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lakkis [162]
2 years ago
11

Five times the sum of a number and 3 is the same as 3 multiplied by 1 less than twice the number

Mathematics
1 answer:
olga nikolaevna [1]2 years ago
7 0
5(3+n)=3(2n-1)
15+5n=6n-3
18=n
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Rewrite the equation by completing the square 4x^2-4x+1=0
oee [108]

Answer:

4(x - \frac{1}{2} )² = 0

Step-by-step explanation:

Given

4x² - 4x + 1 = 0

To complete the square the coefficient of the x² term must be 1

Factor out 4 from 4x² - 4x

= 4(x² - x) + 1 = 0

add/subtract ( half the coefficient of the x- term )² to x² - x

4(x² + 2(- \frac{1}{2} )x + \frac{1}{4} - \frac{1}{4} ) + 1 = 0

4(x - \frac{1}{2} )² - 1 + 1 = 0

4(x - \frac{1}{2} )² = 0

8 0
2 years ago
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What is the difference between these fractions?<br><br> +3/4−(+7/8)
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Answer:

1/8

Step-by-step explanation:

3/4 is 6/8 and 6/8 - 7/8 is 1/8

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Musya8 [376]

Answer:

B, The initial number of bacteria increases at a rate of 24% each day.

Step-by-step explanation:

I think the answer is B because it is the one that closely matches the problem. 312 is multiplied by 1.24 with an exponent. Just eyeballing it, it's multiplied by itself and then an increase of 24%. Also, none of the other statements seem to be correct, D not even making sense in the scope of the problem. Hope this helps, good luck.

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NEED HELP ASAP ITS TIMED
Arturiano [62]
B. 39

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Fofino [41]

Answer:

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Step-by-step explanation:

Just go to calculator and write -9÷54-(-12÷54)

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