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monitta
2 years ago
8

Ax^2+bx+c , we get b-c-a=

Mathematics
1 answer:
maria [59]2 years ago
3 0

Answer:

0  \: I  \: think.

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gavmur [86]
The correct answer is C
5 0
2 years ago
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If 12 workers can dig a tunnel in 100 days, how long will it take 20 workers to dig the tunnel
Paraphin [41]

Answer:

60 days.

Step-by-step explanation:

This is  a proportion question. You compare two ratios. Unfortunately it is an inverse ratio.

12 = k/100                   Multiply both sides by 100

1200 = k

20 = k/x                       Multiply both sides by x

20x = k

20x = 1200                 Divide by 20

20x/20 = 1200/20

x = 60 days.  

An inverse proportion works by making a constant k. The  constant k makes the days shorter when the number of people increases. You should expect that. More people , less time.

3 0
2 years ago
What is the slope of the line containing the points (1,-1) and (3,3)
marishachu [46]

Answer:

1

Step-by-step explanation:

1111111111111111111

4 0
2 years ago
The value is $400 invested at 4% interest compounded monthly for 10 years.
svetoff [14.1K]
The equation for interest is 
'Initial amount (interest rate in decimal form) ^ times compounded EX: years'

your equation would be
400(1.04)^10

which equals 592.097713 (not rounded)
8 0
3 years ago
Question 3 < > In a particular class of 33 students, 18 are men. What fraction of the students in the class are women?​
Juli2301 [7.4K]

Answer:

Your answer is 15 Women

Step-by-step explanation:

33-18= 15

8 0
2 years ago
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