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3 years ago

Give an example of parallel lines in the real world. Then describe how you could prove that the lines are parallel.

1 answer:

4 0

The sides of a TV.

since left and right (sides) goes up and down

---------------
| T.V | <-- SIDES R THE SAME VERTICAL
| °°° | LINE <UP AND DOWN>
---------------

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If the scale factor is 5, how many times larger will the scaled copy's area be?

Lady bird [3.3K]

Answer:

25 times

Step-by-step explanation:

Scale factor is the ratio of dimensions of the image and the preimage.

Scale factor = $\frac{\text{Side length of image}}{\text{Side length of preimage}}$

Since area of a figure is the square of dimensions.

Area = Length × Width

Therefore, area scale factor will be the ratio of square of the dimensions of image and preimage.

Area scale factor = $\frac{\text{Area of the image}}{\text{Area of the preimage}}$

= (Scale factor)²

= 5²

= 25

Therefore, area of the image will be 25 times the area of the preimage.

4 0

3 years ago

Plz help me plz fugugughfufgfhvjgu

Anon25 [30]

Answer:

B is the only one i know, sorry.

Step-by-step explanation:

Hope this helped

8 0

2 years ago

What is 34.14 in expanded form

lorasvet [3.4K]

The answer to your question is 30+4.+10+4

5 0

3 years ago

Read 2 more answers

Find all complex solutions of 5x^2+5x+3=0.

oksian1 [2.3K]

Answer:

see explanation

Step-by-step explanation:

5x² + 5x + 3 = 0 ← in standard form

with a = 5 , b = 5 , c = 3

Solve using the quadratic formula

x = $\frac{-b+/-\sqrt{b^2-4ac} }{2a}$

= $\frac{-5+/-\sqrt{5^2-(4(5)(3)} }{2(5)}$

= $\frac{-5+/-\sqrt{25-60} }{10}$

= $\frac{-5+/-\sqrt{-35} }{10}$

= $\frac{-5+/-\sqrt{-1(35)} }{10}$

= $\frac{-5+/-i\sqrt{35} }{10}$

Then

x = $\frac{-5}{10}$ ± $\frac{1}{10}$ i $\sqrt{35}$ , that is

x = - $\frac{1}{2}$ - $\sqrt{x} \frac{1}{10}$ i $\sqrt{35}$ , - $\frac{1}{2}$ + $\frac{1}{10}$ i $\sqrt{35}$

5 0

2 years ago

A box contains 95 pink rubber bands and 90 brown rubber bands. You select a rubber band at random from the box. Find each probab

vivado [14]

Answer:A. The theoretical probability for pink is 95/185 or about 51.35%

B. The theoretical probability for brown is 90/185 or about 47.82%.

C. To find the experimental probability, we will make another fraction. The number of outcomes will be the numerator and the total will be the denominator.

Pink 36/69 = 52.17%

Brown 33/69 = 47.82%

Step-by-step explanation:

4 0

2 years ago