MATHEMATICS MIDDLE SCHOOL

Wow the teacher gave me so much homework was worderin if u people could help me with a few problems..-4a=48
12+-132
v+914=-23

Answers

Answer 1
Answer: 1. a=-12
2. 120
3.-937

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What is 1 half subtracted by 1 forth ?

Answers

1/2  -  1/4=  1/4   or do u mean   1/4  -  1/2  =  -1/4
1 half subtract by 1 forth is 0.25

ok guess i got a question for ya what is 0.9% of 54

Answers

0.486because When you have a percent sign that is 2 places to the right so0.9% equals 0.009multiply that times 54and you get0.484

Answer:

.009(54)=.486

Step-by-step explanation:

Brainliest lol

Felicia’s mother is four times as old as Felicia. In 16 years, her mother will be twice her age. How old is Felicia now?

Answers

Answer:

16

Step-by-step explanation:

Now:16 x 2 = 32

16 years:32 x 2 =64

64 / 2 = 32

Answer:

Felicia is  currently 8 years old.

Step-by-step explanation:

F=x  FM=4x

4x+16=2x+0

4x=2x-16

4x/2x=2x/2x-16

2x=-16

x= (+-)8

Now double check

8yrs+16yrs=24

32yrs+16yrs=48

24 x 2 =48

Contact me if you have any questions.

If cos 0 < 0, which quadrant(s) could the
terminal side of a lie?

Answers

Answer:

quadrants 2 & 3

Step-by-step explanation:

cos = adj/hyp

adj is negative in quadrants 2 & 3.

Which number has the same value as 28 tens?

Answers

if it is 28 sets of then then it world be 280 

you multiply 28x10 to get 280

15 is 30% of what number?

Answers

15\ is\ 30\%\ of\ x\n\n30\%=(30)/(100)=(3)/(10)=0.3\n\n15\ is\ 0.3\ of\ x\n\ntherefore\n\n0.3x=15\Rightarrow x=15:0.3\n\n\boxed{x=50}\n\nother\ method:


\begin{array}{cccc}30\%&-&15&|divide\ both\ sides\ by\ 3\n\n10\%&-&5&|multiply\ both\ sides\ by\ 10\n\n100\%&-&50&-solution\end{array}
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