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Ostrovityanka [42]
4 years ago
13

Which statement best describes the expression 3 + y ÷ 2?

Mathematics
2 answers:
Hatshy [7]4 years ago
4 0
The answer would be (A) The quotient of 2 and the sum of 3 and y

Hope this helps!!!
nordsb [41]4 years ago
3 0
The answer to this problem is A, the quotient of 2 and the sum of 3 and y
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Ross worked 43 hours in a certain week. He was paid $8.50 per hour and time and a half for all hours over 40. Determine his gros
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The answer  B $478.25
6 0
3 years ago
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The temperature of a cup of coffee varies according to Newton's Law of Cooling: dT dt equals negative k times the quantity T min
Maslowich

Answer:

67.3°C

Step-by-step explanation:

A = 25, T(0) = 100, T(1) = 90, find T(4)

dT/dt = -k(T - A)

d(T - A)/dt = -k(T - A)

d(T - A)/(T - A) = -k dt

ln(T - A) = lnC - kt

T(t) -A=Ce^{-kt}\\T(t) = A + Ce^{-kt} = 25 + Ce^{-kt}\\T(0) = 25 + C = 100\\C=75

T(t) = 25 + 75e^{-kt}\\T(1) = 25 + 75e^{-k} = 90\\75e^{-k} = 65\\e^{-k} = \frac{65}{75}, k = ln\frac{75}{65} = 0.1431\\T(t) = 25+75e^{-0.1431t}\\T(4) = 25+75e^{-0.1431\times4} = 67.3

4 0
3 years ago
Miguel places an 18-foot ladder 8 feet from the base of his house and leans it up
insens350 [35]

Answer:

18 ft

Step-by-step explanation:

3 0
3 years ago
3. A package of 23 medicated cough drops costs $3.00. What is the unit cost (unit rate)? O $0.11 per cough drop O $1.30 per coug
Simora [160]

Answer:

$ 0.13

Step-by-step explanation:

4 0
3 years ago
Two math students were asked to write an exponential growth equation that had a starting value of 300 and a growth rate of 2%. P
Gemiola [76]

Answer:

Pierre is right

Step-by-step explanation:

The correct formula for Exponential growth rate is given as:

y = a( 1 + r) ^t

Where

y = Amount after time t

a = Initial amount

r = Growth rate

t = time

From the question

a = 300

r = 2% = 0.02

Hence, our exponential growth rate =

y = 300( 1 + 0.02)^t

y = 300( 1.02)^t

Therefore, Pierre is right

5 0
3 years ago
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