3 years ago

If AABC ~ ADEF, which pair of angles are always congruent?

Mathematics

1 answer:

RUDIKE [14]3 years ago

7 0

Answer:

2nd answer choice

Step-by-step explanation:

they are congruent aka equal or in the same spot

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A northbound train and a southbound train meet each other on parallel tracks heading in opposite directions. the northbound trai

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Do the south 64 and then the 21 you never the .43

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3 years ago

Bob stands 12 feet above sea level. Jack dives 12 feet below sea level. What is the difference of the boys distance.

geniusboy [140]

Answer:

The Answer is 24

Step-by-step explanation:

If Jack Is 12 feet above sea level and Jack is 12 feet below we just add both numbers to get the total distance between them

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3 years ago

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What value correctly fills in the blank so that the expressions are equivalent?<br> 18+45 =_x (2+5)

Bingel [31]

The answer would be 9 because 9x2 is 18 and 9x5 is 45.

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4 years ago

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

Simplify (4n^4 - 3n^2 + n)+ (2n^4 -7n^2 + 9n). Express your answer without factoring.

Pie

Answer:

6n^4-10n^2+10n

Step-by-step explanation:

4 n^4+2n^4-3n^2-7n^2+9n+n

6n^4-10n^2+10n

4 0

3 years ago

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