Answer:
J Compound interest; $298.65
Step-by-step explanation:
Interest compounding pays interest on the interest. For the same annual rate, any amount of compounding will earn more interest.
For short time periods, the effect of compounding is not great. In general, it will be a fraction of the equivalent simple interest rate. Here, the effective multiplier for annual compounding is ...
1.051^4 = 1.22024337
and the effective multiplier for simple interest is ...
1 +0.051·4 = 1.204
Then the difference in interest rate multiplier for the 4-year period is ...
1.22024337 -1.204 = 0.01614337
That fraction of the $18500 principal is $298.65.
Compound interest earns $298.65 more than simple interest in this scenario.
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Answer:
The state C spends $1.7 million more than the state D
So C = D + 1.7
C + D = 54.3
Instead of C we can write D + 1.7
So D + 1.7 + D = 54.3
So 2D + 1.7 = 54.3
So 2D = 52.6
D = 26.3 and C = 28
A
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Answer:
D
Step-by-step explanation:
A is incorrect because 5 cubed is not -125. it is positive 125.
B is incorrect because -3 cubes is not 27, it is negative 27.
C is incorrect because -10 squared is also 100, not only 10 squared.
D is correct because both -12 squared and 12 squared equal 144.
2.80/7=.4 then add .75
.40+.75=1.15 each cookie is 1.15$