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dmitriy555 [2]
2 years ago
8

Question 3 of 10

Mathematics
1 answer:
victus00 [196]2 years ago
7 0

Answer:

2x^3-8x+5x^2-20

2x(x^2-4)+5(x^2-4)

(2x+5)(x^2-4)

(2x+5)(x+2)(x-2)

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At the moment a hot cake is put in a cooler, the difference between the cake's and the cooler's temperature is 50° Celsius. This
dybincka [34]

Answer:

D(t)=50(0.8)^t

Step-by-step explanation:

We are given that

Initially the difference between the cake's and the cooler's temperature ,a=50 degree Celsius

r=\frac{1}{5}/min

We have to find the function that gives the temperature difference in degrees Celsius D(t).

We know that

D(t)=a(1-r)^t

Substitute the values

D(t)=50(1-\frac{1}{5})^t=50(1-0.2)^t

D(t)=50(0.8)^t

This is required function that gives the temperature difference in degrees Celsius.

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4 years ago
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An equation was used to predict possible weights of puppies at 6 months of age. The actual weights of the puppies are also liste
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The sum of the residuals is 26 hope that helps
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2 years ago
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Tap A fills 10/11 of a bottle in a minute. Tap B fills 3 4/5 times as many bottles as Tap A in a minute. Find the number of bott
Lunna [17]

Answer:

Tap B fills 4/5 in a minute.

Step-by-step explanation:

3 4/5-10/11

14/5-10/11=4/5

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If area of a circle is 49/64 pie cm square,then find the circumference of the circle?​
tresset_1 [31]

Answer:

7/4 * pi

Step-by-step explanation:

Area of circle = pi * r^2

Find radius:

pi * 49/64 = pi * r^2

49/64 = r^2

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Circumference of circle = 2pi * r

2 * pi * (7/8) = 7/4 * pi

Assuming that the answer is in terms of pi as the question is in terms of pi

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Answer:

8

Step-by-step explanation:

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