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Lady bird [3.3K]
3 years ago
8

5x(x+6)=−50 i need to find the xs by completing the square

Mathematics
1 answer:
FrozenT [24]3 years ago
7 0
5x(x+6)=-50 X(x+6)=-10 X square +6x=-10 (X+3) square=-10-9 (X+3) square=-19 So this equation has no solution
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Which of the following units is incommensurable with kilograms
Delvig [45]

Answer:

All units of measurement that are not based on or do not measure mass or weight and volume are incommensurable with kilograms.

Step-by-step explanation:

A measure unit is said to be incommensurable with another if it does not have the same measurement basis with the other measure unit.  For example, a measure in time cannot be measured in kilograms because time is measured in hours, minutes, seconds, days, etc.  But, if a measurement base can be applied to two or more measurement units, then the measurement units are commensurable with the measurement base.

7 0
3 years ago
Which is not a common factor of 15, 45,and 90
Naddika [18.5K]

Answer:

6/90/45/30/18/9/2

Step-by-step explanation:

15: 3/5/15/1

45: 45/1/9/5/15/3/

90: 90/1/9/10/45/2/15/6/3/30/5/18

7 0
3 years ago
Can you simplify 6/60?
Slav-nsk [51]
Yes divide by 6 both top and bottom and u get 1/10
8 0
3 years ago
Read 2 more answers
The train to Boston traveled at an average speed of 50 miles per hour for 5 hours. The train to Hartford traveled at an average
lawyer [7]
To find how many miles per hour you need to divide 50 by 5 to get the number of miles per hour and do the same thing to the 2nd step and to find the difference you need to subtract the numbers. Hope it helps!!!
5 0
3 years ago
Two angles are vertical angles. One angle is ( 8x + 15 ) and the other angle is 143. Solve for x.
sineoko [7]

Answer:

x = 16

Step-by-step explanation:

Verticle angles are always congruent, so:

(8x + 15) = 143

Now, we can solve to isolate x:

8x + 15 - 15 = 143 - 15  (subtract 15 from both sides)

8x/8 = 128/8                (divide both sides by 8)

x = 16

You can always plug in the value of x to the original equation to check your answer:

8(16) + 15 = 143

5 0
2 years ago
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