Step-by-step explanation:
Equations:
Quantity:: d = n + 3
Value::: 10n + 5d = 615 cents
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Modify::
d - n = 3
d + 2n = 123
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Subtract and solve for "n"::
3n = 120
n = 40 (# of nickels)
d = n+3 = 43 (# of dimes)
Answer:
10.7
Step-by-step explanation:
You set up the proportion like this:
When you solve for x you get
x=10.7 rounded to the nearest tenth
Answer:
x=72
Step-by-step explanation:
x=3/4x+18
4(x=3/4+18)
4x=3x+72
x=72
Answer:
3 raise to -7 ÷3 raise to -10 × 3 raise to -5
3 raise to -7-(-10)×3 raise to -5
3 raise to 3×3 raise to -5
3 raise to 3+-5
3 raise to -2
1/3²
1/9
hope it helps you!
For those who are looking for the answer, i just did the test, and got this question right. The answer is the second option: an<span> = 10(1/2</span>)n − 2<span>; average rate of change is negative thirty five thirds. Hope this helps you all, and good luck.</span>
