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defon
3 years ago
15

Mrs.lopez types at a constant rate.the constant of proportionality for the relationship between the number of words she types,w,

and the number of minutes she types,m, is 38. Write an equation o show this relashionship.
Mathematics
1 answer:
GarryVolchara [31]3 years ago
7 0

Answer:

w=38m

Step-by-step explanation: w ∝ m

w = km

w = number of words

m= minutes

k = constant of proportionality = 28

Hence w=38m

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In what time will N400 amount to N512 if the simple interest is calculated at 14% per annum?
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Answer:

64/7 years

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Step-by-step explanation:

Simple Interest  =  \\  \frac{Principal \times Rate \times Time}{100}

Time =  \frac{simple \: interest \times 100}{Principal \times Rate}

Principal = 400 \\ Rate = 14 \\ Time =  \\ simple \: interest = 512

Input the values

Time =  \frac{512 \times 100}{400 \times 14}  \\ Time =  \frac{51200}{5600}  \\

Time =  \frac{64}{7}  \\ Time = 9.142  \:  years \\ best \: answer \:  =  \frac{64}{7} years

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Someone Please help me answer this question.
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Answer:

see explanation

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Note ∠ Q is a right angle = 90°

Sum the angles and equate to 180

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Thus

∠ R = 6b + 11 = 6(5) + 11 = 30 + 11 = 41°

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