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Elina [12.6K]
3 years ago
10

Last quarter, 84 seventh grade students made honor rolls. if there are 400 students in the seventh grade, what percent made hono

r rolls.
Mathematics
1 answer:
lisov135 [29]3 years ago
4 0
Answer: 21%
Explanation: 84/400=0,21
0,21 x 100=21
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its either 3 or -3 hopefully someone in the comments can tell which

Step-by-step explanation:

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The average speed of one airplane is 200 mph faster than that of an automobile. If the automobile starts at 3 a.m. and the airpl
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4 years ago
How much should a family deposit at the end of every 6 months in order to have $4000 at the end of 3 years? The account pays 5.9
ra1l [238]

We are asked to determine the present value of an annuity that is paid at the end of each period. Therefore, we need to use the formula for present value ordinary, which is:

PV_{ord}=C(\frac{1-(1+i)^{-kn}}{\frac{i}{k}})

Where:

\begin{gathered} C=\text{ payments each period} \\ i=\text{ interest rate} \\ n=\text{ number of periods} \\ k=\text{ number of times the interest is compounded} \end{gathered}

Since the interest is compounded semi-annually this means that it is compounded 2 times a year, therefore, k = 2. Now we need to convert the interest rate into decimal form. To do that we will divide the interest rate by 100:

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8 0
2 years ago
Every sequence written in explicit form can be rewritten in recursive form AND every sequence written in recursive form can be r
sasho [114]

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False

Step-by-step explanation:

It makes no sense......

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2 with the second power??

Step-by-step explanation:

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