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bixtya [17]
2 years ago
15

Solve. 10x^2 - 6 = 9x

Mathematics
1 answer:
grin007 [14]2 years ago
7 0

Answer:

B

Step-by-step explanation:

use quadratic formula:  (-b ±√b²-4ac) ÷ 2a

a = 10,  b = -9,  c = -6

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Step-by-step explanation:

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2 years ago
Find the sum of the following ap .1) 1/15, 1/12, 1/10,....,to 11 terms​
sertanlavr [38]

Answer:

33/20

Step-by-step explanation:

1/12 - 1/15 = 5/60 - 4/60 = 1/60

d = 1/60

a_n = a_1 + d(n - 1)

a_11 = 1/15 + (1/60)(11 - 1)

a_11 = 1/15 + 1/6

a_11 = 4/60 + 10/60

a_11 = 14/60

a_11 = 7/30

a_12 = 14/60 + 1/60

a_12 = 15/60

a_12 = 1/4

s_n = n(a_1 + a_n)/2

s_11 = 11(1/15 + 7/30)/2

s_11 = 11(2/30 + 7/30)/2

s_11 = 11(9/30)/2

s_11 = 99/60

s_11 = 33/20

8 0
3 years ago
 If the equation y = 15x + 2 is changed to y = 15x - 4, how will the graph of the line change?
igomit [66]
The y-intercept is changed from 2 to -4.

That means that the point that the graph crosses the y axis has been moved down by 6.

Since the slope of the line has not changed, this just means the graph of the line will be moved down by 6.

Hope this helps!
Your fortune is "When given a difficult choice, trust your gut. If you don't have one, then close your eyes and hope for the best."
6 0
3 years ago
Read 2 more answers
Yo can someone do this for me ty i’m too lazy to do this myself
Debora [2.8K]

Answer:

1. 8 + 4 = 12 x 6 = 72

2. 9 + 6 = 15 x 4 = 60

3. 11 + 8 = 19 x 6 = 114

4. 4 + 6 = 10 x 5 = 50

5. 7 + 3 = 10 x 8 = 80

6. 8 + 12 = 20 x 9 = 180

7. 5 + 10 = 15 x 8 = 120

8. 19 + 13 = 32 x 10 = 320

9. 3 + 6 = 9 x 2 = 18

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Base 1 + Base 2 times Height times a half (basically dividing by 2).

5 0
2 years ago
Acellus equations of lines
jarptica [38.1K]

Answer:

y=1/4x-2

Step-by-step explanation:

formula

y=mx+b

6 0
2 years ago
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