4. The square root of 5 less than twice a number is 7. Find the number.
1 answer:
Answer:
3.5
Step-by-step explanation:
we can divide that
- the square root of 5
- less than
- twice a number is 7
as you see the first one is really easy
the second one is < because it points to the lower number
the third one we have
twice a number is 7
let's say x is the number
so twice x is 7
twice means 2 times
so 2 times x is 7
so the number is 3.5
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Answer:
Each of them had $49 at first.
Step-by-step explanation:
Given:
Cedric and Doug each had an equal amount of money.
Let the number of money they had at first be x
Cedric spent = $35
Doug spent = $28
Cedric Money left =
Doug Money left =
the ratio of Cedric money to Doug money was 2:3
Hence the expression can be made as;
Now by cross multiplication method we get;
Now we will use distributive property to elaborate the same;
Combining common terms we get;
Using Subtraction property we get;
Hence $49 they each had at first.