A) D + N = 32
B) .1D + .05N = 2.80 multiplying A) by -.1
A) -.1D -.1N = -3.2 then adding this to B)
-.05N = -.4
Nickels = 8 Dimes = 24
*************** DOUBLE-CHECK
.1 * 24 + .05 * 8 = 2.80 ||| 2.40 + 40 = 2.80
Step-by-step explanation:
3x+2x+10+2x+5+2x-15 = 360
9x+15-15=360
9x=360
x=40.
- 3x=3×40=120°
- 2x+5=2×40+5=80+5=85°
- 2x+10=2×40+10=80+10=90°
- 2x-15=2×40-15=80-15=65°.
hope this helps you.
Answer:
-2
Step-by-step explanation:
Answer: See explanation
Step-by-step explanation:
We should note that the value of the digit 2 in the number 32,000 is 2 thousand. The value of the digit 2 in the number 26,000 is 20 thousand = 20,000.
We can simply say that the value of the digit 2 in 26000 is ten times the value of the digit 2 in 32000.
You need to differentiate the equation to find the answer