Help please!! Thank you!! :)
1 answer:
Answer:
A. m^2+7m+10=0
Step-by-step explanation:
This is a problem in pattern matching, and in substituting a variable for a pattern.
(x^2+3)^2 +7x^2 +21 = -10 . . . . . . given
(x^2 +3)^2 +7(x^2 +3) = -10 . . . . . factor the last two terms
m^2 +7m = -10 . . . . . . . . . . . . subsitute m for x^2 +3
m^2 +7m +10 = 0 . . . . . . . . add 10 to both sides; matches A
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Answer:
B. 1:2800
Step-by-step explanation:
448 / .16 = 2800
1:2800
Feel free to let me know if you need more help! :)
It is 14% as you add up all of the numbers and divide 10 by that number and finally multiply by 100 for a percent
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Steps:
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