Answer:
8 cm
Step-by-step explanation:
Step 1: Add 3 to both sides.
2x-3+3=7+3
2x=10
Step 2: Divide both sides by 2.
2x/2=10/2
x=5
Answer:
Last one is 90 and -65, 3rd one is 120 feet i think, and i am 99% sure 2nd one is 129
Step-by-step explanation:
Answer:
y=5 degrees
Step-by-step explanation:
It is an isosceles triangle so that means that there are two angles that equal 75, so that means the third side with 4y + 10 is equal to 30 degrees.
4y+10=30
4y=20
y=5 degrees
Answer:
n < -1.
Step-by-step explanation:
-2 < 2n - 7 - 7n
-2 < -5n - 7
-5n > 5
n < -1.