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k0ka [10]
3 years ago
5

Explain how to find the orginal and the new dimensions of an object when the scale changes

Mathematics
1 answer:
yan [13]3 years ago
5 0

Answer:

To find the original dimensions, write a proportion with the scale as the first ratio and the scale dimension compared to the actual dimension as the second ratio. Use cross products to solve. To find new dimensions, write a proportion with the new scale as the first ratio and the scale dimension compared to the actual dimension as the second ratio. Use cross products to solve.

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nevsk [136]

#Personal computer:-

  • Total=480

Percent

\\ \bull\sf\dashrightarrow \dfrac{480}{1500}\times 100

\\ \bull\sf\dashrightarrow 32\%

#Pacemaker:-

\\ \bull\sf\dashrightarrow 0.26(1500)

\\ \bull\sf\dashrightarrow 390

#Wireless communication:-

\\ \bull\sf\dashrightarrow 0.18(1500)

\\ \bull\sf\dashrightarrow 270

#Television:-

Percent

\\ \bull\sf\dashrightarrow \dfrac{150}{1500}\times 100

\\ \bull\sf\dashrightarrow 10\%

#Others

  • 100-(10+18+26+32)=100-86=14%

\\ \bull\sf\dashrightarrow 0.14(1500)

\\ \bull\sf\dashrightarrow 225

4 0
3 years ago
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Megan is coloring pictures with her little brother. She picks a colored pencil randomly from the box and gives it to him. Then h
lys-0071 [83]

Answer:

Dependent

Step-by-step explanation:

He cant choose a pencil that she already gave him.

6 0
2 years ago
2х + 7y = 1<br> 2х - 4y = 12
solong [7]

Answer:

What is the question or only

6 0
3 years ago
HELP PLS
Neko [114]
Expansions and compressions are transformations that change the length or width of the graph of a function.


 To graph y = a*f (x)
 if a> 1, the graph of y = f (x) is expanded vertically by a factor a. 
 We have then:
 f (x) = 2/5 x ^ 2-2
 The function g (x) is a vertical stretch of f (x) by a factor of 2:
 g (x) = 2f (x)
 g (x) = 2 (2/5 x ^ 2-2)
 g (x) = 4/5 x ^ 2-4

 Answer:
 The equation of g (x) is: 
 g (x) = 4/5 x ^ 2-4
8 0
3 years ago
Sedimentary rocks are rocks that are made of sediments that come from ? A other rocks B Tall mountains C deposits of rivers and
Finger [1]

Answer:

its c

Step-by-step explanation:

3 0
3 years ago
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