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2 years ago

What is the difference in length between the girls with the shortest and longest hair

Mathematics

1 answer:

Evgen [1.6K]2 years ago

6 0

Answer:

I think the difference is girls with longer hair look more attractive.

Step-by-step explanation:

Need the diagram....

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For the differential equation dy/dt=ky, k is a constant, y(0)=24, and y(1)=18. What is the value of k?

Gre4nikov [31]

The equation is separable, so solving it is trivial:

$\dfrac{\mathrm dy}{\mathrm dt}=ky\implies\dfrac{\mathrm dy}y=k\,\mathrm dt$

Integrating both sides gives

$\ln|y|=kt+C\implies y=e^{kt+C}=Ce^{kt}$

Given $y(0)=24$ and $y(1)=18$ , we find

$24=C$

$18=Ce^k=24e^k\implies e^k=\dfrac34\implies k=ln\dfrac34$

so the answer is E.

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3 years ago

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What elements are found in the universal set but not in sets an or b?

GaryK [48]

Answer:

Complement of a Set If U is a universal set and A is a subset of U, then the set of all elements in U that are not in A is called the complement of A and is denoted Ac.

Step-by-step explanation:

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2 years ago

The running shoes Gina bought at a 20%-off sale were originally priced at $70. Before tax was added, how much money did Gina sav

il63 [147K]

gina saved $14

convert your percentage into a decimal: 20% converts to 0.20

then, just multiply 0.20 with 70. you should get 14.

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3 years ago

If C = 1+ p2 + 3p and B = 2p + 6p, find an expression that equals 2C – – B in

drek231 [11]

Answer:

2p² + 14p + 2

Step-by-step explanation:

Given that;

C= 1+p²+3p

B=2p+6p

The expression that equals to : 2C - -B will be;

2{1+p²+3p} - {-2p-6p}

2+2p²+6p + 2p + 6p

2p² + 6p +2p +6p +2

2p² + 14p + 2

4 0

3 years ago

A triangle is 10 ft tall and 18 ft wide what is the area of the triangle

erica [24]

The answer is 90 feet

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3 years ago

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