A number is doubled and then increased by nine. The result is ninety- Three. What is the original number?
1 answer:
Answer:
42
Step-by-step explanation:
First you subtract 93 by 9. You get 84. Then you divide it by 2. Which is your answer, 42.
This can be represented as:
93=2x+9
First subtract 9 from both sides
84=2x
Then divide by 2 on both sides
42=x
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Convert the mixed number into a decimal and multiply on a calculator (or by hand).
Answer:
$ 2100
Step-by-step explanation:
De la pregunta anterior:
1 metro de cerca de alambre = $ 150
14 metros = x
Cruz multiplicar
x = 14 × $ 150
x = $ 2100
Por lo tanto, costaría $ 2100 por una cerca de 14 metros
I would suggest factoring using the grouping method. The answer I got was (2n-1)(n+2)
It’s the second one it’s right