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Advocard [28]
3 years ago
11

Daisy made bread. The equation B = 4f shows the number of loaves of bread baked based on the amount of flour used, where B is th

e number of loaves of bread made and d is the amount of flour used. Find out the constant of proportionality.
Mathematics
1 answer:
Fynjy0 [20]3 years ago
7 0

Answer:

k=4

Step-by-step explanation:

-The constant of proportionality  is defined as the ratio between two directly proportional variables.

-Given that B=4f

#The constant of proportionality is calculated as:

- the equation can be written in the form y=kx,

where y varies directly with x and k is the constant of variation:

y=kx\\\\k=\frac{y}{x}\\\\\therefore  B=4f\\\\\frac{B}{f}=4

Hence, B varies directly with f with a constant of proportionality k=4

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Answer:

<h2>$175 per week </h2>

Step-by-step explanation:

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we have

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3 years ago
Which of the points is NOT one of the vertices (s,t) of the shaded region of the set of inequalities shown below?
lorasvet [3.4K]

Answer:

Option D

Step-by-step explanation:

Given: set of inequalities

To find: Points which do not satisfy all the inequalities

Solution:

For point (15,0):

15\leq 30-3(0)=30\\15\geq 15-0=15\\15\leq 25-0=25\\15\geq 0\\0\geq 0

So, (15, 0) satisfies all the inequalities

For point (7.5,7.5):

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So, (7.5, 7.5) satisfies all the inequalities

For point (22.5,2.5):

22.5\leq 30-3(2.5)=30-7.5=22.5\\22.5\geq 15-2.5=12.5\\22.5\leq 25-2.5=22.5\\22.5\geq 0\\2.5\geq 0\\

So, (22.5,2.5) satisfies all the inequalities

For point (7.5 ,0):

Put s = 7.5 and t = 0 in s\geq 15-t

7.5\geq 15-0=15 which is false

So, (s,t)\neq (7.5,0)

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