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liberstina [14]
3 years ago
15

What is 3x + (2- 4x)

Mathematics
1 answer:
Dvinal [7]3 years ago
8 0

Answer: 7x+2

Step-by-step explanation:

3x+(2-4x)

3x+2+4x

3x+4x=7x

7x+2

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A rectangular room is 3 times as long as it is wide and it’s perimeter is 56 m find the dimension of the room the length and wid
Lady bird [3.3K]

Answer:

Width = 3x                                         So,  

Length = x                                          3w + w = 56/2 = 28

3x + x = 4x                                              

56 / 4 = 14                                            w = 7

x = 14                                                    

14 x 3 = 42                                            

                                                         

Answer: 42 meters                                  Answer: dimension-  7 meters

6 0
3 years ago
How do you solve this equation? 2 1/2 - 3/4
borishaifa [10]

Answer:

1 3/4

Step-by-step explanation:

you have to convert the mixed numbers into improper fractions first

2 1/2 turns into 5/2

then you make the denominators the same

5/2 turn into 10/4

then you subtract

10/4 - 3/4 = 7/4

then you turn it into a mixed number

7/4 turns into 1 3/4

4 0
3 years ago
Find the area of a circle that has a 12 inch radius.
Mama L [17]
The area is 452.39 Hint : If you know the radius of a circle , you can use it to find the area of what that circle . Just plug that value into the formula for the area of a circle and solve . I hope that's help !
5 0
3 years ago
Read 2 more answers
Which expressions are equivalent to 1/2+3c+4/5
Nitella [24]

The equivalent expression of 1/2 + 3c + 4/5 is \frac{13 + 15c}{10}

<h3 /><h3>How to determine the equivalent expression?</h3>

The expression is given as:

1/2 + 3c + 4/5

Take the LCM of the expression

\frac{5 + 15c + 8}{10}

Evaluate the like terms

\frac{13 + 15c}{10}

Hence, the equivalent expression of 1/2 + 3c + 4/5 is \frac{13 + 15c}{10}

Read more about equivalent expression at:

brainly.com/question/2972832

#SPJ1

3 0
2 years ago
Find the balance on a deposit of $1200 at 10% compounded annually for 5 years.
Sav [38]

Answer:

I believe the answer is d, but im not quite sure

Step-by-step explanation:


7 0
3 years ago
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