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Daniel [21]
3 years ago
12

At a hardware store, a tool set normally costs $80. During a sale this week, the tool set costs $12 less than usual. What percen

tage of the usual price is the savings?
Mathematics
1 answer:
Ratling [72]3 years ago
6 0

15%

Explaination according to zehtmnt who also answered this question by another person:

You have to do a proportion

12. = x

80 100 and u have to cross multiply

80x = 1200

80. 80

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Select the correct triangles<br> Identify the triangles that are right triangles
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Answer: The first and last triangles

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Step-by-step explanation:

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3 years ago
What is the solution to the following system?​
Norma-Jean [14]

Answer:

(2,1,0)

Step-by-step explanation:

3x+3y+6z=9

3(2)+3(1)+6(0)=9

6+3+0=9

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9=9

x+3y+2z=5

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5 0
3 years ago
What are the solutions of the equation 2x² = 18? Use a graph of the related function.
Dmitriy789 [7]

Answer:

x=3

Step-by-step explanation:

2x^2= 18

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3 0
4 years ago
Find all the zeroes of the polynomial function f(x)=x^3-5x^2+6x-30 in you use synthetic division show all three lines of numbers
jonny [76]

Answer:

5,i\sqrt 6 and -i\sqrt 6

Step-by-step explanation:

We are given that  the polynomial

f(x)=x^3-5x^2+6x-30

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f(x)=0

x^3-5x^2+6x-30=0

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x=\pm\sqrt{-6}=\pm i\sqrt6

Using \sqrt{-1}=i

Hence, all the zeroes of the polynomial function are

5,i\sqrt 6 and -i\sqrt 6

7 0
3 years ago
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