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IgorLugansk [536]
3 years ago
10

7+2x /3 = 5 Thx.......................

Mathematics
2 answers:
OleMash [197]3 years ago
7 0

Answer:

x=-3

Step-by-step explanation:

Use PEMDAS to solve. Balance both sides by subtracting 7 from both sides. Then, multiply both sides by 3. Finally, divide the result by 2 to isolate x and you end up with x=-3

mote1985 [20]3 years ago
4 0

Answer:

x= -3

Step-by-step explanation:

7+\frac{2x}{3} = 5

21+2x=15

2x=-6

x= -3

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A circular rug has a radius of 3 ft. What is the circumference of the rug? Use 3.14 for Pi.
LenaWriter [7]

Answer:

18.84 ft

Step-by-step explanation:

2*3.14*3=18.84 ft

7 0
2 years ago
I cant figure out the answer pls explain
Kazeer [188]
0.3(x - 2y) + 0.5x - y
0.3x - 0.6y + 0.5x - y
(0.3x + 0.5x) + (-0.6y - y)
0.8x + 1.6y
This means the answer is B.
Feel free to ask me any questions about method of solving in the comments :)
6 0
3 years ago
Alison knits 1/10 of scarf in 4/5 of an hour. what fraction of a scarf can alison knit in 1 hour? and how do u solve it?
pav-90 [236]
For this case we can make the following rule of three:
 1/10 scarf ------> 4/5 hour
 x ------------------> 1 hour
 Clearing the value of x we have:
 x = (1 / (4/5)) * (1/10)
 Rewriting we have:
 x = (5/4) * (1/10)
 x = 5/40
 x = 1/8
 Answer:
 
A fraction of a scarf that alison can knit in 1 hour is:
 
x = 1/8
8 0
3 years ago
Read 2 more answers
Three friends all have ages that are consecutive integers. The sum of their ages is 48. what is the age of the eldest friend?
Schach [20]

Answer:

C.17 years old

Step-by-step explanation:

consecutive means that they come after each other

17+16+15=48

4 0
2 years ago
Read 2 more answers
Need some math help!!
BlackZzzverrR [31]
It's the second one.
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3 years ago
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