Answer:
x=-4
Step-by-step explanation:
-4x -7 - 3x + 4 = 25
-7x=25-4+7
x=-28/7
x=-4
Answer:
33.3
Step-by-step explanation:
tan A = opp/adj
tan 39° = 27/x
x tan 39° = 27
x = 27/(tan 39°)
x = 33.3
Answer:
28 quarters and 5 dimes
7(Q)+5(D)
7(4)+5(10)
28Q 50D Q=quarters D=dimes
it would be more efficient to do the substitution method bc its faster and easier
Answer:
I don't really know
Step-by-step explanation:
I don't really know but if you want to find out math questions try this website called wolfram alpha. It's great with those type of stuff.
Answer:
D
Step-by-step explanation:
For A it'd be 1/2 x 8 which is 4
B is 4/1 that's the same as 4
C has 8-4 and that's also 4
D would be 8x4 which is 32
Hope that helps and have a great day!