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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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More on Areas. Farmer Jones, and his wife, Dr. Jones, both mathematicians, decide to build a fence in their field to keep the sh
Olin [163]

Answer:

Area covered by the fences will be 16.1 unit²

Step-by-step explanation:

Let the first parabola is represented by the function f(x) = 6x²

and second parabola by g(x) = x² + 9

point of intersection of the graphs will be determined when f(x) = g(x)

6x² = x² + 9

5x² = 9

x² = 1.8

x = ± 1.34

Now we will find the area between these curves drawn on the graph.

Area = \int_{-1.34}^{1.34}[f(x)-g(x)]dx=\int_{-1.34}^{1.34}[6x^{2}-(x^{2}+9)]dx

= \int_{-1.34}^{1.34}(5x^{2}-9)dx

= [\frac{5}{3}x^{3}-9x]_{-1.34}^{1.34}

= [\frac{5}{3}(-1.34)^{3}-9(-1.34)-\frac{5}{3}(1.34)^{3}+9(1.34)]

= [-4.01+12.06-4.01+12.06]

= 16.1 unit²

6 0
3 years ago
Please someone help me<br><br> Only the ODD questions please.
Klio2033 [76]
I hope you can read this, and I hope you understand how I did 7. I probably overworked it, and it was possibly a simpler way to get it.

7 0
3 years ago
Help pls will give brainlist make sure to show work if needed
weqwewe [10]

Answer:

11

Step-by-step explanation:

Just make your dot plot so that the amount of dots corresponding to the number is the amount of times the number shows in the box. :)

4 0
3 years ago
Please answer someone
Korolek [52]

Answer:

answer C

Step-by-step explanation:

hello

set A is 10^x

set B is 1000+50(x-1)

so set A is an exponential function and the values increase at a faster rate than set B

hope this helps

4 0
3 years ago
Please help me I’m begging you please
AysviL [449]
Y=6 because if you multiply 2/3 by 6 you get 12/3 and reducing it, that becomes 4. If you did 4 then the answer would be 8/3 and reducing that is 2 2/3
5 0
3 years ago
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