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Nina [5.8K]
3 years ago
10

Which function is equivalent to 3x^2+x-10

Mathematics
1 answer:
rodikova [14]3 years ago
4 0

Answer:

d

Step-by-step explanation:

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Solve using substitution.<br> y = -2<br> -7x - y = -5
Natasha_Volkova [10]

Step-by-step explanation:

- 7x - ( - 2) =  - 5 \\  - 7x + 2 =  - 5 \\  - 7x =  - 7 \\ x = 1 \\

5 0
2 years ago
(x - 6)^2 - 12 = x^2- 12x + c. What is the value of c?
mojhsa [17]

Answer:

C = 24

Step-by-step explanation:

(x - 6)² - 12 = x² - 12x + c

(x - 6) (x - 6) -12 = x² - 12x + c

x(x - 6) - 6(x - 6) - 12 = x² - 12x + c

x² - 6x -6x + 36 - 12 = x² - 12x + c

x² - 12x +36 - 12 = x² - 12x + c

x² - 12x + 24 =   x² - 12x + c

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4 0
2 years ago
Higher Circle Theorems<br> Three questions 20 points.
Law Incorporation [45]

Answer:

64

Step-by-step explanation:

alternating angles are equal

8 0
2 years ago
A sales manager gathered information on the number of sales calls made and the number of copiers sold for a random sample of 20
lubasha [3.4K]

Answer:

. The sales manager gathered information on the numbers of sales calls made and the number of copiers sold for a random sample of sales representative. Is there a positive correlation between calls made and copiers? Test at the 0.05 level of significance. Determine the 90% prediction interval for 60 number of calls made. * Calls, X Sold. Y 20 40 20 50 40 60 50 90 40 80 20 40 40 60 30 60

5 0
2 years ago
Of the students attending a rock concert, 80 of them were 8th graders. Of these 8th graders, 25% of them were wearing ear plugs.
zhuklara [117]

Answer:

15%

Step-by-step explanation:

If 10% of the 25% of 8th graders who were male, 15% would be females because 25-10= 15. So, 15% would be my answer.

6 0
2 years ago
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