Answer:
Step-by-step explanation:
we know that
The algebraic expression of the phrase " The sum of square of c and d" is equal to adds the square of number c to the number d
The algebraic expression of the phrase " The sum of square of c and d increased by twice their product" is equal to
Answer:
x=7 x=-7
Step-by-step explanation:
Solution is attached.
Answer:
b = 7
Step-by-step explanation:
Since the triangle is right use the tangent ratio to solve for b
and the exact value
tan30° = 
, thus
tan30° = 
= 
and
= ( cross- multiply )
b = 7
Answer: C
Step-by-step explanation:
It is C because you are adding money to something you already have, hence positive integer
