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I am Lyosha [343]
3 years ago
14

What is the answer to number 6? Please break it down and explain.

Mathematics
1 answer:
snow_tiger [21]3 years ago
8 0

Answer:

-2 or -5

Step-by-step explanation:

(2x − 8) / (x² + 7x + 10) is an invalid expression when the denominator is 0.

x² + 7x + 10 = 0

(x + 2) (x + 5) = 0

x = -2 or -5

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ad-work [718]

Answer:

  • 43 minutes
  • $47

Step-by-step explanation:

<u>1. Cell phone usage</u>

Mon to Sun = 38, 62, 40, 10, 30, 55, 65

  • Mean = (38+62+40+10+30+ 55 + 65)/7 = 43 minutes rounded

<u>2. Water bills</u>

Jan to Dec = $40 $42 $40 $38 $48 $50 $58 $62  $56 $46  $44 $44

  • Mean = (40+42+40+38+48+50+58+62+56+46+44+44)/12 = $47 rounded

8 0
4 years ago
What would be the new value of a after running the program
atroni [7]

Answer:

The answer is 15

Step-by-step explanation:

3 \times 5 = 15

4 0
3 years ago
Find the slope of the line that passes through the points 5, 1 and 5,-2​
Papessa [141]

Answer:

10/3

Step-by-step explanation:

First graph the points.

Then count the lines up from one point to the next in a 90 degree angle.

Which is the rise over run method.

4 0
3 years ago
Read 2 more answers
What is 5x+7y+8z-2x+3y+5-z
DochEvi [55]
5x+7y+8z-2x+3y+5-z = 3x+10y+7z+5
4 0
4 years ago
Find the interest earned.
SCORPION-xisa [38]
June is 30 days
30-12=18 days
July is 31 days
August is 30 days
Time=18+31+30=79 days
A=2,750×(1+0.035÷365)^(79)
A=2,770.91
Interest earned
I=A-p
I=2770.91-2750
I==20.91
4 0
3 years ago
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