Answer:
-2.5 or - 2 1/2
Step-by-step explanation:
Writing out the expression Mathematically ;
1/3(-15÷1/2)1/4
Using PEMDAS :
Solving the bracket first
(-15 ÷ 1/2) = (-15 * 2/1) = - 30
We have :
1/3(-30)1/4 = - 10 * 1/4 = - 10 / 4 = - 2.5
-2.5 = - 2 1/2
I could be wrong but i think it’s
false
false
true
Answer:
The correct answer is 47 degrees.
Step-by-step explanation:
Use cosine.
cos(x)= adj/hyp
cos(x)=19/28
x=arccos(19/28)
Use a calculator
x is approximately 47 degrees.
Answer:
-15
Step-by-step explanation:
Given:
Simply plug in and see if the statement is true. If not, isolate x.
Test for truth:
Isolate x in original equation:
- -14+7=x+8
- -14+7-8=x
- -7-8=x
- -15=x
