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Dmitry_Shevchenko [17]
3 years ago
8

if it is friday then letica family will have pizza for dinner. if letica family has pizza for dinner, letica will song at the di

nner table. which of the following statements is valid based on deductive reasoning
Mathematics
1 answer:
stiv31 [10]3 years ago
5 0

Answer:

the first statement

Step-by-step explanation:

it's the first one because on the second one the family members name is letica and the family is letica so it cant be both

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2.12123123567

Step-by-step explanation:

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Serena invests $2500 for 3 years and 6 months and earns $328.13. What was the rate of interest? Explain how you solved.
NARA [144]

Answer:

4.38%

Step-by-step explanation:

<em>Assuming simple interest</em>, we start by writing the formula for simple interest.

SI=Prt

Where

SI is the interest amount (328.13)

P is the principal amount (2500)

r is the rate of interest (what we need to find)

t is the time, in years (t = 3)

Since we want rate of interest, we re-arrange the formula to get r in terms of the other variables. Shown below:

SI=Prt\\r=\frac{SI}{Pt}

Now we simply plug-in the information we know and find r:

r=\frac{328.13}{(2500)(3)}\\r=0.0438

To convert into percentage, we multiply by 100:

r = 0.0438 * 100 = 4.38%

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ArbitrLikvidat [17]

Answer:

x > -21/4

Step-by-step explanation:

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