Can someone please answer these 4 questions they don’t look hard- but I just need to understand please!! (If you can provide the
answer please!!!!!) -50 points please answer truthfully I’ll give brainliest!
2 answers:
You might be interested in
Answer:
Jewel is 7 years old
John is 1 year old
Dave is 17 years old
Step-by-step explanation:
From the question we are told that:
Jewel age is
John age
Dave's age a Year ago
So that Dave.s age this Year could be
Simplifying Equation for Dave's age we have
Dave is 17 years old
Therefore
Johns age is
John is 1 year old
<h3>Answer:</h3>
- left picture (bottom expression): -cot(x)
- right picture (top expression): tan(x)
A graphing calculator can show you a graph of each expression, which you can compare to the offered choices.
_____
You can make use of the relations ...
... sin(a)+sin(b) = 2sin((a+b)/2)cos((a-b)/2)
... cos(a)+cos(b) = 2cos((a+b)/2)cos((a-b)/2)
... cos(a)-cos(b) = -2sin((a+b)/2)sin((a-b)/2)
Then you have ...
and ...