triangles are identical so you can just multiply the area of the first triangle by two: 2A1 = 2(½bh) = 2(½ab) = ab.

The total area of the trapezoid is : A1 + A2 = ab + ½c2

You multiply both sides by 2 to get rid of the ½: (a2 + 2ab + b2) = 2ab + c2

You subtract out the 2ab: a2 + b2 = c2.

Then what is left is the proof: a2 + b2 = c2

6 0
2 years ago
Find m<DCV and m<VBD​
max2010maxim [7]

9514 1404 393

Answer:

  • m∠DCV = 50°
  • m∠VBD = 50°

Step-by-step explanation:

Arc DV is 100°, so any inscribed angle that intercepts that arc will have a measure that is half of 100°, or 50°.

Inscribed angles DCV and VBD both intercept arc DV, so both are 50°.

5 0
2 years ago
Choose the improper fraction that is equivalent to the mixed number 2 17/24
Alborosie

Answer:

31/24

Step-by-step explanation:

multiple 2 by 24, then add 17, which you get 31, and put it over 24

31/24

8 0
3 years ago
Read 2 more answers
What is the relationship?
Studentka2010 [4]
What do you think and what have you previously learned on the subject?
8 0
3 years ago
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