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oee [108]
3 years ago
5

Helppppppppppplszzzz

Mathematics
2 answers:
pshichka [43]3 years ago
8 0

Answer:

3x=15

Step-by-step explanation:

3(5)=15 it's the only one where x can be 5

Slav-nsk [51]3 years ago
4 0
Plug x = 5 into all the equations
A: 2 + 5 = 3 (false)
B: 3(5) = 15 (true)
C: 5/2 = 10 (false)
D: 5 - 7 = 12 (false)

Solution: B
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marishachu [46]
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6 0
3 years ago
What is 3/4 of 16/21? worked out please
timofeeve [1]
Of means multiplication

So

\frac{3}{4} \sf{of}  \frac{16}{21}  =  \frac{3}{4} \times  \frac{16}{21}

And then simplify the numerator ad denominator

= \frac{3 \times 16}{4 \times 21} =  \frac{\ 1 \times 16}{4 \times 7}

And simplify the numerator and denominator again

= \frac{\ 1 \times 16}{4 \times 7} = \frac{\ 1 \times 4}{1 \times 7}

And we are finally left with the answer which is \frac{4}{7}
5 0
3 years ago
The ratio of a basketball player's completed free throws to attempted free throws is 4 to 7. If she completed 12 free thro
mina [271]

Answer:C

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Factor this expression. 3x² - 6x O A. 3x(x - 2) B. 3x(x2 - 2) O C. 3(x-2) D. 3072 - 2)​
Kaylis [27]
The answer is A. 3x(x-2).
5 0
3 years ago
Read 2 more answers
Need Help help me plz ;(
omeli [17]
So in order to solve you must first combine like terms.
-2y + 2y + 3 = 3
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Subtract 3.
0 = 0
The answer is infinate solution because both numbers are the same.
I hope this helps love! :)
7 0
3 years ago
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