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Murrr4er [49]
3 years ago
9

14 = 31.7 – 3x What is the solution

Mathematics
2 answers:
netineya [11]3 years ago
4 0
14 = 31.7 - 3x
-17.7 = -3x
x = 5.9


Darya [45]3 years ago
4 0
31.7 - 3x = 14
subtract 31.7 from both sides
-17.7 = -3x
divide both sides by -3
5.9 = x

your answer is 5.9
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He lifted 100 kilograms and 132.5 kilograms. What was the combined weight of his lifts in grams?
Olegator [25]
So add them together
100+132.5=232.5 kg

kilograms=1000 grams so
232.5kg=1000 times 232.5 grams

232500 grams
7 0
3 years ago
X/5 + 3 = 9 <br> solve equation
Delicious77 [7]

Answer:

X= 15

Step-by-step explanation:

multiply 5 on x/5 and 9

divide 3 and 45

x=15

3 0
3 years ago
Solve by graphing.
const2013 [10]

Answer:

(4,4)

Step-by-step explanation:

y = 2x - 4 -------eqn 1

4y = x + 12 ------eqn 2

From eqn 1 y = 2x - 4; insert in eqn 2

4 (2x-4) = x + 12 (open the bracket)

8x - 16 = x + 12 (taking like figures to the same side, sign changes)

8x - x = 12 + 16

7x = 28

x = 28/7

x = 4

From eqn 1

y = 2x - 4

y = 2(4) - 4

y = 8 - 4

y = 4

(x,y) = (4,4)

8 0
3 years ago
Possible my last brainliest if its right question idk may be more but this one is harsh for me
adelina 88 [10]
Correct Solution: He read 1.5 pages per minute.


Error Analysis: You should’ve divided 3 by 2 not 300. There are 300 pages in the book total. This information is irrelevant to the question. Cole reads 3 pages in two minutes. So you divide 3 by to to find out how many pages he reads per minute. 3/2=1.5
4 0
3 years ago
Is it an integer, or not?<br> -54/6<br> 45/9<br> -65.72<br> 3/4<br> 36
gladu [14]
An integer is a positive or negative whole number.

-54/6 = - 9 ....integer
45/9 = 5...integer
-65.72....not an integer because it has a decimal...it is not a whole number
3/4 = 0.75.....not an integer because it is not a whole number
36....integer


3 0
3 years ago
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