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lakkis [162]
3 years ago
12

-2/5 - (-2/5) plz help il reward you

Mathematics
2 answers:
polet [3.4K]3 years ago
4 0

zero

double - is actually plus

Bond [772]3 years ago
3 0
The answer is zero .
You might be interested in
A cylinder has a total volume of 678.59 and a height of 6m. what is the diameter of the cylinder? please help and show work
RoseWind [281]
Volume =
\pi {r}^{2} h
r = \sqrt{678.59 \div 6}
multiply r by 2 and you will get diameter
7 0
3 years ago
Marcos sees a cake advertised as $15 or 2 for $25. What is the difference of the unit rate?
Mekhanik [1.2K]

Answer:

A. 2.50

Step-by-step explanation:

25 ÷ 2 = 12.5

15 - 12.5 = 2.50

6 0
3 years ago
To determine how a city's residents feel about building a new youth center, a group considers surveying 50 random children at a
Novay_Z [31]

Answer:

This would most probably result in biased sample since only a specific part of the community is being surveyed that does not represent all of the community.

Step-by-step explanation:

A survey is being conducted to determine how a city's residents feel about building a new youth center.

They are considering to survey 50 random children at a local elementary school.

This would most probably result in biased sample since only a specific part of the community is being surveyed that does not represent all of the community.

Moreover, it is likely that the students of elementary school might not even have any interest in youth center so results would be biased.

Therefore, it is suggested to include a variety of samples that is surveying different age groups that covers all of the community.

8 0
3 years ago
Read 2 more answers
Which expression has the same value as 4x – 3y?
coldgirl [10]

Answer:

4x+(-3y)

Step-by-step explanation:

\\ \rm\longmapsto 4x+(-3y)

  • (-)(-)=(+)
  • (+)(-)=(-)
  • (-)(+)=(-)
  • (+)(+)=(+)

\\ \rm\longmapsto 4x-3y

5 0
3 years ago
Write an equation of a line parallel to y=1/2x+3 that passes through (2,5)
tamaranim1 [39]
y=\frac{1}{2}x+3 \parallel y=mx+b

Two lines are parallel when their slopes are the same.
m=\frac{1}{2} \\ y=\frac{1}{2}x+b \\ \\ (2,5) \\ x=2 \\ y=5 \\ \Downarrow \\
5=\frac{1}{2} \times 2 + b \\ 5=1+b \\ b=4 \\ \\ \boxed{y=\frac{1}{2}x+4}


5 0
3 years ago
Read 2 more answers
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