Will mark as brainliest if correct! (#14)
2 answers:
Answer:
B and D
Step-by-step explanation:
To find the percentage, you divide Martin's correct answers by the total number of questions, then multiply the result by 100.
To find the fraction, it's <em>correct answers/total questions</em>.
Answer:
you should get your answer to be ,B and D
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Answer:
x=-5/2
Step-by-step explanation:
4 x^2 +20 x +25 = 0
x^2+5x=-25/4
(b/2)^2=(5/2)^2
x^2+5x+25/4=0
(x+5/2)^2=0
x=-5/2
(Hope this helps)
I think its d but you cant see all of the question.<span />
The answer should be 31
(10(3)+8)-(1(3)+4)
(30+8)-(3+4)
= 31
Answer:b
Step-by-step explanation:
Took quiz
2400 + 100x = 2200 + 120x
2400 - 2200 = 120x - 100x
200 = 20x
200/20 = x
10 = x <== they would have to sell 10 systems
