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tiny-mole [99]
3 years ago
9

1) What can u do to get 2x alone on the left side?

Mathematics
1 answer:
CaHeK987 [17]3 years ago
5 0

Answer:

1)

82.5 - <u>8</u><u>2</u><u>.</u><u>5</u> + 2x = 338.5 - <u>8</u><u>2</u><u>.</u><u>5</u>

<u>2</u>x = <u>2</u><u>5</u><u>6</u>

2)

2x ÷ <u>2</u> = 256 ÷ <u>2</u>

x = <u>1</u><u>2</u><u>8</u>

Step-by-step explanation:

1)

In order to get rid 82.5, you have to substract the same value on both side to get a 0 value.

2)

In order to find the value of x, you have to divide the value that is sticked with x which is 2. As you divide 2 by 2, you will get 1 as a single value of x so you have to divide 2 to both side too.

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If Kamila can do a job in 26 hours and Simon and Kamila working together can do the same job in 9 hours , find how long it takes
Kay [80]

Answer:

Simon takes approximately 13.76 hours to complete the job alone.

Step-by-step explanation:

We are given the following in the question:

Kamila can do a job in 26 hours  

So, part of work done by Kamila in 1 hour =

\dfrac{1}{26}

Simon and Kamila working together can do the same job in 9 hours .

So, (Simon and Kamila)'s 1 hour work =

\dfrac{1}{9}

So, Simon's 1 hour work =

\dfrac{1}{9}-\dfrac{1}{26}=\dfrac{17}{234}

So,

Simon can do \frac{17}{234} part of work in hour = 1

Time taken by Simon to complete the job alone =

\dfrac{1}{\frac{17}{234}}=\dfrac{234}{17}\approx 13.76 \text{ hours}

Thus, Simon takes approximately 13.76 hours to complete the job alone.

3 0
3 years ago
Help!!!!!!!!!!!!!!!!!!!
Afina-wow [57]

Answer:

for question 1 it is the first one. and for question 2 it is b

Step-by-step explanation:

i did this already

8 0
3 years ago
Plz help me im desparate....but actually dothe question and not just come up w/ a phony anwser.....
olga nikolaevna [1]
It might be helpful to write up the question like this:
300=100%
3=1%
120=

If you do this, you’ll see that the question is really easily solved by just finding the number necessary to multiply 3 with to get 120.

If you understand this, the rest should follow.
7 0
3 years ago
HURRY PLEASE!!!
ozzi
1:04pm pretty sure i think that’s right
5 0
2 years ago
What is not a common factor for the two fractional terms 
lianna [129]
 This just means that thefraction<span> has been reduced. For instance 4 / 6 is </span>not<span> such a </span>fraction<span>, because the top and the bottom have </span>gcf<span> = </span>2<span>, but </span>2<span> / 3 is such a </span><span>fraction</span>
8 0
3 years ago
Read 2 more answers
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