2 years ago

Does anyone know keeper of the lost cities?? DO NOT ANSWER IF YOU DON'T KNOW IT

Mathematics

2 answers:

zvonat [6]2 years ago

4 0

Answer:

yes

Step-by-step explanationonly

only read first book though

dimaraw [331]2 years ago

4 0

The keeper of the lost cites is Shannon Messenger

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Question 3 Unsaved

bazaltina [42]

Answer:

Step-by-step explanation:

DE given is

y''+8y'+15y=0, y(0)=0, y'(0)=1

Take Laplace on the DE

We get

$s^2 Y(s) -sY(0) -y'(0)+8(sY(s)-y(0))+15Y(s) =0\\s^2 Y(s) -s(0) -1+8(sY(s)-0)+15Y(s) =0\\Y(s)(s^2+8s+15)-1=0\\Y(s) = \frac{1}{s^2+8s+15}$

Simplify to get

Y(s) = $\frac{1}{2}[ {\frac{1}{s+3} -\frac{1}{s+5} }]$

Take inverse

$y(t) = \frac{e^{-3t} -e^{-5t}}{2}$

8 0

3 years ago

Sara's savings account balance changed by -$34 one week and by -$67 the next week .Which amount represents the greater change?

fomenos

The greater change is represented by the absolute magnitude

|-34| = 34
|-67| = 67

67 > 34

-67 represents the greater change

4 0

3 years ago

Read 2 more answers

The scale on a hiking map is 2 inches = 54 yards. The distance on the map between Bluebird Waterfalls and Pine Peak is 9 inches.

mel-nik [20]

The actual distance between bluebird waterfalls and pine peak is 243 yards.

5 0

3 years ago

Which expression has a value of 7/12 A. 6/8+1/4 B. 1/3+1/4 C. 7/8+4 D. 2 1/12+5 1/12

denis-greek [22]

Answer:

Step-by-step explanation:

cuz

7 0

3 years ago

Read 2 more answers

Scientists need to know how gravity acts on space shuttles so they can put the space shuttle in orbit. They use an equation that

patriot [66]

The equation is a scientific law, Newton's Law of Gravity,

$F =\dfrac{GMm}{r^2}$

This is a pretty bad question. Newton's Law of Gravity is a mathematical model of gravitation, originally a theory, verified by observation, and now superseded by the General Theory of Relativity.

C is probably the best answer to this poor question.

6 0

3 years ago