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2 years ago

Hep me hep me pls mabye next week

Mathematics

2 answers:

Ne4ueva [31]2 years ago

5 0

Answer:

6/8

Step-by-step explanation:

i know that its easy

Slav-nsk [51]2 years ago

5 0

Answer:

6/8

Step-by-step explanation:

They both equal 75%

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Find dy/dx. if y = 8u - 6 and u = 3x - 8.

Dmitriy789 [7]

Use the chain rule:

$\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{\mathrm dy}{\mathrm du}\dfrac{\mathrm du}{\mathrm dx}$

We have

$y=8u-6\implies\dfrac{\mathrm dy}{\mathrm du}=8$

$u=3x-8\implies\dfrac{\mathrm du}{\mathrm dx}=3$

so we get

$\dfrac{\mathrm dy}{\mathrm dx}=8\cdot3=\boxed{24}$

Alternatively, you can substitute u in the definition of y and differentiate with respect to x :

$y=8u-6=8(3x-8)=24x-64\implies\dfrac{\mathrm dy}{\mathrm dx}=24$

7 0

3 years ago

Differentiate y = tan²x from first principle

nikdorinn [45]

Answer:

$y'=2sec^2(x)tan(x)$

Step-by-step explanation:

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2 years ago

A walffle cone has a height of 7 inches and a diameter of 3 inches. What is the volume of ice cram that can be contained within

Anna [14]

Answer:

16.49 cubic inches.

Step-by-step explanation:

Given:

A waffle cone has a height of 7 inches and a diameter of 3 inches.

Question asked:

What is the volume of ice cram that can be contained within the cone?

Solution:

First of we will find the radius ;-

Diameter = 3 inches

Radius, r = $\frac{Diameter}{2} =\frac{3}{2} =1.5\ inches$

As we know:

$Volume\ of\ cone=\frac{1}{3} \pi r^{2} h$

$=\frac{1}{3} \times3.14\times1.5\times1.5\times7\\ \\ =\frac{49.455}{3} \\ \\ =16.485$

Thus, volume of ice cream will be 16.49 cubic inches.

8 0

3 years ago

Each of the five school buses can hold 43 pupils.

MAVERICK [17]

43x5= 215
215 pupils
215-200=15
15 seats

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2 years ago

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Write 94% as a fraction in simplest form

lana [24]

9.4/10 is the simplest form

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3 years ago

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