Answer:
x = 3 +- √18
Step-by-step explanation:
By completing the square method
Answer:
£70
Step-by-step explanation:
There are ten people and each person pays £56 so the total cost will be 10x£56 = £560
The boat will be hired out for the same price (£560) and there are eight people this time, so £560 divided by 8 = £70. This means each person will pay £70.
Answer:
Step-by-step explanation:
So first we combine like terms on the left
1-7=-6
then we have
-7x-6=15
next we add 6 both sides
-7x-6=15
+6 +6
-7x=21
then we divide -7 each side
we get
x=-3
5 rounds up 6 rounds up 2 stays the same what is the answer?
Answer with Step-by-step explanation:
We are given that a function

Assign each whole number to its largest place value digit.



We have to find the value of x that makes the equation 7 a true statement.
When f(x)=7
Then, the possible values of x are 7,127,27,257,... .
Because f(7)=7
f(127)=7
f(27)=7
f(257)=7
Therefore, the value of x =7,127,257,27,..