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Lesechka [4]
3 years ago
15

Justin now has a final exam today. There are 20 questions with 3 options. Each

Mathematics
1 answer:
mamaluj [8]3 years ago
6 0

Answer: .0142%

Step-by-step explanation:

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A jacket is on sale for 20% off the regular price. The sale price ism$50.00. What is the regular price of the jacket?
Delicious77 [7]
Lets solve for x.

 0.8x = 50. - Remember that the jacket was 80% of the original price.

Thus, divide by x.

x = 50 / 0.8
x = 62.5
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3 years ago
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Ax+r=7 , solve for x
Alex777 [14]

Answer:

3

Step-by-step explanation:

a is 4 and 3 is x so 4+3=7

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One day at St. Philip's High School, 1/2 of the pupils walked to school, 1/5 of the pupils came to school by bus, and the remai
Sergio [31]
The first thing to do is the make the denominators of the fractions the same. 

5/10 of the pupils walked to school and 2/10 of the pupils came to school by bus. 
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10/10 - 7/10 = 3/10. 

<span>3/10 of the pupils came to school by car. </span>
7 0
3 years ago
Can the polynomial equation have exactly 1 real solution, including any repeated solutions? (Use the Fundamental Theorem of Alge
Kryger [21]

yes, there are infinitety many polynomial that have exactly one real root just like your example, to determine the real root first let the real root is a, and the complex roots are b±ic the polynomial satisfy

-9x³ + 19x² + 17 = -(x - a)(x - b - ic)(x - b + ic)

9x³ - 19x² - 17 = (x - a)(x - b - ic)(x - b + ic)

5 0
3 years ago
Find Y ...............................
Arisa [49]

36/24= y/20

3/2 = y/20

(3/2) × 20 = y

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30 = y

3 0
3 years ago
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