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Vinvika [58]
3 years ago
8

13) Brainliest and 10 + Points!! :) HELP ASAP PLS

Mathematics
1 answer:
Marina CMI [18]3 years ago
4 0

Answer: 2x^2+6x+20=0

Step-by-step explanation:

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What is 1 6/8 as a fraction . how did you figure it out
inn [45]

Answer:

7/4

Step-by-step explanation:

8 0
3 years ago
A number , x,rounded to 1 decimal place is 3.7 what is the error interval for x
Phantasy [73]
<h2>Answer:</h2>

The error interval for x is:

                  [3.65,3.74]

<h2>Step-by-step explanation:</h2>

The number after rounding off is obtained as:

                          3.7

We know that any of the number below on rounding off the number to the first decimal place will result in 3.7:

   3.65     3.66    3.67    3.68    3.69    3.70    3.71   3.72    3.73    3.74

( Because if we have to round off a number present in decimals to n place then if  there is a  number greater than or equal to 5 at n+1 place then it will result to the one higher digit  at nth place on rounding off and won't change the digit if it less than 5 )

         Hence, the error interval is:

             [3.65,3.74]

     

8 0
3 years ago
marcel rides his bicycle to school and back on Tuesdays and Thursdays. He lives 3.62 kilometers away from school. Marcels gym te
Nonamiya [84]

It should be 14.48 please correct me if wrong!

5 0
3 years ago
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Which of the following is equivalent to the expression 2x + 3x +4x (x-2)
Alex787 [66]

Answer:

a

Step-by-step explanation:

add and the take the parathesis out and there you have ur answer

4 0
3 years ago
In how many ways can 7 students be seated at 7 desks?
SCORPION-xisa [38]
If I'm not wrong I believe it would be 343 different ways.
7 0
3 years ago
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