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Digiron [165]
3 years ago
5

5 3/8 + 4 1/4 = ? PLEASE HELP QUICK!

Mathematics
1 answer:
malfutka [58]3 years ago
5 0
To solve this question, we first need to convert both of these values into mixed numbers. 5 \frac{3}{8} becomes \frac{43}{8} and 4 \frac{1}{4} becomes \frac{17}{4}. Now we have to find a LCD. An LCD for 4 and 8 is 8, so now we have to change \frac{17}{4} into something over 8. \frac{17}{4} becomes \frac{34}{8} when you multiply the fraction by the form of 1 \frac{2}{2}. 34 + 43 = 77, so our answer is 77/8 which simplifies to 9 \frac{5}{8}.
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3. Terry wants to buy 3 toys.
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Jerry starts to save at age 35 for a vacation home that he wants to buy for his 50th birthday. He will contribute $300 each mont
lozanna [386]
If Jerry contributes at the beginning of the month and withdraws at the end of the month, the final contribution earns 1 month's interest. The one before that earns 2 months' interest, so has a value of (1+0.017/12) times that of the last payment. In short, the sum is that of a geometric sequence with first term
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We assume Jerry contributes each month for 15 years, so a total of 180 payments. The sum is given by the formula for the sum of a geometric sequence.
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S_{180}=300(1+\frac{0.017}{12})\left( \dfrac{(1+\frac{0.017}{12})^{180}}{(\frac{0.017}{12})} \right) \approx 61547

If Jerry's contributions and withdrawal are at the end of the month, this balance is reduced by 1 month's interest, so is $61,460.

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3 years ago
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andrezito [222]

Answer:

To complete the required $m dollars for her college, she needs $(m - 60,000).

Step-by-step explanation:

Suppose Rebecca needs $m to complete her college education,

because she has a yearly scholarship of $10,000, she would have $10,000 × 4 = $40,000 for the four years she would spend in college.

Together with her savings of $20,000, she has $20,000 + $40,000 = $60,000 in total.

Therefore to complete the required $m dollars for her college, she needs $(m - 60,000).

5 0
3 years ago
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