3 years ago

Which expression is equivalent to -36 – 8?

Mathematics

2 answers:

Vaselesa [24]3 years ago

7 0

Answer:

-36 + (-8)

Step-by-step explanation:

When you add a negative, it becomes subtraction. In this case simply reverse the step and add a negative

alukav5142 [94]3 years ago

6 0

Answer:

-36+(-8)

Step-by-step explanation:

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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

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3 years ago

Please help!!!! Im so bad at math

kakasveta [241]

Answer:

-5.

Step-by-step explanation:

f(n) = 5n + 6

Just plug in -11/5 for n:

f(-11/5) = 5 (-11/5) + 6

= -11 + 6

= -5.

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3 years ago