Answer:
Joseph's present age=3 yrs
David's present age=9 yrs
Step-by-step explanation:
Let Joseph's present age be x.
David's present age=3x
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Ater 3 yrs,
Joseph's age=x+3
David's age=2(x+3)
Also, we can add 3 to David's present age to get age After 3 yrs. So, David's age after 3 yrs would also be 3x+3.
Now, balance them.
3x+3=2(x+3)
3x+3=2x+6
x=3
D"s prsent age=9
J's present age=3
This can be solved by using the 30 60 90 triangle. The 30-60 side is equal to 2x, here it is 2x=18. The 60-90 side is equal to x. So this side is 18/2=9. The 30-90 side is by the way equal to the root of x, so here the root of 18
Answer:
The vertex of this function is (2;-3).
Hope this helps!
The correct answer is C), find the reading at |-80| degrees below the 110 mark.
We start at the first number, 110. We go 80 degrees below it to find our answer, since we are adding a negative number.
Answer:
The first term of the series is 125.
Step-by-step explanation:
The sum of the first four terms of a geometric series can be described by the following equation:
Where x1 is the first term and r is the common ratio. Replacing the given values into the equation to solve for x1 yields:
The first term of the series is 125.
