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Veseljchak [2.6K]
3 years ago
5

What is the scale factor in the dilation?PLEASE HURRY!!!​

Mathematics
1 answer:
gladu [14]3 years ago
7 0

Answer: 1/3

Step-by-step explanation:

2.5:7.5

3:9

just simplify

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Given the equation:
Alisiya [41]

Answer:

x = 1 and x = \frac{-4}{5}

Step-by-step explanation:

In this equation, a=5, b=-1, c=-4.

Plug these into the quadratic formula:

x = \frac{1+\sqrt{-1^{2}-(-4)(5)(-4) } }{2(5)}   and x = \frac{1-\sqrt{-1^{2}-(-4)(5)(-4) } }{2(5)}

Now, simplify the equations:

x = \frac{1+\sqrt{81} }{10} = \frac{1+9}{10} = \frac{10}{10} = 1

and

x = \frac{1-\sqrt{81} }{10} = \frac{1-9}{10} = \frac{-8}{10} = \frac{-4}{5}

5 0
3 years ago
Find the 12th term of the arithmetic sequence 2a - b, 3a - 2b, 4a - 3b​
Alina [70]

Answer:

the 12th term of the arithmetic sequence would be 13a - 12b

Step-by-step explanation:

as you can see from the sequence, it goes up by 1. 2a - b became 3a -2b as an example.

3 0
3 years ago
Read 2 more answers
Simplify the following expression. 2x^5+3x^3-5x^2+7x+1+7x^5-3x^3-4
alisha [4.7K]

Answer:

9x^5−5x^2+7x−3

Step-by-step explanation:

2x5+3x3+−5x2+7x+1+7x5+−3x3+−4

(2x5+7x5)+(3x3+−3x3)+(−5x2)+(7x)+(1+−4)

9x^5+−5x^2+7x+−3

3 0
3 years ago
If the area of a circle is 81π, then what is the diameter of the circle?​
viva [34]

Answer:

18

Step-by-step explanation:

81π=πr^2

r= 9,-9

9+9=18

7 0
3 years ago
Susan’s weekly earnings were proportional to the number of hours she worked. This table shows
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The answer is $19.00
7 0
3 years ago
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