sin x= opposite / hypotenuse.
opposite=4
hypotenuse=5
sin x=4/5
x=arc sin (4/5)=53.13º
Answer: x=53.13º
Answer:
= −21
Step-by-step explanation:
3(5−6)−2(4+5)
=(3)(−1)−2(4+5)
=−3−2(4+5)
=−3−(2)(9)
=−3−18
=−21
brainliest please? :)
Answer:
Term
Expression
Step-by-step explanation:
8y is a term in the expression
7x + 8y
There are two terms in the expression 7x + 8y
First is 7x
Second is 8y
7 and 8 are coefficient of x and y respectively
7x+8y is an expression because there is no equality sign(=), it doesn't equate to any value.
Unlike an equation that has the Equal to sign(=)
There are three basic types of expression:
1. Arithmetic expression
2. Character expression
3. Logical or relational expression
Answer:
86
Step-by-step explanation:
= 200 +142 -28
=342-28
=314
= 1000
She began with 10. She has 11. Take away the 6 she just bought and that leaves 5. But she had sold half and ended up with 5. So she started with 10!